Cells

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Questions and Answers

What does the cell membrane provide apart from protection?

Structure (correct)

Movement

Nutrition

Energy

What is the name of the outermost layer that forms a boundary around the outside of each bacterial cell?

Cell wall (correct)

Capsule

Cell membrane

Cytoplasm

What component makes plant cell walls sturdy?

Cellulose (correct)

Protein

Ligaments

Chitin

What type of cell walls do bacteria have?

Peptidoglycan Signup and view all the answers

What substance suspends all internal structures within the bacterial cells?

Cytoplasm Signup and view all the answers

Which of the following is true about prokaryotic cells?

They contain a single chromosome made of DNA. Signup and view all the answers

Which organelle is not found in prokaryotic cells?

Nucleus Signup and view all the answers

What role do ribosomes play in bacterial cells?

Protein synthesis Signup and view all the answers

What is the role of the cytoplasm in a cell?

To hold organelles and contain the cell's components Signup and view all the answers

Which of the following statements accurately differentiates prokaryotic and eukaryotic cells?

Eukaryotes are more complex with membrane-bound organelles. Signup and view all the answers

What is the primary function of Flaglellum in a cell?

Facilitating movement Signup and view all the answers

What can be inferred about a bacterium lacking Flagellum?

It would have difficulty moving. Signup and view all the answers

Which component is found in plant cells but not in animal cells?

Chloroplast Signup and view all the answers

Which structure is responsible for energy production in both animal and plant cells?

Mitochondria Signup and view all the answers

What is a major structural difference between animal and plant cells?

Existence of a cell wall in plant cells Signup and view all the answers

What do large permanent vacuoles in plant cells primarily contain?

Nutrients and waste products Signup and view all the answers

Which of the following structures is involved in protein synthesis?

Ribosomes Signup and view all the answers

What is the primary role of the cell membrane in both types of cells?

Regulating the movement of substances in and out of the cell Signup and view all the answers

What is the role of the tail on a sperm cell?

To enable movement towards an egg cell Signup and view all the answers

What is a primary function of the nucleus in a sperm cell?

To provide genetic material Signup and view all the answers

What distinguishes rough ER from smooth ER?

Rough ER has ribosomes on its surface. Signup and view all the answers

Which of the following functions is NOT performed by smooth ER?

Protein synthesis for export. Signup and view all the answers

Where are ribosomes primarily found when they synthesize proteins for export?

On the surface of rough ER. Signup and view all the answers

What cellular structure is primarily involved in modifying proteins received from the ER?

Golgi apparatus. Signup and view all the answers

Which component is NOT part of the endomembrane transport system?

Cytoplasm. Signup and view all the answers

How do proteins transition from the ER to the Golgi apparatus?

They are packaged in vesicles. Signup and view all the answers

What is the primary function of ribosomes in a cell?

Protein synthesis. Signup and view all the answers

What role do lysosomes play in the cell?

Disposing of waste materials. Signup and view all the answers

Study Notes

Cell Theory

All living things are made of cells
Cells are the basic unit of structure and function in an organism
All cells come from pre-existing cells

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