DNA and RNA

Question 1

Structure of nucleotides

Answer 1

Phosphate group, Penrose Sugar, Nitrogen containing Base

Question 2

What’s the pentose sugar in dna and rna

Answer 2

dna- deoxyribose
rna- ribose

Question 3

role of dna in living organisms

Answer 3

Holds the genetic material for inheritance

Question 4

Role of rna in living cells

Answer 4

carries genetic information that is translated by ribosomes into various proteins necessary for cellular processes

Question 5

How do polynucleotides form

Answer 5

condensation reaction between nucleotides which form strong phosphodiester bonds

Question 6

describe the structure of dna

Answer 6

double helix of 2 polynucleotides, hydrogen bonds between bases

Question 7

What are the a-g bases called

Answer 7

purine

Question 8

what are the complementary bases in dna, how many bonds

Answer 8

adenine- thymine (2 H bonds)
cytosine- guanine (3 H bonds)

Question 9

what are the complementary bases in rna, how many bonds

Answer 9

adenine- uracil (2 H bonds)
cytosine- guanine (3 H bonds)