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Sphinxa [80]
3 years ago
12

How do land Animals prevent water loss?

Biology
1 answer:
UNO [17]3 years ago
7 0
<span> Different animals act in different ways. Insects do this by closing their spiracles, amphibians stay in the shade, mammals have fur that helps prevent water loss via evaporation. </span>
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It will soon be autumn, and the birds seem to be preparing for ________.
bekas [8.4K]

A. Migration (birds migraye to warmer climates during colder months)

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3 years ago
The pKa of an acid depends partly on its environment. Predict the effect of each of the following environmental changes on the p
Galina-37 [17]
The pKa represents the pH of the medium at which the zwitterionic amino acid assumes most stable ionic form due to structural stabilization. As the pKa is dependent upon the environmental factors of the solution around the amino acids, a change in their structure and localization can cause change in the pKa of the protein. Thus, the answers can be found as below:

Part A: Decrease (As the lysine is basic in nature, it will tend to stabilize the electrostatic interaction and weak interactions between the acidic amino acids and hydrogen bonds in the viscinity, thus lowering the pH and hence pKa of the protein)

Part B: Increase (As the carboxyl group is acidic in nature, removal of it will tend to increase the pKa since the basic amino acids will tend to accumulate more negative charge in their viscinity)

Part C: Increase (As glutamic acid is an acidic amino acid, its shift from outside to a non-polar site will prevents its ionization and hence the pKa will tend to shift from slightly acidic to slightly basic, hence increase)
3 0
3 years ago
Please answer I would really appreciate it
babymother [125]

Answer:

No negative impact in A and C an would have less mutataion

A is to U C is to G and A-T

Explanation:

4 0
3 years ago
How might the understanding of cells help in treating a disease?
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Hope this helps 
Brainliest?
4 0
3 years ago
Which of the statement(s) is (are) not right __________. a. mRNA: contains protein-building instruction b. tRNA: deliver free am
Alina [70]

Hi there!

We can go through the overall function of all three of these:

mRNA: transcribed from the DNA, has the protein's composition written in it, and brings that to a ribosome where the protein will be made

tRNA: looks at the codons (set of 3 nucleotides) on the mRNA and brings amino acids which match up to that codon

rRNA: significant part of the composition of ribosomes

Now, looking at these, and back to the answer choices, we can already see that a, b, and c are correct. d, on the other hand, is incorrect.

Hope this helps! Feel free to let me know if you have any questions about this specific problem.

3 0
3 years ago
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