Unit 5 Vocab Quiz

Question 1

RNA

Answer 1

single stranded nucleic acids that contains the sugar ribose

Question 2

Intron

Answer 2

sequence of DNA is not involved in coding for a protein

Question 3

Codon

Answer 3

group of 3 nucleotides bases in mRNA that specify a particular amino acid

Question 4

DNA polymerase

Answer 4

principle enzyme involved in DNA replication

Question 5

rRNA

Answer 5

types of RNA that combines with proteins to from ribosomes

Question 6

Base pairing

Answer 6

principle that bonds in DNA can form only between adenine and thymine and between guanine and cytosine

Question 7

Transcription

Answer 7

synthesis of RNA molecule from a DNA template

Question 8

tRNA

Answer 8

type of RNA that carries each amino acid to a ribosome during protein synthesis

Question 9

Mutation

Answer 9

change in the genetic material of a cell

Question 10

Anti codon

Answer 10

group of 3 bases on a tRNA molecule that are complementary to the 3 bases of mRNA codons

Question 11

RNA polymerase

Answer 11

enzyme that links together chan of RNA nucleotides during transcription

Question 12

mRNA

Answer 12

type of RNA that carries copies of instructions for assembly of amino acids into proteins DNA to the cell

Question 13

Differentation

Answer 13

process in which cells become specialized in structure and function

Question 14

Promoter

Answer 14

specific region of a gene where RNA polymerase can bind and begin transcription

Question 15

Translation

Answer 15

process by which the bases of mRNA is converted into the sequence of an amino acid if a protein

Question 16

Replication

Answer 16

process of copying DNA prior to cell division

Question 17

Mutagen

Answer 17

physical agent in the environment that interacts with DNA and may cause mutation

Question 18

Exon

Answer 18

expressed sequence of DNA; codes for a protein