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AP BIO MIDTERM
pg 5&6
20
Biology
12th Grade
12/13/2008

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Term
_____ would be used by white blood cells to ingest bacteria
Definition
endocytosis
Term
____ explains the movement of any kind of molecule against the concentration gradient
Definition
simple diffusion
Term
____ specifically moves water molecules across a differentially permeable membrane
Definition
osmosis
Term
____ rcplains the movement of molecules against the concentration gradient
Definition
active transport
Term
A Single celled freshwater organisms, is transferred to saltwater. Which is likely to happen.
Definition
cell will shrink (hypertonic)
Term
____ reactions starts with reactants with high potential energy
Definition
exergonic reactions
Term
Add energy for the reactants to absorb is NOT a function of a (n)_____
Definition
enzyme
Term
______ occurs when the temperature reaches a critical pointthe enzyme activity decreases suddenly.
Definition
denaturation of enzyme
Term
When full the innermost electron shell of an atom contains___ electrons, and the outermost shell contains ___ electrons
Definition
2..8
Term
Table salt is formed when _ and_ share electrons to form a bond
Definition
Na and Cl
Term
The bone contains_____ which are less reactive than the __ ions found in the ___
Definition
calcium salts
calcium ions
blood
Term
Difference in covalent bonding and ionic bonding
Definition
Covalent: share electrons
ionic: one captures an electron from another
Term
Water molecules is held together by ___ bonds
Definition
polar covalent
Term
____ are weak bonds not stong enough to hold atoms together to form molecules, but are strong enough to from bridges b/t molecules
Definition
hydrogen bonds
Term
Why is ATP is a godd molecules for energy coupling?
Definition
second/ third groups are unstable
Term
____ is the site of proteins synthesis
Definition
ribosome
Term
cellular digestion and disposal of biological molecule occurs inside this organelle
Definition
lysosome
Term
Sugar metabolism occurs in association with this organelle
Definition
mitochondria
Term
The packaging of secretory proteins occurs in association with this structure
Definition
endoplasmic reticulum
Term
this organelle is involved with lipid prodcution and proteins transport!!! TRANSPORT!!!
Definition
golgi
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