Biology assistance needed ASAP

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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

· Ribose pyrimidine

· Deoxyribose purine

· Deoxyribose pyrimidines

· Ribose purine

Question 4

Select one answer.

10 points

Which labeled region is the base?

· Green

· Blue

· Red

Question 5

Select one answer.

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?

· 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

Select one answer.

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:

· 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