Question 1: How many phosphate groups does ATP have?

1
2
3
4

Question 2: 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: This is an image of

Ribose pyrimidine
Deoxyribose purine
Deoxyribose pyrimidines
Ribose purine

Question 4: Which labeled region is the base?

Green
Blue
Red

Question 5: 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: Which nucleotide is at the 3' end of this nucleic acid?

T
A
C
G

Question 7: What type of molecule is shown here:

Carbohydrate
Lipid
Nucleotide
Amino acid

Question 8: The molecule shown here is: _________________

a carbohydrate
an amino acid
a lipid
a nucleotide

Question 9: What type of molecule is shown here:

Carbohydrate
Lipid
Nucleotide
Amino acid

Question 10: Which of the following molecules is hydrophobic?

food coloring
table salt
olive oil.