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ElenaW [278]
3 years ago
15

A/An _______ exists when different concentrations of a substance exist on either side of a membrane.

Biology
1 answer:
Alecsey [184]3 years ago
4 0

Answer:It is known as a concentration gradient which in diffusion will always flow from ares of high concentration to areas of low concentrations  

So i believe the answer to this is A.

Explanation:

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For each idea listed, select the thinker who is most associated with originating that idea.
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Developed Calculus -

<u><em>Gottfried Wilhelm Leibniz </em></u>

Around the 1670s, two great men — Sir Isaac Newton of England and Gottfried Wilhelm Leibniz of Germany — discovered and developed calculus independently from each other.

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Galileo Galilei (1564-1642) was part of a small group of astronomers who turned telescopes towards the heavens.

Who developed a model of the universe with the Sun at the center

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The Earth-centered Universe of Aristotle and Ptolemy held sway on Western thinking for almost 2000 years. Then, in the 16th century a "new" (but remember Aristarchus) idea was proposed by the Polish astronomer Nicolai Copernicus (1473-1543).

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3 years ago
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In the skeletal system . which are the two main tissues responsible for the structural support in the body
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Answer:

Explanation:

The two main types of bone tissue are compact (hard and dense) and cancellous (spongy and flexible) tissue.

6 0
4 years ago
Protein structure is directly related to the function of the protein. Which of the following is an accurate description of the l
Alexandra [31]

Answer:

c. Tertiary protein structure is the overall three-dimensional shape involving interactions between various amino acids and their side groups.

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When this primary polypeptide chain becomes slightly compact and coiled by making hydrogen bond then it is called the secondary structure of the protein.

The tertiary structure of a protein is the overall three-dimensional arrangement of the polypeptide chain which is generally stabilized by both hydrophobic and hydrophilic interactions between various amino acids and their side chain.

The three-dimensional structure and shape of protein determines the function of a protein.

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