Campbell Biology Exam Questions with Correct Answers
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Course
Campbell Biology
Institution
Campbell Biology
Campbell Biology Exam Questions with Correct Answers
Collagen - Answer-structural protein found in the skin and connective tissue - most abundant in animals
Proteoglycans - Answer-a glycoprotein consisting of a small core protein with many carbohydrate chains attached, found in the extracellula...
Campbell Biology Exam Questions
with Correct Answers
Collagen - Answer-structural protein found in the skin and connective tissue - most
abundant in animals
Proteoglycans - Answer-a glycoprotein consisting of a small core protein with many
carbohydrate chains attached, found in the extracellular matrix of animal cells.
Fibronectin - Answer-An extracellular glycoprotein secreted by animal cells that helps
them attach to the extracellular matrix.
Exocytosis - Answer-Process by which a cell releases large amounts of material
Phagocytosis - Answer-A type of endocytosis in which a cell engulfs large particles or
whole cells
Pinocytosis - Answer-A type of endocytosis in which the cell ingests extracellular fluid
and its dissolved solutes.
receptor-mediated endocytosis - Answer-The movement of specific molecules into a cell
by the inward budding of membranous vesicles containing proteins with receptor sites
specific to the molecules being taken in; enables a cell to acquire bulk quantities of
specific substances.
Metabolism - Answer-All of the chemical reactions that occur within an organism
Consumers - Answer-An organism that obtains energy and nutrients by feeding on other
organisms or their remains.
Feedback Regulation - Answer-the output or product of a process regulates that very
process
Hydrogen bond - Answer-a weak bond between two molecules resulting from an
electrostatic attraction between a proton in one molecule and an electronegative atom in
the other
Barbiturates - Answer-drugs that depress the activity of the central nervous system,
reducing anxiety but impairing memory and judgment
Smooth ER - Answer-That portion of the endoplasmic reticulum that is free of
ribosomes.
, Rough ER - Answer-That portion of the endoplasmic reticulum studded with ribosomes.
Glycoproteins - Answer-proteins that have carbohydrates covalently bonded to them
Integrins - Answer-membrane proteins; they transmit signals between the ECM and
cytoskeleton
tight junctions - Answer-Membranes of neighboring cells are pressed together,
preventing leakage of extracellular fluid
Endocytosis - Answer-process by which a cell takes material into the cell by infolding of
the cell membrane
Desmosomes - Answer-(anchoring junctions) fasten cells together into strong sheets
gap junctions - Answer-provide cytoplasmic channels between adjacent animal cells
consisting of proteins that surround a pore
amphipathic - Answer-having both a hydrophilic region and a hydrophobic region
integral proteins - Answer-membrane proteins that penetrate the hydrophobic interior of
the lipid bilayer
peripheral proteins - Answer-membrane proteins that are loosely bound to the surface
Glycolipids - Answer-Membrane carbohydrates that are covalently bonded to lipids.
Glycoproteins - Answer-Membrane carbohydrates that are covalently bonded to
proteins.
transport proteins - Answer-membrane proteins that help move substances across a cell
membrane
channel proteins - Answer-provide corridors that allow a specific molecule or ion to
cross the membrane
carrier proteins - Answer-a protein that transports substances across a cell membrane,
carrying passengers
Emergent Properties - Answer-New properties that emerge with each step upward in
the hierarchy of life, owing to the arrangement and interactions of parts as complexity
increases.
Gene expression - Answer-The process by which information in a gene directs the
manufacture of a cellular product.
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