Biochemistry Vocabulary Quiz
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Photosynthesis
A. a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from nutrients into ATP
B. the descriptive and conceptual findings collected through questionnaires, interviews, or observation
C. the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
D. a non-living part of an ecosystem that shapes its environment
Particles in an atom that are neutral and have no charge are
A. negatrons
B. electrons
C. neutrons
D. protons
What word describes when water is attracted to other substances?
A. cohesion
B. adhesion
C. capillary action
D. surface tension
Reactant
A. a substance present at the beginning of a reaction
B. a substance present at the end of a reaction
C. a particle that consists of a nucleus of protons and neutrons surrounded by a cloud of electrons.
D. a substance made up of two or more different chemical elements combined in a fixed ratio.
Cellular Respiration
A. a non-living part of an ecosystem that shapes its environment
B. a land region on the earth’s surface covered by biological communities that group under the same climatic patterns like rainfall and temperature.
C. a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from nutrients into ATP
D. the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
substance in a solution that dissolves the other substance and is present in the greater amount
A. solvent
B. solute
C. solution
D. acid
The building blocks of matter
A. Mass Number
B. Atoms
C. Nobel Gases
D. Isotopes
Atom
A. a land region on the earth’s surface covered by biological communities that group under the same climatic patterns like rainfall and temperature.
B. the descriptive and conceptual findings collected through questionnaires, interviews, or observation
C. a particle that consists of a nucleus of protons and neutrons surrounded by a cloud of electrons.
D. an element that remains unchanged or unaffected by other variables. It’s used as a benchmark or a point of comparison against which other test results are measured.
Water is a universal solvent because it…
A. It can be found anywhere
B. It freezes when it gets cold
C. floats when frozen
D. Dissolves most substances
Ionic Bond
A. a bond that forms when the valence (outermost) electrons of one atom are transferred permanently to another atom.
B. a particle that consists of a nucleus of protons and neutrons surrounded by a cloud of electrons.
C. a strong bond between two atoms that share their elections
D. a molecule containing a very large number of atoms, such as a protein, nucleic acid, lipid, or carbohydrate
Compound
A. a living component of an ecosystem; for example organisms, such as plants and animals.
B. a substance made up of two or more different chemical elements combined in a fixed ratio.
C. a chemical substance that cannot be broken down into other substances. The basic particle that constitutes a chemical element is the atom, and chemical elements are distinguished from each other by the number of protons in the nuclei of their atoms
D. a molecule containing a very large number of atoms, such as a protein, nucleic acid, lipid, or carbohydrate
A molecule with electrically charged areas is called a _______________.
A. magnet
B. polar molecule
C. solution
D. electrical molecule
Carbon Cycle
A. the biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of Earth.
B. a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from nutrients into ATP
C. a non-living part of an ecosystem that shapes its environment
D. a proposed explanation made on the basis of limited evidence as a starting point for further investigation.
The reason water sticks to your skin is ___.
A. adhesion
B. cohesion
Nitrogen Cycle
A. the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
B. a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from nutrients into ATP
C. biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates among atmospheric, terrestrial, and marine ecosystems. The conversion of nitrogen can be carried out through both biological and physical processes.
D. the biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of Earth.
What type of bond is between two water molecules?
A. Covalent bond
B. Ionic bond
C. Hydrogen bond
D. Nonpolar bond
Macromolecule
A. a chemical substance that cannot be broken down into other substances. The basic particle that constitutes a chemical element is the atom, and chemical elements are distinguished from each other by the number of protons in the nuclei of their atoms
B. a substance made up of two or more different chemical elements combined in a fixed ratio.
C. a particle that consists of a nucleus of protons and neutrons surrounded by a cloud of electrons.
D. a molecule containing a very large number of atoms, such as a protein, nucleic acid, lipid, or carbohydrate
Large bodies of water do not quickly fluctuate in temperature. Why?
A. Water is a solvent.
B. Water has a high heat capacity.
C. Water acts as a buffer.
D. Water is non-polar.
Covalent Bond
A. a molecule containing a very large number of atoms, such as a protein, nucleic acid, lipid, or carbohydrate
B. a particle that consists of a nucleus of protons and neutrons surrounded by a cloud of electrons.
C. a strong bond between two atoms that share their elections
D. a weak bond between two molecules that happens in polar molecules
Hydrogen Bond
A. a molecule containing a very large number of atoms, such as a protein, nucleic acid, lipid, or carbohydrate
B. a weak bond between two molecules that happens in polar molecules
C. a chemical substance that cannot be broken down into other substances. The basic particle that constitutes a chemical element is the atom, and chemical elements are distinguished from each other by the number of protons in the nuclei of their atoms
D. a strong bond between two atoms that share their elections
Which of the following is a negatively charged subatomic particle?
A. Electron
B. Proton
C. Neutron
D. Quark
Capillary Action is key for
A. Water moving from roots to leaves in plants
B. Air moving from mouth to lungs
C. Ice floating on water
D. Water moving to lower areas
What is the thin film that forms on the surface of a body of water; allows insects to float?
A. high specific heat
B. viscosity
C. surface tension
D. capillary action
Why does ice float?
A. As water freezes, it expands and its density decreases.
B. As water freezes, it takes up more hydrogen from the atmosphere, causing it to have a greater buoyancy.
C. As water freezes, air becomes trapped between the hydrogen bonds of water molecules.
D. As water freezes, it takes up more oxygen from the atmosphere, causing it to have a greater buoyancy.
What type of bond forms when 2 or more electrons are SHARED?
A. Covalent bond
B. Incomplete bond
C. Ionic bond
D. Metallic bond
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