V. DNA & Protein Synthesis

The name of the entire molecule shown in the diagram to the right is ....

• deoxyribonucleic acid (DNA) molecule

• amino acid

• ribonucleic acid (RNA) molecule

• protein

In the picture, the dashed lines represent.....

• deoxyribonucleic acid (DNA) molecules

• hydrogen bonds

• nitrogen base pairs

• sugar-phosphate backbones

Which of the following make up a nucleotide?

• sugar, phosphate groups, & adenine

• deoxyribose, phosphate groups, & RNA

• sugar, guanine & cytosine

• sugar, phosphate, & base

1) Messenger RNA attaches to a ribosome

2) DNA serves as a template for RNA production

3) Transfer RNA bonds to a specific codon

4) Amino acids are bonded together

5) RNA moves from the nucleus to the cytoplasm

The correct order of these events is...

• 2>5>1>3>4

• 4>1>5>3>2

• 2>3>5>4>1

• 3>2>1>5>4

Genetic differences are determine by differences in DNA ____________.

• sugars

• phosphates

• nitrogen bases

In DNA, which bases pair correctly?

• A with T, C with A

• A with G, C with T

• A with T, C with G

• A with U, C with G

Which base is replaced in RNA?

A pairs with _________ in RNA.

• Uracil

• Thymine

• Cytosine

• Guanine

• Adenine

What is the complementary DNA strand for this sequence?

3' TAC CAT CCC GGC ACT 5'

• 5' AUG GUA GGG CCG UGA 3'

• 5' TAC CAT CCC GGC ACT 3'

• 5' ATG GTA GGG CCG TGA 3'

• 5' UAC CAU CCC GGC ACU 3'

Crossword 2 ACROSS:

The nitrogen base only found in DNA

• adenine

• thymine

• cytosine

• guanine

• uracil

CROSSWORD 3 Across:

What is made through the genetic code provided by DNA?

• nucleic acid

• protein

• carbohydrates

• deoxyribose sugar