Biology Semester 1 Final Review

Which structures are found in every living cell?

• cell membrane and cytoplasm
• chloroplasts and mitochondria
• a cell wall and nucleus
• chloroplasts and cell wall

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Which cell structure is found in plant and animals cells and controls what can come into or leave a cell?

• cell membrane
• cytoplasm
• nucleus
• vacuole

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What is the function of the cell nucleus found in both plant and animal cells?

• to produce energy
• to control cell activity
• to remove waste products
• to allow molecules to enter the cell

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What is one basic function of a ribosome?

• circulating oxygen

• creating proteins

• controlling cell processes

• storing water

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Chloroplasts in plant cells allow the plant to perform a function that animal cells cannot do.  What is the main function of the chloroplasts found in plant cells?

• to absorb light energy and manufacture food
• to remove waste materials by active transport
• to manufacture chemical energy from food
• to control the shape of the cell

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All cells need energy to function.  Which cell organelle is responsible for producing energy in the cell?

• chloroplasts
• mitochondria
• nucleus
• vacuoles

Cells with a nucleus and membrane-bound organelles are called ____________________.

• prokaryotes
• eukaryotes
• bacteria
• protists

Which of the following is not part of the cell theory?

• cells must contain DNA 
• all living things are made from cells
• cells can only come from other cells
• cells are the basic unit of life

The basic unit of structure and function in a living things.

• chloroplast
• nucleus
• cell
• cell membrane

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What is it called when net particles move from an area of higher concentration to an area of lower concentration?

• fluid mosaic model

• diffusion

• equilibrium

• Polarity