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AlladinOne [14]
2 years ago
10

Which of these is a characteristic of index fossils?

Biology
1 answer:
algol132 years ago
3 0

Answer:

c is the right answer

Explanation:

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g Choose the correct answer from the list. Group of answer choices DNA sequences that are deduced by comparing many related DNA
REY [17]

Answer:

Explanation:

Group of answer choices DNA sequences that are deduced by comparing many related DNA sequences are called CONSENSUS. Unlike DNA synthesis, RNA synthesis requires TRANSCRIPTION. PROMOTERS direct RNA polymerase to the initiation site. RNA synthesis complexes containing DNA, RNA, and polymerase perform TRANSLATION. RNA synthesis (tRNA, mRNA, and rRNA) takes place in complexes containing DNA, RNA, and polymerase are called TRANSCRIPTION BUBBLES. The expression of beta-galactosidase requires the induction of operons by addition of REPRESSORS.

7 0
1 year ago
Even though a motion picture actually consists of a series of still frames, we perceive them conveying continuous movement. This
zloy xaker [14]

Answer:

Even though a motion picture actually consists of a series of still frames, we perceive them conveying continuous movement. This is an example of stroboscopic effect.

Explanation:

The stroboscopic effect is caused by aliasing which leads to different signals to become identical when sampled.

7 0
1 year ago
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During the year the beetles reached carrying capacity, a flood in the region decreased the population to about 77 beetles per he
tensa zangetsu [6.8K]

Answer:

After the flood the total number of beetles = number of beetles per hectare × 115 hectares = 8,855 beetles.

The carrying capacity is 14,600 beetles.

Explanation:

8 0
1 year ago
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Explain how a streamlined, smooth, nearly hairless body is a beneficial adaptation for marine animals.
lana66690 [7]

Most of the marine animals have a stream lined body, which means, they have a sharp and pointed at the front. The pointed front of the organism allow to cut the resistance of the water. In case, the body is not pointed at the front and it is blunt, the water current and flow would resist the movement of the organism further. So, for the locomotion purpose, it is important to have a streamlined body. Further smooth and hair less body also decrease the resistance during the movement in the water.

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1 year ago
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Suppose that a scientist deletes the AAUAAA consensus sequence, the poly(A) tail, or the 5' cap from pre‑mRNAs in an mRNA. She t
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Answer:

<h2>AAUAA deletion- (B ) </h2><h2> </h2><h2>Poly(A) tail deletion- (C) </h2><h2> </h2><h2>5' cap deletion-  (A) </h2>

Explanation:

(A) introns are not removed from the pre-mRNA due to 5' deletion;

(B) the pre-mRNA is not cleaved at the cleavage site due to AAUAA deletion

(C) the mRNA is not transported to the cytoplasm due to poly A tail deletion;

AAUAA deletion:  if we delete the AAUAA  sequence then there is the change of sequence of pre- mRNA that the pre-mRNA is not cleaved at the cleavage site .

Poly(A) tail deletion: Poly(A) tail is the long tail of Adenine in the 3' end of mRNA, after the deletion of Poly(A) tail, it affects the transport of mRNA from the nucleus to the cytoplasm and  the mRNA is not transported to the cytoplasm if tail is deleted.

5' cap deletion; the effect of 5' cap deletion is that introns are not removed from the pre-mRNA. The process of intron removing and exon joining is called RNA splicing.

3 0
1 year ago
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