Portage Learning| BIOL 271 Microbiology w/ Lab Module 1 Exam; Latest +100 Questions And Answers| Verified

Portage Learning| BIOL 271 Microbiology w/ Lab Module 1 Exam;
Latest +100 Questions And Answers| Verified



Institution: Portage Learning
Course Code: BIOL 271
Course Title: Microbiology w/ Lab

Exam: Module 1

Topic: Intro To Microbiology, Prokaryotes Vs Eukaryotes, Cellular Organelles And
Arrangements.
Edition: Latest Questions


Student Name: _______________________________
Student Id: _________________________________
Instructor: _________________________________


Instructions:
Answer All Questions.
Choose The Correct Answer




QUESTIONS TYPE:
➢ Multiple Choice:
➢ True Or False:
➢ Explain/Describe/ Identification
➢ Fill In The Blank
➢ Short Answer


All The Best!!

,Intro To Microbiology, Prokaryotes Vs Eukaryotes, Cellular Organelles
And Arrangements.

Question 1.
A Virus Is Considered A Microorganism.
A. True
B. False
ANS. B
Feedback: Viruses Are Not Classified As Living Microorganisms Because They Lack
Cellular Structure And Cannot Reproduce Independently Of A Host Cell. They Are
Acellular Infectious Agents.
A Microorganism (Or Microbe) Strictly Refers To A Microscopic Living Organism.
Living Organisms Must Meet Certain Biological Criteria: They Must Possess A Cellular
Structure, Maintain Homeostasis, Carry Out Independent Metabolic Processes (Like
Generating Energy/ATP), And Reproduce On Their Own. Viruses Fail To Meet These
Essential Requirements.


Question 2.
The Smallest Biological Unit Of Life Is The ____.
A. Atom
B. Molecule
C. Cell
D. Tissue
E. Organelle
ANS. C
Feedback: The Cell Is The Smallest Unit Capable Of Carrying Out All The Processes Of
Life (Metabolism, Reproduction, Response To Stimuli).

,A Fundamental Principle Of Biology States That All Living Organisms Are Composed
Of One Or More Cells, And The Cell Is The Basic Structural And Functional Unit Of
Life.


Question 3.
At A Generalized Level, All Cells Are Comprised Of What?
A. Proteins, Lipids, Nucleic Acids And Carbohydrates
B. Proteins, Lipids, Vitamins And Minerals
C. Proteins, Sugars, DNA And Water
D. Carbohydrates, Fats, Salts And Enzymes
ANS. A
Feedback: All Cells Share Four Fundamental Macromolecule Classes: Proteins, Lipids,
Nucleic Acids, And Carbohydrates.


Question 4.
Identify The Following Cellular Components By Matching The Number With The
Description.

,Correct Answers:
1. F - Nucleus
2. B - Lysosome
3. E - Plasma Membrane
4. G - Golgi Apparatus
5. D - Rough Endoplasmic Reticulum


Question 5.
How Many Different Amino Acids Are Used To Build Proteins?
A. 20
B. 10
C. 50
D. 100
ANS. A
Feedback: There Are 20 Standard Amino Acids That Are Universal Across Living
Organisms And Encoded Directly By The Genetic Code To Synthesize Proteins. These
Amino Acids Combine In Various Sequences—Much Like Letters Forming Words—To
Create The Thousands Of Different Proteins Essential For Biological Functions.
They Are Broadly Classified Into Two Categories:
Essential Amino Acids (9): Must Be Obtained From The Diet Because The Human Body
Cannot Synthesize Them.
Non-Essential Amino Acids (11): Can Be Synthesized By The Human Body Internally.


Question 6.
Define An Essential Amino Acid.
ANS. An Essential Amino Acid Cannot Be Produced By The Human Body And As Such
Must Be Take In From The Environment Through Alternative Sources (I.E) Food.


Question 7.
Where Can The Two Major Types Of Nucleic Acids Be Found In The Cell, And
What Are Their Roles?

,ANS. While Both DNA And RNA Can Be Found In The Nucleus (Center Of The Cell),
Only RNA Is Capable Of Leaving The Nucleus. DNA Contains A Vast Amount Of
Hereditary Information And Is Responsible For The Inheritable Characteristics Of Living
Organisms. RNA Is Responsible For Deciphering The Hereditary Information In DNA
And Using It To Synthesize Proteins.


Question 8.
Complete The Following RNA Strand, And Indicate How Many Bonds Are Formed
For Each Complementary Pair:
3' GGUCAUCG 5'
5' CC AGC 3'
ANS.
3' GGUCAUCG 5'
5' CCAGUAGC 3'
There Are 2 Bonds Formed Between A And U, And 3 Bonds Between G And C.


Question 9.
Label The Below Parts Of The Eukaryotic Cell:

,Correct Answers:
A – Nuclear Envelope
B – Nucleus (Nuclear Pore Is Crossed Out)
C – Ribosome
D – Rough Endoplasmic Reticulum
E – Plasma Membrane
F – Cell Coat
G – Cytoplasm
H – Golgi Body
I – Mitochondrion
J – Centriole
K – Free Ribosome
L – Smooth Endoplasmic Reticulum
M – Lysosome
N – Nuclear Pore
O – Chromatin
P – Nucleolus


Question 10.
Label The Below Parts Of The Prokaryotic Cell:

, Correct Answers:
A- Flagellum
B- Food Granule
C- Ribosomes
D- Pili (Many Pilus)
E- Chromosome (Nucleoid Region)
F- Capsule
G- Cell Wall
H- Plasma Membrane
I- Cytoplasm
J- Plasmid (DNA)


Question 11.
Identify The Below Bacteria Morphology:




A. Cocci Cluster
B. Cocci Chain
C. Bacillus
D. Vibrio
E. Spirillum
ANS. D
Feedback: Vibrio (Comma-Shaped):
Morphology: Vibrio Refers To Bacteria That Are Curved Rods Resembling A Comma,
Cashew, Or Bean.Example: Vibrio Cholerae, The Bacterium Responsible For Causing
Cholera.


Question 12.