Biology 12.2

Multiple Choice

All nucleotides contain each of the following EXCEPT a

• protein

• nitrogenous base

• sugar

• phosphate group

Multiple Choice

In base pairing between DNA strands, hydrogen bonds are formed between

• adenine & thymine

• adenine & guanine

• guanine & thymine

• a

Multiple Choice

The technique Franklin used to study DNA was

• X-Ray diffraction

• radioactive markers

• transformation

• chromatography

Multiple Choice

If one strand of DNA has the sequence of nitrogenous bases AACTG, its complementary strand has the sequence

• AACTG

• TTGAC

• TAUCG

• AACUC

Multiple Choice

Nucleotides are joined together to form the DNA chain by links between

• deoxyribose molecules & phosphate groups

• adenine & thymine nitrogenous bases

• phosphate groups & guanine nitrogenous bases

• adenine nitrogenous bases & phosphate groups