Molecular biology

A detailed diagram of DNA, highlighting nucleotide structures and molecular interactions, with vibrant colors and educational annotations.

Molecular Biology Mastery Quiz

Test your knowledge of molecular biology with this engaging quiz designed for students and enthusiasts alike. Explore key concepts, from the structure of nucleotides to the intricacies of enzyme functions in nucleotide synthesis.

Learn about amino acids and their roles in histones.
Discover what makes DNA negatively charged.
Understand the importance of various enzymes in purine and pyrimidine synthesis.

15 Questions4 MinutesCreated by ExploringGene123

Aminoacids that make histones positively charged

Lysine + Arginine

Glutamine + Aspartate

Lysine + Aspartate

Arginine + Glutamate

What makes DNA negative?

The sugar

The phosphate group

The base

The nucleotide

A nucleotide includes:

Nitrogenous base only

Nitrogenous base + phosphate

Nitrogenous base + sugar

Nitrogenous base + sugar + phosphate

Deamination of cytosine gives:

Uracil

Adenine

Guanine

Cytosine

The followings are pared up correctly

A-G

G-C

C-T

A-T

The followings are purines:

Adenine and Thymine

Adenine and Guanine

Guanine and Cytosine

Adenine and Uracil

What gives the sugar and the phosphate for pyrimidine and purine synthesis:

PRPP

PPRP

HGPRT

CPS II

Gives the nitrogen to purine synthesis:

Glycine and glutamine

Glutamine and Aspartate

Glycine and aspartate

THF and CO2

Needed for the novo synthesis of pyrimidines (best answer)

Aspartate and carbamoyl phosphate

Aspartate and CPS II

Aspartate and CO2

Aspartate and Glycine

Hyperuricemia, intellectual disability, self mutilation and aggression, are all characteristics of a deficiency in:

HGPRT

Adenosine deaminase

Orotic acid

CPS II

A deficiency in adenosine deaminase produces:

LEsch-Nyhan

SCID

CVID

Orotic aciduria

CPS II is located in the:

Plasma membrane

Cytosol

Mitochondria

Ribosomes

Rate limiting enzyme for pyrimidine synthesis:

Carbamoyl phosphate synthetase I

Carbamoyl phosphate synthetase II

PRPP

HGPRT

Drug that inhibits ribonucleotide reductase, used for the treatment of Sickle cell disease

5-FU

Metothrexate

Hydroxyurea

Mycophenolate

Drug that inhibits dihydrofolate reductase, lowering dTMP

Pyrimethamine

5-FU

Mycophenolate

Hydroxyurea

Molecular biology

Molecular Biology Mastery Quiz

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