StraighterLine Micro 250 Final Prep Questions and Answers | Latest Version | 2024/2025 | 100% Verified
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StraighterLine Micro 250
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StraighterLine Micro 250
StraighterLine Micro 250 Final Prep
Questions and Answers | Latest Version
| 2024/2025 | 100% Verified
What is the primary function of ribosomes in a cell?
A) DNA replication
B) Protein synthesis
C) Cell division
D) Energy production
B) Protein synthesis
Which structure is found...
StraighterLine Micro 250 Final Prep
Questions and Answers | Latest Version
| 2024/2025 | 100% Verified
What is the primary function of ribosomes in a cell?
A) DNA replication
B) Protein synthesis
C) Cell division
D) Energy production
✔✔ B) Protein synthesis
Which structure is found in both prokaryotic and eukaryotic cells?
A) Nucleus
B) Mitochondria
C) Ribosomes
D) Endoplasmic reticulum
1
,✔✔ C) Ribosomes
What distinguishes Gram-positive bacteria from Gram-negative bacteria?
A) Presence of a nucleus
B) Thick peptidoglycan layer
C) Outer membrane
D) Shape of the cell
✔✔ B) Thick peptidoglycan layer
What process is responsible for the movement of water across a semi-permeable membrane?
A) Diffusion
B) Active transport
C) Osmosis
D) Facilitated diffusion
2
,✔✔ C) Osmosis
What is the role of the bacterial capsule?
A) DNA replication
B) Protects the bacteria from the immune system
C) Energy production
D) Cell division
✔✔ B) Protects the bacteria from the immune system
Which type of microorganism is characterized by its ability to live in extreme environments?
A) Bacteria
B) Archaea
C) Fungi
D) Viruses
3
, ✔✔ B) Archaea
What is the purpose of the Gram stain in microbiology?
A) To visualize bacterial DNA
B) To differentiate between bacterial cell wall types
C) To measure bacterial growth
D) To identify bacterial ribosomes
✔✔ B) To differentiate between bacterial cell wall types
Which of the following is a method of bacterial reproduction?
A) Binary fission
B) Mitosis
C) Meiosis
D) Budding
4
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