Unit 6 Review (protein synthesis)

Given the following DNA strand, what is its complementary strand?

A G C A T C

• T C G T A G

• U C G U A G

• G A T G C T

• G A U G C U

Given the following DNA strand, what would be its transcribed mRNA strand?

A G C A T C

• T C G T A G

• U C G U A G

• G A T G C T

• G A U G C U

If a chemical is injected into a cell and it affects the ribosome, what process will be interrupted?

• cellular respiration

• photosynthesis

• protein synthesis

• DNA replication

What structure is labeled X?

• sugar

• phosphate

• nucleotide

• nitrogen base

Structures X, Y, and Z represent a nucleotide of a double-stranded DNA molecule.

• True

• False

What does structure Z represent?

• sugar

• phosphate

• nucleotide

• nitrogen base

A scientist performs an experiment in which she finds a number of anticodons in a cell's cytoplasm. What substance did she find?

• mRNA

• tRNA

• DNA

• rRNA

Based on these results whose blood was found in the blood stain at the crime scene?

• Bob

• Sue

• John

• Lisa

What causes cell differentiation?

• Only specific parts of the DNA are activated.

• The DNA has genes that are expressed the same way.

• The DNA is different in each type of cell.

• Some cells are more or less DNA than others.

Which of the following is a difference between RNA and DNA?

• RNA is single stranded while DNA is double stranded.

• The sugar is RNA is ribose, while the sugar is DNA is deoxyribose.

• RNA contains uracil, while DNA contains thymine.

• All of them.