Nucleotides & Nucleic Acids Definitions

Question 1

Nucleotide

Answer 1

A molecule containing a:

• Pentose ring
• Purine or pyrimidine base
• One to three phosphates

Question 2

Ribonucleic Acid (RNA)

Answer 2

Contains hydroxyl group

Question 3

Nucleic Acid

Answer 3

Nucleotides connected by phosphodiester bonds

Question 4

Deoxyribonucleic Acid (DNA)

Answer 4

Lacks hydroxyl group

Question 5

Tertiary Structure

Answer 5

Double Helix

Question 6

Quaternary Structure

Answer 6

Strands and Proteins create complex structures

Question 7

Adenine

Answer 7

DNA Base (Purine)

Question 8

Thymine

Answer 8

DNA Base (Pyrimidine)

Question 9

Transcription

Answer 9

DNA to RNA

Question 10

Uracil

Answer 10

Only found in RNA (Pyrimidine)

Question 11

Guanine

Answer 11

DNA Base (Purine)

Question 12

Cytosine

Answer 12

DNA Base (pyrimidine)

Question 13

Double Helix

Answer 13

Tertiary structure of DNA

Double helix is cause by H bonds between bases

Question 14

Anti-parallel

Answer 14

DNA Strands run Anti-parallel to each other

Question 15

Palindrome

Answer 15

Same backwards and forwatds, refers to nucleotide sequencing in DNA & RNA

Question 16

Histone

Answer 16

Any group of basic proteins found in chromatin

Question 17

Nucleosome

Answer 17

DNA Interacts with histones and forms NUCLEOSOMES

Question 18

Chromosome

Answer 18

Contains genetic info

Question 19

Explain some of the - Similarities and differences between RNA and DNA

Answer 19

• RNA contains Hydroxyl group making it more reactive than DNA
• DNA found in Nucleus
• RNA found throughout cell