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adoni [48]
2 years ago
6

How are light microscopes different from electron microscopes?

Biology
1 answer:
ryzh [129]2 years ago
3 0

Answer:light microscopes use light,while electron microscopes use electrons,and light microscopes need lenses which give it a maximum magnification of 1500,but electron microscopes need lenses and a vacuum,so that the electrons don't go flying off everywhere,and the maximum magnification is 200,000.

Explanation:

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Drag each phrase to match the causes of water pollution to their effects.
BartSMP [9]

Answer:

improper disposal of sewage

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2 years ago
Which structures are responsible for mechanical breakdown of food
just olya [345]
Your teeth
You’re welcome :)
4 0
2 years ago
Which of the following statements is correct regarding the evolution of flight?
xxTIMURxx [149]

Answer:

d.The wing-assisted incline running theory postulates that wings were initially used to maintain balance while climbing up slopes.

Explanation:

Two theories were given to explain the origin of avian flight. The top-down theory suggested that the birds' ancestors were tree dwelling species. They took help of wings to glide from tree to tree in order to avoid predator or catch prey. The bottom up theory suggested that the birds' ancestors were ground dwelling species. They took help of wings to maintain a balance and provide a lift for efficient running.

Wing-assisted incline running was a mixture of both the above theories and gave a balanced view point. According to it, birds' ancestors used wings to maintain a balance while running up inclined slopes. The wings helped them to save energy while scaling slopes and eventually a flight mechanism was also developed.

5 0
3 years ago
Prior to the advent of multiplex genetic testing, a person would have been most likely to have a genetic test to determine if th
Sloan [31]

Answer: Colon cancer

Explanation:

All cancers, but especially colon and rectal cancers, commonly referred to as colorectal cancer (CRC), have hereditary factors that potentially increase one’s risk.

Genetic testing is determine if there is an increased risk of colon cancer. Apolipoprotein E (apoE) plays a major role in the metabolism of bile acids, cholesterol and triglycerides, and has recently been proposed as being involved in the carcinogenic process. Given the potential role of bile acids in colorectal cancer etiology, it is reasonable that colorectal cancer risk might be modified by apoE genotype. The absence of an e3 apoE allele significantly increased the risk of colon cancer especially for individuals above 50years.

7 0
2 years ago
The generation of _______ occurs by chemiosmosis. DNA RNA NADP ATP
zavuch27 [327]

Answer;

ATP.

The generation of ATP occurs by Chemiosmosis.


Explanation;

In the electron transport chain, hydrogen ions in the matrix space can only pass through the inner mitochondrial membrane through a membrane protein called ATP synthase.

As these protons move through ATP synthase, ADP is turned into ATP.

The production of ATP using the process of chemiosmosis in mitochondria is called oxidative phosphorylation.

5 0
2 years ago
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