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Over [174]
2 years ago
10

Is it true or false? i'll mark you brainlist

Biology
2 answers:
insens350 [35]2 years ago
7 0

the sentence above is false

Kruka [31]2 years ago
4 0

Answer:

false

Explanation:

The endocrine system acts through chemical messengers called hormones that influence growth, development, and metabolic activities. The action of the endocrine system is measured in minutes, hours, or weeks and is more generalized than the action of the nervous system

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What is the most appropriate method to prepare a sample of cheek cells for PCR?
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Answer:

Extraction of genomic DNA

Explanation:

Resuspend the cells(any number), smaller numbers also work, in 10-20 ul of TE buffer or milli Q water. boil for 5-10 min in a waterbath, quick chill, short spin. use the supernatant as a template for PCR.

If cells are very less, u can directly add cells to the PCR reaction without enzyme,boil for 5-10 min in a waterbath, let it cool slowly, short spin. Add enzyme to the supernatant and start the reaction at extension step followed by normal PCR reaction steps.

5 0
3 years ago
The was a massive scientific undertaking meant to identify and sequence all of the genes found in a human cell. this is just one
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1. An amoeba with 26% salt concentration is placed in a beaker of water with 55% salt concentration. What will happen to the amo
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Explanation:

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3 years ago
What does “alkaline” mean?
Anarel [89]

Answer:

PH greater than 7

basic solution

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2 years ago
A caterpillar eats only plants. a robin eats the caterpillar. what is the role of the robin in this system? A: Producer B:Decomp
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