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Liula [17]
2 years ago
15

A scientist thinks that a certain chemical is a mutagen. She exposes plant cells to a large amount of this chemical in

Biology
2 answers:
alina1380 [7]2 years ago
6 0
Cells change after being exposed to chemicals. :))))
expeople1 [14]2 years ago
4 0

Answer:

i will say The cells change after being exposed to the chemical and this change is passed to the next generation of cells. as the answer

Explanation:

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When the polymerase chain reaction (PCR) is used to amplify segments of DNA, the sample is first heated, and then cooled, in cyc
baherus [9]

Answer:

At least 17 PCR cycles or 16 PCR cycles

Explanation:

As we know -

In one chain of  heating and cooling  of polymerase chain reaction (PCR), the strands of DNA gets doubled.

The general mathematical representation of this is

{2^n - (2 *  n)}

where "n" is the number of PCR cycles.

It is given that DNA strands  to be produced is 16 times the original quantity of DNA.

So the PCR cycle must be carried out at least 17 times in order to have DNA strand not less  than 16 times the original quantity of DNA

8 0
2 years ago
Which statements describe characteristics of pseudoscience? Check all that apply. Pseudoscience is often based only on opinions.
a_sh-v [17]

Answer:

1,4,5.

Explanation:

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3 0
2 years ago
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Which revision correctly uses an appositive to combine the sentences? my american history teacher is named mr. turner. mr. turne
Maru [420]

Mr. Turner, my American history teacher, taught us about the U.S. home front during WWII. Enjoy!

6 0
2 years ago
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Do acidic conditions deactivate amylase?
Kitty [74]
Yeah!! As it acts in slightly acidic medium i.e., of pH 6.8 so, acidic conditions deactivate amylase enzyme...
6 0
2 years ago
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Which of the following steps to putting together a successful fitness program is least beneficial to reinforcing commitment? A.
matrenka [14]

Answer:

The correct answer is - option B.

Explanation:

Reinforcing commitment in fitness program require making the client to influence or commit for the the current fitness program again. This can be accompanied by the various methods such as making program compulsory or official, creating monitoring tools and associating rewards with completing smaller steps.

The FITT principle is one of monitoring tool for fitness program which provide guidelines that focused on frequency, intensity, time, and type of an particular program, however it is not important for reinforcing commitment towards program.

Thus, the correct answer- The correct answer is - option B.

8 0
2 years ago
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