Biology assistance needed ASAP

Question 1

Select one answer.

10 points

How many phosphate groups does ATP have?

  • 1

  • 2

  • 3

  • 4

Question 2

Select one answer.

10 points

Does the DNA in the skin cell have the same backbone as DNA in the brain cell of the same organism?

  • Yes, the backbones of DNA are different for each person, but within the organism – they are the same in all cells.

  • No, the backbones will be different in each cell type.

  • Yes, all backbones of ALL DNA molecules are the same.

  • No, the backbones will be different because of mutations.

Question 3

Select one answer.

10 points

This is an image of

Biology assistance needed ASAP 1

  • Ribose pyrimidine

  • Deoxyribose purine

  • Deoxyribose pyrimidines

  • Ribose purine

Question 4

Select one answer.

10 points

Which labeled region is the base?

Biology assistance needed ASAP 2

  • Green

  • Blue

  • Red

Question 5

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10 points

Which of these is NOT a difference between DNA and RNA?

  • DNA tends to be double stranded, while RNA tends to be single stranded

  • RNA uses the base thymine while DNA uses the base uracil.

  • DNA uses the sugar deoxyribose while RNA uses the sugar ribose.

  • All of these are differences between DNA and RNA.

Question 6

Select one answer.

10 points

Which nucleotide is at the 3’ end of this nucleic acid?

Biology assistance needed ASAP 3

  • T

  • A

  • C

  • G

Question 7

Select one answer.

10 points

What type of molecule is shown here:

  • Carbohydrate

  • Lipid

  • Nucleotide

  • Amino acid

Question 8

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10 points

The molecule shown here is: _________________

  • a carbohydrate

  • an amino acid

  • a lipid

  • a nucleotide

Question 9

Select one answer.

10 points

What type of molecule is shown here:

Biology assistance needed ASAP 4

  • Carbohydrate

  • Lipid

  • Nucleotide

  • Amino acid

Question 10

Select one answer.

10 points

Which of the following molecules is hydrophobic?

  • food coloring

  • table salt

  • olive oil