BIO 353 Cell Biology Study Guide Exam 1 Multiple Choice/ True And False Questions And Answers
Which of the following about the Cell Theory is FALSE?
a) All cells come from preexisting cells through division
b) All organisms consist of one or more cells
c) The cell is the basic unit of structu...
BIO 353 Cell Biology Study Guide Exam 1 Multiple Choice/
True And False Questions And Answers
1. Which of the following about the Cell Theory is FALSE?
a) All cells come from preexisting cells through division
b) All organisms consist of one or more cells
c) The cell is the basic unit of structure for all organisms
d) All cells must contain organelles
e) None of the above
2. A student in a cellular biology laboratory is faced with the task of detecting protein X in muscle cells taken
from a rat. The tissue is required to be live while under analysis. The student also is presented with
numerous types of microscopes and is asked to choose the one to complete his task. Which type of
microscopy should be employed? a) Titration analysis
b) Transmission electron microscopy
c) Scanning electron microscopy
d) Fluorescence microscopy
e) None of the above
3. Two monosaccharaides underwent a chemical reaction in which H2O was expelled to form a
disaccharide. This reaction is termed _________ and is __________ in nature because it requires
energy. a) Condensation; catabolic
b) Hydrolysis; catabolic
c) Glycolysis; anabolic
d) Endosymbiosis; anabolic
e) Condensation; anabolic
4. Phospholipids are composed of two hydrophobic fatty acid tails joined to a hydrophilic
head making it amphipathic in nature. True or False
5. α-Helices and β-sheets are SPECIFICALLY elements of a protein’s: a) Primary structure
b) Secondary structure
c) Tertiary structure
d) Quaternary structure
e) None of the above
6. Which technique is used to determine the structure of proteins?
a) Scanning electron microscopy
b) phase contrast microscopy
c) Gene cloning
d) X-ray crystallography
e) SDS PAGE
7. The type(s) of noncovalent interactions used to stabilize the folding of proteins is/are:
I. Electrostatic interactions
II. Van Der Waals attractions III. Hydrogen bonds
a) I and II only
This study source was downloaded by 100000891996194 from CourseHero.com on 10-11-2024 03:38:35 GMT -05:00
, b) I, II and III
c) III only
d) I and III only
e) None of the above
8. Telomeres are:
a) Located at the ends of chromosomes
b) Contain repeated nucleotide sequences
c) Cap the end of the chromosome, preventing and protecting it from being recognized as a broken
DNA molecule
d) Useful because they ensure the ends of chromosomes are replicated efficientlye) All of the above
9. Chemical modification of nucleotides takes place while RNA is being transcribed. True or False
10. This organelle is responsible for ATP production and fatty acid oxidation.
a) Rough endoplasmic reticulum
b) Smooth endoplasmic reticulum
c) Mitochondria
d) Golgi apparatus
e) Nucleus
11. Which of the following is FALSE about RNA Splicing?
a) Exons are removed from the newly synthesized RNA and introns are stitched together.
b) The process involves small nuclear RNA molecules
c) snRNPs play a significant role in this process
d) A spliceosome carries out the function of RNA Splicing
e) None of the above
4. True
5. B
6. D
7. B
8. E
9. True
10. C
11. A
Important Concepts______________________________________________________________ This
list contains the most important concepts that you will find useful for the exam from each lecture.
• Briefly describe the following scientist(s) contribution to cell biology:
Schleiden & Schwann
This study source was downloaded by 100000891996194 from CourseHero.com on 10-11-2024 03:38:35 GMT -05:00
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