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Zarrin [17]
3 years ago
6

We hear a lot about stem cell research in the news. What are stem cells, and why might a person with damage to the brain or spin

al cord be very interested in the advancement of this field? What are some of the ethical issues related to stem cell research? Please do some research into stem cell research, then share the resources you used in your discussion post and your thoughts about it
Biology
2 answers:
Romashka [77]3 years ago
8 0

Stem cells are cells that have not yet differentiated into specialized cells. Therefore these cells can be ‘programmed’ by researchers to differentiate into any cell type of their liking and can be used in disease therapy. Ethics of stem cells raise controversy in the area of cloning such as in the case of ‘Dolly the Sheep’. For more insights follow this resource https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2726839/





andrezito [222]3 years ago
7 0
<span>Stem cells are found in multicellular organism,they are undifferentiated in nature and can form other special cells or could divide in further stem cells by mitosis.The person with brain or spinal cord injury would be interested cause these cells could be used in future to cure the problem.Human embryonic stem cell (HESC) research is ethically and politically controversial because it involves the destruction of human embryos.The resource used was paper by B Lo named 'Ethical Issues in Stem Cell Research'.And according to me research in this field is important for development of mankind</span>
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Which characteristic contributes to the quick nutrient cycling in tropical rain forests? O A. Heat and high humidity O B. Deep,
aliya0001 [1]

Answer:

A. Heat and Humidity

Explanation:

The hot, damp conditions on the forest floor allow for the rapid decomposition of dead plant material.

5 0
2 years ago
Which provide evidence for the general theory of relativity? Check all that apply
Lana71 [14]

Answer:

Gravitational redshift

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3 years ago
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What is an engineer goal and what does he or she need to meet that goal?
vampirchik [111]
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4 0
3 years ago
When your cells use fat for energy, the fatty acids are broken up into molecules of acetyl COA. Predict how many ATP can be made
IgorC [24]

Answer:

12 molecules of ATP can be made from one molecule of acetyl CoA.

Explanation:

If one molecule of acetyl CoA enter TCA cycle then it result in the formation of 3 molecules of NADH,1 molecule of FADH2 and 1 molecule of GTP that is equivalent to 1 molecule of ATP.

                        Now the reducing equivalent such as NADH and FADH2 enters electron transport chain and get oxidized to regenerate NAD+ and FAD along with ATP. 1 molecule of NADH produces 3 molecules of ATP whereas 1 molecule of FADH2 produces 2 molecules of ATP.

               So that net gain of ATP is given below

3 molecules of NADH = 9 molecules of ATP

1 molecule of FADH2 =2 molecules of ATP

1 molecule of GTP = 1 molecule of ATP

As a result total 12 molecules of ATP is by the oxidation of 1 Acetyl CoA  by TCA cycle .

7 0
3 years ago
The amount of matter changes when water changes from a liquid to a solid. True or false
Mashutka [201]

Answer:

False

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The atoms that make up the water whether in liquid or solid state is the same and doesn't change.

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