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marshall27 [118]
3 years ago
13

What is the total magnification for each lens setting on a microscope with 15x ocular and 4x 10x

Biology
1 answer:
Strike441 [17]3 years ago
3 0

Answer:

1) 60x; 2) 150x

Explanation:

Total magnification = Power of the Ocular X Power of the objective

Power of Ocular = 15x

Power of Objective = 4x ; 10x

1)Total magnification = 15 X 4 = 60x

2)Total magnification = 15 X 10 = 150x

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Which enzyme is mixed with a DNA sample before gel electrophoresis
Svetach [21]

Answer:

Restriction enzyme

Explanation:

  • Gel electrophoresis is a process or a technique in which fragments of DNA  are separated in terms of their sizes.
  • <em><u>The restriction enzyme is mixed with a DNA sample before the process. The restriction enzyme cut DNA at specific points into fragments which can then be separated based on their sizes on an agarose gel.</u></em>
  • When current is applied to the gel DNA move towards the positively charged electrode since DNA is negatively charged, with shorter fragments migrating faster through the gel in comparison with large fragments.
4 0
3 years ago
Pepsin, a digestive enzyme that degrades proteins in the stomach, is synthesized as pepsinogen and converted to active pepsin in
kipiarov [429]

Digestive enzymes help to break down food in its simplest form. Pepsin is a digestive enzyme which leads to the degradation of proteins in the stomach. It is produced as pepsinogen and converted to active pepsin in the stomach by the removal of several amino acids.

<h3>What is pepsin?</h3>

Pepsin is a digestive enzyme which is present mainly in the gastric juice in stomach and helps to breakdown protein into peptides.

This pepsin is present in the stomach in the form of inactive pepsinogen. This pepsinogen gets active in the stomach by the action of hydrochloric acid.

Pepsinogen gets active and forms pepsin.

Thus, it can be concluded that the digestive enzyme pepsin degrades protein in stomach and is synthesized as pepsinogen and gets converted into active pepsin in stomach by removal of several amino acids.

For more details regarding digestive enzymes, visit:

brainly.com/question/24145559

#SPJ4

5 0
2 years ago
Which of these is not classified as a fossil fuel?  A.biodiesel  B.coal  C.natural gas  D.oil
dimaraw [331]


Oil, natural gas, and coal are all fossil fuels.

A. Biodiesel is man made.

Hope this helps. :)

3 0
3 years ago
In many ways, a mule is a superior animal to the horse or donkey. Mules are often stronger and can jump higher than either of th
svp [43]

Answer: They are sterile

Explanation:

Mule is a hybrid of male donkey and female horse with different chromosome number and is considered superior to both horse and donkey. Still it is considered as a weak hybrid this is because the mule is sterile which means that it cannot reproduce further.

The mule though is superior in many ways such as it can jump and is strong. The hybrid of mule is not good as it cannot continue its next generations on earth.

They are sterile and so is a weak hybrid.

7 0
3 years ago
A scientist in new York has been measuring the pH of rainfall in that state for the last 10 years. He has determined that the pH
malfutka [58]

Answer:

4.22

Explanation:

pH scale ranges from 0-14. 0-7 being the acidic range with 0 being the most acidic, 7 -14 is the basic range with 14 being the most basic.

7 0
3 years ago
Read 2 more answers
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