Biology assistance needed ASAP

Question 1

Select one answer.10 pointsHow many phosphate groups does ATP have?

1. 1
2. 2
3. 3
4. 4

Question 2

Select one answer.10 pointsDoes the DNA in the skin cell have the same backbone as DNA in the brain cell of the same organism?

1. Yes, the backbones of DNA are different for each person, but within the organism – they are the same in all cells.
2. No, the backbones will be different in each cell type.
3. Yes, all backbones of ALL DNA molecules are the same.
4. No, the backbones will be different because of mutations.

Question 3

Select one answer.10 pointsThis is an image of

1. Ribose pyrimidine
2. Deoxyribose purine
3. Deoxyribose pyrimidines
4. Ribose purine

Question 4

Select one answer.10 pointsWhich labeled region is the base?

1. Green
2. Blue
3. Red

Question 5

Select one answer.10 pointsWhich of these is NOT a difference between DNA and RNA?

1. DNA tends to be double stranded, while RNA tends to be single stranded
2. RNA uses the base thymine while DNA uses the base uracil.
3. DNA uses the sugar deoxyribose while RNA uses the sugar ribose.
4. All of these are differences between DNA and RNA.

Question 6

Select one answer.10 pointsWhich nucleotide is at the 3’ end of this nucleic acid?

1. T
2. A
3. C
4. G

Question 7

Select one answer.10 pointsWhat type of molecule is shown here:

1. Carbohydrate
2. Lipid
3. Nucleotide
4. Amino acid

Question 8

Select one answer.10 pointsThe molecule shown here is: _________________

1. a carbohydrate
2. an amino acid
3. a lipid
4. a nucleotide

Question 9

Select one answer.10 pointsWhat type of molecule is shown here:

1. Carbohydrate
2. Lipid
3. Nucleotide
4. Amino acid

Question 10

Select one answer.10 pointsWhich of the following molecules is hydrophobic?

1. food coloring
2. table salt
3. olive oil