题目内容

The cell theory was developed over time by different scientists. Which of these statements is not part of the current cell theory?

A. Cells arise only from existing cells.
B. The cell is the unit of all living things.
C. All cells are surrounded by a membrane.
D. All living organisms are composed of cells.

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This organelle is not part of the endomembrane system. It can be found in plants and algae and is responsible for converting solar energy into chemical energy. This organelle is called...

A. mitochondria.
B. chloroplast.
C. lysosome.
D. vacuole.

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Vacuoles are membrane bound sacs that have different functions in cell maintenance. Which vacuole is found in most mature plant cells?

A. food vacuoles
B. contractile vacuoles
C. central vacuole
D. tonoplast vacuole

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A lysosome is a membrane-bound organelle that consist of enzymes that an animal cell uses for...

A. intracellular digestion.
B. building polypeptide chains.
C. holding and transporting large volumes of liquid.
D. moving multiple intracellular contents.

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Ribosomes main function is to synthesize large quantities of proteins. In the cell some ribosomes are free and suspended in cytoplasm while other ribosomes are bound or attached to which organelle?

A. golgi bodies
B. lysosomes
C. mitochondria
D. endoplasmic reticulum

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The cell theory was developed over time by different scientists. Which of these statements is not part of the current cell theory?

A. Cells arise only from existing cells. B. The cell is the unit of all living things. C. All cells are surrounded by a membrane. D. All living organisms are composed of cells.

This organelle is not part of the endomembrane system. It can be found in plants and algae and is responsible for converting solar energy into chemical energy. This organelle is called...

Vacuoles are membrane bound sacs that have different functions in cell maintenance. Which vacuole is found in most mature plant cells?

A lysosome is a membrane-bound organelle that consist of enzymes that an animal cell uses for...

Ribosomes main function is to synthesize large quantities of proteins. In the cell some ribosomes are free and suspended in cytoplasm while other ribosomes are bound or attached to which organelle?

A. Cells arise only from existing cells.
B. The cell is the unit of all living things.
C. All cells are surrounded by a membrane.
D. All living organisms are composed of cells.