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Luda [366]
3 years ago
13

What type of virus can only infect plants? A) TGEV B) ToMV C) HIV D) H1N1

Biology
1 answer:
Natasha2012 [34]3 years ago
3 0
The answer is b toMV
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What changes occur in extracellular and intracellular fluid compartments during dehydration?
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 cellular shrinkage and metabolic dysfunction.

Explanation:

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Need help fast. I really dont understand this
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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

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Type of material transport that requires energy from the cell
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Isn’t it active transport????
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A metamorphie rock can be classified according to its
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A metamorphic rock can be classifies according to its texture and compositions.

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