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3 years ago

Steroid hormones produce their effects in cells by _____.

Biology

2 answers:

Gwar [14]3 years ago

8 0

Answer:

The correct answer will be- binding intracellular receptors and then regulation of specific genes

Explanation:

The hormones produced by the cells act on the cell by a variety of mechanism in which the steroid hormones act on the target cell by binding to the intracellular receptors composed of proteins which allow easy diffusion of the steroid hormones into the cell.

These intracellular receptors act as a transcription factor which acts as either repressors or activators. Thus, this allows the steroid hormones to act as a regulator of the gene expression of the specific genes.

Thus, binding intracellular receptors and then regulation of specific genes is the correct answer.

-BARSIC- [3]3 years ago

6 0

Binding to intracellular receptors and promoting transcription of specific genes.

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1. List how a cell transports across the membrane?

Anna35 [415]

Answer:

1. this process continues until the substance is evenly distributed in a system.

2. depends on the cell membrane!

3. Facilitated diffusion is the diffusion of solutes through transport proteins in the plasma membrane.

Explanation:

1. The passive forms of transport, diffusion and osmosis, move materials of small molecular weight across membranes. Substances diffuse from areas of high concentration to areas of lower concentration

2. passive transport depends on the permeability of the cell membrane, which, in turn, depends on the organization and characteristics of the membrane lipids and proteins. The four main kinds of passive transport are simple diffusion, facilitated diffusion, filtration, and/or osmosis.

3. Facilitated diffusion is a type of passive transport. Even though facilitated diffusion involves transport proteins, it is still passive transport because the solute is moving down the concentration gradient

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3 years ago

Which of the following statements is true of proteins? Group of answer choices They are stored in the adipose tissue to provide

Natasha_Volkova [10]

Answer:

They compromise most of the structural materials in the body.

Explanation:

In order to answer the question, we need to analyze each of the answer choices separately.

⇒They are stored in the adipose tissue to provide energy for physical activities.

The statement above refers to fat in particular and lipids in general. ( Lipid is a general term and includes both oil and fats whereas fat refers to lipids which are solid at room temperature. Oil are lipids which are liquid at room temperature.) Fats are one of the key macronutrients in human diet others being proteins and carbohydrates.

Fats are used to store energy in human body. The tissue in which energy in the form of fat is stored is called adipose tissue or body fat.

⇒They comprise most of the structural materials in the body.

The statement above refers to proteins and is the correct answer. They are the most abundant organic compounds in cells and are used for building most of the structures. They are polymers of amino acids.

⇒They are micronutrients that maintain the pH of the body fluids.

The first point in the statement which makes it clear that it does not refer to proteins is the word "micronutrients". Protein is a macronutrient. Macronutrients are required in larger amounts as compared to micronutrients for physiological functioning of human body.

Micronutrients include vitamins and minerals.

⇒They are essential for the body to metabolize and absorb vitamins A, D, E, and K.

Vitamins A,D,E and K are fat-soluble and require fat for their proper absorption. Hence, the statement refers to fat.

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3 years ago

Vilka [71]

Answer:

p.e.a

Explanation:

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3 years ago

PLEASE HELP ME!The half-life for a 100-gram sample of radioactive element X is 5 days. How much of element X remains after 10 da

DerKrebs [107]

Half life is hone after 5 days all the life is gone after 10

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3 years ago

What does hydra mean in science??????

Sedbober [7]

Hydra is a genus of small, fresh-water animals of the phylum Cnidaria and class Hydrozoa. They are native to the temperate and tropical regions.
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3 years ago

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