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Molecular Biology Quizzes, Questions & Answers

Recent Molecular Biology Quizzes

Chemical Bonding Test 2

Questions: 25 | Attempts: 456 | Last updated: Mar 19, 2025

Sample Question
A nucleoside is a:

Sugar + base

Sugar + base + phosphate group

Sugar + acid

DNA + base

RNA + sugar

Transcription Quiz: Biology Trivia!

Questions: 8 | Attempts: 6866 | Last updated: Feb 17, 2025

Sample Question
The bases for DNA are A, T, C, and G. What are the bases for RNA?

A, T, C, and G

A, T, C and U

A, U, C and G

ChAPter 2 Test - AP Biology

Questions: 48 | Attempts: 965 | Last updated: Mar 20, 2025

Sample Question
About 25 of the 92 natural elements are known to be essential to life. Which four of these 25 elements make up approximately 96% of living matter?

Carbon, sodium, chlorine, nitrogen

Carbon, sulfur, phosphorus, hydrogen

Oxygen, hydrogen, calcium, sodium

Carbon, hydrogen, nitrogen, oxygen

Precancer Conditon Molecular Basis

Questions: 19 | Attempts: 391 | Last updated: Feb 2, 2025

Sample Question
A 50-year-old nulliparous female presents with menorrhagia. An ultrasound examination reveals a polypoid mass in the fundus. The patient undergoes a hysterectomy, which reveals a poorly differentiated endometrial adenocarcinoma. The development of this neoplasm was preceded by which of the following changes in the glandular epithelium?

Atrophy

Hydropic swelling

Hyperplasia

Hypertrophy

Metaplasia

Molecular Biology (Lectures 15-17)

Questions: 25 | Attempts: 289 | Last updated: Mar 21, 2025

Sample Question
What is the process in which fragments of DNA from each gene are "spotted" and immobilized on a glass microscope slide?

DNA Microarray

DNA Nanoarray

SDS-PAGE

2-D Gel Electrophoresis

Molecular Biology Quiz (Lectures 11 & 12)

Questions: 14 | Attempts: 1040 | Last updated: Sep 2, 2025

Sample Question
Southern Blots are used to study...

DNA only.

RNA only.

Proteins only.

DNA and RNA only.

DNA and Proteins only.

RNA and Proteins only.

Hemoglobin Disease: Sickle Cell - Block 2

Questions: 15 | Attempts: 359 | Last updated: Mar 20, 2025

Sample Question
A Hemoglobin (Hb) molecule is a tetramer consisting of four polypeptide chains, 2 alpha and 2 Beta chains. Each Hb subunit contains a single heme moiety consisting of a protoporphyrin complexed with a single iron in order to bind oxygen.. Each heme can bind how many oxygen molecules and transport a total of ____ oxygen molecules.

One: Two

One: Four

Two: Four

Two: eight

Unit 3b: DNA And The Central Dogma

Questions: 25 | Attempts: 4625 | Last updated: May 22, 2025

Sample Question
Which of the following is a pair of complementary bases?

Cytosine and cytosine

Thymine and adenine

Adenine and guanine

Thymine and ctyosine

A&p 1 Exam 1

Questions: 56 | Attempts: 1911 | Last updated: Mar 22, 2025

Sample Question
What bond has 2 or more atoms that share electrons rather than gaining or losing them

Ionic bond

Covalent bond

Polar bond

IB Biology: Water

Questions: 45 | Attempts: 4774 | Last updated: Mar 22, 2025

Sample Question
Which of the following is true about bonding between atoms in water?

It is ionic

It is purely covalent

It is polar covalent

All of the above

None of the above

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