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BIOL-L 112 Exam 1 with complete solutions
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BIOL-L 112 Exam 1 with complete solutions
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BIOL-L 112 Exam 1 with completesolutions
Signal proteins situated in membranes bind to _________ generating a large cascade of reactions which
results in the activation of specific genes. - correct answer -membrane surface receptors
What is the ultimate fate of oxygen gas (O2) in cellular respiration? - correct answer -converted to water
Membrane sterols such as cholesterol function in animal cell membranes to ____. - correct answer -
maintain membrane fluidity and shape
The final product of glycolysis derived from one molecule of glucose is ____. - correct answer -2
pyruvates
Nucleosomes are composed of ____. - correct answer -DNA and histones
Proteins are polymers of ____. - correct answer -Amino Acids
Bacteria are producers. T/F - correct answer -T
If your body runs very low on oxygen, it will begin to perform ____________ - correct answer -lactic acid
fermentation
Enzymes work by: - correct answer -Increasing rate of reaction
Oxygen acts as a final electron acceptor in respiration and is ultimately converted into which molecule? -
correct answer -water
In the Citric acid Cycle: - correct answer -NADH and CO2 are produced when alpha ketoglutarate is both
produced and metabolized
, The _______ is involved in the synthesis of lipids. - correct answer -Smooth ER
Which is the most correct statement about the role of photosynthesis in an ecosystem? - correct answer
-primary consumers rely on primary producers to make light energy available in a usable form
In the absence of ATP synthase, animal cells would not be able to ____ - correct answer -Carry out
oxidative phosphorylation
Alzheimer disease, sickle cell anemia and mad cow disease are all examples of diseases caused by ____. -
correct answer -protein misfolding
Which of the following types of organisms do NOT depend on mitochondria to survive? - correct answer
-Bacteria
The following is composed of microtubules except - correct answer -intermediate filament
All of the following are functions of integral membrane proteins EXCEPT ____. - correct answer -Cell
division
If your body runs very low of oxygen, it will begin to perform ____________ . - correct answer -lactic
acid fermentation
Movement of a substance from an area of low concentration to an area of high concentration using
energy obtained from ATP is called ____. - correct answer -active transport
Which of the following are primarily responsible for the movement of organelles and chromosomes
within the cell?
Group of answer choices - correct answer -microtubules
A reaction in progress has: - correct answer -less entropy than the same reaction at equilibrium
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