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Nataly [62]
3 years ago
7

Which of the following vectors holds the largest pieces of DNA?

Biology
1 answer:
wolverine [178]3 years ago
3 0

Answer:

c. YACs

Explanation:

YACs, the Yeast artificial chromosomes are the high capacity vectors designed to carry the eukaryotic genes and carry the insert of 200-2000 kb.

YACs carry origin of replication from yeast, selectable markers and sequences derived from telomeres and centromere to maintain the stability of the insert during cell division.

The insert size for plasmids, bacteriophage, PACs, and cosmids is about 0.1-10 kb, 5-25 kb, 100-300 kb, 35-45 kb respectively.

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When Mr. T’s blood pressure dropped, his heart rate increased. Which part of his autonomic system was responsible for this respo
faltersainse [42]

Answer:

Medulla oblongata is responsible for autonomic regulation system.

Explanation:

Autonomic regulation is a controlling system that regulates different function of body such as heart rate,digestion,blood pressure,urination,respiratory rate,papillary response etc.

Hypothalamus is the main center of controlling this functions.

Autonomic dysfunction occur when autonomous nervous system damages,and the effect may be mild to life threatening.

Autonomic activity may leads to certain kind of side effects like-

  • Dizziness,fainting
  • exercise intolerance.
  • sweating abnormalities.
  • Diarrhea,constipation,difficulty in swallowing.
  • Urinary problems,incomplete emptying of the bladder.
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6 0
3 years ago
Chloroplasts are found in __________. chloroplasts are found in __________. neither plant cells nor animal cells animal cells on
lapo4ka [179]
Plant cells and some Protists
3 0
3 years ago
Read 2 more answers
Please help!
Ahat [919]

Answer:

Electrons Can Donate - 0

Electrons Can Receive- 2

Valence  - 2

Explanation:

The electronic configuration of oxygen is 1s^2s^22p^4. Thus in the p-orbital there is deficiency of two electrons. Hence, it can receive/share electron but it cannot donate electrons. This makes oxygen as a good electron acceptor. Since there is a deficiency of two electrons in the outermost shell of oxygen, the valence of oxygen in thus -2

6 0
4 years ago
The vestibular system is the only sensory system to send projection fibers directly to the cerebellum.
Greeley [361]

Answer: False

Explanation:

The above statement is false as, cerebellum receives the projection fibers from the other sensory system in which they are received in the different part of cerebellum. As, the cerebellum received the information from the sensory system and the spinal cords and also in the other part of the brain as it regulates in the movement of the motor.

3 0
4 years ago
What do paleontologists use to define the boundaries between geologic time intervals?
ryzh [129]

Answer:

Explanation:

The geologic time scale (GTS) is a system of chronological dating that relates geological strata (stratigraphy) to time. It is used by geologists, paleontologists, and other Earth scientists to describe the timing and relationships of events that have occurred during Earth's history.

8 0
3 years ago
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