46 terms

#1 Bio Exam

The Chemical bond in the gasoline in a cars gas tank illustrate ______ energy, while the movement of the car on the highway is ________.
Potential, Kinetic
The build up of Lactic acid indicates that muscles are functioning _________.
Educated Guess
The reactions of the calvin cycle do not occur at night why?
The Calvin cycle depends on the products of the light reactions.
In which compound would you expect the labeled oxygen atoms first to show up?
The final hydrogen acceptor in the noncyclic pathways of photosynthesis is _______
Where does the Krebs Cycle Occur?
Inner mitochondria compartments
How does an enzyme increase the speed of a reaction?
by lowering activation energy
In photosynthesis, chlorophyll molecules struck by light lose electrons, these are finally replaced by?
splitting water
Who was the first to say the earth circled the sun?
When ATP releases energy it forms?
Photosynthesis is the highest in __________ light
Red and Blue
According to the first law of thermodynamics....
The total amount of energy is constant, energy can not be created or destroyed, bu it can be converted
Which statement about exergonic reactions is true?
The reactants have more energy than the products
The ultimate source of energy for living things is the__________
In aerobic respirations, the final electron acceptor in electron transport phosphorylation is ____________?
______________ is the first step of the scientific method.
Making an observation
The "Induced fit hypothesis" provides and explanation for _______________.
Enzyme specificity
This process precedes the second stage of aerobic respiration.
electron transfer phosphorylation
This Process yields 32 molecules of ATP
The Krebs Cycle
This process yields 2 molecules of ATP
Alcohol Fermentation
This process yields a final product of ethanol
Lactate Fermentation
This process yields a final product Lactate
When FAD+ combines with hydrogen the FAD+ becomes ____________.
Where do the light-independent, carbon- fixing reactions occur?
In the chloroplast stroma
____________ is the products of the fermentation of sugar by yeast in bread dough that makes the bread rise.
carbon dioxide (Co2)
It takes ________ turns of the calvin-benson cycle to produce one molecule of glucose.
A photosystem consists of two major parts. The First part is ____________ and the second part is ______________
A light harvesting complex, the electron transport chain.
Catabolic reactions are reactions that _________
Break down complex molecules.
A controlled experiment is one that ____________
Includes experimental groups and control groups tested in parallel.
Which of the following are produced by the reactions that take place in the thylakoid membrane and consumed by the reactions in the stroma?
Third stage of aerobic respiration occurs in the ____________
Inner membrane of the mitochondria
Where do the light-dependent reactions of photosynthesis occur?
Thylacoid membrane
The process that converts glucose into two molecules of pyruvate is _________
Enzymes are ______________?
Yields a TOTAL of four molecules and of ATP
Regenerates NAD+ as pyruvate is converted to ethanol or lactate.
Acetyl-CoA Formation
Chemically grooms pyruvate, producing NADH and Co2
The Krebs Cycle
Produces ATP, NADH, and Co2
Electron Transfer phosphylration
Uses a membrane-bound system to produce ATP
Most of the organisms in which groups are photosynthetic?
ATP ______________________?
Is produced by photosynthesis, breakdown of glucose, anaerobic respiration, and aerobic respiration.
The roles of accessory pigments are to ____________?
Capture additional wavelengths of lights to enhance photosynthesis.
What does the second law of thermodynamics predict?
Systems always tend toward greater states of disorder.
ATP is important in cells in cells because _____________?
It acts as an energy carrier
Electron Transport systems ______________.
Are found in both mitochondria and chloroplasts, release energy as electrons are transferred, are involved in the production of ATP, and are located in a membrane.