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3 years ago

Lipophilic hormones function by activating cAMP.

Biology

1 answer:

AveGali [126]3 years ago

7 0

Answer:

Option B

Explanation:

Water soluble hormones associate with the G protein of cAMP. This G protein is intra-cellular i.e found inside the cell.

However in case of lipid derived hormones, the hormone has to diffuse through the cell across the plasma membrane to bind to DNA or the intra-cellular receptors.This regulates the gene transcription and induces protein production that affects the cell functioning for a long time.

Hence, option B is correct

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true or false? to make a person breathe in, the volume of the chest cavity must decrease, creating a higher pressure in the thor

faltersainse [42]

The thorax is a very vital and important organ in the human body.

It is a structure that serves as a protective covering for organs in the body such as the lungs, the heart, some vital blood vessels e.t.c

It is false that to make a person breathe in, the volume of the chest cavity must decrease, creating a higher pressure in the thorax.

When a person breathes in, the chest cavity expands (the volume increases) and the pressure in the thorax decreases.

When a person breathes out, the chest cavity decreases in size, and the pressure in the thorax increases.

Therefore, we can see that the process of breathing in humans, follows the principle of Boyle's Law.

Boyle's law states that as the volume increases there is a decrease in pressure and as the volume decrease there is an increase in pressure.

Therefore, It is false that to make a person breathe in, the volume of the chest cavity must decrease, creating a higher pressure in the thorax.

To learn more, visit the link below:

brainly.com/question/24359876

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3 years ago

Which statement is accurate about dominant alleles? (brainliest)

LUCKY_DIMON [66]

Answer:

one which is able to express itself outwardly in the presence of a recessive allele

Explanation:

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2 years ago

Glucose is the preferred source of energy for the brain and red blood cells true or false

Rina8888 [55]

Your answer is true.

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3 years ago

In osmosis, water always moves toward the solution, that is, toward the solution with the solute concentration.

morpeh [17]

Answer:

I assumed this question was a fill in the blank. :-)

Hypertonic
Greater

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2 years ago

Compare the ATP production process in photosynthesis with that of cellular respiration. Give at least one difference and one sim

lukranit [14]

1) Both involve electron transport chains.
2) Chemiomosis allows ATP synthase to produce ATP. 
3) Both take place at some point within an organelle (mit. = CR, chloroplast= photo.) 
4) Both utilize ATP for energy at some points. 
5) Both provide power for cellular activities. 
5 Differences 
1)Cellular respiration depends on oxygen as a substrate. 
2)Photosythesis utilizes 2 electron transport chains (not just 1). 
3)In Photo. , energy is provided by photons and not catabolic processes as in cell. resp. 
4)Photosynthesis involves the production of NADPH (CR involves NADH and FADH2) 
5)Photosynthesis involves CO2 and H20 as substrates (splitting h20 provides the electrons for the process).

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3 years ago