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QveST [7]
3 years ago
8

In 1997, Dolly the sheep was cloned. Which of the following processes was used?

Biology
1 answer:
allsm [11]3 years ago
4 0

Answer:

Option (D).

Explanation:

Dolly was the first sheep cloned in the year 1997. The sheep has been cloned from the adult somatic cells. The sheep was cloned by  Keith Campbell, Ian Wilmut.

The adult's cell nucleus was fused with the enucleated sheep egg. The egg was then incubated in the surrogate female. The telomeres of Dolly sheep was found to be shorter than the normal individuals.

Thus, the correct answer is option (D).

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A.arteries from aorta
Illusion [34]

1. C
2. A
3.D
4.B

We know that arteries from the aorta and arteries from coronary arteries supply oxygenated blood to various parts of the body. What separates these two is the coronary arteries’ ability to deliver oxygenated blood to the heart.
We know that the inferior vena cava delivers deoxygenated blood to the lower (hence inferior) part of the body and that the superior vena cava delivers deoxygenated blood to the upper (superior) part of the body; they follow the same deoxygenated rule and strictly deliver nutrients to certain parts of the body.

I hope I helped! :)
5 0
3 years ago
4. In which layer do most (90%) of rainforest organisms live?
lana66690 [7]
Canopy layer my friends :D
4 0
3 years ago
Read 2 more answers
3. In tropical regions,
marin [14]

Answer:

a, a permanent thermocline traps nutrients in the deep water

b. primary productivity is high all year round, because there is a constant supply of solar energy for  photosynthesis.

Explanation:

Thermocline occurs in the tropical regions because the temperature is very high which warms the upper layer of water bodies whereas the lower layer of water has low temperature due to no sunlight. The primary productivity is high all year in the tropical regions, because there is a constant supply of sunlight that is needed by the plants for  preparing their own food.

3 0
2 years ago
Describe a stoma, and relate the function of the stoma to your description.
stepladder [879]

Answer:

BOTONY:

any of the minute pores in the epidermis of the leaf or stem of a plant, forming a slit of variable width which allows movement of gases in and out of the intercellular spaces.

MEDICINE :

an artificial opening made into a hollow organ, especially one on the surface of the body leading to the gut or trachea.

Explanation:

3 0
3 years ago
Select the correct answer.
aleksandrvk [35]
The answer is a because that’s something a pathologist will do
5 0
2 years ago
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