Campbell Biology Exam Questions With Correct Answers
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Course
Campbell Biology
Institution
Campbell Biology
Campbell Biology Exam Questions With Correct Answers
Actin - Answer-A globular protein that links into chains, two of which twist helically about each other, forming microfilaments in muscle and other contractile elements in cells.
/.active site - Answer-The part of an enzyme or antibody wher...
Actin - Answer-A globular protein that links into chains, two of which twist helically about
each other, forming microfilaments in muscle and other contractile elements in cells.
/.active site - Answer-The part of an enzyme or antibody where the chemical reaction
occurs.
/.active transport - Answer-Energy-requiring process that moves material across a cell
membrane against a concentration difference
/.adhesion - Answer-attraction between molecules of different substances
/.allosteric regulation - Answer-When a protein's function at one site is affected by the
binding of a regulatory molecule to a separate site.
/.amino acid - Answer-an organic molecule with both an amino group and a carboxyl
group; building blocks of protein
/.amphipathic - Answer-having both a hydrophilic region and a hydrophobic region
/.Amyloplast - Answer-plastid that stores starch
/.anabolic pathway - Answer-A metabolic pathway that consumes energy to synthesize
a complex molecule from simpler compounds.
/.Aquaporins - Answer-water channel proteins
/.Autophagy - Answer-A process in which lysosomes decompose damaged organelles
to reuse their organic monomers
/.Barbiturates - Answer-drugs that depress the activity of the central nervous system,
reducing anxiety but impairing memory and judgment
/.basal body - Answer-anchors the cilium or flagellum
/.Bioenergetics - Answer-the study of how energy flows through living organisms
/.Bioinformatics - Answer-the use of computer software and other computational tools
that can handle and analyze large data sets of genomes
/.bound ribosomes - Answer-ribosomes attached to the outside of the endoplasmic
reticulum or nuclear envelope
, /.calorie - Answer-Amount of energy needed to raise temperature 1 gram of water 1
degree C
/.carrier proteins - Answer-a protein that transports substances across a cell membrane,
carrying passengers
/.catabolic pathway - Answer-A metabolic pathway that releases energy by breaking
down complex molecules to simpler compounds.
/.cell fractionation - Answer-technique in which cells are broken into pieces and the
different cell parts are separated
/.cell motility - Answer-encompasses both changes in cell location and more limited
movements of parts of the cell
/.cell wall - Answer-an extracellular structure of plant cells that protects the plant cell,
maintains its shape, and prevents excessive uptake of water
/.Centriole - Answer-structure in an animal cell that helps to organize cell division
/.Centrosome - Answer-A structure in animal cells containing centrioles from which the
spindle fibers develop.
/.channel proteins - Answer-provide corridors that allow a specific molecule or ion to
cross the membrane
/.Chlorophyll - Answer-A green pigment found in the chloroplasts of plants, algae, and
some bacteria
/.Chloroplast - Answer-An organelle found in plant and algae cells where photosynthesis
occurs
/.chromoplast - Answer-plastids that contain pigments used in photosynthesis.
/.Cilia - Answer-Hairlike projections that extend from the plasma membrane and are
used for locomotion
/.cisternae - Answer-flattened membranous sacs
/.coenzyme - Answer-organic cofactor
/.Cofactors - Answer-Any nonprotein molecule or ion that is required for the proper
functioning of an enzyme. They may be permanently bound to the active site or may
bind loosely with the substrate during catalysis
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