Vocab

Question 0

Nitrogen containing base

Answer 0

molecule containing nitrogen part of DNA nucleotide

Question 1

deoxyribose

Answer 1

a sugar molecule part of the DNA nucleotide

Question 2

Purines

Answer 2

Two ringed carbon and nitrogen bases

Question 3

Pyrimidines

Answer 3

One ringed carbon and nitrogen bases

Question 4

Double Helix

Answer 4

DNAs shape

Question 5

Francis Crick and James Watson

Answer 5

Constructed the DNS model

Question 6

Rosalind Franklin&Maurice Wilkins

Answer 6

Constructed Xray photographs of DNA crystals

Question 7

Hydrogen Bonds

Answer 7

Help hold two chains of DNA together

Question 8

Complementary base pairs

Answer 8

DNA pairs normally in normal conditions

Question 9

Replication

Answer 9

process of copying DNA in cell

Question 10

Replication Fork

Answer 10

Point at which two chains seperste

Question 11

Helicase

Answer 11

Chains separate by enzymes

Question 12

DNA polymerase

Answer 12

enzymes binded to separate chains of DNA

Question 13

Mutations

Answer 13

change in nucleotide sequence

Question 14

RNA

Answer 14

nucleic acid made up of repeating nucleotides

Question 15

Ribose

Answer 15

Sugars molecule of every RNA nucleotide

Question 16

Uracil

Answer 16

nitrogen containing base usually replaces thymine in RNA

Question 17

messenger RNA

Answer 17

RNA nucleotides in single uncouled chain

Question 18

Ribosomal RNA

Answer 18

most abundant form of RNA

Question 19

Transcription

Answer 19

Senetic info is copied from DNA to RNA

Question 20

RNA polymerase

Answer 20

primary transcription enzyme synthesis RNA copies of specific sequence of DNA

Question 21

Promoters

Answer 21

RNA polymerase initiates RNA transcription

Question 22

Termination signal

Answer 22

transcripts continues one nucleotide at a time until RNA

Question 23

Polypeptides

Answer 23

chain of 3 amino acids linked together by peptide bond

Question 24

Protiens

Answer 24

one or more polypeptides each of which consists of specific sequence of amino acids

Question 25

Genetic Code

Answer 25

used by most organisms to translate RNA to transcript protiens

Question 26

Codon

Answer 26

each combination of 3 mRNA nucleotides

Question 27

Start Codon

Answer 27

Engages ribosomes to start translating n mRNA molecule

Question 28

Stop Codon

Answer 28

Cause ribosomes to stop translating an mRNA

Question 29

Translation

Answer 29

process of assembling polypeptides from info encoded w mRNA

Question 30

Anticodon

Answer 30

loop opposite site of amino acid attachment bears a sequence of 3 nucleotides

Question 31

Ribosomes

Answer 31

composed of mRNA and protiens are both free in the cytosol and attached to the ER