Replication, Transcription, and Translation

Which statement correctly describes the sequence of bases found in DNA?

• It changes every time it replicates

• It is exactly the same in all organisms

• It directly controls the synthesis of starch within a cell

• It determines the characteristics that will be inherited

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A DNA nucleotide may contain

• ribose, uracil, and a polypeptide

• deoxyribose, thymine, and a phosphate group

• deoxyribose, cytosine, and a lipid

• ribose, adenine, and thymine

Tags

NGSS.HS-LS1-1

Which processes occurs in the nucleus?

• DNA replication

• transcription

• translation

• digestion

Tags

NGSS.HS-LS1-1

What is the product of transcription?

• two complementary strands of DNA

• a chain of amino acids

• a strand of DNA

• a strand of RNA

If a portion of a mRNA molecule contains the base sequence A-A-U, the corresponding tRNA base sequence is

• T-T-C

• G-G-T

• U-U-A

• A-A-U

Which base is normally used in the synthesis of RNA but not in the synthesis of DNA?

• uracil

• cytosine

• adenine

• guanine

The types of enzymes produced in a cell are regulated by the

• shape of DNA molecules

• size of nucleotides in DNA molecules

• order of nucleotides in DNA molecules

• location of DNA molecules

Tags

NGSS.HS-LS1-1

One similarity between DNA and mRNA molecules is that they both contain

• the same sugar

• genetic codes based on sequences

• double-stranded polymers

• a nitrogenous base known as uracil

What is the first stage in the production of a protein molecule

• tRNA molecules bring amino acids to the ribosome

• DNA molecules serve as templates for mRNA

• mRNA molecules move to ribosomes

• polypeptides are formed on ribosomes

Tags

NGSS.HS-LS1-1

What is the last stage in the production of protein molecules?

• tRNA bring amino acids to the ribosome

• DNA molecules serve as templates for mRNA

• mRNA moves to the ribosomes

• polypeptides are formed on ribosomes