BioChemistry Nucleotides and Nucleic Acids (10%)

Question 1

These bonded together create the nucleic acids DNA and RNA

Answer 1

Nucleotides

Question 2

The three components of a Nucleuotide

Answer 2

Phosphate
Sugar (DNA,RNA)
Nitrogenous Base (Purines, Pyrimidines)

Question 3

What is the bond called between Nucleotides within one strand

Answer 3

Phosphodiester

Question 4

What are the bonds called between Base pairs

Answer 4

Hydrogen

Question 5

Where does DNA replication take place

Answer 5

Nucleus

Question 6

DNA doubles from

Answer 6

46 to 92

Question 7

What is the enzyme that unwinds DNA strands

Answer 7

Topoisomerase

Question 8

What is the enzyme that makes new DNA from the parent DNA strand

Answer 8

DNA Polymerase

Question 9

What does mitosis do to DNA

Answer 9

Splits the doubled 92 strand into two 46 daughter strands

Question 10

Where does RNA synthesis take place

Answer 10

Nucleolus

Question 11

Which segment unwinds for RNA transcription

Answer 11

Only the specific segment of DNA with the spefici region to be transcribed unwinds

Question 12

Which enzyme binds to the promoter site and begins to make RNA primer strand from the DNA template

Answer 12

RNA Polymerase

Question 13

What is the section called on the DNA where RNA polymerase will stop

Answer 13

Termination Sequence

Question 14

After transcription, RNA will travel to

Answer 14

cytoplasm

Question 15

This type of RNA Holds the information to determine AA sequence order

Answer 15

mRNA

Question 16

This type of RNA is the main component of the ribosomal unit which moves along mRNA

Answer 16

rRNA

Question 17

This type of RNA jumps on and off the rRNA, carrying the AA with it

Answer 17

tRNA

Question 18

Start codon for translation

Answer 18

AUG

Question 19

Stop codons for tranlation

Answer 19

UAA
UAG
UGA