DNA Structure and Replication

Where does DNA replication take place?

• ribosomes

• mitochondria

• nucleus

• cell membrane

What are the four bases of DNA?

• AGCU

• TGCU

• AGCT

• UTAH

What are the four bases of RNA?

• AGCU

• TCAG

• ATUG

• CGUT

which nitrogenous bases pairs with adenine?

• guanine

• cytosine

• thymine

• adenine

which nitrogenous bases pairs with guanine?

• guanine

• cytosine

• thymine

• adenine

If 30% of the bases in a DNA sequence are thymine, what percentage are adenine?

• 30

• 20

• 40

• 60

If 30% of the bases in a DNA sequence are thymine, what percentage are guanine?

• 30

• 20

• 40

• 60

DNA strands run _______________ in relation to each other

• parallel

• antiparallel

• perpendicular

What type of macromolecule are DNA and RNA?

• carbohydrate

• nucleic acid

• protein

• lipid

If one strand of a DNA molecule has the sequence AAGCTCAAT

• TTCGAGTTA

• AAGCTCAAT

• UUCGAGUUA

• TAACTCGAA