GCU BIO 182 LAB MIDTERM EXAM WITH QUESTIONS AND ANSWERS| VERIFIED BY EXPERT| OFTEN TESTED| 2025 NEW UPDATE.

GCU BIO 182 LAB MIDTERM EXAM
WITH QUESTIONS AND ANSWERS|
VERIFIED BY EXPERT| OFTEN TESTED|
2025 NEW UPDATE.
Total Magnification
Q: How do you calculate total magnification on a microscope?
A: Oculars X Objective Lens ✔✔



Parts of Microscope
Q: What are the main parts of a microscope?
A:

 Oculars
 Objective lens
 Stage
 Stage clamp
 Iris diaphragm lever
 Light
 Body / Arm
 Coarse Focus Adjustment knob
 Fine Focus Adjustment knob
 Mechanical Stage Adjustment Knob ✔✔



Bacteria, Protist
Q: ______________ organization are simple, _____________ organization are complex.
A: Bacteria organization are simple, Protist organization are complex ✔✔



Protist, Bacteria
Q: Which have membrane-bound nuclei and organelles, and which have no nucleus?
A: Protist have membrane-bound nuclei & organelles, Bacteria have no nucleus ✔✔

, Bacteria, Protist
Q: In which is DNA NOT in the nucleus, and in which is DNA found in compact chromosomes?
A: Bacteria DNA is NOT in the nucleus, Protist DNA is found in compact chromosomes ✔✔



Protist, Bacteria
Q: Which are typically larger in size?
A: Protist are typically larger in size than Bacteria ✔✔



Extremophiles
Q: What are organisms that live in "extreme" environments called?
A: Extremophiles ✔✔



Extremophiles Examples
Q: Give examples of extremophiles.
A:

 Acidophiles like acidic environments (low pH)
 Alkaliphiles like alkaline environments (high pH)
 Anaerobic organisms thrive in areas without oxygen ✔✔



Coccis
Q: What shape are coccis bacteria?
A: Round bacteria ✔✔



Bacillis
Q: What shape are bacillis bacteria?
A: Rod shaped ✔✔



Spirillums
Q: What shape are spirillums bacteria?
A: Spiral shaped ✔✔