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C&H Chp. 1 Review

QuestionAnswer
What are the basic units of structure and function in living things? cells
What tool is used to make small objects appear larger? microscope
What shows the relationship between cells and living things? cell theory
These are tiny organs within cells that carry out specific functions. organelles
This is the organelle that provides protection and support for plant cells. cell wall
This is the organelle that controls what comes in and out of cells. cell membrane
This organelle is the control center of the cell. nucleus
What is the jelly-like substance the organelles float in called? cytoplasm
Which organelle converts energy in food into energy the cell can use? mitochondria
What is the name for the passageways throughout the cell? endoplasmic reticulum
Which organelle assembles amino acids into proteins? ribosomes
This is the organelle that packages and distributes proteins. golgi bodies
This plant cell organelle uses sunlight energy to make food. chloroplast
These store food, water, or waste in cells. vacuoles
These organelles contain enzymes that break down large food molecules, old cell parts, or waste. lysosomes
A substance that cannot be broken down into simpler substances. element
This is formed when two or more elements chemically combine. compound
This is the organic compound that provides energy. Examples are sugars and starches. carbohydrates
Meat, eggs, beans, and nuts are good examples of this cell-building organic compound. protein
Proteins are made of long chains of these. amino acids
A type of protein that speeds up chemical reactions. enzyme
Fats, oils, and waxes are examples of this organic compound that stores energy. lipids
DNA and RNA are two examples of this organic compound. nucleic acid
This nucleic acid stores information that is passed down to offspring. DNA
This nucleic acid helps make proteins. RNA
The cell membrane can be described as ___ ___ because it only lets certain materials pass through. selectively permeable
The movement of substances from high concentration to low concentration is called ___. diffusion
By what process do water molecules move from high to low concentration? osmosis
Moving materials without using the cell's energy is called this. passive transport
Transport proteins and engulfing are two types of ___ ___, which requires the cell's energy. active transport
Created by: Mrs. Birkemose
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