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trapecia [35]
3 years ago
9

Help taking it now worth 10 points

Biology
2 answers:
Karolina [17]3 years ago
3 0

The Answer is the Intertidal Zone

postnew [5]3 years ago
3 0

The near- shore zone

hope this helps!

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In a certain mutant strain of bacteria, the enzyme leucyl-tRNA synthetase mistakenly attaches isoleucine to leucyl-tRNA 10% of t
Effectus [21]

Answer:

The correct answer is "proteins in which isoleucine is inserted at some positions normally occupied by leucine".

Explanation:

The missing options of this question are:

A. proteins in which leucine is inserted at some positions normally occupied by isoleucine.

B. proteins in which isoleucine is inserted at some positions normally occupied by leucine.

C. no abnormal proteins, because the ribosomal translation machinery will recognize the inappropriately activated tRNAs and exclude them from the translation process.

D. no proteins, because the inappropriately activated tRNAs will block translation

The correct answer is option B. "proteins in which isoleucine is inserted at some positions normally occupied by leucine".

In normal conditions, the enzyme leucyl-tRNA synthetase attaches one leucine amino acid to leucyl-tRNA as part of synthesis of proteins that have one or more leucine residues in their sequences. Since the enzyme of this mutant strain of bacteria mistakenly attaches isoleucine to leucyl-tRNA 10% of the time, approximately 10% of all the proteins that normally have leucine residues will going to have isoleucine. Therefore, These bacteria will synthesize proteins in which isoleucine is inserted at some positions normally occupied by leucine.

3 0
3 years ago
How does meiosis most benefit a species?
lina2011 [118]
Making kids or reproduction(sex)
8 0
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The _____ cycle deals with geological processes and carbon reservoirs, some of which have been built up or take place over a per
Lilit [14]

Answer:

long-term carbon; short-term carbon

Explanation:

The long-term carbon cycle, which takes millions of years, involves geological processes and carbon reserves that bury organic matter and exchange of carbon with rocks as well as formation of fossil fuels. On the other hand, short-term carbon cycle involves biological processes such as exchange of carbon dioxide between the sea and the atmosphere, photosynthesis, respiration, which occur within shorter periods.

4 0
3 years ago
Which of the following is a result of government attempts to increase energy efficiency? a. american council for an energy effic
Ierofanga [76]

Answer:

c

Explanation:

just trust me because it is hard to explain

7 0
2 years ago
At low frequencies during DNA replication, an extra nucleotide maybe inserted into the DNA strand. If this occurs within a gene,
zavuch27 [327]

Answer:

1. It could result in a loss of function of the protein product

2. It could result in a protein product with excessive activity

3. It could result in altered structure of the protein

Explanation:

Any changes that occur in the nucleotide sequence in the DNA of an organism is known as a mutation. Various forms of mutation can occur in the DNA sequence of an organism which could be as a result of insertion or deletion of a nucleotide in the DNA sequence.

Insertion of an extra nucleotide into a DNA strand within a gene could have any of the following effects on the protein protein;

1. It could result in a loss of function of the protein product of the gene whereby the protein can no longer carry out its normal functions

2. It could result in a protein product with excessive activity other the normal range at which it functions.

3. It could result in altered structure of the protein either in the primary, secondary, tertiary, or quaternary structure

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3 years ago
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