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Romashka-Z-Leto [24]
3 years ago
6

Explain how it is possible to have thousands of different proteins when there are only 20 different amino acids?

Biology
1 answer:
yan [13]3 years ago
6 0
<span>Because amino acids can be arranged in many different combinations, it's possible for your body to make thousands of different kinds of proteins from just the same 20 animo acids. </span>
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The table below shows the average distances of Venus and Earth from the sun.
Nat2105 [25]

Answer:

The answer is C. 0.62 years

3 0
4 years ago
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Why is MgATP2− , instead of ATP4− , a substrate for the hexokinase reaction? Select two correct phrases. Mg2+ prevents ATP hydro
lidiya [134]

Answer:

Mg is able to give off two of its electrons to other molecule, not four. ATP, in this case is the aceptor of those electrons

Two correct answers are:

1) Hexokinase cannot bind active ATP when it is not complexed with Mg2+

2) Mg2+ makes the terminal phosphorus atom of ATP more accessible to nucleophilic attack by a glucose-OH group

Explanation:

As Mg occurs naturally as ion Mg++, it is able to give off only two of its electrons to other molecule, then it is possible for ATP to receive two electrons of Mg, forming MgATP2-

The hexokinase reaction, here cited, corresponds to the glucose phosphorylation of its sixth carbon to produce glucose-6-P, which is a glycolysis intermediate. In this way glucose is activated (ATP is initially invested to energize glucose).  Later on, Glyceraldehide-3-P is produced, and finally converted to pyruvate, NADH2 and ATP

3 0
3 years ago
The alleles for hair color in guinea pigs are brown (B) and white (b). Write the possible genotypes for hair color in guinea pig
sleet_krkn [62]

Answer: BB- brown

Bb-brown

bb-white

Explanation:B is dominant. b is recessive

3 0
3 years ago
If a person develops chronic lymphocytic leukemia, what leukocytes may be involved and how mature are they in the bloodstream? C
Hatshy [7]

Answer:

The correct answer is -

anemia- erythrocytes

easy bleeding- platelets

Repeated infections - leucocytes

enlarged lymph nodes- leucocytes

shortness of breath- erythrocytes

excessive bruising- Platelets

Explanation:

Cancer of the lymphocytes is chronic lymphocytic leukemia (CLL). Lymphocytes are a type of white blood cell involved in the body's immune system.

Platelets are tiny blood cell fragments that help your body form clots to stop bleeding. The platelets then rush to the site of damage and form a plug, or clot, to repair the damage.

Erythrocytes are red blood cells that travel in the blood. They carry oxygen from the lungs to the body and bring carbon dioxide back to the lungs to be expelled.

Leucocytes- White blood cells (also called leukocytes or leucocytes and abbreviated as WBCs) are the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.

6 0
3 years ago
5 points
Snezhnost [94]

Answer:

Uplift.................................

Explanation:

5 0
3 years ago
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