BIO 202 - SBU Exam 1 Questions and Verified Answers | 100% Accurate

BIO 202 - SBU EXAM 1 QUESTIONS
AND VERIFIED ANSWERS; GET IT
100% ACCURATE


2nd Law of Thermodynamics - correct answer-
Cells lose heat, therefore they require an energy input


3' End - correct answer- - Has Hydroxyl group (-
OH)


5' End - correct answer- - Always starts here
- Has Phosphate group (-PO3)


Allosteric (Enzyme Regulation) - correct answer-
- Enzymes have 2 sites (active and allosteric)
- Noncompetitive
- Activator - lock enzyme into active form
- Inhibitor - lock enzyme in inactive form

,Amino Acids - correct answer- - Basic amino
group (N-Terminus)
- Acidic carboxyl group (C-Terminus)


ATP Cycle - correct answer- ATP -> energy
released -> Energy consumed to build complex molecules
-> ADP -> energy released to break complex molecules ->
cellular respiration needed -> ATP


Base Pairing - correct answer- - C-G = 3 H-
bonds
- A-T = 2 H-bonds


Cell Size - correct answer- - Large surface area
is needed for the cell to interact with the environment
- Material being moved in and out of the cell relates to
volume
- If the cell gets too big then the membrane will not be
able to keep up with demands

, Central Vacuole - correct answer- - Plant
equivalent (homolog) of lysosomes
- Large central vesicle
- Disposal/recycling
- Storage
- Reduces cell volume for faster diffusion


Chloroplasts - correct answer- - In plant cells
- Green plastids
- Site of photosynthesis
- Double membrane (intermembrane space is narrow)
- Has its own genome (phagocyte)


Cholesterol - correct answer- Increases fluidity
of the bilayer


Chromatin - correct answer- DNA + histones