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Criado por Daniela Larez
mais de 9 anos atrás
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Questão | Responda |
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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