DNA _ RNA Quiz

DNA replication makes a(n) ________ copy of the DNA strand, while transcription makes a(n) ________ copy of the DNA strand.

• DNA; mRNA

• DNA; tRNA

• mRNA; DNA

• mRNA; tRNA

According to Chargaff's data, ________ must pair with ________, and ________ must pair with ________.

• C; T

  G; A

• A; G

  T; C

• A; T

  C; G

• A; C

  G; T

DNA replication is called semiconservative because

• each new DNA molecule consists of one old strand and one new strand

• both strands of the original DNA remain together

• the new DNA molecules are completely new

• DNA replication occurs only partially

The central dogma of molecular biology states that the information contained within genes flows in which direction?

• RNA to ribosomes to proteins to DNA

• RNA to DNA to protein

• DNA to RNA to protein

Tags

NGSS.HS-LS1-1

According to Chargaff's rule, if a strand of DNA has 20% of cytosine, what percent will be adenine?

• 40%

• 30%

• 60%

• 20%

If an organism's DNA contains 40% adenine nucleotides, what percentage of its DNA is composed of thymine nucleotides?

• 10%

• 15%

• 20%

• 30%

• 40%

Which of the following processes takes place in the cytoplasm?

• DNA replication

• transcription

• translation

• intron removal

The sequence of amino acids that would result from transcribing and translating a DNA template strand with the bases TACGCTAAT would be:

• Met-Arg-Leu

• Ile-Ser-Val

• Tyr-Ala-Asn

• Tyr-Ser-Val

Tags

NGSS.HS-LS1-1

Information within DNA and RNA is contained within the sequence of the ______. When DNA is ______ into mRNA, each set of three nucleotides, also called ______, code for specific ______

• nucleotides; transcribed;

  codons;

  amino acids

• nucleotides; translated; anticodons;

  amino acids

• amino acids; replicated;

  codons;

  nucleotides

• codons;

  transcribed;

  amino acids; nucleotides

Tags

NGSS.HS-LS1-1

Match the following term with definition:

• The second phase includes the polypeptide chain increases in length one amino acid at a time.

• elongation

• The first phase of translation that brings together mRNA and tRNA complex

• termination

• The final phase occurs when a stop codon appears.

• initiation