DNA Structure and Replication

Which of the following is found in the cells of all living things?

• chloroplasts

• nucleus

• mitochondrion

• genetic material

Tags

NGSS.MS-LS1-1

Which of the following molecules holds the information needed to direct cellular processes?

• phenylalanine

• adenosine triphosphate

• chlorophyll

• deoxyribonucleic acid

Tags

NGSS.HS-LS1-1

The information in DNA is written according to the genetic code and carried by the -

• sequence of nitrogen bases/nucleotides

• direction of the phosphate groups

• hydrogen bonds between nitrogen bases

• enzymes which unwind the double helix

Tags

NGSS.HS-LS1-1

What do we call the shape a DNA molecule takes?

• double-stranded

• double helix

• sugar-phosphate backbone

• pentagon

What are the names of the large structures of DNA which are used to package the genetic information within cells?

• enzymes

• ribosomes

• chromosomes

• vitamins

Tags

NGSS.HS-LS3-1

Which of the following is the correct pairing of nitrogen bases?

• A-T, G-C

• A-G, T-C

• A-C, G-T

• A-A, T-T

What is the appropriate base pairing sequence to match this strand?

5' ATGTTCACT 3'

• 3' ATGTTCACT 5'

• 3' TACAAGTGA 5'

• 3' TCACTTGTA 5'

• 3' ATGTTGAGT 5'

True or False: The genetic code is different for every organism.

• True

• False

Which numbered component is a nucleotide?

• 1

• 2

• 3

• 4

Which numbered component is a deoxyribose sugar?

• 1

• 2

• 3

• 4