DNA

Question 1

DNA stands for

Answer 1

Deoxyribose nucleic acid

Question 2

DNA Molecule is made of (tree diagram)

Answer 2

5 carbon deoxyribose
Phosphate group
Nitrogenous base

Question 3

BASES

Answer 3

Adenine, Thymine, Cytosine, Guanine, (uracil)

Question 4

Purines

Answer 4

double ring
A and G

Question 5

Pyrimidines

Answer 5

single ring
T and C

Question 6

How are nucleotides joined

Answer 6

Phosphodiester bonds

Question 7

5’ end

Answer 7

phosphate

Question 8

3’ end

Answer 8

hydroxyl

Question 9

antiparallelism

Answer 9

two strands in oppo directions
5 to 3 and 3 to 5

Question 10

Sugar in DNA vs RNA

Answer 10

DNA: deoxyribose
RNA: ribose

Question 11

Bases present in DNA vs RNA

Answer 11

DNA: A T C G
RNA: A U G C

Question 12

Number of strands in DNA vs RNA

Answer 12

DNA: double (each base is paired with base on other strand - regular shapr)
RNA: single (bases are sometimes pared with other bases of same strand - irregular shape)

Question 13

Relative length of DNA vs RNA

Answer 13

DNA: very big (millions of nucleotides)
RNA: smaller (a few hundred or thousand nucleotides)