Nucleic Acids

Question 1

• Nucleic Acids

Answer 1

 Information molecules

 Carry information inside cells

Question 2

o Two main varieties

Nucleic Acids

Answer 2

 DNA

 RNA

Question 3

DNA

Answer 3

 Short lived copies of genetic information made in the form of RNA
 Used to direct the synthesis of proteins
• Process of gene expression

Question 4

o RNA

Answer 4

• More complicated than DNA

* Responsible for protein synthesis

Question 5

 Messenger RNA

Answer 5

• Carrier of information

* Transcribed single-stranded copies of portion of DNA

Question 6

o Nucleic acids consist of

Answer 6

 Long polymer of repeating subunits called nucleotides

Question 7

o Nucleotides consist of three components

Answer 7

Pentose
Phosphate group
Phosphodiester bond

Question 8

 Polynucleotides

Answer 8

• Polar
• Phosphate on one end
• -OH from sugar on the other

Question 9

Purines

Answer 9

 A and G

Question 10

o Pyrimidines

Answer 10

	C
•	DNA and RNA
	T 
•	DNA
	U
•	RNA

Question 11

DNA (Structure)

Answer 11

• Two polynucleotide chains wrapped about each other in a long linear molecule in eukaryotes and circular molecule in prokaryotes

Question 12

Base Pair

Answer 12

 Base in one chain attracted by hydrogen bonds to a base opposite

Question 13

• Complementary

Answer 13

o Bases that participate in base-pairing

Question 14

• Chromosome

Answer 14

o Protein in eukaryotic organisms

Question 15

• mRNA

Answer 15

o	Carries information
o	Part of ribosome
	Ribosomal RNA (rRNA)
o	Carries amino acids
	Transfer RNA (tRNA)

Question 16

 ATP

Answer 16

• Energy currency of the cell
o Drive energetically unfavorable chemical reactions
o Power transport across membranes
o Power the movement of cells

Question 17

 Nicotinamide adenine dinucleotide (NAD) and flavin adenine dinucleotide (FAD)

Answer 17

• Electron carriers