SKILL SET 11

The monomers units of DNA and RNA are

• amino acids

• monosaccharides

• nucleotides

• fatty acids

Which of the following enzymes catalyzes the linkage together of RNA nucleotides to form RNA?

• polymerase

• ligase

• ribozyme

• reverse transcriptase

The RNA codon AUG means

• add amino acid methionine

• start the protein here

• add the amino acid tyrosine

• end the polypeptide chain here

The transfer of genetic info from DNA to RNA is called

• translation

• transcription

• initiation

• elongation

When RNA is being made, the RNA base ____ always pairs with the base ___ in DNA.

• U-T

• T-G

• U-A

• A-U

tRNA plays a role in which of the following ?

• picking up the amino acid specified by the anticodon

• recognizing the appropriate codons in mRNA

• translating codons into amino acids

• all of these are correct

Any change in the nucleotide sequence of a gene is called

• a mutation

• a codon

• a translation

• an anticodon

The picture below shows the steps of DNA replication beginning with step one and ending with step three.

​Because you are reusing the old, or parent, DNA strand DNA replication is said to be

• Semi- Conservative

• Semi-discontinuous

• Continuous

• Fully-Conserveative

The picture below shows an enzyme unwinding and unzipping DNA.

​

​What is the name of this enzyme?

• DNA Helicase

• DNA Ligase

• DNA polyermase

• RNA Polymerase

Match he nucleotide with its complementary nucleotide. (DNA to DNA).

Adenine -

• Thymine

• Guanine

• Cytosine