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kykrilka [37]
2 years ago
7

Most of our DNA consists of regions that do not code for any proteins True or False

Chemistry
1 answer:
Lady bird [3.3K]2 years ago
5 0
The Answer you are looking for is true
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2mL of a serum sample was added to 18mL of phosphate buffered saline (PBS) in Tube 1. 10mL of Tube 1 was added to 40mL of PBS in
Sladkaya [172]

Answer:

Tube 2 has a total dilution of 1:50

Explanation:

We have a 2 ml serum sample added to a 18 mL phosphate buffered saline sample in tube 1. This means now in tube 1 there is 20 mL.

We have a 1:10 (= 2:20) dilution here.

10 ml of this 1:10 diluted tube 1 is taken and added to a 40 mL of PBS in tube 2.

Now we have 50 mL in tube 2.

This is a 10:50 (= 1:5) dilution.

The total dilution is 10x5 = 50

So the total ditultion has a rate 1:50

Tube 2 has a total dilution of 1:50

4 0
3 years ago
How many grams are in 1.11 moles of manganese sulfate, Mn3(SO4)7?
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Answer:

There are 167.60889 grams in 1.11 moles of manganese sulfate. The molecular formula of manganese sulfate is MnSO4.

Explanation:

6 0
2 years ago
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A goup of cells that work together to perform a specific function.
algol13

Answer:

Cell Differentiation and Tissue.

Explanation:

tissues are organized communities of cells that work together to carry out a specific function.

4 0
2 years ago
Within an atom, electrons A. are in motion inside the nucleus. B. are in motion outside the nucleus. C. are inside the nucleus a
marin [14]

Hello! The correct answer is, B. are in motion outside the nucleus.


I hope this helped!

4 0
3 years ago
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What is heat energy in science ​
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Answer:

Heat energy is the result of the movement of tiny particles called atoms, molecules or ions in solids, liquids and gases. Heat energy can be transferred from one object to another. the transfer or flow from one object to another is called heat.

hopefully this helped :3

4 0
3 years ago
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