Protein Synthesis

Which two processes are involved in protein synthesis?

• Replication and Transcription
• Replication and Translation
• Transcription and Translation

Which of the following molecules is made during transcription?

• DNA
• tRNA
• protein
• mRNA

Which of the following bases is found only in RNA?

• Adenine
• Guanine
• Thymine
• Uracil

Which form of RNA carries amino acids from the cytoplasm to the ribosome?

• amino RNA
• ribosomal RNA
• transfer RNA
• messenger RNA

What are the three base segments of mRNA called?

• anticodons
• codons
• triplets

Transcribe the following sequence of DNA into RNA:
AAG   CTT   TGC

• TTC  GAA  ACG
• UUC  GAA ACG
• TTC  GUU  UCG
• UUC  GUU  UCG

Proteins are chains of amino acids bonded together. Which is the correct sequence for making proteins?

• Information is DNA is transferred into RNA and then made into protein

• Information in DNA is formed into protein directly.

• Information in RNA mutates into DNA and then is made into protein

• Information in RNA uses thermal energy to make protein

Cytosine always pairs with

• Adenine
• Thymine
• Uracil
• Guanine

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of

• cytosine
• guanine
• thymine
• uracil

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base
• sugar, oxygen, nitrogen base
• sugar, phosphate, nitrogen base
• sugar, phosphate, protein