BIOD 171 Module 2 Quiz with Verified Answers |Latest 2024/2025

BIOD 171 Module 2 Quiz with Verified
Answers.

Why can enzymes be readily detected in a lab?
_;- _;- _;- _;- _;- _;- _;- _;- _;-_;- _;- They are not _;- _;- _;-



consumed or destroyed during chemical reactions _;- _;- _;- _;- _;-




Which class of enzymes protects the cell from oxidative damage
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;-



by reactive oxygen species?
_;- Catalase _;- _;- _;-_;- _;-




Active site -A region on an enzyme that binds to a protein
_;- _;-_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-



or other substance during a reaction
_;- _;- _;- _;- _;-




What is catabolism? _;- The process of breaking down larger
_;- _;-_;- _;- _;- _;- _;- _;- _;- _;-



molecules into useful energy sources _;- _;- _;- _;-




Upon cellular injury, which metabolic process is involved during
_;- _;- _;- _;- _;- _;- _;- _;- _;-



the growth and repair phases of the cell.
_;- anabolism _;- _;- _;- _;- _;- _;- _;-_;- _;-




An organism that obtains its energy (derives ATP) from photons
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;-



of light is called a __________________
_;- _;- phototrophic
_;- _;- _;- _;-_;- _;- _;-



microorganism

,An organism that derives its energy by removing electrons from
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;-



elemental sulfur would be classified as a ____________
_;- _;- _;- _;- _;- _;- _;- _;-_;- _;-



Lithotroph


Describe the energy transfer process relative to both ADP and
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;-



ATP ATP has the energy (phosphate group) to donate, and
_;-_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-



ADP can accept energy in the form of a phosphate group. Thus,
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-



ATP can be dephosphorylated (ATP-----> ADP + Pi), while ADP
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;-



can be dephosphorylated into ATP (ADP + Pi -----> ATP)
_;- _;- _;- _;- _;- _;- _;- _;- _;-




This phosphorylation process occurs in the mitochondria of
_;- _;- _;- _;- _;- _;- _;- _;-



chemotropic eukaryotes oxidative phosphorylation _;- _;-_;- _;- _;-




The catabolism of a single molecule of glucose goes through
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;-



what three transitions
_;- The breakdown of glucose goes
_;- _;-_;- _;- _;- _;- _;- _;- _;-



through 1. glycolysis 2. fermentation or respiration and then 3.
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;-



electron transport chain ETC _;- _;- _;-




True or false: in the absence of absence of oxygen fermentation
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-



produces 2 ATP false _;- _;- _;-_;- _;-




what is the primary byproduct of the TCA cycle select
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;-_;- _;-



NADH and FADH2 _;- _;-

, True or false: in the absence of oxygen fermentation produces 2
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-



ATP False, it does not produce any additional ATP
_;-_;- _;- _;- _;- _;- _;- _;- _;- _;-




True or false: the reactants of the TCA cycle directly enter and
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-



fuel the electron transport system
_;- _;- False _;- _;- _;-_;- _;-




What are the main two roles of glucose 6 - phosphate in the
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-



cell? G6P 1. prevents glucose from diffusing out of the cell
_;-_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-



and 2. serves as a signal molecule to the cell that glycolysis is
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-



about to begin. _;- _;-




What is the most energetic transition in the catabolism of
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;-



glucose? The ETC yields 34 ATP while both glycolysis and
_;-_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-



fermentation (or respiration) yield only 2 ATP _;- _;- _;- _;- _;- _;-




The reactants of the chemical equation are to the _____ of the
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-



arrow left _;-_;- _;-




In the absence of glucose, what cannot be used as alternative
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-



energy source? nucleic acids
_;- _;-_;- _;- _;-




For the catabolism of proteins and lipids, which enzymes are
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;-



used? lipases and proteases
_;-_;- _;- _;- _;-