Rna And Dna

Question 1

DNA does what 4 things

Answer 1

Stores hereditary info, thymine, double helix, deoxyribose sugar

Question 2

RNA has what 4 things

Answer 2

Transports hereditary info, uracil, single helix, ribose sugar

Question 3

RNA and DNA have what in common

Answer 3

Guanine, cytosine, adenine

Question 4

mRNA

Answer 4

Carries copies of instructions for assembly of amino acids into proteins

Question 5

tRNA

Answer 5

Transfers each amino acid to ribosome in mRNA

Question 6

rRNA

Answer 6

Makes up part of the ribosome

Question 7

Genes

Answer 7

Segments of DNA

Question 8

Codon

Answer 8

3 bases of DNA

Question 9

Enzymes

Answer 9

Control all chemical reactions

Question 10

Purines amount of rings and types

Answer 10

Adenine, guanine

Double rings

Question 11

Pyrimidines amount of rings and types

Answer 11

Thymine, cytosine

Single ring

Question 12

Who found DNA

Answer 12

James Watson, Francis Crick, Rosalind Franklin

Question 13

Nitrogen bases are held by what

Answer 13

Weak hydrogen bonds

Question 14

What is the order outside to inside of the nucleus

Answer 14

Nucleus, genes, DNA, chromosomes

Question 15

DNA replication steps

Answer 15

Helicase unzips, primase primes, polymerase connects bases and repairs hydrogen bonds

Question 16

Backbone of DNA

Answer 16

Phosphate and deoxyribose sugar

Question 17

Transcription

Answer 17

DNA-> mRNA

Question 18

Translation

Answer 18

mRNA -> protein

Question 19

Steps of translation

Answer 19

mRNA comes out of nuclear pore, attaches to ribosome, tRNA comes and attaches anticodons to mRNA and starts polypeptide chain

Question 20

How many amino acids are needed for a protein

Answer 20

20

Question 21

All enzymes

Answer 21

Helicase, polymerase, liase, topumerase, primase

Question 22

Helicase

Answer 22

Unzips

Question 23

Liase

Answer 23

Glue

Question 24

Polymerase

Answer 24

Reads DNA and builds onto it

Question 25

Topumerase

Answer 25

Prevents DNA from recoiling onto itself

Question 26

Primase

Answer 26

Initializer

Question 27

Mutations def

Answer 27

Change in DNA sequence

Question 28

Point Mutation types

Answer 28

Substitution, silent, nonsense

Question 29

Substitution mutation

Answer 29

One base substituted

Question 30

Silent mutation

Answer 30

Base change but amino acid doesn’t change

Question 31

Nonsense mutation

Answer 31

Random change to a stop

Question 32

Frameshift mutation types

Answer 32

Addition, deletion