Answers
Answer:
Explanation:
positive feedback- "Some examples of positive feedback are contractions in child birth and the ripening of fruit; negative feedback examples include the regulation of blood glucose levels and osmoregulation."
negative feedback-"Blood sugar regulation (insulin lowers blood glucose when levels are high ; glucagon raises blood glucose when levels are low)"
Related Questions
Which specific subdivision of the nervous system calms the body after strenuous physical activity?
O A. autonomic nervous system
O B. somatic nervous system
OC. parasympathetic nervous system
CO D. sympathetic nervous system
Answers
Answer:
C. Parasympathetic nervous system.
Explanation:
The parasympathetic nervous system calms the body after strenuous physical activity.
Hope this helps!
Hubble's expansion law states _____.
Answers
Answer:
objects observed in extra-galactic space (deep space) are shifting away or receding away from earth
9. Javier is a navigator for the navy His ship has just lost all power in the middle of the ocean, including access to your GPS. Which astronomical tool would be MOST helpful in this situation?
Answers
If we start with 250mL of snow, how many mL of water will we have once it has
completely changed state?
Answers
Answer:
250ml
Explanation:
the mass of an object does not change even if the state of matter changes. but obivously if gas changes to a solid or liquid it would be heavier.
Which of the following are reasons that demonstrate the importance of forests on Earth? (Choose all that apply.)
a. The roots of the trees in forests reduce soil erosion.
b. Trees absorb oxygen and release carbon dioxide into the atmosphere.
c. Forests are a source of a great amount of biodiversity.
d. The trees in forests play an important role in the hydrologic cycle.
Answers
Answer:
a. The roots of the trees in forests reduce soil erosion.
c. Forests are a source of a great amount of biodiversity.
d. The trees in forests play an important role in the hydrologic cycle.
Explanation:
Took the test
The importance of the forest is that roots of the trees in forests reduce soil erosion, forests are a source of a great amount of biodiversity, and also trees in forests play an important role in the hydrologic cycle. Thus, the correct options are a, c, and d.
What is hydrologic cycle?The hydrologic cycle is the ongoing movement of water in the Earth-Atmosphere system. The water cycle is outlined as the movement of groundwater to the atmosphere and back again.
Since the vertical growing floor and resulting canopy shade create micro-niches by altering locally available light, heat, and moisture, forests have a high biodiversity.
The forest is important because the roots of trees in forests reduce soil erosion, forests provide a large amount of biodiversity, and trees in forests play an important role in the hydrologic cycle.
Thus, the correct options are a, c, and d.
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Early one morning a large number of fish were found dead along the banks of a Florida river.
Several scientists proposed hypotheses for the deaths. Which of the following would be most
appropriate for the scientists to do to determine the cause of the fish kill?
Answers
Answer:
sho fronk dil'oge compre siced
Explanation:
Answer: Conduct water quality tests to determine if there are any pollutants or toxins present in the river water.
How does the temperature of water change if you heat it after it has alread
reached the boiling point?
Answers
The temperature of water does not change.
This is because when water is heated to its boiling point of 100 degrees Celsius, it usually takes more energy to turn a liquid into a gas, so the extra heat helps with that conversion. The temperature of water, even if it reaches its boiling point, does not change until all the water evaporates into the atmosphere. Depending on the type of container, the temperature will rise when the water runs out.
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When Mercedes encountered an unknown virus, it sent her immune system into
overdrive. Diagnostic tests showed that her body had mounted a massive attack of
T-cells against the invading virus, and within a few days, the illness resolved itself
with bed rest. Which type of immunity is this an example of?
Answers
Answer:
Cell-mediated immunity of the adaptive immune system.
Explanation:
The adaptive immune system has two categories. Humoral and cell-mediated. Humoral refers to the formation of antibodies by B-cells. Cell-mediated is the immunity conferred by T-cells.
What are membranes like the cell membrane allows some molecules to pass through a call
Answers
Membranes, like the cell membrane, are essential parts of cells because they serve as a barrier to control how chemicals enter and exit the cell.
Membranes are essential components of cells. They form a barrier between the interior of the cell and the outside environment and regulate the passage of molecules in and out of the cell. The cell membrane is a type of membrane that allows some molecules to pass through a cell. It is a selectively permeable membrane that allows only certain substances to pass through. The structure of the cell membrane is composed of a lipid bilayer, which consists of two layers of phospholipids. These phospholipids have a hydrophilic head and a hydrophobic tail. The hydrophilic head is attracted to water and the hydrophobic tail repels water. This arrangement allows the cell membrane to form a barrier that separates the inside of the cell from the outside environment. The cell membrane also contains proteins and other molecules that allow it to regulate the passage of molecules in and out of the cell. In summary, membranes such as the cell membrane are critical components of cells and act as a barrier to regulate the passage of molecules in and out of the cell.For more questions on Membranes
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HELPPP ANATOMY !!!
science doesn’t always have the answers. Instead, ___ and ___ often help eliminate incorrect explanations as we continue to work on understanding the complexity of the human body and its functions
it doesnt give me a word bank and i dont know what to put.
Answers
The words that best complete the sentence are "experimentation and observation"
How does science use observation and experimentation?Science relies on the scientific method, which involves making observations, formulating hypotheses, and conducting experiments to test these hypotheses.
Through experimentation and observation, scientists can gather evidence to support or reject hypotheses, helping to eliminate incorrect explanations and move closer to a better understanding of the complexity of the human body and its functions.
However, science is a dynamic and ongoing process, and new evidence can always emerge, leading to a further refinement or revision of existing explanations.
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Which body system has a function most similar to the role lysosome plays for a cell
Answers
Answer:
the excretory system
Question 3 (5 points)
Tommy comes home from a long day at school and opens his laptop to unwind. He
looks at his best friend Jack's social media profile and sees both negative and
positive pieces of Jack's digital reputation. From Jack's profile, which post is an
example of Jack's positive digital reputation?
A picture of Jack that shows him pouring alcohol for a friend
O A comment that says, "Congratulations, Bill, on getting the award. You deserve
it!"
A comment about last night's game that includes inappropriate language
A music video for a recent rap song with inappropriate words and images
Answers
An example of Jack's positive digital reputation from his profile is a comment that says, "Congratulations, Bill, on getting the award. You deserve it!" (option B).
What is digital reputation?Digital reputation is the digital footprint created by all the things you say and do online, as well as what others post about you.
The people and sites one follows, the content one posts, likes or shares, and the comments one makes, all contribute to ones digital reputation.
According to this question, Tommy looks at his best friend, Jack's social media profile and sees both negative and positive pieces of Jack's digital reputation. The positive digital reputation is as mentioned above.
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What type of boundary is this?
Answers
The image represents the continental-continental boundary. When two continental plates collide, that's another kind of convergent plate boundary. The continental lithosphere is very thick and has a low density. The continental lithosphere cannot subduct. So when two mainland plates impact, they simply crush together.
Plate tectonic boundaries come in three varieties: plate boundaries that are transformed, divergent, and convergent. The three primary types of plate boundaries are depicted in this image: transform, convergent and divergent.
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CHAPTER ONE THE CHEMICAL COMPONENTS OF THE CELL Biology Form Three Student Book
1. What is the percentage by mass of oxygen, carbon, hydrogen, nitrogen,
phosphorus and sulfur in the earth and in the human body? What do you
observe?
(MB
2. Which elements have a higher percentage in the nature and in the human
body? State some compounds that contain these elements in their struc-
ture.
3. Many chemical substances enter the structure of the of the cell. In your
opinion, what is the importance of these substances? Why have you select-
ed these substances?
4. There are other elements that exist in a fewer percentage, search these
elements and state the percentage abundance of each in the cells of living
organisms.
Answers
2. The four most abundant elements in the human body – hydrogen, oxygen, carbon and nitrogen – account for more than 99 per cent of the atoms inside you.
What is necessary for social fulfillment in the three pillars of sustainability?
Answers
Social fulfillment in the three pillars of sustainability requires equity, justice, and the satisfaction of human needs.
In the context of sustainability, social fulfillment encompasses ensuring equity, justice, and meeting the basic needs of individuals and communities. The three pillars of sustainability—environmental, economic, and social—are interconnected and rely on each other for long-term success.
Social fulfillment is necessary to achieve a sustainable society. It involves promoting social equity, ensuring fair distribution of resources and opportunities, and addressing social challenges such as poverty, inequality, and discrimination. It also requires safeguarding human rights, providing access to education, healthcare, and social services, and fostering inclusive and participatory decision-making processes.Within the three pillars of sustainability, social fulfillment is crucial because it recognizes that sustainable development cannot be achieved without considering the well-being and quality of life of individuals and communities.It emphasizes the importance of balancing economic growth and environmental protection with social progress to create a more equitable and just society for present and future generations.
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(HELP FAST) A slanting, horizontal line is shown. On the extreme left, there is a label that says Common Ancestor. Along the slanting, horizontal line there are five dots labeled from left to right as: 1, 2, 3, 4, and 5. There is one vertical line between each of the consecutive five dots. The lines are labeled from left to right as Perch, Frog, Pigeon, Rats, and Human. A text box below the branching tree diagram is labeled Derived Shared Characteristics. In the box it says from left to right Terrestrial during all stages, Jaws, Walking on two legs, Mammary glands and hair, and Four limbs.
Look at the possible derived shared characteristics, shown in the text box. Think about where these should be placed along the branching tree diagram. Where in the branching tree would you most likely write "lives on land during all life stages"? Explain your answer.
Answers
"The derived shared characteristic 'Terrestrial during all stages' should be placed at the base of the tree diagram."
SupThe characteristic "Terrestrial during all stages" is a shared characteristic among all five species being compared in the branching tree diagram. This means that it is a characteristic that all of these species have in common, and therefore it is likely that it was present in their common ancestor.
Since the base of the tree represents the common ancestor of the species being compared, it makes sense to place this characteristic at the base of the tree. This also helps to show that this characteristic is a defining trait of the group of species being compared and that it has been present in their lineage since their common ancestor.
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12. Individuals with Type O blood are able to produce both Anti-A and Anti-B antibodies, while individuals with Type AB blood produce neither of these antibodies. Explain why this is the case. How does this relate to the idea that people with Type AB blood are often referred to as universal recipients for transfusions
Answers
Answer: Blood group O individuals are able to produce Anti- A and Anti- B and are often referred to as UNIVERSAL DONORS, while blood group AB individuals produces none and are often referred to as UNIVERSAL RECIPIENTS
Explanation:
Two antigens, type A and type B, occur on the surfaces of the red blood cells in a large proportion of human beings. These antigens are referred to as agglutinogens because they often cause blood cell agglutination during blood transfusion. Because of the way these antigens are inherited, people may have neither of them on their cells , they may have one or they may have both simultaneously.
When type A antigen and type B antigen is not present in an individuals reb blood cell as seen in blood group O, antibodies known as Anti-A and Anti- B develops in the plasma. This is because small amounts of type A and type B antigens enter the body through food, bacteria and other ways and they initiate the development of anti A and Anti- B antibodies in their plasma.
Furthermore, individuals with blood type AB has antigen A and B on their red blood cells and therefore do not develop antibodies A and B in their plasma. This makes them universal recipient as their blood do not discriminate any ABO blood group during blood transfusion.
Proteins in the plasma membrane are often the target of medicines. In paragraph format (at least four sentences), explain why this is the case.
Answers
Argeting proteins in the plasma membrane offers a promising approach for developing new medicines that can be used to treat a wide range of diseases and conditions.
What is Plasma Membrane?
The plasma membrane, also known as the cell membrane, is a thin layer of lipid and protein molecules that surrounds and encloses the cell. It serves as a barrier between the interior of the cell and its external environment, regulating the movement of substances in and out of the cell. The plasma membrane is composed of a phospholipid bilayer, which consists of two layers of phospholipid molecules with their hydrophilic (water-loving) heads facing outward and their hydrophobic (water-fearing) tails facing inward. Embedded within the phospholipid bilayer are various proteins, which perform a variety of functions such as transporting molecules across the membrane, receiving signals from other cells, and providing structural support.
Proteins in the plasma membrane are crucial for many cellular processes, including cell signaling, transport, and recognition. As such, they are often the targets of drugs and medications because they can be used to modulate or disrupt these processes. For example, many cancer drugs target proteins in the plasma membrane that are involved in cell signaling pathways, as this can help to slow down or stop the growth of cancer cells.
Additionally, drugs that target membrane transporters or channels can be used to regulate the flow of ions or molecules in and out of cells, which can be useful for treating diseases such as hypertension or cystic fibrosis.
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Which one of the following would be inhibited by a well-designed antiviral drug? Cell wall synthesis Viral binding to human cells Virus assembly outside of the infected cell Translation of host cell RNAs
Answers
Viral binding to human cells is inhibited by the antiviral drug.
Well-designed antiviral drug inhibited Viral binding to human cells so that the virus can't get the place of attachment and unable to use the cell's machinery for its growth and multiplication. In this way, the humans can be prevented from having the viral infection. There are some other mechanisms also used by the antiviral drug to inhibit the growth of virus in the human body such as uncoating of virus and synthesis of new viral components.
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inquiry based pedagogy is being embraced in principle across the globe. in the last decade , it has been supported by an increasing body of research on its effectiveness. illustrate your understanding of the concept of inquiry based pedagogy with a relevant example
Answers
Inquiry-based pedagogy involves fostering curiosity and active learning. For example, students investigating real-world environmental issues and proposing solutions.
Inquiry-based pedagogy is a teaching approach that promotes active learning and critical thinking through inquiry and exploration. One relevant example of inquiry-based pedagogy is a science classroom where students are encouraged to design and conduct their own experiments. Instead of simply following instructions, students formulate research questions, develop hypotheses, plan and execute experiments, collect and analyze data, and draw conclusions. For instance, students may investigate the effect of different variables on plant growth by manipulating factors like light, water, or soil composition. This approach allows students to engage in authentic scientific practices, develop problem-solving skills, and gain a deeper understanding of the scientific method. By actively participating in their learning process, students develop a sense of ownership and become more engaged, fostering a love for learning and nurturing their ability to explore and discover knowledge independently.For more such questions on Pedagogy:
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Which organism would a shark get the SMALLEST percentage of energy from after eating? A Dolphin B Seagull C Seal D Tuna fish
Answers
HELP WILL GIVE BRANLIEST!Can all animals regenerate? Explain.
Answers
Answer:
Almost all the animals can heal wounds, but only some can regenerate. One hypothesis is that certain regeneration-specific genes are expressed exclusively in regenerative species and evolutionarily lost in nonregenerative species.
Explanation:
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True or False: Genetic technologies have improved our understanding of biology and have aided the advancement
of human medicine.
Answers
Answer:
The answer would be FALSE. This is 100% correct, because I got it right on my lesson.
Explanation:
breakdown of which of the following contributes to the production of blood glucose during the postabsorptive state?
Answers
Gluconeogenesis is a metabolic pathway that synthesizes glucose from non-carbohydrate sources, such as proteins and fats, to maintain a steady level of glucose in the bloodstream.
What is postabsorptive state?While the body is in a postabsorptive condition, it is fasting and unable to access any food sources of energy. To achieve its energy requirements during this period, the body must draw on reserves of glycogen, fat, and protein. Usually, this condition develops 8 to 12 hours after breaking the fast.
The process of gluconeogenesis is primarily responsible for the postabsorptive state's blood glucose synthesis. A metabolic mechanism called gluconeogenesis produces glucose from non-carbohydrate sources including proteins and lipids in order to keep the blood sugar level stable. This procedure results in the creation of glucose, which is then released into the circulation, from molecules including lactate, glycerol, and certain amino acids. This is crucial because it aids in controlling blood sugar levels and keeps them from dropping too low.
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The complete question is: What contributes to the production of blood glucose during the postabsorptive state?
Which best describes dogwood leaves?
They are lobed, simple leaves and are attached staggered on the branch.
They are not heart shaped and are attached staggered on the branch.
They are compound, broad leaves and are attached oppositely on the branch.
They are nonlobed, simple leaves and are attached oppositely on the branch.
Answers
They are nonlobed, simple leaves and are attached oppositely on the branch best describes dogwood leaves.
What is Dogwood?Flowering dogwood is a stunning flowering tree native to our area and one of America's most popular small decorative trees.
People use American dogwood for headaches, fatigue, fever, and ongoing diarrhea. It is also used to increase strength, to stimulate appetite, and as a tonic.
Leaves are opposite, simple, egg-shaped, 3–5 inches long, dark green with slightly wavy edges, and opposite, simple, egg-shaped, 3–5 inches long, dark green, with slightly wavy edges. With thin, squarish plates, the bark is dark gray to brown. Twigs are flexible, slender, reddish-gray to purplish in color, or greenish with red spots in color, hairy, and have terminal flower buds. The leaf buds are round and compressed.
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Write your differences between hormonal and nerous coordination
Answers
The nervous system uses electrical impulses to send messages through neurons while the endocrine glands use hormones to send messages to target cells through the bloodstream.
It works in remote areas. Neurotransmitters are directly apexed to target cells. Hormones take minutes to days to react. Neurotransmitters respond quickly, usually within milliseconds. Neural coordination is the regulation of various organs by the nervous system via electrical impulses.
On the other hand, chemical coordination is the hormone-mediated regulation of various organs by the endocrine system. Hence, this is the key difference between neural and chemical coordination. The endocrine system secretes hormones into the bloodstream from glands throughout the body. Hormones act on specific target organs in the body. compound science. Coordination and control.
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In your words what is the role of the cell membrane in the cell maintaining homeostasis?
Answers
The cell membrane plays a crucial role in maintaining homeostasis by regulating the concentration of ions, nutrients, and waste products inside the cell. For example, the membrane pumps out excess sodium ions and pumps in potassium ions to maintain the proper balance of these ions inside the cell. Similarly, the membrane allows the entry of glucose and other nutrients while preventing the entry of harmful substances.
Overall, the cell membrane acts as a gatekeeper that controls the movement of substances in and out of the cell, which is essential for the cell to function properly and maintain homeostasis.
Answer:
Explanation:
Homeostasis is a phenomenon by which the cell has a capability to maintain or achieve a constant state by keeping all the possible conditions like physical, chemical, etc steady in the internal environment.
The cell membrane has a wide range of role in the cell maintaining homeostasis. ecause of its semi permeable nature it only allows specific ions and molecules to enter the cell. It has a fluid layer which consists of bilayer of phospholipids. The membrane is structured in such a way that helps to keep a balance in the temperature inside the cell to maintain a constant Flux. As it is semipermeable, so it is selectively permeable to small, non-polar solvents.
For this assignment, you will first research energy resources in your area. Next, you will gather
information about the political, economic, and environmental effects of the worldwide distribution and use
of the resources you use in your community. Then, you will develop a long-term sustainability plan for
your community. Finally, you will create a multimedia presentation of your sustainability plan.
Background Information
Many states and localities have a number of renewable and nonrenewable resources. Renewable
resources include those that can be replaced faster than they are used: solar power, wind power, timber,
and oxygen are just a few examples. Nonrenewable resources cannot be easily replaced. They are used
at a faster rate than they are created. These include oil, natural gas, coal, minerals, and precious metals.
Many states, municipalities, and businesses have sustainability plans. These are guidelines to avoid
depletion of natural resources to maintain balance in Earth's biological systems. As Earth's population
increases, humans will need to continually work to minimize their impact on the planet's resources. A
sustainability plan outlines specific actions and goals that will aid in this important work.
On a global scale, countries create their own sustainability plans because the global distribution of
resources have political, economic, and environmental effects. Their sustainable plans help them manage
resources and the effects of using these resources. The global distribution of resources also affects
states and communities. Sustainability plans involve details outlining how political, economic, and
environmental issues will be addressed.
Answers
The sustainability plan for my community involves replacing non-renewable energy sources like cola with renewable energy sources like solar and wind energy.
What is a sustainability plan?A sustainability plan outlines strategies for sustaining the program, activities, and partnerships and serves as a road map for accomplishing long-term objectives.
A community sustainability plan serves as a guide for creating a location where people can live, work, and play that is socially just, economically viable, and environmentally sound.
Programs for recycling and composting, renewable energy initiatives, and the use of community green teams to identify and prioritize sustainability requirements are some examples.
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Myristoyl-CoA is a saturated fatty acid with 14 carbons attached to coenzyme A. How many molecules of ATP would be generated from the complete oxidation of a single molecule of myristoyl-CoA
Answers
Answer:
Total ATP molecules produced = 94 molecules of ATP
Explanation:
Myristoyl-CoA, is a saturated fatty acid with 14 carbons which has been activated for oxidation by attachment to coenzyme A. When it has undergone complete oxidation, it will yield 7 acetyl-CoA molecules and 6 FADH₂ and 6 NADH molecules each.
Each of the 7 acetyl-CoA molecules obtained from its initial oxidation enters into the citric acid cycle and is completely oxidized to yield further ATP and FADH₂ and NADH molecules.
The overall yield of ATP from the various enzymatic steps is shown below:
Acyl-CoA dehydrodenase = 6 FADH₂
β-Hydroxyacyl-CoA dehydrogenase = 6 NADH
Isocitrate dehydrogenase = 7 NADH
α-Ketoglutarate dehydrogenase = 7 NADH
Succinyl-CoA synthase = 7 ATP (from substrate-level phosphorylation)
Succinate dehydrogenase = 7 FADH₂
Malate dehydrogenase = 7 NADH
Note: 1 FADH2 molecule yields 1.5 ATP; 1 NADH molecule yields 2.5 ATP molecules. Therefore,
Total ATP from FADH₂ molecules = 13 * 1.5 = 19.5
Total NADH molecules = 27 * 2.5 = 67.5
Total ATP molecules produced = 19.5 + 67.5 + 7 = 94
Total ATP molecules produced = 94 molecules of ATP
what is the general term for carbohydrates composed of two monosaccharides.
Answers
Disaccharides. Disaccharides (di- = “two”) form when two monosaccharides join together via a dehydration reaction, also known as a condensation reaction or dehydration synthesis.
Answer:
The general term for carbohydrates composed of two monosaccharides is "disaccharide".
Explanation:
Disaccharides are formed by the condensation (removal of a water molecule) of two monosaccharides, and are also sometimes called "double sugars". Examples of disaccharides include sucrose (table sugar), which is made up of glucose and fructose, and lactose, which is made up of glucose and galactose.
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