transcription and translation

The mRNA codon for the DNA sequence CGA would be

• GCU

• GCT

• CUA

• AGT

Which of the following is not part of protein synthesis?

• Transcription

• Translations

• Replication

• Both transcription and replication

In order for translation to occur, mRNA must migrate from

• the nucleus to the ribosome

• the ribosome to the nucleus

• the rough ER to the ribosome

• the nucleus to the rough ER

Determine the amino acids sequence produced by the DNA sequence

GGA GTT TTC

• Proline, valine, lysine

• Glycine, valine, leucine

• Proline, glutamine, lysine

• Glycine, glutamic acid, leucine

Tags

NGSS.HS-LS1-1

RNA Contains which of the following bases?

• Adenine, Thymine, Guanine, Cytosine

• Adenine, Thymine, Guanine, Uracil

• Adenine, Guanine, Cytosine, Uracil

• Adenine, Thymine, Uracil, Cytosine

Where does transcription occur?

• In the cytoplasm

• In the smooth endoplasmic reticulum

• In the nucleus

• In the mitochondria

A DNA strand with the sequence AAC GTA ACG is transcribed. What is the sequence of the mRNA molecule?

• AAC GTA ACG

• UUG CAU UGC

• AAC GUA ACG

• UUG CAT TGC

Use the following events to answer question

1. mRNA is formed.

2. DNA segment opens (unzips).

3. mRNA attaches to ribosomes.

4. amino acids form peptide bonds.

5. tRNA carries amino acids to mRNA.

The correct order of events required for protein synthesis is:

• 1,2,3,4,5

• 2,1,3,4,5

• 2,1,3,5,4

• 2,1,4,5,3

Tags

NGSS.HS-LS1-1

RNA differs from DNA in that RNA

• Is single stranded

• Contains Uracil

• Contains ribose

• All of the above

Where does translation occur?

• In the nucleus

• In the Smooth Endoplasmic Reticulum

• In the Cytoplasm at the ribosome

• In the Lysosome at the ribosome