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Rufina [12.5K]
3 years ago
14

Describe what is happening to the chromosomes during each sub-phase of Meiosis I and Meiosis II.

Biology
1 answer:
stiv31 [10]3 years ago
4 0

The spindle gradually lenghtens during prophase.Towards the end of the prophase stage,the nuclear envelopes break down,and each of the microtubules reach from each cell pole to the cell's equator an

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Describe how advances in DNA technolgy are assisting the work of those in medical fields
shutvik [7]

Answer:

Advances in DNA technology have allowed for treatments such as gene therapy in the medical field. Nowadays, there are tools like the CRIPSR-Cas9 - harnessed from bacteria's immune system- that can nip a ‘bad’ region of DNA, which is responsible for disease, and replace it with a proper functioning bit. This is how genetic disorders are going to be addressed in the near future in mainstream medical facilities.

Recombinant DNA technology is being used to create clones of transgenic organisms that produce products of significance in the medical fields. An example is incorporating the insulin gene in bacteria genome. These clones of modified bacteria colonies secrete insulin protein that is purified and injected in diabetic persons to lower their sugar level to normal.

4 0
3 years ago
Read 2 more answers
Cells, organelles, and tissues are usually measured in __________.
katen-ka-za [31]

The cells, organelles, and the tissues of the body are measured in micrometers. The size of the cells, tissues, and various organelles are very small. Majority needs the help of microscope to be seen. Therefore, the larger units of the metric system cannot be used to measure their sizes. Hence, the smaller unit, such as the micrometer is used for their measurement purpose.

The given blank can be filled with micrometers.

3 0
3 years ago
On the electromagnetic spectrum,
Mrac [35]
<span>B. less energy than gamma rays but more than ultraviolet

Hope this helps!
</span>
8 0
3 years ago
How does a marshmallow contain carbon?​
bulgar [2K]

Answer:

The sugar molecules in the marshmallow are being changed into carbon. Sugar can be changed into water molecules. When you toast marshmallows, the heat causes a chemical reaction producing water molecules which then evaporate, leaving the carbon behind.

Explanation:

6 0
3 years ago
HURRYY!!<br><br> Why have American's portion sizes become larger in the last decade?
Viefleur [7K]

Answer:

American's portion sizes have become larger in the last decade due to the expanding of food industries and marketing campaigns that tell us to eat more.

Explanation:

The growth of food industries in the last decades to obtain more money in combination with the media influence has led us to eat more, thus why the size of our portions has increased their size.

Another theory states that people always want to eat more, and the industry has only fulfilled this demand, but it is not clear why, in the past, this did not happen.

8 0
3 years ago
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