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Rama09 [41]
2 years ago
12

The plasma membrane A. controls movement of substances in and out of the cytosol B. has both lipid and protein molecules C. is i

mpermeable D. A and B are correct answers E. all of the above are correct answers
Biology
1 answer:
mars1129 [50]2 years ago
7 0

Answer:

I believe it is E. All of the above

Explanation:

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Mark’s discovery has Emily concerned. She has blue eyes, while both of her parents have brown eyes. Is it possible for Emily to
vovikov84 [41]
Yes because brown eyes are a dominant gene while blue is recessive gene so one of both of the parents ancestors had to have them for her to be their biological daughter.
5 0
2 years ago
Which microscope did Anton van Leeuwenhoek use to observe single-celled organisms?
likoan [24]
<span>Anton van Leeuwenhoek learned to grind lenses ( 1668) and develop simple microscopes.

</span>

Leeuwenhoek heated the middle of a small soda glass rod , over a flame. On pulling apart the two ends, the glass rod elongated into thin whiskers . 
Heating the end of this whisker resulted in a tiny high quality glass sphere. These glass spheres then became the lens of his microscope, with the smallest sphere providing the greatest magnification.

Leeuwenhoek's designs were very basic. The body of the microscope was a single lens mounted in a tiny hole on a brass plate. The specimen was then mounted on a sharp point that sticks up in front of the lens. It's position and focus could be adjusted by turning the two screws.

The entire instrument was about 3 to 4 inches long and had to be held up close to the eye, requiring good lighting and great patience to use.


8 0
2 years ago
Read 2 more answers
How might targeting rapidly growing cells explain common chemotherapy side effects such as hair loss and nausea
IrinaVladis [17]

Cancer cells are the cells that divide rapidly than any other cells in the body. The drugs used in chemotherapy work on rapidly dividing cancer cells. Some cells of our body apart from cancer cells also divide rapidly along with the cancer cells such as the cells that line the stomach and the digestive tract. Chemotherapy drugs cannot differentiate the cancer cells and the normal cells so these drugs also attack the normal cells which divide rapidly along with the cancer cells. The drugs also attack the cells that are present in the roots of the hair. So, this results in the hair loss. Hair loss does not occur immediately after the chemotherapy treatment instead it starts after few treatments. The degree of the hair loss after chemotherapy depends on the drug type and process. So when the chemotherapy drugs are used it results in the hair loss and nausea.

Therefore, when chemotherapy drugs attack normal cells including the roots of the hair instead of cancer cells that divide rapidly along with the cancer cells it results in the hair loss and nausea.

3 0
3 years ago
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Perforation plates are characteristic of the ________ of __________.
nydimaria [60]
Characteristic of the Vessel elements of Angiosperms
3 0
3 years ago
Researchers investigated the effect of urea on the three-dimensional structure of a certain enzyme. The researchers dissolved th
Zolol [24]

Answer:

The question as the options lacking but based on the question we can infer the ANSWER

Based on the results of the experiment we can best say that urea will disrupt the function of the certain enzyme and that when the urea is removed the enzyme regained its function.

Explanation:

Denaturation is the term used to describe urea effect on the enzymes as it inactivates it by affecting it's secondary and tertiary function. In the process it’s 3D structural conformation is altered.

6 0
3 years ago
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