Which type of RNA carries amino acids to the ribosome?
tRNA
What are nonsense mutations?
a mutation that results in a stop codon in the middle of mRNA
Which of the following processes results in two DNA molecules: one consists of two new DNA chains and another of two old DNA chains (read this question to the end and think)?
A) transcription
B) translation
C) replication
D) none of the above
D
Translation is________
protein synthesis
Where does splicing occur?
in the nucleus
What contains an anticodon?
tRNA
Which of the following is true about the genetic code?
A) More than one codon codes for most amino acids
B) One codon can correspond to several different amino acids
C) Different species have different genetic codes
D) A nucleotide change in mRNA always r
A
Where does the protein synthesis take place?
at the ribosomes at rough ER
Where does translation happen?
on the surface of rough ER
What type of mutation does not affect amino acid sequence?
neutral mutation
Which of the following is not true about ribosomes?
A) Ribosomes contain protein
B) Ribosomes contain RNA
C) Ribosomes can synthesize proteins
D) Ribosomes are enclosed in a phospholipid membrane
E) Ribosomes are located at the rough ER
D
What makes proteins out of amino acid monomers?
ribosome
What is splicing?
removing introns from RNA and sealing exons together