DNA

Question 1

The nucleotide used in RNA instead of thymine

Answer 1

Uracil

Question 2

Made the discovery that the percentage of A was always equal to T and G was equal to C

Answer 2

Erwin Chargaff

Question 3

Unwinds the DNA molecule allowing it to be replicated

Answer 3

Helicase

Question 4

Where does translation occur inside the cell

Answer 4

Cytoplasm

Question 5

Enzyme that lays down individual nucleotides in a 5’ to 3’ direction

Answer 5

DNA polymerse III

Question 6

Changes in the genetic material

Answer 6

Mutations

Question 7

This persons famous photo 51 contributed to the discovery of the structure of DNA

Answer 7

Rosalind Franklin

Question 8

The molecular machine that attaches to the strand of mRNA to help produce string of amino acids

Answer 8

Ribosome

Question 9

Synthesizes a shorts sequence of RNA that serves as a starting point for replicating a DNA strand

Answer 9

Primase

Question 10

Changes in the DNA involved one or a few nucloetides

Answer 10

Point mutations

Question 11

Three-letter sequence of mRNA used to specify a certain amino acid

Answer 11

condon

Question 12

Inversion and translocation are examples of

Answer 12

Chromosomal mutations

Question 13

This British scientist was using the technique of x-ray crystallography which later lead to the discovery of DNA’s structure

Answer 13

Maurice Wilkins

Question 14

AUG

Answer 14

Methonine or start condon

Question 15

These specialized protiens aid in the formation of chromosomes

Answer 15

histones

Question 16

Unique short segments synthesized discontinuously on the lagging strand during DNA replication

Answer 16

Okazaki fragments

Question 17

The genetic code in mRNA contains instructions for making

Answer 17

Protiens

Question 18

Reponsible for binding the fragments of DNA together at the end of replication

Answer 18

DNA Ligase

Question 19

The part of tRNA that is complementary to the three-letter sequence on mRNA

Answer 19

anticodon

Question 20

The three parts of RNA

Answer 20

mRNA, tRNA, rRNA

Question 21

A mutation caused by the insertion or deletion of a nucleotide but not by a substitution

Answer 21

Frameshift mutation

Question 22

This two-man team of scientists credited with the discovering the structure of DNA

Answer 22

James Watson and Francis Crick

Question 23

DNA stands for

Answer 23

Deoxyribonucleic acid

Question 24

A prymidine is recognised by this characterisic

Answer 24

One Ring

Question 25

In what year was the structure of DNA discovered

Answer 25

1953

Question 26

During DNA replication, the strand that adds new nucleotieds continuously

Answer 26

leading strand

Question 27

Another name for the support structure that holds the DNA base pairs

Answer 27

Sugar- Phosphate Backbone

Question 28

Which complementary base pair is held together with 2 bonds

Answer 28

Adenine and thymine

Question 29

3 parts of a single monomer

Answer 29

Phosphate group, Deoxyribose sugar, Nitrogenous base

Question 30

What holds the complementary base pairs together

Answer 30

hydrogen bonds

Question 31

Purines

Answer 31

Adenine and Guanine

Question 32

Basic structures of nucleotides and their parts

Answer 32

Levene

Question 33

Parental strands of DNA separate and serve as templates Produce DNA molecules that have parental and new DNA

Answer 33

Semi-consevative process