Answers
Answer:
A: Cytoplasm
Explanation:
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Which of these physical structures in animals has a different function than the stem in plants? (2 points)
Group of answer choices
Backbone
Exoskeleton
Skeleton
Fur
Answers
Answer:
FUR
Explanation:
Skeleton: provides support for its body
Backbone: provides support for its body
Exoskeleton: provides support to the stem and body
provides support and gives the body of the crab its shape,
So that leaves( Fur ) is your answer.
Fur is the structures in animals has a different function than the stem in plants. The correct option is D.
What are exoskeleton?In comparison to the internal skeleton of a human, an exoskeleton is an external skeleton that endorses and safeguards the body of an animal.
Some of the larger exoskeletons are referred to as "shells" in popular parlance.
The exoskeleton is made up of two layers: a thin outer nutrient layer called the epicuticle and a tough outer inner chitin-protein layer called the procuticle.
The epicuticle of most terrestrial arthropods, such as insects and spiders, contains waxes that aid in reducing evaporative water loss.
Hair and fur are molecularly indistinguishable because they are made of the same keratin.
Thus, the correct option is D.
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to keep a consistent measurement process, we observe sport skills from three planes using an anatomical reference position. what does this position look like?
Answers
We observe sport skills from three planes using an anatomical reference position. Standing tall, All bodily components should be facing forward, palms facing forward
A coronal or frontal plane is perpendicular to the ground and separates the body into dorsal (back) and ventral (front) halves. The body is divided into cranial (head) and caudal (tail) sections by a transverse plane, also known as an axial plane or cross-section.
Running, lifting weights, kicking or throwing a ball, for example, all involve the usage of levers. When we run, we are the thing being moved; yet, when we kick a ball, the object being moved is the ball.
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Rocks form in horizontal layers. However, as shown along mountainsides, rock layers can become twisted or bent. The work of James Hutton and Charles Lyell helped to explain observations of twisted or bent rock layers. What was one of their conclusions? A. Earth is extremely old, and Earth processes acted gradually to twist or bend rocks. B. Earth is only a few thousand years old, and Earth formed with many twisted or bent rocks. C. Earth is only a few thousand years old, and Earth processes acted much more rapidly in its early history. D. Earth is extremely old, and Earth formed with many twisted or bent rocks.
Answers
Answer:
A. Earth is extremely old, and Earth processes acted gradually to twist or bend rocks.
Explanation:
The land is a system that lives in constant movement, in addition to being subjected to several factors that can modify its structure and composition. The earth is a very old planet and has been subject to these factors since its creation. In addition, more factors appear with the passage of time, creating several terrestrial processes that have the ability to gradually modify the earth even geologically, being able to twist and bend the rocks.
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Part A: A dichotomous key works on the principle of asking yes-or-no questions about the organism. To identify it, the answers for that organism are then compared to existing organisms to identify it. Prepare a list of four to five questions about each of the organisms listed below to help you create your own key. For each question, make sure the answer isn’t the same for all four organisms. For example, Does the organism have cells? would be an inappropriate question, because all the organisms have cells.
Part B: Information about the four organisms can be found on the Internet. Use credible websites to find answers to the questions you developed in part A. Based on this data, draw your own dichotomous key.
Shapes
Answers
Answer:
subject
Biology, 21.10.2020 16:01 jazz589729
Information about the four organisms can be found on the Internet. Use credible websites to find answers to the questions you developed in part A. Based on this data, draw your own dichotomous key. Based on the key you created, do you think some of the organisms are more closely related than others? Explain your answer.
Part 1 was this:A dichotomous key works on the principle of asking yes-or-no questions about the organism. To identify it, the answers for that organism are then compared to existing organisms to identify it. Prepare a list of four to five questions about each of the organisms listed below to help you create your own key. For each question, make sure the answer isn’t the same for all four organisms. For example, Does the organism have cells? would be an inappropriate question, because all the organisms have cells.
brewer’s yeast (Saccharomyces cerevisiae)
E. coli bacteria (Escherichia coli)
green hydra (Hydra viridissima)
house cat (Felis catus)
Here were my answers:Brewer’s yeast
Is it a unicellular organism? Yes
Is it found inside the human body? Yes
Is it visible without a microscope? Yes
Can it produce its own food? No
E. coli bacteria
Is it a unicellular organism? Yes
Is it found inside the human body? Yes
Is it visible without a microscope? No
Can it produce its own food? No
Green hydra (Hydra viridissima)
Is it a unicellular organism? No
Is it found inside the human body? No
Is it visible without a microscope? Yes
Can it produce its own food? Yes
House cat (Felis catus)
Is it a unicellular organism? No
Is it found inside the human body? No
Is it visible without a microscope? Yes
Can it produce its own food? No
Explanation:
All of the following are formal taxonomic categories except:_____.
a. kingdom
b. family
c. population
d. order
Answers
How is the adaptation of the himalayan balsam plant and the suriname toad similar
Answers
Adaptations are the special features that living things have which help them to survive in their environment. Both Himalayan balsam plant and Suriname toad share the following adaptations related to root , leaf, reproduction etc.
1) Root system: Both plants have shallow roots that allow them to absorb nutrients quickly. Additionally, both plants have the ability to grow new roots when damaged.
2) Leaf shape: Himalayan balsam plants and Suriname toads both have broad and flat leaves. This feature enables the plants and toads to absorb sunlight efficiently.
3) Reproduction: Both Himalayan balsam plant and Suriname toad are prolific reproducers. The Himalayan balsam plant can produce up to 800 seeds per plant per season, while the Suriname toad lays up to 100 eggs at once.
Himalayan balsam plant is an invasive species native to the Himalayan region. This plant has adapted to grow in moist areas such as riverbanks. The plant can grow up to two meters in height, and it has a hollow stem and pink flowers. The plant has explosive seed pods that help to spread its seeds. The plant's rapid growth and aggressive reproduction make it difficult to control. Suriname toad is a species of toad native to South America. It has adapted to live in freshwater habitats such as swamps and ponds. The toad has a flattened body shape, which allows it to hide in shallow water. The toad's skin has a wart-like texture that makes it difficult to see. The toad also has a unique reproductive method. The female toad carries its eggs on its back until they hatch, and the young emerge from the mother's skin.
In conclusion, both Himalayan balsam plant and Suriname toad share some similarities in adaptations. They both have a shallow root system, broad and flat leaves, and are prolific reproducers. However, they have different habitats and unique features that allow them to thrive in their respective environments.
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what is the advantage of using multiple restriction enzymes to cut the dna during dna fingerprinting?
Answers
The major advantage of using multiple restriction enzymes to cut the DNA during DNA fingerprinting is that it allows us to have multiple sets of data which can allow us to have a better analysis.
DNA fingerprinting which is also known DNA profiling, genetic fingerprinting, DNA typing is basically a genetic method of isolating as well as identifying variable elements which occur within the base-pair sequence of DNA. It is based on certain sequences of highly variable DNA which are known as minisatellites and are repeated within genes.
This process involves the use of restriction enzymes which perform the function of cutting the DNA at specific sites. Using multiple restriction enzymes gives us the advantage as we obtain multiple sets of DNA sequences which can allow a more thorough analysis.
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Which of the following demonstrates an organ providing a force?
1.The eye transmits information to the brain.
2.The heart contracts and expands to move blood.
3.The kidney filters waste from blood.
4.The skin protects other organs from damage.
Answers
Answer:
I would say the answer would be: 2. The heart contracts and expands to move blood.
Explanation:
The heart is forcing itself to contract and expand so it can move blood throughout the body. If I am wrong, let me know, but I believe that this is correct since it's a function of force.
2 or more cells can be connected in a battery ( true or false )
Answers
Answer:
Cells connect together to form a battery
Explanation
______ 1. What law protects plant and animal species in danger of extinction? the U.S. Fish and Wildlife Service c. the species recovery plan the Endangered Species Act d. the captive breeding plan
Answers
the answer is c
hope that this helps
Answer:
the U.S. Fish and Wildlife Service
Explanation:
it assists with efforts to recover endangered species, conserve migratory birds, preserve wildlife habitat, safeguard fisheries, combat invasive species and promote international wildlife conservation.
Earth's atmosphere is important to living things because?
Answers
Hope this helps!
Apex - what does it mean to make a prediction: A. To support a hypothesis. B. To examine or interpret observations. C. To answer a scientific question. D. To describe what will happen if a hypothesis is true.
Answers
When you make a prediction, you are describing what you think would happen if your hypothesis is true. The answer is D.
A woman who is heterozygous for the x-linked, recessive hemophilia allele mates with a man who does not have hemophilia. which of the possible offspring will have hemophilia?
Answers
If a mother is heterozygous (a carrier) for hemophilia and the father does not have hemophilia, each son has a 1 in 2 (50%) chance of getting his mother's hemophilia allele and having hemophilia. Each daughter has 1 in 2 (50%) chance of getting her mother's hemophilia allele and being heterozygous.
If one female is heterozygous for the hemophilia trait and is considered a carrier. One male receives a damaged X-chromosome and inherits the condition known as hemophilia. If a man does not have hemophilia, he will have a non-hemophilia allele on his X chromosome which in this case would be "H". The mans genotype would be "XHY". Man with hemophilia will have XhY genotype since it is an recessive disorder .
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A cell is short of water. Outline how osmosis will help the cell to gain water.
Answers
Answer:
When a cell is under a body region with more water than ions (solution), the water molecules move from that body region to the cell cytoplasm through the cell membrane. This makes a cell highly concentrated in water than ions.
Explanation:
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In such case, the water molecules move from outside to inside of the cell through cell membrane (semi-permeable membrane). This process is called as endosmosis by which cell gain water.
High turgor pressure in animal cells will cause them to burst, but plant cells will not burst under high pressure. Why not?
Answers
Because Plant cells has Plasma, that is why the plant cells will not burst under high pressure, but animal cells.
Why do rivers deposit sediment at deltas where they flow into larger bodies of water, such as oceans?
O As the water warms up, it cannot hold sediment in suspension anymore.
O By the time the river reaches the delta, it cannot carry any more sediment.
O The water slows down, causing sediment to fall out of suspension.
Waves from oceans push sediment back into the delta.
D
8
Answers
Rivers deposit sediment at deltas where they flow into larger bodies of water, such as oceans because The water slows down, causing sediment to fall out of suspension.
What is sediment ?Sedimentary rocks often begin as sediments that are carried by rivers and deposited in lakes and oceans. Upon burial, the sediment loses moisture and is cemented into rock. Sediment is naturally occurring material that breaks down through weathering and erosion and is carried by the action of wind, water, ice, or gravity acting on particles. Rocks larger than small particles of clay are called sediments and are moved by water.Fast-moving water can pick up, suspend, and displace larger particles than slow-moving water. Erosion and weathering turn rocks and even mountains into sediments such as sand and mud. During this process, the slightly acidic water slowly wears away the stone. These three processes create new sedimentary rock sources.To learn more about sediment from the given link :
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Based on this evidence, which two species are likely to share the most recent common ancestor and thus be most closely related, and what evidence supports this conclusion? Circle the letter of the correct answer.
A. Species C and D are most closely related because they have similar anatomies, and their eggshell genes are the most similar.
B. Species D and E are most closely related because they have similar anatomies and the most differences in their eggshell genes
C. Species B and E are most closely related because they have similar eyes and bills, which suggests that they have similar diets.
D. Species A and B are most closely related because they have similar crests and bills, and their eggshell genes are the most similar.
Answers
Species D and E are most closely related because they have similar anatomies and the most differences in their eggshell genes
How do you know organisms that have a recent common ancestor?Organisms that have a recent common ancestor share many similarities in their genetic material, physical characteristics, and evolutionary history. These shared traits can be used to identify and classify organisms into related groups, based on their degree of similarity.
Similar physical characteristics between organisms can indicate a common ancestry. For example, similar bone structures or skeletal features can suggest that organisms have a shared evolutionary history.
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After a substrate binds to an enzyme,
Answers
Answer: The induced fit model states an substrate binds to an active site and both change shape slightly, creating an ideal fit for catalysis. When an enzyme binds its substrate it forms an enzyme-substrate complex. ... The enzyme will always return to its original state at the completion of the reaction.
Fifty-five-year-old Hansen wants to have a child with his new bride. You express your concerns and explain to your friend that biological fathers who are 45 years or older have increased rates of offspring born with __________. Group of answer choices
Answers
Answer:
disability
Explanation:
The answer is disability
Describe the functioning of Golgi apparatus in animal cells.
Explain the role of lysosomes in animal cells.
Answers
You are dispatched to a residence for a 56-year-old male with an altered mental status. Upon arrival at the scene, the patient's wife tells you that he complained of chest pain the day before, but would not allow her to call EMS. The patient is semiconscious; has rapid, shallow respirations; and has a thready pulse. You should:
Answers
Based on the patient's presentation, it is essential to act quickly and efficiently to assess and treat the potential life-threatening condition.
Based on the patient's presentation, it is essential to act quickly and efficiently to assess and treat the potential life-threatening condition. The altered mental status indicates a significant neurological impairment, which could be due to various causes, including hypoxia, metabolic disturbances, or cerebrovascular accidents. The patient's previous complaint of chest pain and current respiratory distress may suggest a cardiac or respiratory emergency, such as a heart attack or pulmonary embolism, which require immediate medical attention.
To manage the patient effectively, the first step would be to assess the airway, breathing, and circulation. The patient's rapid, shallow respirations and thready pulse suggest inadequate oxygenation and perfusion, respectively, which require prompt intervention. Therefore, providing supplemental oxygen via a non-rebreather mask or bag-valve mask can help improve oxygen delivery and prevent further deterioration.
Simultaneously, initiating intravenous access and administering fluids and medications, such as aspirin or nitroglycerin, can help manage the underlying cardiac condition and alleviate symptoms. It is also crucial to perform a thorough physical examination, obtain vital signs, and obtain a medical history from the patient or family to identify potential causes of the altered mental status.
Finally, promptly transporting the patient to the nearest appropriate facility, such as a hospital with cardiac or neurological services, can provide definitive treatment and improve outcomes. In conclusion, managing a patient with an altered mental status and respiratory distress requires rapid assessment, intervention, and transport to a medical facility capable of providing advanced care.
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_________ refers to a pea plant that is either homozygous dominant or homozygous recessive for a particular trait.
Answers
Answer:
A purebred.
Explanation:
A purebred is an animal or plant that carries two identical alleles for a particular gene or trait. This means that if the pea plant is homozygous dominant (has two of the same dominant alleles), or homozygous recessive (has two of the same recessive alleles), it is considered a purebred. A purebred always expresses only one form of the trait.
Bears expend about 25×106 J/day25×106 J/day during periods of hibernation, which may last as long as 77 months. They obtain the energy required to sustain life from fatty acid oxidation. How much weight (in kilograms) do bears lose after 77 months of hibernation? (Assume the oxidation of fat yields 38 kJ/g.38 kJ/g.)
How could a bear's body minimize ketosis during hibernation?
A. Increasing insulin secretion could reduce fatty acid oxidation by allowing for more efficient use of glucose.
B. Upregulation of citric acid cycle enzymes could reduce the shunting of acetyl‑CoA into ketone body formation.
C. Using acetyl‑CoA to fuel gluconeogenesis could reduce the amount of acetyl‑CoA available for ketone body formation.
D. Degradation of nonessential body proteins could supply amino acid skeletons for gluconeogenesis.
Answers
A bear's body could minimize ketosis during hibernation that expend about 25 × 10⁶ J/day, which may last as long as 77 months is upregulation of citric acid cycle enzymes could reduce the shunting of acetyl‑CoA into ketone body formation (Option B).
Using the given information, we can calculate the total energy expended by a bear during 77 months of hibernation as follows:
Total energy expended = 25×10⁶ J/day x 30 days/month x 77 months
= 57.75×10¹⁰ J
We can then use the energy yield of fatty acid oxidation to calculate the total amount of fat oxidized by the bear during this period:
Fat oxidized = Total energy expended / Energy yield of fat oxidation
= 57.75×10¹⁰ J / 38 kJ/g
= 1.52×10⁹ g
Finally, we can convert this to kilograms by dividing by 1000:
Weight lost = Fat oxidized / 1000
= 1.52×106 kg
Therefore, the bear would lose approximately 1.52 million kilograms of weight during 77 months of hibernation.
To minimize ketosis during hibernation, option B is the most likely answer. Upregulation of citric acid cycle enzymes would increase the utilization of acetyl‑CoA for energy production, reducing the availability of acetyl‑CoA for ketone body formation.
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Compare asexual and sexual reproduction. Place each statement into the correct box.
Answers
Answer:
Explanation:
asexual doesn't require a mate or another thing to reproduce. sexual requires another thing to reproduce like a male and female
Answer:
During asexual reproduction, the organism that is reproducing spits in two.
A sea anemone reproduces asexually.
During sexual reproduction, there are two organisms(male and female) that are part of the reproductive process.
Humans reproduce sexually.
Explanation:
from where can collaterals emerge on a myelinated nerve?
Answers
Collaterals on myelinated nerves can emerge from nodes of Ranvier, which are gaps in the myelin sheath that separate adjacent Schwann cells. These nodes are critical for the propagation of nerve impulses along the axon.
Collaterals are small side branches that arise from the main axon and allow for communication with other neurons or muscle fibers. Collaterals can arise from the nodes of Ranvier due to the unique structure of myelinated nerves. The myelin sheath acts as an insulating layer, enabling saltatory conduction, where the nerve impulse jumps from one node of Ranvier to the next, significantly increasing the conduction velocity.
At each node, the axon membrane is exposed, facilitating the formation of collateral branches. These collaterals can extend from the main axon, providing connections to nearby neurons or muscle fibers. This branching allows for the simultaneous transmission of nerve impulses to multiple targets, enabling efficient communication and coordination within the nervous system.
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Which of the following statements about the use of antibiotics is NOT true?
Bacteria become resistant to the antibiotics.
O
In the past, they were often prescribed for viral infections which increased the chance
of resistance in the patient.
O Can lead to harmful effects such as becoming addicted to antibiotic treatments.
Antibiotics used in farm animals can travel up the chain increasing the chance of
resistance in consumers.
Answers
the second option I m not to sure
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You have learned that a system is an organized group of objects working together to perform a common function. For example, your heart and blood vessels work together to circulate blood through your body. These organs are part of the cardiovascular system. The world is full of different types of systems.
OBJECTIVES
Research and write a 250 word report about a system.
Directions
Research one of the body systems listed below.
Digestive system
Respiratory system
Muscular and skeletal systems
Nervous system
Endocrine system
Reproductive system
Excretory system
Immune and lymph systems
Cardiovascular system
In your report, include the inputs, outputs, function, and parts of the system, and how they may interact with another system. Also include factors that can cause system failure, and illnesses or diseases that can affect the system (but maybe not cause complete failure). Your report should be at list 5 paragraphs, and include diagrams, graphs, or images.
Answers
Answer:
The cardiovascular system is the system of organs, tissues, and vessels that work in concert to transport blood and other vital materials throughout the body. It includes the heart, which pumps oxygenated and deoxygenated blood to the body’s tissues, as well as the blood vessels that transport the blood. The cardiovascular system is responsible for providing the body with the oxygen, nutrients, and hormones it needs to survive.
Inputs of the cardiovascular system include oxygen, nutrients, and hormones that are absorbed into the body from the air and food. Outputs of the system include carbon dioxide, waste materials, and excess hormones that are expelled from the body through the lungs, skin, and kidneys.
The primary function of the cardiovascular system is to transport oxygen, nutrients, and hormones to the body’s tissues and organs, and to remove waste materials from the body. The system works to maintain homeostasis, or balance, in the body. The system also plays a role in the body’s response to stress and in the regulation of body temperature.
The main parts of the cardiovascular system are the heart, the blood vessels, and the blood. The heart is a muscular organ that pumps oxygenated and deoxygenated blood throughout the body. The blood vessels are a series of tubes that transport the blood throughout the body. The blood consists of red and white cells, platelets, and plasma that help to transport oxygen, nutrients, and hormones.
The cardiovascular system interacts with many other systems in the body, including the respiratory, endocrine, and immune systems. The respiratory system supplies oxygen to the blood, which is then transported to the body’s cells by the cardiovascular system. The endocrine system produces hormones that regulate the cardiovascular system’s activity. Finally, the immune system helps to protect the cardiovascular system from disease and infection.
Factors that can cause cardiovascular system failure include poor diet, smoking, lack of exercise, and heart disease. Diseases that can affect the cardiovascular system include coronary artery disease, congestive heart failure, and hypertension.
Explanation:
______ refers to our genetic or hereditary origins, whereas ______ is the result of our life experiences and interaction with our environment.
Answers
Answer:
Nature; Nurture
Nature refers to our genetic or hereditary origins, whereas nurture is the result of our life experiences and interaction with our environment.
Explanation:
Hope it helps! =D
Genetics refers to our genetic or hereditary origins, whereas epigenetics is the result of our life experiences and interaction with our environment.
Genetics refers to the stof the genes and heredity. It deals with the information that is passed down from generation to generation through our DNA. This information determines our physical and behavioral traits, such as eye color, height, and risk of certain diseases. On the other hand, epigenetics refers to the study of changes in gene expression or cellular phenotype that do not involve alterations to the underlying DNA sequence. These changes can be caused by environmental factors, such as diet, stress, or exposure to toxins, and can affect an individual's health, development, and behavior. In conclusion, genetics is responsible for our genetic makeup, while epigenetics is the result of environmental factors that can alter gene expression
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Compare how the human body breathes in and out. Describe what happens to the ribcage, the diaphragm and chest volume. (6 marks) In this question you get marks for how well your answer is written. You will get marks for: spelling grammar organising your ideas and information clearly using key scientific words.
Will give brainiest for best organised detailed answer. :)
Answers
•When we breathe out our rib cage swing inwards and downwards, diaphragm relaxes and arches up, lungs become smaller and air is drawn out. The thorax size also decreases.
• During inhaling the concentration of oxygen is more
• During exhaling the concentration of carbon dioxide is more.
The model repreent the change in the DNA content of a cell during the cell cycle, which part of the model repreent the S phae
Answers
The model represent the change in the DNA content of a cell during the cell cycle. The part of the model represents the S phase is phase II
What is cell cycle?
The cell cycle, also known as cell-division cycle, is described as the series of events that take place in a cell that cause it to divide into two daughter cells.
Before cell division and during the interphase, the cell DNA replicates. This event only occurs in the S phase, together with histones and other proteins synthesis.
In the attached image, we will notice a graph showing the DNA content during the cell cycle, which is, how much DNA there is in the cell as the cycle goes on.
X axe ⇒ Phases ⇒ I, II, III phases
Y axe ⇒ Complete sets of DNA in the nucleus ⇒ 1 and 2 sets
The exponential growth occurs during the second phase, II. We can then see how DNA content enhances from one single set to two sets of DNA.
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