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Kobotan [32]
3 years ago
14

Air is a mixture of freely moving molecules of different gases. peeling an onion releases molecules you can smell into the air.

the onion molecules naturally spread out through the air a room by the process of
A. concentration
B. diffusion
C. reacting
D. flowing
Biology
2 answers:
NNADVOKAT [17]3 years ago
6 0

Answer:

I think D but not for sure.

prisoha [69]3 years ago
6 0

Answer:

b. diffusion

Explanation:

i did it on apex and got it right

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The pKa for the side chain of histidine is 6.0. What is the ratio of the deprotonated imidazole side chain to the protonated sid
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Answer:

When the pKa is 6.0, we can determine the fraction of protonated H is by:

pH = pKa + log [A]/[HA]

Where

A = Deprotonated imidazole side

HA = Protonated side

Given, pH = 5.0

5 = 6 + log [A]/[HA]

log [A]/[HA] = -1 (take antilog of both side)

[A]/[HA] = 0.1

The ratio of the deprotonated imidazole side chain to the protonated side chain at pH 5.0 = 0.1

Given, pH = 7.5

7.5 = 6 + log [A]/[HA]

log [A]/[HA] = 1.5 (take antilog of both sides)

[A]/[HA] = 31.62

The ratio of the deprotonated imidazole side chain to the protonated side chain at pH 5.0 = 31.62

7 0
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The colon is divided into two sections called the ascending transverse and descending transverse. True False
inn [45]

According to the research, the correct option is false. The colon can be divided into four sections: ascending, transverse, descending and sigmoid.

<h3>What is the colon?</h3>

It refers to the portion of the large intestine, whose function is to convert digested food waste (chyme).

It can be divided into four sections:

  • Ascending, it begins at the junction with the tenuous intestine and extends down the right side of the abdomen.

  • Transverse, which crosses the abdomen from the right side to the left.
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Therefore, we can conclude that according to the research, the correct option is false. The colon can be divided into four sections: ascending, transverse, descending and sigmoid.

Learn more about The colon here: brainly.com/question/14788209

#SPJ1

6 0
1 year ago
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