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yulyashka [42]
2 years ago
5

TIMMER HELP PLLEASE Which of the following is not a benefit to using scientific models? a. Scientific models help scientists gai

n a better understanding of concepts and events. b. Scientific models aid in communication about concepts and events. c. Scientific models are never subject to change. d. Scientific models can help answer scientific questions. Please select the best answer from the choices provided A B C D
Biology
2 answers:
SVETLANKA909090 [29]2 years ago
8 0

Answer:

C!

Explanation:

Lelu [443]2 years ago
6 0

Answer:

c. Scientific models are never subject to change

Explanation:

Scientific models can change when new discoveries are made

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6 0
3 years ago
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]

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[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
2 years ago
3. Decomposers are organisms that obtain energy by breaking down dead matter and recycling the nutrients back into the soil. Dec
kati45 [8]

Answer:

(based of what I would think )

Explanation:

If we didn't have decomposers, the waste left from the food we eat and what the wolves and stuff eat would grow into a problem, we would have ( i think) a mess or something

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Analyze how different concentrations of solutes in a solution can affect organism's cells. In your own words 150 word count, pls
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Answer:

In creature cells, if an answer that the cell is in has an equivalent measure of solute as within the cell does, the cell will continue as before size. On the off chance that there is more solute outside of the creature cell, the cell will recoil in light of the fact that the water will tail it out of the cell hypertonic arrangement. On the off chance that there is less solute outside of the creature cell, the cell will develop in light of the fact that the water will take after the more prominent solute within the cell hypotonic arrangement.

Explanation:

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2 years ago
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