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Fittoniya [83]
3 years ago
5

The distribution of blood to various tissue areas is controlled mainly by the constriction and dilation of

Biology
1 answer:
olya-2409 [2.1K]3 years ago
6 0
<span>Constriction and dilation of blood vessels controls the distribution of blood to various tissue areas</span>
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One advantage of asexual reproduction is that animals can _______.
aalyn [17]
One advantage of asexual reproduction is that animals can <span>increase their numbers rapidly.  The other options in the question are incorrect and so avoided. The correct option among all the options that are given in the question is the first option or option "A". I hope the answer has helped you.</span>
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3 years ago
Short segments of newly synthesized DNA are joined into a continuous strand by _____.Short segments of newly synthesized DNA are
Sloan [31]

Answer:

a. Ligase

b. Ligase ( it's repeated)

Explanation:

DNA synthesis begins, therefore, by synthesizing a short segment of RNA called a primer, which primer is synthesized by an enzyme called Primasa. Primasa is an RNA polymerase that uses DNA as a template. All fragments of Okazaki begin with a Primer. Subsequently, the DNA polymerase III Holoenzyme performs the synthesis of the corresponding DNA fragment until it reaches the next primer. At that time, DNA polymerase Ia replaces the DNA polymerase Holoenzyme III. The DNA polymerase I is responsible for removing the RNA primer through its 5'P-3'OH exonueotic activity and at the same time fills the hole by synthesizing DNA.

Finally, the two Okazaki fragments have to be joined, it is necessary to link the 3'OH end of a fragment with the 5'P of the next fragment. This work of sealing and joining the successive fragments is done by Ligase.

4 0
3 years ago
What is the cytoskeleton of a cell? What does it do?
ohaa [14]
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6 0
3 years ago
Cellular respiration in plants does not require atmospheric oxygen because
RoseWind [281]

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6 0
2 years ago
Ethical guidelines require researchers to weigh the potential benefits of research against possible
Ivan

Answer:

D

Explanation:

Humans are considered to have intrinsic dignity that can't be violated and is even protected by laws of human rights. Therefore, even when conducting experiments that will involve human subjected, it is expected by ethical standards of research are considered before being implemented. For example it is important that the experiment does not subject humans to any form of embarrassment, bodily harm, and psychological harm.

6 0
2 years ago
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