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UNO [17]
3 years ago
7

What does the presence of new rock near an oceanic ridge indicate?

Biology
2 answers:
Brums [2.3K]3 years ago
8 0

Answer:

b

Explanation:

b makes the most sense to me

Gelneren [198K]3 years ago
5 0

Answer:

A

Explanation:

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What is the collective name for the animals found in australia who carry their young in pouches?
bogdanovich [222]
The correct answer is marsupials.
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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
Please help me'
bija089 [108]
Controlled burning? I think that's right.
7 0
3 years ago
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You discover a rare new bird species, but you are unable to observe its mating behavior. You see that the male is large and orna
Eva8 [605]

Answer:

You can conclude that the species is polygamous.

Explanation:

5 0
3 years ago
A frameshift mutation that occurs very early in a protein sequence would have what effect on the protein's structure? A. The pri
AlekseyPX

Answer:

C. Primary, secondary, and tertiary structures would be altered

Explanation:

Frameshift mutations refer to the mutations that change the reading frame of the gene. Frameshift mutations are mostly caused by insertion or deletion of nucleotide since addition or loss of nucleotide alters all the codons present downstream of the point of the mutation site. If frameshift mutation occurs at the beginning of the protein sequence, all the downstream amino acids would be altered.

The changed amino acid sequence would alter the primary structure of the protein. Since the secondary and tertiary structure of proteins is determined by interactions between the R groups of amino acids, their polarity, charge, etc., the altered amino acid sequence would also alter secondary, and tertiary of the protein.

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3 years ago
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