
14.2 Ribosomes and Protein Synthesis
Quiz by Zhao
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- Q1
Proteins are made by joining amino acids together into chains called ____________.
polypeptides
30s - Q2
_________ different amino acids are commonly found in polypeptides.
22
19
21
20
30s - Q3
The genetic code is read ________ bases at a time.
4
1
2
3
30s - Q4
A codon consists of three consecutive bases that specify a single _____________ to be added to the polypeptide chain
Users re-arrange answers into correct orderJumble30s - Q5
Most amino acids can be specified by only one codon.
falsetrueTrue or False30s - Q6
The methionine codon AUG also serves as the initiation, or ___________ for protein synthesis.
"start," codon
30s - Q7
___________ use the sequence of codons in mRNA to assemble amino acids into polypeptide chains.
Users re-arrange answers into correct orderJumble30s - Q8
The decoding of an mRNA message into a protein is a process known as _________.
Users re-arrange answers into correct orderJumble30s - Q9
Each tRNA molecule carries just one kind of amino acid. In addition, each tRNA molecule has three unpaired bases that are together called an __________.
anticodon
30s - Q10
If that next codon is UAG, a tRNA molecule with an_____ anticodon fits against the MRNA molecule held in the riboSome.
Users enter free textType an Answer30s - Q11
The polypeptide chain continues to grow until the ribosome reaches a _____________ on the MRNA molecule. Then it releases both the newly synthesized polypeptide and the mRNA molecule.
"stop" codon
30s - Q12
One of the most interesting discoveries of molecular biology is the near-universal nature of the ____________.
genetic code
30s - Q13
___________________ provides a way to understand the links between genes and the characteristics they influence.
Molecular biology
30s