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BIOS 255 Comprehensive Exam 1 ( Latest 2024 / 2025 ) Actual Questions and Answers 100% Correct
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BIOS 255 Comprehensive Exam 1 ( Latest 2024 / 2025 ) Actual Questions and Answers 100% Correct
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BIOS 255 Comprehensive Exam 1By ExamNavigator
, BIOS 255 Comprehensive Exam 1
1. Most homeostatic regulatory mechanisms involve which feedback system?-
Answer: Negative
2. What is the name of the serous membrane that lines the surface of thestomach?
Answer: Visceral peritoneum
3. A molecule that has an unequal number of protons and neutrons is knownas an
Answer: ion
4. Which type of chemical reaction consists of breaking down large moleculesinto smaller
ones?
Answer: Decomposition
5. Which of the following macromolecules plays a specific role in producingsex steroids?
Answer: Cholesterol
6. Which organelle specializes in packaging, transporting, and modifying proteins produced by
the rough ER?
Answer: Golgi apparatus
7. Which are forms of passive transport?
Answer: Simple diffusionOsmosis
8. Which molecule makes up the majority of the plasma membrane?
Answer: Phospho-lipids
9. During which cellular stage is DNA replicated?
Answer: S-phase
10. What does the extracellular matrix consist of?
Answer: Ground substanceProtein fibers
11. Which of the following cells of nervous tissue are responsible for generating electrical
impulses?
Answer: Neurons
12. What type of solution would cause water to enter red blood cells, causingthe cells to swell
and potentially burst?
Answer: Hypotonic solution
13. Which of the following layers of the epidermis undergoes mitosis to re- place damaged or
lost cells, pushing old cells upward to be shed?
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