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BS 161 EXAM 2 (ACTUAL EXAM) WITH CORRECT 80 ACTUAL QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS LATEST 2024 ALREADY GRADED A+ $12.99   Add to cart

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BS 161 EXAM 2 (ACTUAL EXAM) WITH CORRECT 80 ACTUAL QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS LATEST 2024 ALREADY GRADED A+

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BS 161 EXAM 2 (ACTUAL EXAM) WITH CORRECT 80 ACTUAL QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS LATEST 2024 ALREADY GRADED A+

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  • August 19, 2024
  • 46
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BS 161
  • BS 161
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NurseLNJ
BS 161 EXAM 2 (ACTUAL EXAM) WITH
CORRECT 80 ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST 2024 ALREADY GRADED A+


what are the different functions membrane proteins perform (4) -
ANSWERS-transporters, receptors, enzymes, anchors



permanently associated with cell membrane (cannot be separated
without destroying the membrane itself) - ANSWERS-integral
membrane proteins



T/F: Pyruvate oxidation produces a large amount of ATP through
substrate-level phosphorylation - ANSWERS-false



which stage of cellular respiration occurs following production of
pyruvate - ANSWERS-pyruvate oxidation

,which stages of cellular respiration produce CO2 as a waste product -
ANSWERS-pyruvate oxidation and citric acid cycle



what is the net product of glycolysis - ANSWERS-2 pyruvate



what happens when glucose is phosphorylated during phase 1 of
glycolysis - ANSWERS-glucose is destabilized so it can be broken apart in
phase 2



of the 6 carbons in a starting molecule of glucose, at the completion of
pyruvate oxidation, _____ carbons are fully oxidized to _____, while
_______ carbons remain in _________ - ANSWERS-two; CO2; four;
acetyl groups



which stage of cellular respiration uses O2 as an input - ANSWERS-
oxidative phosphorylation



The interior region of a phospholipid bilayer is characterized as:



hydrophilic and polar.

hydrophobic.

polar.

,hydrophilic. - ANSWERS-b



In water, phospholipids can spontaneously form lipid bilayer structures.
What bonds/forces/interactions are most influential in formation of the
lipid bilayer?



-hydrogen bond interactions among water molecules and polar
phospholipid heads

-ionic interactions among Cl- ions and phosphates in the phospholipid
heads

-van der Waals attractions among water molecules and fatty acid tails

-hydrophobic exclusion of nonpolar fatty acid tails

-covalent bonds among phospholipids - ANSWERS-a and d



Long, saturated fatty acid tails _____ lipid mobility and _____
membrane fluidity



enhance; maintain

enhance; increase

reduce; decrease

reduce; increase

, maintain; decrease - ANSWERS-c



A transmembrane protein is a protein that spans the entire lipid bilayer.
Which of the following amino acids would likely be found the
hydrophobic region that is embedded in the membrane?



alanine

serine

arginine

lysine

glutamic acid - ANSWERS-a



Refer to Animation: Diffusion. Diffusion is best described as the random
movement of molecules influenced by:



-the width of the plasma membrane of the cell.

-energy transferred from molecular collisions in the cell.

-the thermal energy of the environment and energy transferred from
molecular collisions in the cell.

-the thermal energy of the environment and the width of the plasma
membrane.

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