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Bio 101

Sean

QuestionAnswer
During cellular respiration, electrons move through a series of electron acceptor molecules. What is a true statement about this process? Oxygen is eventually reduced by the electrons to form water.
Aerobic cellular respiration generates about ______ ATP from one glucose. 38
What waste product do yeast produce under anaerobic conditions? ethyl alcohol
In cellular respiration, most ATP is produced directly as a result of ______. the movement of hydrogen ions across the inner mitochondrial membrane
What must pyruvic acid be converted to before it can enter the citric acid cycle? acetyl CoA
An aerobic process requires ______. oxygen
The waste products of cellular respiration include ______. C. water and carbon dioxide
Human muscle cells use lactic acid fermentation to produce ATP without O2
Photosynthetic organisms are ______. producers that make all their own organic matter from inorganic molecules
The second stage of aerobic respiration is ______. the citric acid cycle
What compound directly provides energy for cellular work? ATP
Which of the following is the correct sequence of stages in cellular respiration? glycolysis, citric acid cycle, electron transport
Which of the following are produced during cellular respiration? carbon dioxide, water, and ATP
The ultimate source of the energy in food is ______. the sun
Plant cells ______ have chloroplasts and mitochondria
Which part of cellular respiration produces the most NADH? citric acid cycle
Anaerobic respiration produces a maximum of ______ ATP per glucose. 2
Where in the cell does glycolysis occur? cytoplasm
Electron transport takes place in the ______. mitochondria
A product of glycolysis is ______. pyruvic acid
During redox reactions, ______. electrons are lost from one substance and added to another substance
Large amounts of oxygen gas first appeared in Earth's atmosphere about ______ years ago. 2.7 billion
The energy of wavelengths that appear ______ is least useful to photosynthesis. green
What is one reason why plants have accessory pigment molecules, like chlorophyll b and carotenoids? to absorb energy in parts of the electromagnetic spectrum that chlorophyll a cannot
______ is the source of the oxygen gas released by a photosystem. H2O
Which of the following is the source of electrons for the light reactions? H2O
C4 plants conserve water by ______. keeping their stomata closed when the weather is hot and dry
What compound is found at the reaction center of a photosystem? chlorophyll a
What is the function of stomata? gas exchange
CAM plants conserve water by ______. Opening their stomata only at night
Within the inner membrane of a chloroplast, interconnected sacs of membrane called ______ are suspended in a thick fluid called the ______. Thylakoids... stroma
Which of the following equations best summarizes photosynthesis? 6 CO2 + 6 H2O → C6H12O6 + 6 O2
Which of the following is an autotroph? pine tree
In photosynthesis, an H+ ion gradient forms across the thylakoid membrane
Where are photosystems located? thylakoid membrane
The Calvin cycle makes direct use of ______ to make ______. CO2, ATP, and NADPH... sugar
The shorter the wavelength of visible light, the ______. greater the energy
The Calvin cycle requires ______ and ______ from the light reactions in order to operate. ATP... NADPH
Which of the following is produced during the light reactions of photosynthesis? O2
The color that we see when looking at a pigmented object is ______. the wavelengths that are reflected or transmitted by the pigmented objecT
Created by: Addiejo
 

 



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