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12 Questions

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Viruses Characteristics

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Questions and Answers

What is a defining characteristic of viruses?

They contain either DNA or RNA (correct)

They have cellular structure

They can reproduce outside of living cells

They are larger than bacteria

Which virus is responsible for causing AIDS?

Tobacco mosaic virus

Non-specific virus

Influenza virus

HIV virus (correct)

What is the role of chloroplasts in cells?

Provide strength to the cell wall

Support cell structures

Control cell division

Absorb sunlight for photosynthesis (correct)

Which statement about cell membrane permeability is true?

Cell membrane controls what enters and leaves the cell Signup and view all the answers

What is a key difference between unicellular and multicellular organisms?

Multicellular organisms are made of collections of cells Signup and view all the answers

What is the main function of the nucleus in a cell?

Contains genetic material that controls cell function Signup and view all the answers

What is the function of a vacuole in a cell?

Contains cell sap and helps support the shape of the cell Signup and view all the answers

Which organelle is responsible for protein production in a cell?

Ribosomes Signup and view all the answers

What is the main function of a mitochondrion in a cell?

Site of aerobic respiration Signup and view all the answers

What is the function of a cell wall in plant cells?

Gives shape and protection to the cell Signup and view all the answers

Where do chemical reactions take place in a cell?

In the cytoplasm Signup and view all the answers

Which organelle is responsible for transporting substances between cells?

Vesicles Signup and view all the answers