Molecular Biology

Q. Which two processes are involved in protein synthesis?

• Replication and Transcription

• Transcription and Translation

• Replication and Translation

Q. Which of the following bases is found only in RNA?

• Adenine

• Thymine

• Guanine

• Uracil

Q. Transcribe the following sequence of DNA into RNA:

AAG   CTT   TGC

• TTC  GUU  UCG

• TTC  GAA  ACG

• UUC  GUU  UCG

• UUC  GAA ACG

Q. Which of the following would be a DNA nucleotide?

• phosphate, deoxyribose, uracil

• phosphate, ribose, uracil

• phosphate, deoxyribose, thymine

• phosphate, ribose, thymine

Which of the following terms means that in each molecule of DNA made during replication there is one original strand and one new strand?

• Antiparallel

• Semi-conservative

• Complementary base-pairing

Q. 

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

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

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

• Information in DNA is formed into protein directly.

• Information in RNA uses thermal energy to make protein

Tags

NGSS.HS-LS1-1

Which of the following molecules is made during transcription?

• DNA

• protein

• tRNA

• mRNA

 What are the three base segments of mRNA called?

• anticodons

• triplets

• codons

Which of the following best describes a DNA molecule?

• double helix

• made of amino acids

• contains ribose

• contains Uracil

Tags

NGSS.HS-LS1-1

DNA is a polymer made of:

• Nucleotides

• Purines

• Ribosomes

• Pyrimidines