#1 Bio Exam

Created by carlcurtis11 

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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 _________.

anaerobically

Educated Guess

Hypothesis

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?

oxygen

The final hydrogen acceptor in the noncyclic pathways of photosynthesis is _______

NADP+

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?

Copernicus

When ATP releases energy it forms?

ADP+Pi

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__________

Sun

In aerobic respirations, the final electron acceptor in electron transport phosphorylation is ____________?

Oxygen

______________ 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.

Glycolosis

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 ____________.

reduced

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.

Six

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?

ATP + NADPH

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 _________

Glycolysis

Enzymes are ______________?

Proteins

Glycolysis

Yields a TOTAL of four molecules and of ATP

Fermentation

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?

Plants

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.

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