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Set 9 - Chapter 4 - Cell Structure - Princeton

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celine's version from 2018-02-08 14:09

Section 1

Question Answer
Animal cells____________ have cell walls. do not
Bacteria have cell walls made ____________peptidoglycan
Engulfing large particles in a vesicle is known as ____________endocytosis
Facilitated diffusion is a way for ____________ substances to cross the cell membrane. hydrophilic
Fungi have cell walls made of ____________, and plants have cell walls made of ____________.chitin, cellulose
Simple diffusion____________ require energydoes not
Hydrophobic substances cross the membrane by ____________simple diffusion
A type of movement that requires energy and moves substances against their concentration gradients is called ____________active transport
A human blood cell placed in 10% solution of sodium chloride solution will ____________shrivel
Which term best describes a cell membrane?selectively permeable
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Section 2

Question Answer
ORGANELLE & FUNCTIONS
Golgi apparatus sorts and packages membrane and secreted proteins
Centriolesrelated generally to formation of the spindle during mitosis
Lysosomescontain hydrolytic enzymes; digest foreign substances and worn organelles
Rough ER holds ribosomes that synthesize membrane or secreted proteins
Cell membraneselectively permeable barrier that regulates what enters and exits the cell
Ribosomessites of protein synthesis
Nucleolussite of ribosome synthesis in the nucleus
Vacuolestores waste and other substances
Smooth ER cellular transport system
Mitochondria cellular respiration and ATP production; has double membrane
Nucleuscontains genetic material (DNA); control center of the cell
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Section 3

Question Answer
The fact that enzymes interact with substrate by physically fitting together has given rise to the phrase “ ____________ ” theorylock and key
Enzymes are known as organic ____________catalysts
When an enzyme has catalyzed a chemical reaction and the products are formed, the enzyme itself ____________ consumed and is ____________ to catalyze additional reactions. is not, available
The location on an enzyme where substrate binds is called the ____________active site
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