the cells that produce testosterone in the testes are called
Answer:
The cells that produce testosterone in the testes are called Leydig cells
Explanation:
Leydig cells are also known as interstitial cells of Leydig. Leydig cells are located in the interstitial tissue of the testes, in close proximity to the seminiferous tubules where sperm production occurs. These cells are responsible for the synthesis and secretion of testosterone, which is the primary male sex hormone. Testosterone plays a crucial role in the development and maintenance of male reproductive tissues, as well as secondary sexual characteristics, such as facial and body hair growth, deepening of the voice, and muscle development.
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5. Is the following sentence accurate?
Cellular respiration produces the energy needed for biological processes.
The cell that provides life with chemical energy. Light energy is converted by photosynthesis into chemical energy that is stored in glucose, and this energy is then released during cellular respiration to create ATP.
What does the term "cellular respiration" mean?While cells are aerobic respiration, oxygen may be present or not. But, because the cell seems to "respire" by consuming molecular oxygen (as an electron acceptor) and releasing carbon dioxide, the process is essentially known as "cellular respiration" (as an end product).
What happens during cellular respiration?ATP is created during cellular respiration as a reaction product between glucose and oxygen. Water and carbon dioxide are released as by products. The three stages of aerobic cellular respiration are glycolysis, an anaerobic process, and the Krebs cycle.
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SOMEONE HELP ME ASAP PLEASE
Why did horses develop longer-lasting
teeth over time? (1 point)
The horse developed a
longer muzzle.
They evolved from
carnivores to herbivores.
The diversity of
vegetation increased.
The environment became
drier.
The horse's diet modified to include harder plants. Horses had to grow teeth that were better suited for grinding and wearing down this kind of food as they evolved to eat harder plants like grasses.
Why did horses' teeth evolve to be more durable?Over the course of millions of years, horses have changed as a result of climatic and subsequent dietary changes. In particular, the wear caused by almost constant grazing on grasses rich in minerals resulted in tougher, continuously erupting teeth.
What advantages do modern horses enjoy as a result of tooth evolution?For two reasons, grazing is difficult on the teeth. Grasses contain glass-like silica fragments that act as sandpaper on teeth by wearing them away. Also picked up when chomping grass near to the ground is grit soil, which erodes teeth.
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in island biogeography, what does species area relationship indicates? a. large islands that are far get more species that can fly or swim b. large islands increase the probability of extinction c. habitat heterogeneity provides suitable niches to colonize d. smaller habitat size reduces the probability of extinction
The species-area relationship in island biogeography indicates that larger habitat size reduces the probability of extinction. Habitat heterogeneity provides suitable niches to colonize, thus allowing for a higher number of species in the area. Therefore, the correct option is c.
Habitat heterogeneity provides suitable niches to colonize. Let's discuss the given options one by one.a. Large islands that are far get more species that can fly or swim: This option is incorrect because the number of species on an island is not determined by how far it is from the mainland but instead by the size of the island. Large islands increase the probability of extinction: This option is incorrect because larger islands provide more suitable habitats for a higher number of species and not for increasing the probability of extinction Smaller habitat size reduces the probability of extinction: This option is incorrect because smaller habitat size provides a lower number of suitable niches and habitats to colonize, which can increase the probability of extinction.
Thus, it can be concluded that habitat heterogeneity provides suitable niches to colonize in island biogeography.
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If I feel sick but haven’t thrown up and have ate and still feel sick am I actually sick?
Answer:
If you feel sick, I recommend just lying down on your bed for a few hours, it has always helped me. My mom always had me lie down on my bed like all day it seemed, and just relax and watch television, and even though I didn't want to go to bed, it really helped. I thank my mom for helping me. So, I highly recommend doing that if you feel sick. And, you should see if you have a thermometer to use to see how hot you are. If you are exceeding 99.8 degrees, that means you are most likely ill, and should lie down. But, if below that, you should be fine. But, if you still feel ill, just do what I suggested. It really helps.
Explanation:
May I have Brainliest please? My next rank will be the highest one: A GENIUS! Please help me on this journey to become top of the ranks! I would really appreciate it, and it would make my day! Thank you so much, and have a wonderful rest of your day!
The tides of the ocean result from the gravitational pull on the Earth by the Sun and
A
B
C
D
Answer is b.the moon
A common facial expression which indicates shock or surprise is when one's mouth drops open. The chin drops and the mouth opens wide. What type of movement is this?
Depression movement occurs when the chin drops and the mouth opens wide.
What is Depression movement?This refers to the downward movement of the mandible and usually occurs at the temporomandibular joint.
This is used to express shock or surprise which was why it was chosen as the most appropriate choice.
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A hypothesis is not stated, but what do you think was Dr. Rains’ hypothesis about what would happen in the experiment?
Based on the fact that a hypothesis is not stated and Dr. Rains makes a hypothesis about what would happen during an experiment, it is clear that he is making an educated guess.
This is purely conjectured as it has to do with little or no evidence about a thing and is not considered a fact until proven otherwise.
What is a Hypothesis?This refers to the educated guess that is used during reasonable thinking, in order to find the answer to a scientific question.
Based on the fact that a hypothesis is not stated and Dr. Rains makes a hypothesis about what would happen during an experiment, it is clear that he is making an educated guess.
This is purely conjectured as it has to do with little or no evidence about a thing and is not considered a fact until proven otherwise.
Hence, we can see that your question is incomplete, so I gave you a general overview to help you get a better understanding of the concept.
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Which of the following options is correct?The region of a long bone between the end and the shaft is known as the _____.a. Epiphysisb. Diaphysisc. Metaphysisd. Osseophysise. Medullary cavity
The region of a long bone between the end and the shaft is known as the C. Metaphysis.
What is Metaphysis?
Metaphysis is the study of the underlying structure and meaning of language, literature, and thought. It is a branch of linguistics and philosophy that focuses on the analysis of words and symbols in their structural and functional contexts. Through the study of metaphysis, scholars can gain insight into the deeper meanings of language, literature, and thought. Metaphysis also examines the relationship between language and culture, as well as the relationship between language and the human mind. By understanding the underlying structure and meanings of language, literature, and thought, we can better understand ourselves and the world around us.
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Those who sexually abuse minors typically display a similar pattern of behavior referred to as:_________
Those who sexually abuse minors typically display a similar pattern of behavior referred to as manipulative behavior.
Abuser uses to gain access to a potential victim, coerce them to agree to the abuse, and reduce the risk of being caught. While these tactics are used most often against younger kids, teens and vulnerable adults are also at risk.
Grooming follows a similar pattern:-
Victim selectionGaining access and isolating the victim.Trust development and keeping secretsDesensitization to touch and discussion of sexual topicsBe alert for signs that your teen has a relationship with an adult that includes pushing personal boundaries.
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Which correctly pairs the organelle pictured with its function?
A. Flagella: help with movement~~ B. Cytoplasm: holds organelles in place ~~
C. Cytoplasm: make proteins~~
D. Flagella: allows cell to divide~~
Answer:
B
Explanation:
Cytoplasm is like air in the city analogy
A. Flagella: help with movement correctly pairs the organelle pictured with its function.
Flagella are whip-like structures found in some cells that are responsible for providing movement. They extend from the surface of the cell and are involved in locomotion. Flagella contain microtubules that undergo coordinated bending movements, allowing the cell to propel itself through its environment.
Option B, "Cytoplasm: holds organelles in place," is not accurate. While the cytoplasm does contain organelles, its primary function is not to "hold" them in place but rather to serve as a medium for various cellular processes, including metabolism, protein synthesis, and cell movement.
Option C, "Cytoplasm: make proteins," is also incorrect. Protein synthesis occurs primarily in the ribosomes, which are often associated with the endoplasmic reticulum (ER) and are not synonymous with the cytoplasm itself.
Option D, "Flagella: allows cell to divide," is not accurate. The function of flagella is related to movement, not cell division. Cell division involves processes such as mitosis and meiosis, which are different from the function of flagella.
In conclusion, option A, "Flagella: help with movement," correctly pairs the organelle (flagella) with its function (movement). Flagella are essential for enabling certain cells to move through their environment, aiding in processes such as swimming or propelling particles.
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The atmospheric temperature decreases when snow starts melting because the snow does which
Answer:
because the snow releases thermal energy from the atmosphere to melt.
Explanation:
Sonar works by
measuring the refraction rate of sound waves between objects
measuring the distance between sound waves
measuring the reflection rate of sound waves off objects
measuring the time between sound waves
Answer: C
Explanation: Echoes are produced when a sound wave is reflected back on hitting an obstacle in its path. The reflected sound wave will then travel back to the source. This depicts the process involved in the working of the SONAR.
Answer:
the answer to "sonar works by" is:
C. measuring the reflection rate of sound waves off objects
Explanation:
An acoustic transducer is used in modern active sonar systems to create a sound wave that is reflected off target objects.
The body obtains sugar from food. Which system most directly affects blood sugar levels?
ton
Digestive system
Explanation:
The sugar goes straight from the digestive system into the bloodstream after an individual consumes and digests food.
However, glucose can only enter cells if enough insulin is also circulating in the bloodstream. Insulin is a protein that makes cells ready to receive glucose
During plant cell cytokinesis, what helps to form the barrier that separates the two daughter cells?
Why does the graph show a temperature of 16o C at 0 meters of depth ?
Answer:
because that's the starting temperature to rising
Explanation: I think , I would need more context on the graph though
A population of wild turkeys lives in a forest ecosystem. The population’s size is near the carrying capacity of its environment.
Which of the following best describes the forest ecosystem’s carrying capacity for the wild turkey population?
Choose 1 answer:
Choose 1 answer:
58. Because of an attractive tax rebate, a homeowner decides to
replace an oil furnace heating system with expensive solar
panels. The trade-offs involved in making this decision include
(1) high cost of solar panels, reduced fuel costs, and lower taxes
(2) low cost of solar panels, increased fuel costs, and higher
taxes
(3)
increased use of fuel, more stable ecosystems, and less
availability of solar radiation
(4) more air pollution, increased use of solar energy, and
greater production of oil
The trade-offs involved in making this decision include (1) high cost of solar panels, reduced fuel costs, and lower taxes.
Because of an attractive tax rebate, a homeowner decides to replace an oil furnace heating system with expensive solar panels. In this scenario, the homeowner is attracted to install solar panels because of the tax rebate. Solar panels are expensive in the short run, but in the long run, the homeowner can save on fuel costs and benefit from the tax incentives offered by the government.
This means that in the long run, it will be more economical and sustainable than an oil furnace heating system.The trade-offs involved in making this decision include high cost of solar panels, reduced fuel costs, and lower taxes. In this context, a trade-off refers to the opportunity cost of selecting one option instead of another.
In this scenario, the opportunity cost is the high cost of solar panels, which is offset by the reduced fuel costs and lower taxes. This means that the homeowner will have to invest more upfront in purchasing and installing solar panels but will benefit from reduced energy bills and lower taxes in the long run.
Overall, the homeowner can benefit from this decision by becoming energy efficient, reducing carbon emissions, and contributing to a more sustainable environment. The correct answer is 1.
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Help plss!
Ovules, each containing an egg, are found in which part of the flower?
A. Pistil
B. Anther
C. Stamen
D. Sepals
Ovules, each containing an egg, are found in the pistil of a flower.
please make me brainalist and keep smiling dude I hope you will be satisfied with my answer
Pistil: The ovule producing part of a flowe
What are the most precise units for measuring the distance along the chromosome between two linked genes?
Group of answer choices
a. map units
b. centiMorgans
c. base pairs
d. lod scores
e. Angstroms
The most precise units for measuring the distance along the chromosome between two linked genes are base pairs because base pairs provide a more precise measurement. Option c.
Base pairs (bp) are the most precise units for measuring the distance along a chromosome between two linked genes. Chromosomes are composed of DNA, which consists of a sequence of nucleotides represented by four different bases: adenine (A), thymine (T), cytosine (C), and guanine (G).
The distance between genes is determined by the number of base pairs separating them on the DNA molecule. By sequencing the DNA, researchers can precisely determine the order and number of base pairs, allowing them to measure the distance between genes accurately.
Base pairs provide a standardized and consistent unit of measurement for genetic mapping, enabling the understanding of the genetic linkage and distance between genes on a chromosome.
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Identify the 2 primary consumers in this food web.
A-Foxes and Frogs
B-Decomposers and Rabbits
C-Caterpillars and Frogs
D-Caterpillars and Rabbits
Answer: Caterpillars and Rabbits
Explanation:
Primary consumers are Herbivores who consume Primary producers.
Hope this helps!
Answer:
I believe it is caterpillars and Rabbits
a major difference between exotoxins and endotoxins is that endotoxins are _____.
A major difference between exotoxins and endotoxins is that endotoxins are lipopolysaccharides found in the outer membrane of Gram-negative bacteria.
In contrast, exotoxins are proteins secreted by both Gram-positive and Gram-negative bacteria. Endotoxins are less toxic, less specific, and heat-stable, while exotoxins are more toxic, target-specific, and heat-labile. Additionally, endotoxins trigger an inflammatory response and cause fever, whereas exotoxins can lead to various clinical manifestations depending on their specific targets.
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I’m pretty sure there is 3. Can someone help me?
Answer:
D. rigidity and shape that's why in plants they stand upright for photosynthetic process.
Huntington’s disease (HD) is prevalent South Africa. Most of the families with HD have Dutch or British ancestry, which suggests they inherited the European HD allele. HD is believed to have first arrived in South Africa more than 300 years ago when Dutch colonists settled into the Western Cape in the 1600s. Thus, the prevalence of HD in South Africa is the result of the founder effect.
Mutations in the HTT gene cause Huntington’s disease. The HTT gene provides instructions for making a protein called huntintin. This protein plays a role in nerve cells in the brain. The HTT mutation that causes HD involves a DNA segment known as a CAG trinucleotide repeat. This segment is made up of a series of three DNA building blocks that appear multiple times in a row. Normally, the CAG segment is repeated 10 to 35 times within the gene. In people with HD, the CAG segment is repeated 36 to more than 120 times. An increase in the size of the CAG segment leads to the production of an abnormally long version of the huntintin protein. This causes the dysfunction and eventual death of neurons in certain areas of the brain. The more repeats, the more serious the disease is.
HD is inherited in an autosomal dominant pattern. There is both an adult onset (after reproductive age) and a juvenile onset pattern. People with adult onset typically have 40 to 50 repeats, while people with the juvenile form tend to have more than 60 repeats. Individuals who have 27 to 35 repeats do not develop HD, but they are at risk of having children who will develop the disorder. As the gene is passed on to offspring, the size of the repeat may lengthen into the range associated with HD.
Predict what will happen to the allele frequencies for Huntington’s disease in South Africa if there were a new mutation to the HTT gene that causes a reduction to the CAG trinucleotide repeat. Justify your prediction with evidence. Your response should include links to the sources of information gathered.
Explanation:
Predict what will happen to the allele frequencies for Huntington’s disease in South Africa if there were a new mutation to the HTT gene that causes a reduction to the CAG trinucleotide repeat. Justify your prediction with evidence. Your response should include links to the sources of information gathered.
Explain the concept of “natural selection” and what it really means. Specifically what actually causes the natural selection and why does it occur?
Natural selection is a mechanism of evolution. Organisms that are more adapted to their environment and are more likely to survive and pass on the genes that aided their success. This process causes species to change and diverge over time.
Hope this helps :))
once a peptide bond has been formed between the amino acid attached to the trna in the p site and the amino acid associated with the trna in the a site, what process occurs next?
The expanding polypeptide chain linked to a) a tRNA at the P site as soon as a new peptide bond was created in the ribosome. Between the amino acids found in the ribosome's A and P sites, a peptide bond is formed.
After the peptide bond is created, where does the tRNA go?Exactly one codon pulls the mRNA through the ribosome once the peptide bond has been created. The E ("exit") site of the initial, empty tRNA might now drift away as a result of this change. Additionally, it opens up a new codon at the A site, allowing the cycle to continue.
each aminoacyl-acyl tRNA's linkage stability, which is created by an ester bond joining the amino acid carboxyl group.
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Describe how roots grow in length.
Answer:
water sun light yum
Explanation:
What is the minimum genotype of recombinant cell that grew on minimal media supplemented with arginine, methionine, and the antibiotic tetracycline but lacking the essential amino acid isoleucine?
The minimum genotype of the recombinant cell that grew on minimal media supplemented with arginine, methionine, and tetracycline but lacking isoleucine is arg⁺ met⁺ tetR⁺ ilv⁻.
In this case, the "+" symbol represents the presence of the corresponding functional gene, and the "-" symbol represents the absence of the gene. The cell requires arginine, methionine, and tetracycline due to the presence of the respective genes (arg⁺, met⁺, tetR⁺). However, it lacks the ability to synthesize isoleucine (ilv⁻) because the gene responsible for isoleucine biosynthesis is absent. Consequently, the cell is unable to grow without isoleucine supplementation.
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What are two major plant adaptations that were most important in allowing plants to become independent of aquatic habitats?.
Two major adaptations that were most important in allowing plants to become independent of aquatic habitats are the vascular system and seeds.
In order for plants to survive on land, they need a proper vascular system for the transport of food and water. Also, if not water, then another source should be present for plants for fertilization and protecting their embryos.
The presence of the vascular system is an adaptation that allowed plants to survive in land habitats. The xylem vascular system is responsible for transporting water from the soil to all the other parts of the plant. The phloem vascular bundle is responsible for the transportation of food from the leaves to all other parts of the plant.
The development of seeds in plants allowed a secure method for dispersal as seeds protect the embryos of plants and are also transported through means such as animals, winds etc.
Although a part of your question is missing, you might be referring to this question:
What are two major plant adaptations that were most important in allowing plants to become independent of aquatic habitats?
a. photosynthesis and symbiotic relationship with fungi
b. vascular system and seeds
c. bilateral symmetry and becoming multicellular organisms
d. spore production and becoming single-celled organisms
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Many types of plants produce fruit which is eaten by animals. The seeds of these plants are typically undigestible. Which of the following is an advantage for plants having undigestible seeds? It allows seeds to reside in the gut until conditions are appropriate for germination. It ensures that flowers of these plants will be pollinated. It allows the seeds to be dispersed into other areas. It provides a source of nutrients for the germinating seed.
The advantage for plants having undigestible seeds is that it allows seeds to reside in the gut until conditions are appropriate for germination.
Fruits are a source of nutrition for animals that consume them, and they are also a means of seed distribution for plants that produce them. Many types of plants generate fruit that is consumed by animals; nevertheless, the seeds of such plants are usually indigestible. As a result, the seeds can be dispersed into new areas by animals that eat the fruit.
However, having undigestible seeds provides a distinct benefit to plants: it allows seeds to reside in the gut until conditions are appropriate for germination, which aids in seed growth and germination.
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