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Paha777 [63]
3 years ago
7

The collecting duct becomes more permeable to water when the kidneys are in water-conservation mode.

Biology
1 answer:
coldgirl [10]3 years ago
6 0
For the answer to the question above, I believe the answer to the question is Antidiuretic Hormone (ADH). <span>It is a  relatively small peptide molecule that is released by the pituitary gland at the base of the brain after being made nearby the hypothalamus. ADH has an antidiuretic action that prevents the production of dilute urine and it is also antidiuretic.</span>
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Most cells of the human body directly receive a variety of endocrine secretions through the activity of which system
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Answer: I believe it is D, the Nervous System.

Explanation:

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3 years ago
What types of eukaryotic cells have vacuoles that act like lysosomes
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I believe the answer is plant cells 
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3 years ago
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17. Which of the following statements are accurate?
Naddik [55]

Answer:

A. Neurotransmitters can act as ligands.

B. Acetylcholine is a neurotransmitter. It can bind to an acetylcholine receptor on the surface of a cell. If this receptor is also a sodium channel, we would call acteylcholine a ligand and its receptor a ligand gated receptor.

Explanation:

Answer:

A. Neurotransmitters can act as ligands.

B. Acetylcholine is a neurotransmitter. It can bind to an acetylcholine receptor on the surface of a cell. If this receptor is also a sodium channel, we would call acteylcholine a ligand and its receptor a ligand gated receptor.

Explanation:

Neurotransmitter are chemicals that transfer signals between neurons and nerve cells. They control some physical and physiologocal activity such as appetite, food.

Acetycoline is an example of neurotransmitter and it is located in the parasympathetic nervous system. Ligand are substance that form complexes with biomolecule. They serve biological purpose with this biomolecule.

This ligand binds to target site. Neurotransmitter act as ligand by binding to receptor in the postsynaptic neuron and acetycoline a type of neurotransmitter can also serve as ligand they bind to acetycoline receptor on cell surface.

5 0
3 years ago
Biodiversity tends to be higher where:
mr Goodwill [35]

Answer:

Option (C)

Explanation:

Biodiversity usually refers to the different varieties of life forms that exist on earth. This includes the varieties in terms of ecosystem, and species and genetic changes.

This biodiversity is directly dependent on the region where there occurs a high amount of sunlight and precipitation. The factors such as latitude, climate, height, availability of resources are important for the growth and expansion of biodiversity. In these regions, the biogeochemical cycle also occurs rapidly, as the processes that are associated with it occur at a faster rate, thereby enhancing biodiversity.

Thus, the correct answer is option (C).

4 0
3 years ago
What are electromagnetic waves
Arlecino [84]

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Electromagnetic waves are formed when an electric field comes in contact with a magnetic field. They are hence known as 'electromagnetic' waves.

Explanation:

3 0
3 years ago
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