PCB 3023 - Cell Biology Exam 1 Review questions with answers

PCB 3023 - Cell Biology Exam 1 Review
questions with answers

What is cell biology? - CORRECT ANSWERS ✔✔the study
of the cell structure, dynamics, and functions


At what levels do cell biologist study? - CORRECT
ANSWERS ✔✔at microscopic and molecular levels


Around what concept does cell biology revolves around? -
CORRECT ANSWERS ✔✔the concept that cells are the
fundamental units of life


What are the two basic cell types? - CORRECT ANSWERS
✔✔prokaryotes and eukaryotes


What's the primary difference between eukaryotes and
prokaryotes? - CORRECT ANSWERS ✔✔an eukaryotic cell
has a nucleus that contains most of its DNA, a prokaryote
does not


Dr. Carl Woese - CORRECT ANSWERS ✔✔revealed that
prokaryotes can be divided into two sub-classes (archae
and bacteria) on the basis of molecular information

,Distinctive characteristics of a plant cell - CORRECT
ANSWERS ✔✔1. cell wall
2. chloroplast
3. vacuole


Can animals cells carry out photosynthesis? - CORRECT
ANSWERS ✔✔yes


What is the major site for ATP production in eukaryotic
cells? - CORRECT ANSWERS ✔✔mitochondria


Where does transcription occur in a eukaryotic cell? -
CORRECT ANSWERS ✔✔nucleus


Protein synthesis takes place in the - CORRECT ANSWERS
✔✔1. mitochondria
2. ER
3. cytosol


The major function of the lysosome is - CORRECT
ANSWERS ✔✔degradation of macromolecules and
organelles

, Most common elements in living systems - CORRECT
ANSWERS ✔✔1. hydrogen
2. oxygen
3. carbon
4. nitrogen


Types of bonds - CORRECT ANSWERS ✔✔1. ionic
2. covalent


Ionic bonds ___________ electrons - CORRECT ANSWERS
✔✔transfer


Covalent bonds _____________ electrons - CORRECT
ANSWERS ✔✔share


Energy is ___________________ when a bond forms -
CORRECT ANSWERS ✔✔released


Energy is ___________________ when a bond breaks -
CORRECT ANSWERS ✔✔absorbed


Types of covalent bonds - CORRECT ANSWERS ✔✔1.
single
2. double