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BIO 414 NCSU Dr Parks Final Exam Questions with 100% Actual correct answers | verified | latest update | Graded A+ | Already Passed | Complete Solution

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BIO 414 NCSU Dr Parks Final Exam Questions with 100% Actual correct answers | verified | latest update | Graded A+ | Already Passed | Complete Solution

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  • June 19, 2024
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  • 2023/2024
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BIO 414 NCSU Dr Parks Final Exam
Function of cellular membrane - ANS-provides selective permeability, maintains
electrochemical gradient, compartmentalizes organelles, maintains osmotic pressure.

Membrane fluidity is affected by - ANS-1. Lipid composition: short unsaturated chains
increase fluidity
2. Temperature: fluidity decreases in colder conditions

Which part of the ATP synthase is considered the mobile component of the F0 unit and
required a proton binding to drive the rotor? - ANS-C

Which part of the ATP synthase is considered the static component of the F1? -
ANS-alpha and beta

The H+ (from the ETC) travel from one side of the membrane to the other through which
structure of the ATP synthase? - ANS-b

Hydrophobic/ilic analysis is useful in determining what feature of a protein? - ANS-the
number of transmembrane segments

Singer and Nicolson - ANS-Proposed the fluid mosaic model and that proteins
constitute a major class of constituents of the plasma membrane

A membrane protein that is glycosylated on the extracellular side is most likely
functioning as a ____________. - ANS-receptor (recognition site)

glycosylation occurs in - ANS-the ER and Golgi.

The majority of carbohydrates in membranes are attached to _________. -
ANS-glycoproteins

Glucose crosses the cell membrane via - ANS-facilitated diffusion

Water, oxygen, fatty acids, and ethanol can cross cell membrane via - ANS-simple
diffusion

In electron transport, which respiratory complex is not involved in the flow of electrons
from FADH2? - ANS-Complex 1

, In the ETC: Complex 1 receives it's electrons from - ANS-NADH

What Coenzyme carries electrons from complex 1 to complex 3? - ANS-Q

Complex 1 is composed of - ANS-NADH dehydrogenase and a proton channel

complex 2 receives electrons from - ANS-FADH2

Complex 3 is a mechanism for ___ ions to travel from matrix to inner-membrane space
(from complex 1-> CoQ) and down to complex 4. - ANS-H+

True or false: the order below shows the correct sequence of molecules through which
electrons flow when delivered to the electron transport system by NADH?

Complex 1, coQ, Complex 3, cytochrome c, complex IV, oxygen - ANS-True

True or false: the order below shows the correct sequence of molecules through which
electrons flow when delivered to the electron transport system by FADH2?

Complex 2, Complex 3, Co Q, cytochrome, Complex 4, Oxygen. - ANS-False. Correct
order: Complex 2, CoQ, Complex 3, Cytochrome, Complex 4, Oxygen.

What can cross the plasma membrane without the aid of a transport protein? -
ANS-Water

In the ETC, oxygen is the final _______ ____________. - ANS-Electron acceptor

Aerobic prokaryotes are able to produce the most ATP per glucose molecule because
they do not have to send anything through the _________. - ANS-mitochondria

What increases the activity of pyruvate dehydrogenase? - ANS-NAD+ and AMP

Active transport has a ___________ rate of transport into the cell over time. -
ANS-steady

What form of cell respiration produces 30-34 ATP? - ANS-ETC

What cell respiration process occurs in the cytoplasm? - ANS-Glycolysis

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