Honors Biology Unit 2 Test Questions and Answers Graded A+
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Honors Biology Unit 2
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Honors Biology Unit 2
Honors Biology Unit 2 Test Questions
and Answers Graded A+
What is the significance of the fluid mosaic model of the cell membrane?
The fluid mosaic model describes the cell membrane as a dynamic structure with proteins
and lipids moving freely within a fluid bilayer, which helps maintain ...
Honors Biology Unit 2 Test Questions
and Answers Graded A+
What is the significance of the fluid mosaic model of the cell membrane?
✔✔ The fluid mosaic model describes the cell membrane as a dynamic structure with proteins
and lipids moving freely within a fluid bilayer, which helps maintain its flexibility and
functionality.
What role do centrioles play in cell division?
✔✔ Centrioles help organize microtubules during cell division, facilitating the separation of
chromosomes.
How do vacuoles function in plant cells compared to animal cells?
✔✔ In plant cells, vacuoles store nutrients, waste products, and help maintain turgor pressure,
while in animal cells, vacuoles are smaller and mainly involved in storage and digestion.
What is the function of the cytoskeleton in the cell?
✔✔ The cytoskeleton provides structural support, helps maintain cell shape, and facilitates
movement of materials within the cell.
1
, How does facilitated diffusion differ from simple diffusion?
✔✔ Facilitated diffusion requires specific transport proteins to help move molecules across the
cell membrane, while simple diffusion does not.
What is the role of the cell wall in plant cells?
✔✔ The cell wall provides rigidity, support, and protection to plant cells, helping maintain their
shape and structure.
What is the purpose of cellular respiration?
✔✔ Cellular respiration converts glucose and oxygen into ATP, carbon dioxide, and water,
providing energy for cellular processes.
How do smooth and rough endoplasmic reticulum differ in function?
✔✔ Rough ER is involved in protein synthesis and has ribosomes on its surface, while smooth
ER is involved in lipid synthesis and detoxification and lacks ribosomes.
What are the main stages of mitosis?
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