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Leto [7]
3 years ago
7

Which of the following best explains how the

Biology
1 answer:
maria [59]3 years ago
8 0

D

Paleontologists study and prove the change in form and functions of organisms throughout time in the fossil record.

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Select all of the answers that apply. Which of the following are possible causes of mass extinctions that scientists have identi
natka813 [3]
Extinction happens when there is a major climate change, then some species are unable to adapt to those changes, so they become extinct. Extinction basically occurs when species are unable to adapt quickly enough to the environment
8 0
3 years ago
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Which of the following is a way that new DNA can be introduced to bacteria?
OLEGan [10]

Answer:

B

Explanation:

<em>The correct answer here would be that </em><em>it can be injected by a virus.</em>

Since a virus operates by taking over the genetic system of the host and uses its replication, transcription, and translation to make virions or viral particles through the lytic or lysogenic life cycle. In the process, if the virus is utilized as a vector to carry a foreign DNA, the DNA is introduced into the genome of the bacteria. This is exactly what happens during the process known as transduction.

<em>The correct option is, therefore, </em><em>B.</em>

4 0
3 years ago
Introns in pre-mRNA: a. protect pre-mRNA from enzyme degradation. b. move within the mRNA, giving rise to new exon combinations.
suter [353]

Answer: c. are spliced out of the message.

Explanation: Intron are non-coding portion of the DNA sequence. They do not code for any specific amino acid and are spliced or removed before splicing.

Exons are DNA sequence that code for specific amino acid they are usually left after introns are removed and are joined together before translation into amino acid sequence. Intron splicing can lead to splicing some exons which can lead to formation of an entirely new amino acid or protein.

Spliceosome are enzymes for splicing introns.

7 0
3 years ago
A carotenoid is a yellow-orange pigment that absorbs _____ light.
alexandr402 [8]

The correct answer to this question is option"blue-green".

Reason:

The carotenoid is a yellow-orange pigment that absorbs blue light which gives plants there green color.

Therefore the answer should be option B.

Hope this helps!!!

6 0
3 years ago
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Friction from an object rolling over a surface
Zarrin [17]
The answer to this is rolling friction
5 0
3 years ago
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