3.11 RNA and DNA

Question 1

DNA is the master blueprint of this

Answer 1

Protein synthesis

Question 2

Segment of DNA w/blueprint for one polypeptide chain (20-25k for humans)

Answer 2

Gene

Question 3

Three sequential DNA nitrogen bases form genetic library

Answer 3

Triplets

Question 4

carries instructions for building a polypeptide, from gene in DNA to ribosomes in cytoplasm

Answer 4

mRNA (messenger)

Question 5

structural component of ribosomes that, along with tRNA, helps translate message from mRNA

Answer 5

rRNA (ribosomal)

Question 6

bind to amino acids and pair w/bases of codons of mRNA at ribosome to begin process of protein synthesis

Answer 6

tRNA (transfer)

Question 7

DNA information coded in mRNA

Answer 7

Transcription

Question 8

mRNA decoded to assemble polypeptides

Answer 8

Translation

Question 9

Combines in a complex with proteins to make the large and small subunits of a ribosome

Answer 9

rRNA

Question 10

Carries genetic instructions from the nucleus to the site of protein synthesis

Answer 10

mRNA

Question 11

Uses an anticodon to guide its attached amino acid to the complementary codon on the mRNA at the ribosome

Answer 11

tRNA

Question 12

a change in the sequence of bases in DNA

Answer 12

Point mutation