Biochemistry Vocabulary Quiz
Preview:
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
The reason water beads up on a freshly waxed car is due to ___.
A. adhesion
B. cohesion
The building blocks of matter
A. Mass Number
B. Atoms
C. Nobel Gases
D. Isotopes
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.
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.
Which of the following is a negatively charged subatomic particle?
A. Electron
B. Proton
C. Neutron
D. Quark
What type of bond forms when 2 or more electrons are SHARED?
A. Covalent bond
B. Incomplete bond
C. Ionic bond
D. Metallic bond
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.
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 word describes when water is attracted to other substances?
A. cohesion
B. adhesion
C. capillary action
D. surface tension
The reason water sticks to your skin is ___.
A. adhesion
B. cohesion
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
What type of bond is between two water molecules?
A. Covalent bond
B. Ionic bond
C. Hydrogen bond
D. Nonpolar bond
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.
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