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- Biology
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  - Genetics
    - DNA Structure 5
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    - Origin of Life 9
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    - Comparative Anatomy 12
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    - Biodiversity 28
    - Ecological Conservation 47
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  - Human Anatomy & Physiology
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    - Nervous System 124
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    - Circulatory System 90
    - Respiratory System 44
    - Digestive System 47
    - Excretory System 10
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    - Immune System 11
    - Integumentary System 21
    - Sensory Organs 56
  - Botany Plant Biology
    - Plant Anatomy 38
    - Plant Morphology 5
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    - Photosynthesis 53
    - Plant Reproduction 22
    - Plant Growth 5
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    - Plant Taxonomy 43
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  - Zoology Animal Biology
    - Classification 38
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    - Nematoda 6
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    - Arthropoda 12
    - Mollusca 5
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    - Chordata 5
    - Fish 76
    - Amphibians 10
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    - Birds 5
    - Mammals 106
    - Anatomy 2
    - Physiology 27
    - Reproduction 26
    - Development 6
    - Behavior 63
  - Microbiology
    - Microbial Structure 5
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    - Parasitology 59
    - Microbial Genetics 5
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  - Molecular Biology
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9th Grade Molecular Biology Quizzes, Questions & Answers

Recent Molecular Biology Quizzes

Translation: DNA To Mrna To Protein! Biology Trivia Quiz

Questions: 5 | Attempts: 460 | Last updated: Mar 21, 2025

Sample Question
What is the matching amino acid sequence for the following mRNA strand? AUUGGUAUU

Iso-Leu-Gly

Iso-Gly-Iso

Iso-Gly-Gly

Syr-Tyr-Stop

Protein Synthesis In The Cellular Factory Quiz

Questions: 15 | Attempts: 358 | Last updated: Mar 20, 2025

Sample Question
Ribosomes are used directly to make __________________ in all cells.

Carbohydrates

Lipids

Proteins

Energy

DNA Molecule And DNA Fragments Quiz

Questions: 50 | Attempts: 204 | Last updated: Oct 22, 2025

Sample Question
Photosynthesis has been occuring on this planet for approximately 3 billion years. In this time plants have evolved from small single celled bacteria in the ocean and diversified into many ecological niches. Some plants on earth such as giant sequoia manage to transport water 100s of meters into the air without the use of a pump. This is made possible by vascular tissue composed of small tubes that transport the water. They are able to do this because

Hydrogen bonds among water molecules give it cohesive properties

Water has adhesive properties

Water is polar

All of the above

Unit 3: Ch 8 Quiz (Fall 2014)

Questions: 25 | Attempts: 223 | Last updated: Mar 14, 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

Unit 3 Target 2 (Part 2): mRNA, Trna, Rrna

Questions: 5 | Attempts: 1245 | Last updated: Mar 22, 2025

Sample Question
The function of tRNA is to

Synthesize DNA.

Synthesize mRNA.

Form ribosomes.

Decode mRNA into amino acids.

Unit 3 Target 1: DNA Structure And Function

Questions: 12 | Attempts: 860 | Last updated: Mar 19, 2025

Sample Question
Which of the following is a nucleotide found in DNA?

Ribose + phosphate group + thymine

Ribose + phosphate group + uracil

deoxyribose + phosphate group + uracil

Deoxyribose + phosphate group + cytosine

Biology Molecules Of Life

Questions: 10 | Attempts: 200 | Last updated: May 8, 2025

Sample Question
Which of the followings is a monosaccharide?

Glucose

Sucrose

Starch

Glycerol

Bio 1 - Warm-up Quiz #10

Questions: 15 | Attempts: 294 | Last updated: Mar 21, 2025

Sample Question
Which describes a difference between DNA and RNA?

DNA constructs proteins whereas RNA translates genetic information.

DNA makes up ribosomes whereas RNA transfers genetic information.

DNA translates genetic information whereas RNA maintains genetic information.

DNA maintains genetic information whereas RNA helps construct proteins based on genetic information.

Bio 1 Warm-up Quiz #7

Questions: 10 | Attempts: 310 | Last updated: Mar 22, 2025

Sample Question
Which statement best describes the relationship that exists among proteins, DNA, and cells?

Proteins combine to produce cells, which produce DNA.

Proteins are made up of DNA, which determines the cells that are produced.

DNA is made up of proteins, that tell a cell how to work.

Cells contain DNA, which controls the production of proteins.

Bio 2 Warm-up Quiz #7

Questions: 10 | Attempts: 191 | Last updated: Mar 21, 2025

Sample Question
Which statement best describes the relationship that exists among proteins, DNA, and cells?

Proteins combine to produce cells, which produce DNA.

Proteins are made up of DNA, which determines the cells that are produced.

DNA is made up of proteins, that tell a cell how to work.

Cells contain DNA, which controls the production of proteins.

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