jfnelo Flashcards

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1
Q

any factor which causes a mutation is called a

A

mutagen

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2
Q

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

A

substitution

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3
Q

DNA and RNA are both types of

A

nucleic acid

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4
Q

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

A

rRNA

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5
Q

the process of DNA making copies of itself

A

replication

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6
Q

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

A

initiation

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7
Q

Dna is found in _____ of eukaryotic cells

A

nucleus

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8
Q

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

A

polysome

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9
Q

the enzyme that adds nucleotides to the growing strand during transcription

A

RNA polymerase

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10
Q

a nitrogenous base with double ring structure

A

purines

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11
Q

protein associate with DNA to form chromosomes

A

histones

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12
Q

the enzyme that unzips the DNA strand during replication

A

helices

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13
Q

a DNA subunit made up of 3 components

A

nucleotide

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14
Q

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

A

anti codon

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15
Q

this type of RNA delivers amino acids to the ribosomes

A

tRNA

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