Education
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    - Interference 5
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    - Optics Reflection 32
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  - Modern Physics
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    - Spectroscopy 1
  - Nuclear Physics
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    - Physics Nuclear Reactions 3
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  - Relativity
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  - Measurement and Units
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- Chemistry
  - Physical Chemistry
    - States of Matter 202
    - Physical Gas Laws 26
    - Chemical Equilibrium 18
    - Ionic Equilibrium 50
    - Solutions 10
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    - Chemical Kinetics 18
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    - Physical Quantum Chemistry 1
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  - Inorganic Chemistry
    - Periodic Table 231
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    - Coordination Compounds 23
    - Metallurgy 2
    - s Block Elements 1
    - p Block Elements 1
    - d Block Elements 2
    - f Block Elements 5
    - Hydrogen 8
    - Halogens 10
    - Noble Gases 5
    - Acids and Bases 74
    - Salt Analysis 28
  - Organic Chemistry
    - Organic Compounds Classification 28
    - Structural Isomerism 13
    - Nomenclature 83
    - Hydrocarbons 6
    - Haloalkanes 6
    - Alcohols 10
    - Aldehydes 3
    - Ketones 4
    - Carboxylic Acids 9
    - Amines 3
    - Organic Biomolecules 17
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  - Analytical Chemistry
    - Qualitative Analysis 9
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    - Titrations 3
    - Gravimetric Analysis 5
    - Chromatography 5
    - Spectrophotometry 3
    - Electroanalytical Methods 10
    - Mass Spectrometry 5
    - Thermal Analysis 2
    - Separation Techniques 24
  - Biochemistry
    - Biomolecules 7
    - Bio Carbohydrates 22
    - Proteins 31
    - Enzymes 24
    - Lipids 49
    - Nucleic Acids 8
    - Metabolism 4
    - Bioenergetics 1
    - Vitamins 35
    - Hormones 17
    - Cell Signaling 16
    - Genetic Code 4
  - Environmental Chemistry
    - Air Pollution 18
    - Water Pollution 20
    - Soil Pollution 4
    - Waste Management 54
    - Ozone Depletion 9
    - Acid Rain 8
    - Eutrophication 2
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  - Industrial Chemistry
    - Petrochemicals 1
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    - Glass 1
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    - Dyes 2
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    - Food Chemistry 13
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  - Nuclear Chemistry
    - Chemistry Radioactivity 2
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  - Polymer Chemistry
    - Polymerization 1
    - Addition Polymers 1
    - Condensation Polymers 1
    - Natural Polymers 1
    - Synthetic Polymers 2
    - Thermoplastics 3
    - Polymer Properties 1
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  - Theoretical Chemistry
    - Molecular Modeling 1
    - Computational Chemistry 1
    - Statistical Mechanics 12
    - Chemical Thermodynamics 13
    - Reaction Dynamics 125
    - Electronic Structure 57
    - Molecular Dynamics 18
    - Spectroscopy Theory 1
  - Medicinal Chemistry
    - Drug Design 4
    - Pharmacokinetics 42
    - Pharmacodynamics 19
    - Drug Metabolism 7
    - Enzyme Inhibition 26
    - Receptor Binding 12
    - Structure Activity 11
    - Prodrugs 5
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  - Green Chemistry
    - Principles 8
    - Sustainable Design 1
    - Waste Prevention 8
    - Energy Efficiency 13
    - Catalysis 1
    - Biodegradable Materials 1
    - Green Synthesis 1
    - Solvent Reduction 10
    - Atom Economy 2
    - Life Cycle Analysis 3
    - Pollution Prevention 4
  - Materials Chemistry
    - Crystal Structure 51
    - Band Theory 7
    - Materials Polymers 2
    - Ceramics 5
    - Composites 2
    - Nanomaterials 9
    - Biomaterials 3
    - Corrosion 28
    - Alloys 11
    - Superconductors 1
    - Thin Films 1
    - Magnetic Materials 4
    - Optical Materials 4
- Biology
  - Cell Biology
    - Cell Theory 100
    - Prokaryotic Cells 17
    - Eukaryotic Cells 26
    - Cell Organelles 63
    - Cell Membrane 70
    - Cell Wall 2
    - Cytoplasm 14
    - Nucleus 12
    - Mitochondria 16
    - Chloroplasts 15
    - Ribosomes 13
    - Endoplasmic Reticulum 2
    - Golgi Apparatus 15
    - Lysosomes 6
    - Cytoskeleton 12
    - Cell Division 113
    - Cell Cycle 37
    - Transport Mechanisms 93
    - Cell Communication 2
  - Genetics
    - DNA Structure 95
    - RNA Structure 38
    - Gene Expression 15
    - Biological Genetic Code 5
    - DNA Replication 36
    - Transcription 8
    - Translation 4
    - Mutation 43
    - Mendelian Inheritance 38
    - Non Mendelian Inheritance 87
    - Genetic Disorders 130
    - Genetic Mapping 3
    - Genetic Engineering 9
    - Genomics 9
    - Epigenetics 5
  - Evolution
    - Origin of Life 47
    - Theories of Evolution 13
    - Natural Selection 42
    - Variation 27
    - Adaptation 23
    - Speciation 9
    - Fossil Record 12
    - Comparative Anatomy 31
    - Molecular Evidence 44
    - Human Evolution 22
    - Coevolution 6
    - Extinction 12
  - Ecology
    - Ecosystem 53
    - Biomes 10
    - Population Ecology 30
    - Community Ecology 10
    - Food Chains 98
    - Food Webs 45
    - Ecological Energy Flow 24
    - Nutrient Cycles 57
    - Biodiversity 183
    - Ecological Conservation 95
    - Habitat 119
    - Succession 24
    - Ecological Adaptation 38
    - Human Impact 37
    - Ecological Climate Change 16
  - Human Anatomy and Physiology
    - Skeletal System 252
    - Muscular System 161
    - Nervous System 340
    - Endocrine System 186
    - Circulatory System 207
    - Respiratory System 177
    - Digestive System 128
    - Excretory System 73
    - Reproductive System 139
    - Immune System 99
    - Integumentary System 51
    - Sensory Organs 213
  - Botany Plant Biology
    - Plant Anatomy 5
    - Plant Morphology 119
    - Plant Physiology 74
    - Photosynthesis 104
    - Plant Reproduction 32
    - Plant Growth 9
    - Plant Hormones 28
    - Plant Taxonomy 93
    - Plant Ecology 32
    - Plant Pathology 12
    - Economic Botany 49
    - Seed Biology 6
    - Plant Genetics 5
    - Plant Adaptations 53
  - Zoology Animal Biology
    - Classification 267
    - Porifera 10
    - Cnidaria 21
    - Platyhelminthes 34
    - Nematoda 17
    - Annelida 16
    - Arthropoda 26
    - Mollusca 16
    - Echinodermata 19
    - Chordata 13
    - Fish 27
    - Amphibians 28
    - Reptiles 41
    - Birds 61
    - Mammals 38
    - Anatomy 30
    - Physiology 29
    - Reproduction 40
    - Development 16
    - Behavior 170
  - Microbiology
    - Microbial Structure 58
    - Bacteriology 7
    - Virology 18
    - Mycology 23
    - Parasitology 45
    - Microbial Genetics 2
    - Microbial Physiology 15
    - Microbial Ecology 27
    - Pathogenic Microbiology 177
    - Microbial Biotechnology 2
    - Food Microbiology 16
    - Industrial Microbiology 4
    - Environmental Microbiology 2
  - Biotechnology
    - Bio Genetic Engineering 4
    - Recombinant DNA 9
    - Cloning 6
    - PCR 8
    - Gel Electrophoresis 21
    - DNA Sequencing 6
    - Gene Therapy 3
    - CRISPR 9
    - Stem Cells 9
    - Bioreactors 5
    - Fermentation 5
    - Bioinformatics 6
    - GMOs 12
    - Proteomics 1
    - Metabolomics 3
  - Molecular Biology
    - Biological Biomolecules 17
    - Carbohydrates 29
    - Biochemical Lipids 2
    - Bio Proteins 12
    - Bio Enzymes 3
    - Bio Nucleic Acids 21
    - Biochemical Vitamins 36
    - Bio Minerals 5
    - Bio Metabolism 47
    - Cellular Respiration 112
    - Nitrogen Metabolism 9
    - Bio Hormones 13
    - Signal Transduction 6
  - Immunology
    - Innate Immunity 16
    - Adaptive Immunity 12
    - Antigens 11
    - Antibodies 10
    - Lymphatic System 26
    - B Cells 31
    - T Cells 6
    - Immune Response 26
    - Cytokines 16
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  - Developmental Biology
    - Gametogenesis 10
    - Fertilization 48
    - Cleavage 20
    - Gastrulation 5
    - Organogenesis 25
    - Metamorphosis 15
    - Regeneration 3
    - Growth 19
    - Aging 30
- Earth and Space Science
  - Geology
    - Minerals 52
    - Rocks 18
    - Geological Rock Cycle 45
    - Plate Tectonics 107
    - Geological Volcanoes 34
    - Geological Earthquakes 22
    - Weathering 14
    - Erosion 35
    - Soil 8
    - Fossils 8
    - Geological Time 23
    - Geomorphology 10
    - Natural Resources 28
  - Meteorology
    - Metrological Atmosphere 12
    - Metrological Weather 52
    - Climate 5
    - Clouds 14
    - Precipitation 2
    - Air Pressure 21
    - Wind 4
    - Storms 8
    - Hurricanes 7
    - Metrological Tornadoes 15
    - Weather Forecasting 7
    - Metrological Climate Change 3
  - Oceanography
    - Ocean Basins 21
    - Waves 6
    - Tides 4
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    - Marine Life 30
    - Coral Reefs 19
    - Seafloor Spreading 8
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    - Marine Resources 14
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  - Environmental Geoscience
    - Environmental Climate Change 1
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    - Renewable Energy 76
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  - Paleontology
    - Fossilization 6
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    - Stratigraphy 13
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  - Climate Science
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  - Earth Systems and Cycles
    - Geosphere 4
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    - Biosphere 5
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    - Climate System 3
  - Soil Science
    - Soil Formation 3
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    - Soil Physics 1
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- Astronomy
  - Observational Astronomy
    - History of Astronomy 17
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    - Sun 3
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  - Stars and Stellar Evolution
    - Star Formation 1
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    - Red Giants 2
    - Black Holes 5
    - Stellar Nucleosynthesis 2
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  - Galaxies
    - Nebulae 1
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    - Galaxy Black Holes 2
  - Cosmology
    - Big Bang 22
    - Cosmo Dark Matter 2
    - Dark Energy 1
    - Cosmic Microwave 3
    - Large Scale 1
    - Galaxy Formation 5
    - Universe Expansion 2
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  - Exoplanets
    - Detection Methods 1
    - Planet Types 6
    - Atmospheres 1
  - Astrobiology
    - Extremophiles 1
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  - Astronomical Instruments
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  - Space Exploration and Missions
    - Spacecraft 3
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    - Mars Missions 2
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  - Celestial Mechanics and Orbits
    - Orbital Motion 7
    - Kepler Laws 3
    - Newton Laws 60
    - Orbital Gravity 1
    - Eclipses 7
    - Retrograde Motion 3
    - Perturbations 5
    - Orbital Resonance 5

DNA Structure Quizzes, Questions & Answers

Recent DNA Structure Quizzes

Biology: Are You Ready To Take The DNA Quiz?

This quiz is to help me study for an exam

Questions: 20 | Attempts: 1127 | Last updated: Mar 21, 2023

Sample Question
What is the genetic material for all living organisms?

RNA

MRNA

DNA

Proteins

Biotechnology Quiz: Multiple Choice Questions

Biotechnology quiz: multiple choice questions

This Biotechnology quiz assesses knowledge on DNA structure, genetic material, and enzymatic functions essential in genetic processes. It is suitable for learners interested in genetics and molecular biology, enhancing...

Questions: 10 | Attempts: 2231 | Last updated: Jul 8, 2024

Sample Question
The nitrogen bases which pair with two hydrogen bonds are

Adenine and thymine

Adenine and cytosine

Cytosine and guanine

Cytosine and adenine

Chapter 9 Nail Structure And Growth

chapter 9 nail structure and growth

Over the years, we’ve grown to accept the biological processes of our bodies without putting much thought into them, but once you start to look into it, you’ll find that it’s quite satisfying to get to know your...

Questions: 25 | Attempts: 18278 | Last updated: May 10, 2024

Sample Question
A normal, healthy nail

Is completelt inflexible

Has a spotted surface

Is shiny

Is white and opaque

8th Grade Life Science Final

This '8th Grade Life Science Final' assesses key concepts in genetics and evolution, including traits, species adaptation, and cellular processes. It covers fundamental topics like DNA structure, phenotypes, and cellular...

Questions: 50 | Attempts: 2178 | Last updated: Nov 29, 2024

Sample Question
A trait that helps an organism survive and reproduce is called a(n)d. variation.

Mutation.

Selection

Adaptation.

Variation. d. variation. d. variation. d. variation. d. variation. variation

Human Karyotype Warm Up 2

Welcome to the electronic biology classroom of the 21st Century. This warm-up exercise targets an activity from the science web site, Mitchell's Cosmic Adventure titled, Karyotype Studies. This warm up allows you unlimited...

Questions: 30 | Attempts: 181 | Last updated: Mar 20, 2023

Sample Question
How many total chromosomes does a normal human female karyotype display?

23

46

96

128

DNA Extraction Warm Up 2

Welcome to the electronic biology classroom of the 21st Century. This warm-up or bell ringer will test your background knowledge using the Wheat/Human DNA Extraction Experiment, karyotype Lessons, and karyotype...

Questions: 16 | Attempts: 202 | Last updated: Mar 18, 2023

Sample Question
After performing various DNA extraction experiments. Which sample produced a high yield of DNA?

Animal (non-human)

Human

Plant

Bacteria

Fungus

Human Karyotypes Quiz

A karyotype is a type of chromosome. Play this informative quiz and find out how well you know about it. The process of making a karyotype begins with taking a sample of cells and separating them according to their size, shape,...

Questions: 10 | Attempts: 2089 | Last updated: Aug 18, 2023

Sample Question
During mitosis, 23 pairs of human chromosomes condense and are visible with a light microscope.

True

False

DNA Extraction Warm Up 1

Welcome to the electronic biology classroom of the 21st Century. This biology warm-up or bell ringer concentrates on the extraction and observing of DNA taken from wheat germ, strawberry and human epithelial tissues. I hope...

Questions: 10 | Attempts: 515 | Last updated: Mar 22, 2023

Sample Question
How many diploid chromosomes does wheat (Triticum aestivum)have in it's nucleus during in the resting stage?

7

14

21

42

56

DNA Structure Warm Up 2

Welcome to the electronic classroom frontier of the 21st century. This warm up 2 will concentrate questions on the DNA Structure and the scientists involved in the research. As "fill-in"...

Questions: 20 | Attempts: 122 | Last updated: Mar 22, 2023

Sample Question
Identify the American biologists that teamed with a British graduate student from Cambridge University in the 1950's?

Alfred Nobel

James Watson

Francis Crick

Oswald Avery

Martha Chase

Unit 3b: DNA And The Central Dogma

Unit 3B: DNA and the Central Dogma

Explore the fundamentals of DNA and genetic processes in 'Unit 3B: DNA and the Central Dogma'. This quiz assesses knowledge on DNA structure, complementary base pairing, and the transcription process, crucial for students...

Questions: 25 | Attempts: 4339 | Last updated: May 27, 2024

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

Cytosine and cytosine

Thymine and adenine

Adenine and guanine

Thymine and ctyosine

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