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Sav [38]
2 years ago
11

What is a limitation of using electron microscopes to view specimens?

Biology
1 answer:
alexira [117]2 years ago
4 0
The correct answer is C. You cannot view live specimens because the necessary preparation kills cells. 

The answer is pretty self-explanatory. Unlike it, regular microscopes can view living creatures such as bacteria or similar.

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What role do glucose and oxygen play in cellular respiration?
Radda [10]

In cellular respiration Oxygen breaks down the glucose to produce carbon dioxide

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Some students were studying antibodies in the body. In determining their composition, they were told they are polypeptides forme
vlabodo [156]

Answer:

They concluded that these antibodies were a) Globular proteins

Explanation:

Globular proteins are known to be water-soluble, spherical in shape and to be polypeptides as well. Compared to the other options provided, the selected one is the most correct.

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2 years ago
In general the surface of a tree has a harder feel than does the surface of a dog. What cell characteristic of each organism can
Alik [6]
This is because plants has cell wall while dog doesnt have. <span>A </span>cell wall<span> is a structural layer surrounding some types of </span>cells<span>, situated outside the </span>cell<span> membrane. It can be tough, flexible, and sometimes rigid. It provides the </span>cell<span> with both structural support and protection, and also acts as a filtering mechanism.</span>
4 0
2 years ago
Sweet yellow tomatoes with a pear shape bring a high price per basket to growers. Pear shape, yellow color, and terminal flower
Vitek1552 [10]

Answer and Explanation: The farmer has a pure-breeding line of tomato means the farmer has a tomato with genotype FFrrtt while the other line of tomato has genotype ffRRTT.

The cross between these lines gives a F1 generation of heterozygous full, red and axial or FfRrTt.

With an individual of F1 crosses with another individual of F1, the Punnet Square will be:

FfRrTt x FfRrTt

1) Dividing each characteristics, for simplicity:

          F         f

F       FF       Ff

f        Ff        ff

          R       r

R       RR     Rr

r        Rr      rr

         T      t

T       TT   Tt

t        Tt     tt

Analysing Punnett squares, we notice the line wanted (ffrrTT) will be produced, when an individual of F1 generation cross with another individual with the same generation.

       

4 0
2 years ago
How do environmental pressures promote a change in species diversity and abundance?​
andrew-mc [135]

Answer:

temperature. humidity environment

Explanation:

species will adapt to environment temperature and humidity whether it is a rain forest or snowy mountains

8 0
2 years ago
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