Week 1- RIBONUCLEIC ACID

Question 1

Non coding regions be ween exons.

Answer 1

Introns

Question 2

DNA sequences on chromosomes that code for amino acids/proteins.

Answer 2

Exons

Question 3

All hereditary information for an individual

Answer 3

Genome

Question 4

Relationship between sequence of bases in DNA or its RNA transcript &sequence of amino acids ni proteins.

Answer 4

Genetic code

Question 5

Pentose sugar with nitrogen base attached.
Dephosphorylated nucleotide. Adenosine, guanosine, cytidine, thymidine.

Answer 5

Nucleoside

Question 6

Building blocks of DNA &RNA. Apentose sugar with nitrogen base attached to 1C’ & 1-3 phosphate groups attached ot 5°C. Sequences always written in 5’ to 3’ direction

Answer 6

Nucleotide

Question 7

Nitrogen bases with 2 C-N rings (A, G).

Answer 7

Purines

Question 8

Nitrogen bases with single C-N ring (C, T, U.)

Answer 8

Pyrimidines

Question 9

Bonds that join nucleotides ni nucleic acid. 5 phosphate group of 1 sugar attaches to 3’ hydroxyl group of adjacent sugar. Amolecule of H20 splits off.

Answer 9

Phosphodiester bonds

Question 10

Purine from 1 strand of nucleic acid &pyrimidine from another strand joined by __________

Adenine forms __________ with Thymine or Uracil. Guanine forms _________with Cytosine

Answer 10

HYDROGEN BONDS
2 H BONDS
3 H BONDS

Question 11

Purine from 1 strand of nucleic acid &pyrimidine from another strand joined by HYDROGEN BONDS _ Adenine forms 2H BONDS
with Thymine or Uracil. Guanine forms_ 3 H BONDS _with Cytosine

Answer 11

Base pairing

Question 12

Carbon-nitrogen ring structures attached to C1’ of sugar ni DNA &
RNA: adenine (A), guanine G), cytosine (C), thymine (T), &uracil
(U).

Answer 12

Nitrogen bases