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Luden [163]
3 years ago
11

BEST ANSWER GETS BRAINLIEST

Biology
1 answer:
OLEGan [10]3 years ago
6 0

Answer: D. They use different structures for movement.

Explanation:

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This picture below is showing what stage of cell division?
lianna [129]
Dhdjjdjjdbdjd dhdjdjdn
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3 years ago
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An Earth scientist is testing how vanous soil mixtures affect plant growth. She begins with 10 soil types. For each mixture, she
nevsk [136]

The correct answer to my knowledge would be 45.

Assuming that the 10 soils are each represented by A, B, C, D, E, F, G, H, I, J.

A can combine with 9 others as: AB AC AD AE A F AG AH AI AJ

B can combine as: BC BD BE BF BG BH BI BJ

C as: CD CE CF CG CH CI CJ

D as: DE DF DG DH DI DJ

E as: EF EG EH EI EJ

F as: FG FH FI FJ

G as: GH GI GJ

H as: HI HJ

I as: IJ

Once you add all the combinations together, you get 45.

Hoping this helped you!

3 0
3 years ago
Explain how the nucleus Observed in cheek cell​
erastovalidia [21]

Answer:

The nucleus at the central part of the cheek cell contains DNA. When a drop of methylene blue is introduced, the nucleus is stained, which makes it stand out and be clearly seen under the microscope.

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7 0
3 years ago
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A student found a grasshopper in their backyard and wanted to take it to school to show the teacher the next day. Thestudent put
Nat2105 [25]

Answer options:

  • The nucleus was unable to provide instructions for the other organelles in the cells.
  • The mitochondria were unable to undergo cellular respiration and could not produce energy for the cells to function.
  • The lysosomes were unable to remove waste from the cells.
  • The cell membrane was unable to allow substances to enter and exit the cells.

Answer:

  • The mitochondria were unable to undergo cellular respiration and could not produce energy for the cells to function.

Explanation:

Mitochondria are the site of aerobic respiration. This is the process that produces energy in the form of ATP. ATP provides energy for all cellular processes. Without this energy, the cell cannot carry out its functions and will quickly die.

Aerobic respiration requires a good supply of oxygen, which the grasshopper would not have had in a sealed container.

3 0
3 years ago
DNAase is an enzyme that catalyzes the hydrolysis of the covalent bonds that join nucleotides together. What would first happen
Free_Kalibri [48]

DNAase is an enzyme that catalyzes the hydrolysis of the covalent bonds that join nucleotides together. What would first happen to DNA molecules treated with DNAase?

A) The purines would be separated from the deoxyribose sugars.

B) The pyrimidines would be separated from the deoxyribose sugars.

C) All bases would be separated from the deoxyribose sugars.

D) The two strands of the double helix would separate.

E) The phosphodiester bonds between deoxyribose sugars would be broken.

Answer:

E) The phosphodiester bonds between deoxyribose sugars would be broken.

Explanation:

The purines and pyrimidines of two DNA strands of a DNA duplex are held together by hydrogen bonds. Hydrogen bonds are not covalent bonds. The enzyme DNAase targets the phosphodiester bonds. These are the covalent bonds that join two deoxyribonucleotides of a DNA strand together. therefore, when a DNA is subjected to digestion with DNAase enzyme, the phosphodiester bonds will be broken that hold the pentose sugars of two nucleotides by a phosphate group.

6 0
3 years ago
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