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Exams & Certifications

11th Grade Molecular Biology Quizzes, Questions & Answers

Recent Molecular Biology Quizzes

Molecular Biology Quiz: DNA Transcription, Translation, Replication

Questions: 10 | Attempts: 19766 | Last updated: Jan 21, 2025

Sample Question
DNA and RNA are different because:

DNA is only found in the nucleus, while RNA can travel anywhere in the cell.

DNA is double-stranded, while RNA is triple-stranded.

DNA uses Uracil while RNA uses Thymine.

DNA is made of four bases, while RNA is made of five bases.

None of the above

Bio Test 3 (Part 1)

Questions: 11 | Attempts: 118 | Last updated: Feb 14, 2025

Sample Question
The significance of Fred Griffith's experiment in which he used two strains of Streptococcus pneumoniae is that

Harmless and pathogenic bacteria function differently in mice than in other organisms.

It demonstrated that harmless bacteria can become transformed into disease-causing bacteria by some association with pathogenic bacteria.

It established that pure DNA extracted from disease-causing bacteria transformed harmless strains into killer strains.

Dead cells lose their genetic information.

The genetic material is DNA, not protein.

Electrophoresis Blood Quiz Questions

Questions: 36 | Attempts: 176 | Last updated: Mar 21, 2025

Sample Question
While synthesizing a new blue pigment, a chemist noticesthat the new compound congregates between an aqueous(water) environment and a hydrophobic environment.When added to a mixture of oil and water, the pigmentcreates a blue ring around the droplets of oil. Which of thefollowing statements best describes this new pigment?

The pigment is amphipathic, having polar and nonpolar regions.

The pigment is probably hydrophobic and is attempting to bond with the oil.

The pigment is hydrophilic and will not form hydrophobic bonds with the oil.

The pigment is a polar molecule and is forming hydrogen bonds with both the water and oil molecules.

The pigment is neither polar or nonpolar, but is apolar.

Chapter 10 and 11

Questions: 12 | Attempts: 246 | Last updated: Mar 20, 2025

Sample Question
The study of heredity is...

Biology

Cellular Respiration

Photosynthesis

Substrate-Level Phosphorylative Molecular Biology with Enzyme Deficiency Analysis

None of the above

Transcription and Translation Quiz With Answers

Questions: 10 | Attempts: 83305 | Last updated: Sep 12, 2025

Sample Question
A cell builds its proteins from the Instructions encoded in its _________.

Cytoplasm

Amino acid

Lysosome

Genome

DNA Replication And Protein Synthesis

Questions: 5 | Attempts: 249 | Last updated: Mar 18, 2025

Sample Question
During this process, parental strands of DNA separate, serve as templates, and produce DNA molecules that have one strand of parental DNA and one strand of new DNA.

Semirepublican conservatism

Meiosis

Doubling

Semiconservative Replication

Test Your Molecular Biology Knowledge With This Quiz

Questions: 10 | Attempts: 10366 | Last updated: Jun 10, 2025

Sample Question
Complex molecules (macromolecules) are made by joining smaller molecules together using dehydration synthesis.

True

False

DNA Replication Quiz Questions And Answers

Questions: 16 | Attempts: 55149 | Last updated: Dec 5, 2025

Sample Question
Which of the following enzymes is not directly involved in DNA replication?

DNA polymerase

Helicase

Ligase

Amylase

Having Fun With Biomol

Questions: 22 | Attempts: 38 | Last updated: Mar 15, 2025

Sample Question
Asam amino yang gugus R-nya bersifat polar adalah berikut ini kecuali:

Serin

Treonin

Asparagin

Glutamin

Valin

AP Bio Ch 15 Quiz Trivia

Questions: 10 | Attempts: 586 | Last updated: Mar 19, 2025

Sample Question
Which of the classes of RNA molecules carries the amino acids that are added to the growing polypeptide chain?

Ribosomal RNA

Transfer RNA

Messenger RNA

Primary mRNA transcript

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