1.4 Protein Synthesis

Which two processes are involved in protein synthesis?

• Replication and Transcription

• Replication and Translation

• Transcription and Translation

• Copying and Transcription

Which of the following molecules is made during transcription?

• DNA

• tRNA

• protein

• mRNA

Which of the following bases is found only in RNA?

• Adenine (A)

• Guanine (G)

• Thymine (T)

• Uracil (U)

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

• amino RNA

• ribosomal RNA (rRNA)

• messenger RNA (mRNA)

• transfer RNA (tRNA)

What are the three base segments of mRNA called?

• anticodons

• codons

• triplets

• atgc

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

• TTC  GAA  ACG

• UUC  GAA ACG

• TTC  GUU  UCG

• UUC  GUU  UCG

What would be the complementary DNA strand for the following nucleotide sequence?
TCG ATA CGA

• AGC ATA GCT

• AGC TAT GCT

• AGC UAU GCU

• UGC TUT GCT

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

Which of the following best describes a DNA molecule?

• double stranded

• single stranded

• made of amino acids

• contains Uracil

Cytosine (C) always pairs with

• Adenine (A)

• Thymine (T)

• Guanine (G)

• Uracil (U)