jfnelo

Question 1

any factor which causes a mutation is called a

Answer 1

mutagen

Question 2

a gene mutation where one nucleotide is replaced by a different nucleotide

Answer 2

substitution

Question 3

DNA and RNA are both types of

Answer 3

nucleic acid

Question 4

this type of RNA is used in the ribosome during protein synthesis

Answer 4

rRNA

Question 5

the process of DNA making copies of itself

Answer 5

replication

Question 6

the first phase of translation where the mRNA and first tRna join up with a small ribosomal sub unit is

Answer 6

initiation

Question 7

Dna is found in _____ of eukaryotic cells

Answer 7

nucleus

Question 8

many ribosomes can be translating a single mRNA strand at the same time this unit is called a

Answer 8

polysome

Question 9

the enzyme that adds nucleotides to the growing strand during transcription

Answer 9

RNA polymerase

Question 10

a nitrogenous base with double ring structure

Answer 10

purines

Question 11

protein associate with DNA to form chromosomes

Answer 11

histones

Question 12

the enzyme that unzips the DNA strand during replication

Answer 12

helices

Question 13

a DNA subunit made up of 3 components

Answer 13

nucleotide

Question 14

the three letter sequence on tRNA that is complimentary to an mRNA codon

Answer 14

anti codon

Question 15

this type of RNA delivers amino acids to the ribosomes

Answer 15

tRNA