Lesson 2: Cell Structures Study Guide

What is an organelle?

• A type of tissue found in animals.

• Tiny cell structure that carries out a specific function within the cell.

• A process by which cells divide.

• A large molecule that stores genetic information.

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Do all organelles have the same structure?

• Yes, all organelles have identical structures

• Only plant cell organelles have the same structure

• Only animal cell organelles have the same structure

• No, organelles do not all have the same structure

What does structure mean?

• A type of material used in construction.

• A process of breaking things down into smaller parts.

• The arrangement of and relations between the parts or elements of something complex. (Ex. Chair – Provides a place to sit.)

• A tool used for measuring length.

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Do organelles all have the same function?

• No

• Yes, they all perform the same function

• Organelles do not have any function

• All organelles are identical

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What does function mean?

• A type of mathematical equation only.

• A decorative feature in architecture.

• Work or operate in a PROPER or PARTICULAR way.

  (Ex. Ceiling – supports the floor above.)

• A synonym for malfunction.

What is the cell wall?

• Rigid supporting layer that surrounds the cells of plants and some other organisms.

• The jelly-like substance inside the cell where organelles are found.

• A structure that controls what enters and leaves the cell.

• The part of the cell that contains genetic material.

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Do animals have cell walls?

• No

• Yes

• Only in some species

• Only during certain life stages

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What are two functions of the cell wall?

• Produce energy for the cell; Store genetic information

• Protect and Support the cell; Allow water and oxygen to pass through (pores)

• Digest nutrients; Transport waste out of the cell

• Control cell division; Synthesize proteins

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What is a cell membrane?

• Thin, flexible barrier that surrounds a cell and controls which substances pass into and out of a cell.

• Rigid structure that provides energy to the cell.

• Organelle responsible for protein synthesis.

• Storage site for genetic material in the cell.

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Do all cells have a cell membrane?

• Yes

• No

• Only plant cells do

• Only animal cells do