WorksheetsAssignment 1: Molecular Basis of Inheritance
Total questions: 15
Worksheet time: 8mins
What does DNA have that RNA doesn't
Presence of thymine
Presence of deoxyribose
Presence of ribose
Both a and b
The steps (rungs) of the DNA ladder are made up of __________.
phosphate groups
sugars
nitrogen bases
amino acids
Which of the following is true of DNA but not of RNA?
It is made up of a single strand of nucleotides.
It contains the sugar deoxyribose.
It leaves the nucleus to translate protein.
It contains the nitrogen base uracil.
Which of the following best represents the Central Dogma?
DNA --> RNA --> proteins
RNA --> DNA --> proteins
DNA --> proteins --> RNA
proteins --> RNA --> DNA
What is the nature of the strands of the DNA duplex?
Anti-parallel and complementary
Identical and complementary
Anti-parallel and non-complementary
Dissimilar and non-complementary
If the total amount of adenine and thymine in a double-stranded DNA is 45%, the amount of guanine in this DNA will be
22.5%
27.5%
45%
55%
DNA is a polymer made of ______
sugars
amino acids
fats
nucleotides
Nucleoside is made of (a)
The nitrogenous base is linked to the sugar by (a) bond
Name the person who discovered 'nuclein'
Fredrick Miecher
Watson
Crick
Basel
In the nuclein obtaining experiment,if scientist used RBC instead of WBC,whether he would discovered it?
Yes
No
Identify the type of RNA which is not involved in gene expression
rRNA
mRNA
tRNA
hnRNA
In post transcription stage,which among the following process is not involved.
Capping using Poly adenyl group
Capping with methyl guanosine triphosphate group
splicing
slicing
The important enzyme required for the process of transcrption from DNA to mRNA is..............
DNA ligase
DNA polymerase
RNA polymerase
DNA helicase
DNA fragments are ......................
Positively charged
Negatively charged
Neutral
