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Molecular Biology Quizzes, Questions & Answers

Recent Molecular Biology Quizzes

Biology Final Review Quiz

Questions: 35 | Attempts: 150 | Last updated: Mar 22, 2025

Sample Question
Fever swollen glands sore throat can get from person to person has nothing to do with genetics is what type of sickness?

A)HIV

B)FLU

C)SMALL POX

D)STREPTOCOCCUS

Bio 1010 Study Guide

Questions: 12 | Attempts: 517 | Last updated: Mar 21, 2025

Sample Question
The process of making RNA from DNA is:

Transcription

Translation

conjunction

Peptide synthesis

This process cannot happen

Block 1 Gene Expression

Questions: 8 | Attempts: 513 | Last updated: Feb 11, 2025

Sample Question
Chromatin remodeling occurs by covalent changes to nucleosomal proteins. What other covalent change can contribute to altered patterns of general gene expression?

Proteolysis of general transcription factors

Myristoylation of CREB-1 transcription factor

Methylation of DNA cytosines

Hydroxylation of TATA box purines

Glycosylation of RNA polymerase II

Block 1 DNA Technology

Questions: 27 | Attempts: 285 | Last updated: Mar 21, 2025

Sample Question
A 3 y.o. patient with delayed mental acuity is shown to have an enzyme deficiency of Histone Acetyltransferase (HAT) activity. What is the most likely outcome of this patient's deficiency, at the level of gene expression?

Ubiquitination of histones H3 and H4 and increased overall transcription

Fragmentation of poorly protected chromosomal DNA and reduced transcription

Activation of histone H3 and H4 gene expression

Reduced transcription rates because nucleosomes occupy promoters

Uncoupling of transcription and translation in neurons

Exam 3 Bio 113 DNA/Rna Structure, Cell Cycle, Mitosis

Questions: 48 | Attempts: 372 | Last updated: Mar 22, 2025

Sample Question
Subunit for DNA, which is in turn composed of a sugar

Nucleotide

Purine

Pyrimidine

Nitrogen

Bio 3 Exam Translation, DNA Replication, Transciption

Questions: 71 | Attempts: 4914 | Last updated: Sep 30, 2025

Sample Question
Where does translation occur?

Ribosomes

Nucleus

Cytoplasm

Mitochondria

Structures Of Proteins, Sugars and Lipids! Trivia Quiz

Questions: 9 | Attempts: 1091 | Last updated: Mar 21, 2025

Sample Question
What is this?

Disaccharide

Amino acid

Polypeptide

Monosaccharide

Protein Metabolism I

Questions: 15 | Attempts: 2434 | Last updated: Mar 21, 2025

Sample Question
Which of these RNA species is the most abundant in translation?

TRNA

MRNA

RRNA

Biology Test 2 Part 2

Questions: 11 | Attempts: 338 | Last updated: Mar 20, 2025

Sample Question
In which of these are the electrons always shared unequally?

Double covalent bond

Polar covalent bond

Triple covalent bond

Ionic and covalent bonds

Hydrogen bond

Molecular Biology MCQ Quiz With Answers

Questions: 22 | Attempts: 7657 | Last updated: Apr 17, 2025

Sample Question
DNA nucleotides have three components. Which one of these is NOT part of a DNA nucleotide?

Phosphate

Deoxyribose sugar

Ribose sugar

A nitrogenous base

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