Question

Genetics Multip Choice Questions:

1) Which part of the tRNA structure holds the amino acid when charged?

a) D loop arm

b) T loop arm

c) acceptor arm

d) anticodon arm

2) Which RNAs need to fold back on itself to form a 3D structure for function?

a) mRNA and rRNA

b) tRNA and mRNA

c) rRNA and tRNA

d) All 3 types

3) Microarray analysis is based on the amount of

a) complementary binding

b) cDNA sequencing

c) radioactivity

d) ddNTPs bound

4) Which is the greater volume and enzymatic part of the ribisome?

a) tRNA

b) protein

c) rRNA

d) mRNA

5) What inserts in the active site of a ribosome?

a) tRNA

b) snoRNA

c) rRNA

d) mRNA

Answer 1

1. Option c is correct.

Acceptor arm of tRNA ,which lies opposite of anticodon loop holds the charged amino acids .

2. Option c is correct.

rRNA and tRNA have folding in their structure to perform their functions.

mRNA needs to be single stranded to perform it's function of acting as a template .

3. Option a is correct .

We do microarray analysis on basis of complimentary binding principle .

4. rRNA

Ribosomes are composed mainly of rRNA which has structural as well as catalytic role.

5. mRNA

mRNA attaches to smaller subunit of ribosomes and then it is pulled into ribosomes as it codons detect the ribosome active site.