AP Biology DNA

Primary functions of DNA are (mark all that apply)

• Transmit information on heredity from one generation to the next

• Control cellular respiration

• Regulate homeostasis

• Provide a blueprint for making proteins

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base

• sugar, oxygen, nitrogen base

• sugar, phosphate, nitrogen base

• sugar, phosphate, protein

Adenine and Thymine are held together by ____ hydrogen bonds, while cytosine and guanine are held together by ___ hydrogen bonds.

• 1,2

• 3,2

• 2,3

• 1,2

These are the "larger", double-ringed bases such as adenine and guanine.

• complementary

•  cytosine

• purine

• pyrimidine

Which of the following statements is true?

• DNA is single-stranded

• RNA is single-stranded

• DNA contains uracil

• RNA contains deoxyribose

Deoxyribonucleic acid (DNA) is a type of _

• Nucleic acid

• Protein

• Carbohydrate

• Lipid

_ are the monomers of DNA

• Nucleotides

• Monosaccharides

• Amino acids

• Deoxyribose

• Bases

Which of the following are components of DNA nucleotides? Select 3

• Deoxyribose

• Ribose

• Phosphate group

• Base

• Side chain/R group

DNA molecules have _ charge due to the presence of phosphate groups in its nucleotides

• Negative

• Positive

• Neutral

What are the different nitrogenous bases found in DNA nucleotides? Select 4

• Adenine (A)

• Thymine (T)

• Cytosine (C)

• Guanine (G)

• Uracil (U)