Bio 6 2
Terms
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- The kind of reaction where ATP is made.
- Catabolic
- Making ATP
- phosphorylation
- The kind of reaction where breaking proteins down into their amino acids
- catabolic
- The kind of reaction where ATP is used.
- anabolic
- The kind of reaction where amino acids are used to make proteins.
- anabolic
- More disorder, always increasing, unable to do work
- entropy
- The heat content of a system
- enthalpy
- Total E of a sytem that can do work under constant temperature and pressure
- Gib;s Free
- Endothermic or Exothermic? Heat is transferred from object to its surroundings.
- exothermic
- Endothermic or Exothermic? Heat is absorbed into an object from its surroundings.
- endothermic
- Exergonic or endergonic? Spontaneous reaction
- exergonic
- Exergonic or endergonic? Not sponteaneous reactions
- endergonic
- Exergonic or endogonic? energy released
- exergonic
- Exergonic or endogonic? requires energy
- endergonic
- Exergonic or endogonic? Products have less free energy than reactants
- exergonic
- Exergonic or endogonic? ATP->ADP+Pi
- exergonic
- Exergonic or endogonic? Phosphorylation
- endergonic
- ADP+Pi->ATP
- endergonic
- How do enzymes affect a reaction?
- They increase the rate of reaction
- Why is an ATP molecule important in metabolism?
- It has high-energy phosphate bonds
- A measure of disorder of a system
- entropy
- If products are more disordered than reactant entropy increases or decreases?
- decreases
- When proeteins are made from amino acids entropy increases or decreases?
- decreases
- disorder tends to increase or decrease?
- increase
- When relative concentrations of two reactants are such that forward and reverse reactions take place at the same rate.
- chemical equilibrium
- Endergonic or exergonic? cell respriration
- exergonic
- Endergonic or exergonic? cell movement
- endergonic
- Endergonic or exergonic? active transport
- endergonic
- What are two kinds of biological catylysts?
- enzymes and ribozymes
- The energy needed before exergonic reactions can procede.
- activation energy
- What kind of bonding can hold enzyme substrate complexes together?
- ionic, hydrogen, covalent
- Enzymes catalyze reactions using one or more of the following mechanisms:
-
Orienting substrates
Adding charges to substrates
Inducing strain in the substrates - The total energy of a sytem
- enthalpy
- Usable energy that can do work
- free energy
- Unusable energy
- entropy
- What are 3 products or ADP+H2O?
- ADP, Pi and free energy
- process that makes atp
- hydrolysis
- Substances that speed up a reaction without being permanently changed.
- catalysts
- unstable molecular forms created by activation energy
- transition-state species
- The reactants in an enzyme catalyzed reaction
- substrates
- The part on the enzyme where catalysis takes place
- active site
- A change in enzyme shape cause by subtrate binding.
- an induced fit
- Inorganic ions that bind to certain enzymes and are essential to their function
- cofactors
- carbon containing molecules that temporarily bind to an enzyme to help it react
- coenzymes
- groups that are permanently bound to enzymes
- prothetic groups
- enzymes that catalyze the same reaction but have different chemical composition and physical properties
- isozymes