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TAMU BIO 213 EXAM 2 DR. HARDIN QUESTIONS WITH COMPLETE ANSWERS

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TAMU BIO 213 EXAM 2 DR. HARDIN QUESTIONS WITH COMPLETE ANSWERS

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FAD's are derivatives of what?


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Nucleotides




What are the 4 functional groups of membrane proteins?


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Transporters
Anchors
Receptors
Enzymes

,Ubiquinone directly receives electrons from what energy carrying molecule?


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FADH₂

FADH₂ -> FAD + 2 H⁺




What is the net yield of Glycolysis?


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2 ATP




What kind of channels are neurotransmitter receptors most often?


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Gated ion channels




Second stage of photosynthesis, Carbon Fixation
What Happens here? Where does it take place?


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ATP and NADPH generated from first stage used here
to synthesize carbs from CO₂ and water. (Calvin Cycle)

, takes place in the chloroplast storm and can continue
until all ATP and NADPH is gone.




What is Threshold potential of a membrane?


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-40mV (depolarized)




What causes a localized membrane depolarization?


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A stimulus. Makes the membrane go from polarized to depolarized




What are some characteristics of chlorophyll?


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Membrane bound molecule
Core metal element
Amphipathic




What are some products, processes, or characteristics that happen within the
mitochondrial inner membrane

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Electron transport
ATP synthase
Permeability barrier




Does FADH₂ or NADH have higher energy electrons?


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NADH has higher




Order the ability to diffuse across a membrane from easiest to hardest by the 4
categories


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Small non polar molecules (O₂, CO₂, N₂, Steroid hormones)
Small uncharged polar molecules (H₂O, ethanol, glycerol)
Larger uncharged polar molecules (glucose, nucleosides)
Ions (H⁺, Na⁺, K⁺... amino acids also can't get in)




What produces a large electrochemical force?


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Proton pumping

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