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faust18 [17]
3 years ago
10

Two amino acids frequently found in reverse turns are a. glycine and proline b. tyrosine and tryptophan c. leucine and isoleucin

e d. serine and threonine
Chemistry
2 answers:
Crank3 years ago
8 0

Answer:

A

Explanation:

Polypeptides such as proline and glycine are capable of making a sharp turn called a reverse turn due to the suitability and flexibility of their cyclic structure

Tresset [83]3 years ago
3 0

Answer:

A.

Explanation:

Glycine and Proline are important.

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Which statement is true about air temperature and humidity
lapo4ka [179]

Complete Question:

Which statement is true about air temperature and humidity?

Group of answer choices.

a. the air temperature does not affect how much moisture the air can hold

b. hotter air holds less moisture than colder air.

c. hot air and cold air share the same amount of moist.

d. colder air holds less moisture than hotter air.

Answer:

d. colder air holds less moisture than hotter air

Explanation:

Weather can be defined as the atmospheric conditions of a particular area over a short period of time.

The elements of weather include precipitation, wind, temperature, atmospheric pressure, relative humidity, cloud, and wind speed.

Temperature can be defined as a measure of the degree of coldness or hotness of a physical object (body).

On the other hand, humidity refers to the concentration (amount) of water vapor that is present in the air. It is high when there's a lot of water vapor in the air and low when the level of water vapor is small.

Hence, the true statement about air temperature and humidity is that colder air holds less moisture than hotter air because as the air cools, its molecules move closer together while the molecules move farther apart as the air become hot.

Additionally, at constant humidity, relative humidity is inversely proportional to temperature i.e as the temperature decreases, relative humidity increases.

6 0
3 years ago
Drawing Conclusions
Dmitrij [34]

<u>Answer:</u>

<em>The situation given here is imaginary such that the life of Rock has to be found using the half-life of the element lokium that has been found inside the rock. </em>

<u>Explanation:</u>

Half-life of any material is the amount of time taken by that particular material to decay. Now the amount of lokium found in rock can show after how many half-lives this amount has been left out.

The time elapsed will be log (L) atoms X half-life.

4 0
3 years ago
The na+/k+ pump removes ______ na+ ions and adds _______ k+ ions.
Paladinen [302]

Sodium potassium pump is an active pump which transfer sodium and potassium ions across the membrane with the expenditure of energy in the form of ATP.

This kind of pump is generally used in nerve cells.

The pump works against the concentration gradient as the pump moves three Na+ ions outside the cell and two K+ ions inside the cell, though there is a high concentration of Na+ outside the cell and a low concentration of K+ outside the cell.

3 0
3 years ago
12. Which one of the following is not true about the reaction of: CH3-
weqwewe [10]

Explanation:

CH₃CH₃ + Cl₂ → CH₃CH₂Cl + HCl

  • This reaction take place in the presence of light/UV rays. (i.e, photochemical reaction)
  • It's a Chlorination reaction because here there's addition of chlorine.
  • It's a substitution reaction because Cl substituted H from place and attach there.

Option which is NOT correct is

Option A (It's not an elimination reaction)

Therefore,

Option A is correct✔

7 0
3 years ago
The most familiar type of ambulatory pharmacy is the
sashaice [31]
I believe a Community Pharmacy
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3 years ago
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