Word Root Quiz Ch. 16 & 17

Question 1

Helic

Answer 1

A spiral

Question 2

Liga

Answer 2

Bound or tied

Question 3

Phage

Answer 3

To eat

Question 4

Semi

Answer 4

Half

Question 5

Telos

Answer 5

An end

Question 6

Trans

Answer 6

Across

Question 7

Anti

Answer 7

Opposite

Question 8

Exo

Answer 8

Out, outside, without

Question 9

Intro

Answer 9

Within

Question 10

Muta

Answer 10

Change

Question 11

Gen

Answer 11

Producing

Question 12

Poly

Answer 12

Many

Question 13

Trans

Answer 13

Across

Question 14

Script

Answer 14

Write

Question 15

Helicase

Answer 15

An enzyme that untwists the double helix of DNA at the replication fork

Question 16

DNA ligase

Answer 16

A linking enzyme of DNA replication

Question 17

Bacteriophages

Answer 17

Viruses that infect bacteria

Question 18

Semiconservative model

Answer 18

Type of DNA replication in which the replicated double helix consists of one old strand, derived from the old molecule, and one newly made strand

Question 19

Telomere

Answer 19

The protective structure at each end of a eukaryotic chromosome

Question 20

Transformation

Answer 20

A phenomenon in which external DNA is assimilated by a cell

Question 21

Anticodon

Answer 21

A specialized base triplet on one end of a tRNA molecule that recognizes a particular complementary codon on an mRNA molecule

Question 22

Exon

Answer 22

A coding region of a eukaryotic gene that is expressed

Question 23

Intron

Answer 23

A noncoding, intervening sequence within a eukaryotic gene

Question 24

Mutagen

Answer 24

A physical or chemical agent that causes mutations

Question 25

Poly (A) tail

Answer 25

The modified end of the 3' end of an mRNA molecule consisting of the addition of some 50-250 adenine nucleotides

Question 26

Transcription

Answer 26

The synthesis of RNA on a DNA template