4.2.9 Formative Assessment

Multiple Choice Questions:

 

____ 1. Unlike DNA, RNA contains

a.

adenine.

b.

uracil.

c.

phosphate groups.

d.

thymine.

____ 2. Which type of RNA brings the information in the genetic code from the nucleus to other parts of the cell?

a.

rRNA

b.

tRNA

c.

mRNA

d.

RNA polymerase

____ 3. What happens during translation?

a.

Messenger RNA is made from a DNA code.

b.

The cell uses a messenger RNA code to make proteins.

c.

Transfer RNA is made from a messenger RNA code.

d.

Copies of DNA molecules are made.

____ 4. Genes contain instructions for assembling

a.

DNA

b.

RNA

c.

proteins.

d.

mutagens.

 

 

____ 5. Which is the correct sequence of the transfer of information in most organisms?

a.

protein to DNA to RNA

b.

RNA to DNA to protein

c.

DNA to RNA to protein

d.

RNA to protein to DNA

 

 

____ 6. In cells with a nucleus,

a.

Transcription takes place in the cytoplasm, and translation takes place in the nucleus.

b.

Transcription takes place in the nucleus, and translation takes place at the ribosome in the cytoplasm.

c.

Transcription and translation both take place in the nucleus.

d.

Transcription and translation both take place at the ribosomes in the cytoplasm.


Short Answer questions

7. A gene has the following base sequence;

         GAC AAG TCC ACA ATC

         

Write the sequence of the mRNA molecule transcribed from this gene.

_____________________________________________________

         

Use the chart below to write the amino acid sequence of the protein.

_____________________________________________________

Codons_aminoacids_table by Onie / CC BY-SA 3.0