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Furkat [3]
3 years ago
14

Is any trace of an ancient organism preserved in rock. Wegener s theory that the​

Biology
1 answer:
lesya [120]3 years ago
3 0

Answer:

yes

Explanation:

i had it

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6 0
3 years ago
Given the following events involved in the regulation of blood volume, which one of the following answers best represents the or
Ad libitum [116K]

Answer:

The correct answer will be-

1. decrease in blood volume

2. secretion of renin from juxtaglomerular apparatus

3. production of angiotensin II

4.  secretion of aldosterone

5. sodium reabsorbed from distal tubules and collecting ducts

Explanation:

The RAAS pathway or Renin-angiotensin II-aldosterone pathway gets activated in the human body to maintain the osmolarity and blood volume.

When the receptors in the blood sense the low volume of water in the body sends signals to the brain which activates the secretion of the renin from the juxtaglomerular cells. Renin helps converts the inactive angiotensin to angiotensin I and II which help reabsorption of sodium ions. This activates the production of aldosterone which increases the reabsorption of the sodium ions into distal and collecting ducts.

7 0
3 years ago
Which of the following adaptations is not used to enable movement in protists? A. Pseudopod B. Spores C. Conjugation D. Flagella
Lilit [14]
All of these are adaptations used to enable pr otists move except for B.spores , because they are used in asexual reproduction.

HOPE THIS HELPS YOU..!!
5 0
3 years ago
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Density-dependent inhibition is a phenomenon in which crowded cells stop dividing at some optimal density and location. This phe
Brilliant_brown [7]

Answer:

This statement is true

Explanation:

Different substances such as growth factors and nutrients affect the mechanism of density-dependent inhibition of growth as cells become more and more numerous

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3 years ago
What is are amino acids????
Anon25 [30]

Amino acids are the monomers that make up proteins. Amino acids are made of a carboxyl group (Carbon, Oxygen, Hydrogen), an amino group (Nitrogen and two Hydrogen), and finally an R group which differs in each amino acid. That R group is what makes each amino acid different! They can also act as enzymes. Essentially enzymes act as biological catalysts and control the functions of the cell and build cells.

3 0
2 years ago
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