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gregori [183]
3 years ago
7

What is the outer nervous systems job?

Biology
1 answer:
Shalnov [3]3 years ago
4 0

Answer:

the nervous system send signals from one cell to another or from one part of the body to another part of the body.

Explanation:

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Do cell walls manage the movement of all substances into and out of the cell?
Kisachek [45]
No, the cell membrane regulates movement of materials into and out of cells.
6 0
3 years ago
You add the following components (in the correct volumes and concentrations) to a tube to perform a PCR reaction Buffer Magnesiu
uranmaximum [27]

Answer:

b. False

Explanation:

These components are not sufficient to successfully perform a PCR reaction. Deoxynucleoside triphosphates (dATP, dGTP, dCTP, dTTP) are missing so that the PCR reaction can occur perfectly.

The PCR technique allows a specific fragment of the DNA molecule to be amplified thousands of times in just a few hours. This technique revolutionized research in molecular biology because it had taken a long time for DNA amplification. From PCR it is possible to obtain enough copies of a part of DNA to detect and analyze the sequence that is the target of the study.

For a PCR reaction to be performed a solution with some components must be prepared. These components are:

  • Magnesium chloride buffer (to optimize reaction and act as a cofactor for polymerase)
  • Forward and reverse primers (to customize the start of the enzyme reaction)
  • DNA polymerase (Enzyme required for replication of desired DNA region.)
  • DNA Template (the DNA to be copied)
  • PCR-grade water
  • Deoxynucleoside triphosphates: dATP, dGTP, dCTP, dTTP (act as bricks in the construction of DNA molecules).
3 0
2 years ago
Phosphate sugar base what molecule is that?
Alla [95]

Answer:

nucleotides

The DNA molecule is a polymer of nucleotides. Each nucleotide is composed of a nitrogenous base, a five-carbon sugar (deoxyribose), and a phosphate group.

Explanation:

4 0
2 years ago
What products are always made when any carbon-based fuel is burened in the presence of oxygen
NNADVOKAT [17]

Answer:

carbon dioxide and water.

5 0
2 years ago
Read 2 more answers
Which would you expect to be the most active on a cold day?
ira [324]
Biologically thinking, I would say viruses.
Viruses are Inert organisms, they are not influenced by temperature on the opposite of other organisms like humans or bacteria (there are some exceptions in bacteria)
Temperature influences proteins, it could change their conformation and their activity, especially for enzymes.
Temperature decreases the energy flow, due to the decrease of thermal agitation of small molecules like ions in cells.
Viruses don't need active enzymes to live, it just needs host cells, which will be easier on cold days because of the decrease of immune system activity
On cold days you can see an emergence of viruses infections like flu or cold.

8 0
3 years ago
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