Cell Biology (PCB 3023) Test 1 – Varma
Study Guide with Complete Solutions
Large examples of eukaryotic cells are... - Answer️️ -Yeast or
amoebas
Differentiating factors between plant and animal cells - Answer️️ -
1. Cell wall
2. Large central vacuole as opposed to vesicles
2. Chlo...
Molecular Cell Biology PCB 3023 BROWARD COLLEGE/ UNIVERSITY of
SOUTH FLORIDA/ UCF COLLEGE Of Sciences
Cell Biology (PCB 3023) Test 1 – Varma
Study Guide with Complete Solutions
Large examples of eukaryotic cells are... - Answer✔️✔️-Yeast or
amoebas
Differentiating factors between plant and animal cells - Answer✔️✔️-
1. Cell wall
2. Large central vacuole as opposed to vesicles
2. Chloroplasts
Limitation to eukaryotic cells and photosynthesis - Answer✔️✔️-The
sea slugs that live in symbiotic relationships with cyanobacteria or
algae. The algae is not broken down or digested and absorbed into
the slug's body. There is then a horizontal gene transfer.
Who created the theory that all cells came from a single cell -
Answer✔️✔️-Carl Woose
4 most common elements in living organisms - Answer✔️✔️-
Hydrogen, Carbon, Oxygen, and Nitrogen
Types of intramolecular bonds (2) - Answer✔️✔️-ionic and covalent
When bonds form, energy is... - Answer✔️✔️-released
Molecular Cell Biology PCB 3023 BROWARD COLLEGE/ UNIVERSITY of
SOUTH FLORIDA/ UCF COLLEGE Of Sciences
When bonds break, energy is - Answer✔️✔️-absorbed
Why is energy released when bonds form - Answer✔️✔️-Because the
molecules moves to a more energetically stable state with full shells
of valence electrons rather than partially filled orbitals
When does a polar bond form - Answer✔️✔️-When there is an
unequal sharing of electrons between two different atoms
A covalent bond's angles depends on its... - Answer✔️✔️-
hybridization state
Molecular Cell Biology PCB 3023 BROWARD COLLEGE/ UNIVERSITY of
SOUTH FLORIDA/ UCF COLLEGE Of Sciences
could be formed. They can break because the loss of energy by
breaking hydrogen bonds in compensated for in the formation of
new covalent bonds.
Why can ATP be hydrolyzed if it costs energy? - Answer✔️✔️-Because
only the hydrolysis costs energy. The formation of new ATP
compensates for the energy lost in the first reaction, but the overall
change is more important in determining if the reaction will happen
spontaneously.
What are energy carriers, and what are 4 examples? - Answer✔️✔️-
Molecules whose hydrolysis releases "useful" energy (for the
coupling of reactions
Examples:
1. ATP
2. NADPH
3. NADH
4. Acetyl CoA
What are the four major families of organic molecules? - Answer✔️✔️-
1. Amino Acids
2. Nucleotides
3. Monosaccharides
3
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