Lab 5 & 6

Daniela Larez
Flashcards by Daniela Larez, updated more than 1 year ago
Daniela Larez
Created by Daniela Larez about 6 years ago
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Biology Flashcards on Lab 5 & 6, created by Daniela Larez on 02/11/2015.

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Question Answer
Proteins are composed of ______. Amino Acids
Major groups of biological macromolecules is : Proteins
How many common amino acids? 20
Amino acids are joined by ____ ? Peptide Bonds
Proteins can be __________. Structural, Transportation, and Hormones
Bio-catalyst are also known as? Enzymes
Enzymes are responsible for? Metabolic Reactions
Suffix -ase is for? types of enzymes
Molecule that "fits" enzymes to bring chemical change is? Substrate
The part where the enzyme binds the substrate is called? The active site
what is crucial for an enzyme to work? Its shape
When does an enzyme change shape? if temperature, salt, or pH levels change.
Optimum pH pH in which enzyme's activity is at its greatest
When an enzyme changes shape it is _______. denatured
In creasing temperatures on an enzyme do what? increase enzyme activity
decreasing temperatures on an enzyme does what? decreases rate of activity
Many organisms use enzymes to destroy ______ before it causes damage. Hydrogen Peroxide
Removal of Hydrogen Peroxide in animals is called? Catalase
Removal of Hydrogen Peroxide in plants is called? Peroxidase
Diffusion Movements of molecules from high concentrations areas to low concentrations areas.
Osmosis type of diffusion that moves water from high water content to low water content.
high water content aka low solute
low water content aka high solute
Tonicity amount of solute in a solution
Isotonic equal amounts of solute in and out of membrane
hypotonic solution outside membrane is lower than inside (big balls)
Hypertonic Solution inside membrane is larger than inside (shrivel)
plasmolysis movement of water in plants
Turger pressure when plants are hypotonic, water moves inside the cell creating pressure
turgid plant cells in hypotonic solution
In plasmolysis the cell membrane pulls away from the cell wall gathering _________________ to the center of the cell. Chloroplasts
Central Vacuole membrane bound organelle that contains water
beet red pigment betacyamin
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