Honors Biology Unit 3 Test with Complete Solutions
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Honors Biology Unit 3
Institution
Honors Biology Unit 3
Honors Biology Unit 3 Test with
Complete Solutions
What is the primary role of the Golgi apparatus in the cell?
The Golgi apparatus modifies, sorts, and packages proteins and lipids for transport to
various destinations inside or outside the cell.
How does passive transport differ from ...
Honors Biology Unit 3 Test with
Complete Solutions
What is the primary role of the Golgi apparatus in the cell?
✔✔ The Golgi apparatus modifies, sorts, and packages proteins and lipids for transport to
various destinations inside or outside the cell.
How does passive transport differ from active transport?
✔✔ Passive transport moves substances across the cell membrane without energy input, while
active transport requires energy to move substances against their concentration gradient.
What is the significance of the phospholipid bilayer in cell membranes?
✔✔ The phospholipid bilayer provides a selective barrier that allows certain substances to pass
while blocking others, maintaining the cell’s internal environment.
What happens during cellular respiration?
✔✔ Cellular respiration breaks down glucose in the presence of oxygen to produce ATP, carbon
dioxide, and water.
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, What is the difference between prokaryotic and eukaryotic cells regarding their genetic material?
✔✔ Prokaryotic cells have their genetic material in a nucleoid region without a membrane, while
eukaryotic cells have their genetic material enclosed within a nucleus.
How do plant cells differ from animal cells in terms of structure?
✔✔ Plant cells have a rigid cell wall, chloroplasts for photosynthesis, and a large central
vacuole, whereas animal cells do not.
What is the role of the cytoskeleton in a cell?
✔✔ The cytoskeleton provides structural support, maintains cell shape, and facilitates cell
movement and internal organization.
Describe the function of the vacuole in plant cells.
✔✔ The vacuole stores nutrients, waste products, and helps maintain turgor pressure to support
the plant’s structure.
How does the structure of a protein relate to its function?
✔✔ The specific sequence of amino acids in a protein determines its three-dimensional structure,
which in turn determines its function in the cell.
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