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Gekata [30.6K]
3 years ago
14

HELP PLZ I AM STUCK HELPPPPPPPPPPPPPPP plzzzz both of those questions plzzz

Biology
1 answer:
Zarrin [17]3 years ago
8 0

Answer:

Im not 100 percent sure for number 1, because any answer i put in the blank does not really make sense, but for number 2, i can tell you that the answer is

B. population

Explanation:

ill keep trying to figure out number 1 :)

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A certain bacterial mRNA is known to represent only one gene and to contain about
Brut [27]

Answer:

C) 30,000

Explanation:

According to the given information, the bacterial mRNA consists of about 800 nucleotides. Three consecutive nucleotides together make one genetic codon which in turn codes for one specific amino acid in the protein encoded by this mRNA.  

So, an mRNA with 800 nucleotides will have total 800/3 = 266.67 or 266 genetic codes. The protein encoded by this mRNA would have a total of 266 amino acids.  

Given that one amino acid imparts 110 units to the molecular weight of the protein, the protein with 266 amino acids have the molecular weight= 266 x 110 = 29260, that is about 30,000.  

4 0
3 years ago
What enzyme connects new nucleotides and proofreads them in separated DNA strands?
horrorfan [7]
<span>DNA polymerase is the enzyme that connects new nucleotides and proofreads them into separate DNA strands. 

This process is part of DNA replication. A cell's DNA is replicated before a cell divides. The two strands of a DNA molecule have complementary base pairs. Each strand in the pair consists of a nucleotide sequence which is able to provide the information to duplicate itself. Before the duplication occurs, the length of the DNA that is about to be copied must be unwound and the two strands must be separated. This is done by breaking the weak hydrogen bonds that link the pairs together. They must then be kept apart from each other to expose the bases so that the new nucleotide partners can bond to them. DNA polymerase is the enzyme that moves along the exposed DNA strand and joins the new nucleotides to manufacture a new DNA strand that is a duplicate of the original</span><span>
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5 0
3 years ago
ALL mutations have an effect on the protein. <br> A. True<br><br> B. False
KengaRu [80]

Answer:

B. False

Explanation:

No; only a small percentage of variants cause genetic disorders—most have no impact on health or development. For example, some variants alter a gene's DNA sequence but do not change the function of the protein made from the gene.

6 0
2 years ago
Read 2 more answers
Which statement describes a newton? It exists only for objects on Earth. It measures the mass of an object. It reflects the amou
maksim [4K]

Answer:

It reflects the amount of force an object exerts

Explanation:

A newton is a unit of force that will accelerate one kilogram of mass one meter per second squared.

6 0
3 years ago
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Is it possible for an individual with X-linked agammaglobulinemia to develop rheumatoid arthritis?
trasher [3.6K]

Explanation:

so X-linked agammaglobulinemia (XLA) is a rare genetic disorder discovered in 1952 that affects the body's ability to fight infection. As the form of agammaglobulinemia that is X-linked, it is much more common in males.

So in rheumatoid arthritis Typically, stiffness begins in the joints of the hands. It usually comes on slowly, although it can come on suddenly and affect multiple joints over the course of one or two days... I hope this helped you answer your question :)

5 0
3 years ago
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