How Cells Work Answers

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Study the diagram.

to act as the powerhouse of the cell

to act as the boundary of the cell

to act as the control center of the cell

to act as the site for chemical reactions

Which part inside the nucleus contains the instructions that tell the cell how to function and what to do?

nuclear membrane

DNA

nucleolus

mitochondria

What is the function of the chloroplast in plant cells?

to provide carbon dioxide for other living things

to move materials within the cell

to provide a place where DNA can replicate

to make glucose from carbon dioxide, water, and sunlight

Study the diagram.

DNA replicates and the cell gets ready to divide.

DNA lines up in the center of the cell.

DNA is pulled apart to opposite ends of the cell.

The cell membrane pinches inward, and the cell splits into two.

Study the diagram.

cell membrane

cell wall

nucleus

chloroplast

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