Unit 8 & 9 Review

What does mRNA do?

• stores genetic information in the nucleus

• brings the genetic code from DNA from the nucleus to other parts of the cell

• creates two new DNA molecules

• brings amino acids to help make proteins

What is the complementary DNA strand to the following original DNA strand: 5' GGG TAT CCA TTG CAG 3'?

All organisms use the same amino acids to produce proteins.

• True

• False

In DNA base pairing, adenine pairs with _________ and cytosine pairs with ________.

• thymine, adenine

• uracil, guanine

• thymine, guanine

• guanine, thymine

The DNA of all organisms contains the same four bases: A, T, C, G

• True

• False

Why is DNA considered to be semiconservative after DNA replication?

• It contains two original strands.

• It contains two new strands.

• It contains two new strands and one original strand.

• It contains the original strand and a new strand.

How many new DNA molecules are produced after replication?

• two

• one

• three

• four

Which statements are true about RNA?

• It is only found in the nucleus.

• It contains the base uracil.

• It is double stranded.

• It is single stranded.

What type of chromosomal mutation is this?

• translocation

• substitution

• inversion

• deletion

All DNA contains the same bases that code for the same amino acids in all organisms.

• True

• False

Tags

NGSS.HS-LS1-1