Penn Foster Biology: The Cell Questions and Answers 100% Pass
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Module
Penn Foster Biology: The Cell
Institution
Penn Foster Biology: The Cell
Penn Foster Biology: The Cell Questions
and Answers 100% Pass
What is the function of the cell wall in plant cells?
To provide structural support and protection.
Which cell organelle is involved in lipid synthesis?
Smooth endoplasmic reticulum.
What is the primary role of the nucleo...
Penn Foster Biology: The Cell Questions
and Answers 100% Pass
What is the function of the cell wall in plant cells?
✔✔ To provide structural support and protection.
Which cell organelle is involved in lipid synthesis?
✔✔ Smooth endoplasmic reticulum.
What is the primary role of the nucleolus within the nucleus?
✔✔ To produce ribosomal RNA (rRNA) and assemble ribosomes.
Which organelle is responsible for the breakdown of fatty acids?
✔✔ Peroxisomes.
What is the main function of chloroplasts in plant cells?
✔✔ To conduct photosynthesis and produce glucose.
1
,What structure acts as a selective barrier to control what enters and exits the nucleus?
✔✔ Nuclear envelope.
What is the primary function of microtubules in the cell?
✔✔ To provide structural support and facilitate intracellular transport.
Which organelle helps to maintain the cell’s internal environment by regulating ion
concentrations?
✔✔ Endoplasmic reticulum.
What is the role of centrioles in cell division?
✔✔ To organize microtubules and facilitate the separation of chromosomes.
What is the function of vacuoles in plant cells?
✔✔ To store nutrients, waste products, and help maintain turgor pressure.
What is the function of the nucleolus within the nucleus?
✔✔ To produce ribosomal RNA and assemble ribosomes.
2
, How do plant cell walls differ from animal cell membranes?
✔✔ Plant cell walls provide structural support and are rigid, whereas animal cell membranes are
flexible and lack a rigid cell wall.
What is the role of chloroplasts in plant cells?
✔✔ To carry out photosynthesis and convert light energy into chemical energy.
Which cell organelle is involved in the detoxification of harmful substances?
✔✔ Smooth endoplasmic reticulum.
What is the primary function of microtubules in the cytoskeleton?
✔✔ To provide structural support and assist in cell division.
How does the structure of the cell membrane contribute to its function?
✔✔ The cell membrane’s phospholipid bilayer allows selective permeability, regulating the
entry and exit of substances.
3
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