From DNA to Proteins Review

What 3 pieces make up a nucleotide?

• phosphate, sugar, and base

• hydrogen, sugar, and base

• phosphate, hydrogen, and base

• phosphate, sugar, and hydrogen

Two pieces of DNA join together to form a(n)...

• X in a circle

• nucleotide

• double helix

• covalent bond

Tags

NGSS.HS-LS1-1

Which phase of the cell cycle replicates a cells DNA?

• Gap 1

• Synthesis

• Gap 2

• Mitosis

Please REPLICATE the following strand: ATC GCG ATT

• TAG CGC TAA

• ATC GCG ATT

• GCA TAT GCC

• AAT GCG GAT

The main function of tRNA is to

• carry a message

• form the ribosomes

• transfer amino acids

• string together DNA and RNA

The main function of mRNA is to

• carry a message

• form the ribosomes

• transfer amino acids

• string together DNA and RNA

The main function of rRNA is to

• carry a message

• form the ribosomes

• transfer amino acids

• string together DNA and RNA

The central dogma states that information flows from:

• DNA -> RNA -> Proteins

• RNA -> DNA -> Proteins

• Proteins -> DNA -> RNA

• DNA -> Proteins -> RNA

Tags

NGSS.HS-LS1-1

Which phrase best describes transcription?

• converts mRNA into an amino acid chain (protein)

• catalyzes bonds between amino acids

• produces RNA from DNA molecules

• recycles tRNA molecules for reuse

Which of the following is not a difference between DNA and RNA?

• DNA uses Thymine (T) and RNA uses Uracil (U)

• DNA is double stranded while RNA is single stranded

• DNA has a deoxyribose sugar while RNA has a ribose sugar

• DNA is found in the cytoplasm while RNA is found in the nucleus