chapter 3 study guide

Question 0

The ____ _____ states that states- all living things are composed of cells, cells are the basic units of structure and functions in living things, all cells are produced from other cells

Answer 0

Cell theory

Question 1

Form parts of an organism and carry out all of an organisms processes or functions

Answer 1

Cell

Question 2

Single-celled organisms

Answer 2

Unicellular

Question 3

Organisms composed of many cells

Answer 3

Multicellular

Question 4

A group of similar cells working together to perform a specific function

Answer 4

Tissue

Question 5

Is made up of different kinds of tissues that work together

Answer 5

Organ

Question 6

A group of organs that work together to perform a specific function

Answer 6

Organ system

Question 7

These carry out specific functions within the cell

Answer 7

Organelle

Question 8

A rigid layer of non living material that surrounds the cells of plants and some other organisms

Answer 8

Cell wall

Question 9

Gives cells their shape

Answer 9

Cytoskeleton

Question 10

Forms the outside boundary that separates the cell from its environment

Answer 10

Cell membrane

Question 11

The cells control center

Answer 11

Nucleus

Question 12

The region between the cell membrane and the nucleus.

Answer 12

Cytoplasm

Question 13

The organelle that converts food in to energy

Answer 13

Mitochondria

Question 14

Help form proteins and other materials

Answer 14

Endoplasmic reticulum ER

Question 15

Function as factories to produce proteins

Answer 15

Ribosomes

Question 16

Receive proteins and other newly formed materials from the ER then package and distribute them to the rest of the cell

Answer 16

Golgi body

Question 17

Capture energy from sunlight and use it to produce food only in plant cells

Answer 17

Chloroplast

Question 18

The storage areas of the cell

Answer 18

Vacuole

Question 19

Small round structures containing chemicals that break down certain materials in the cell

Answer 19

Lysosomes

Question 20

Any substance that can’t be broken down in to simpler substances

Answer 20

Element

Question 21

When two or more elements chemically combine in an equal ratio

Answer 21

Compound

Question 22

An energy rich compound made of carbon hydrogen and oxygen and are important components of some cell parts

Answer 22

Carbohydrate

Question 23

Large organic molecules made of carbon hydrogen oxygen nitrogen and sometimes sulfur

Answer 23

Protein

Question 24

20 things that proteins are made of

Answer 24

Amino acids

Question 25

A type of protein the speeds up a chemical reaction in living things

Answer 25

Enzymes

Question 26

Energy rich organic compounds made of carbon hydrogen and oxygen and make up most of the cell membrane

Answer 26

Lipid

Question 27

Very long organic molecules made of carbon oxygen hydrogen nitrogen and phosphorus

Answer 27

Nucleic acids

Question 28

A type of nucleic acid that is genetic material and is passed down from parents to offspring

Answer 28

DNA

Question 29

A type of nucleis acid that plays an important role in the production of proteins

Answer 29

RNA

Question 30

Some substances can pass through the ____ ____ membrane while others can’t

Answer 30

Selectively permeable

Question 31

When Molecules move from an area of high concentration to an area of low concentration

Answer 31

Diffusion

Question 32

The diffusion of water molecules through a selectively permeable membrane

Answer 32

Osmosis

Question 33

The movement of molecules through a cell membrane without using the cells energy

Answer 33

Passive transport

Question 34

The movement of materials through a cell membrane using cellular energy

Answer 34

Active transport

Question 35

A carbon hydrate with 100 or less sugar molecules

Answer 35

Simple carbohydrate

Question 36

A carbohydrate with over 100 sugar molecules

Answer 36

Complex carbohydrates

Question 37

Makes up part of DNA, a thread like structure in the nucleus that controls your genetics

Answer 37

Chromatin

Question 38

A structure inside the necleus that is the cells control center

Answer 38

Nucleolus