Unit: Intro Into Cells

Question 1

Cell

Answer 1

Form the parts of a organism and carry out all of its functions

Question 2

Microscope

Answer 2

An instrument that makes small objects look larger

Question 3

Cell theory

Answer 3

A widely accepted explanation of the relationship between cells and living things

Question 4

Cell wall

Answer 4

A rigid layer that surrounds the cells of plants and some other organisms.

Question 5

Cell membrane

Answer 5

Controls which substances pass into and out of a cell

Question 6

Nucleus

Answer 6

Acts as a cell’s control center, directing all of the cell’s activities

Question 7

Organelles

Answer 7

Carry out specific functions within a cell.

Question 8

Ribosomes

Answer 8

Small grain-shaped organelles that produce protein

Question 9

Cytoplasm

Answer 9

Fills the region between the cell membrane and the nucleus

Question 10

Mitochondria

Answer 10

Convert energy stored in food to energy the cell can use to live and function

Question 11

Endoplasmic Reticulum

Answer 11

Often called the ER, is an organelle with a network of membranes that produces many substances.

Question 12

Golgi apparatus

Answer 12

Receives proteins and other newly formed materials from the ER, packages them, and distributes them to the other parts of the cell or to the outside of the cell.

Question 13

Vacuole

Answer 13

Stores water, food, or other materials needed by the cell.

Question 14

Chloroplast

Answer 14

Captures energy from sunlight and changes it to a form of energy cells can use in making food.

Question 15

Lysosomes

Answer 15

Contain substances that break down large food particles into larger ones.

Question 16

Multicellular

Answer 16

Made of many cells

Question 17

Unicellular

Answer 17

Single-called organisms.

Question 18

Tissue

Answer 18

A group of similar cells cells that work together to perform a specific function.

Question 19

Organ

Answer 19

Is made of different kinds of tissues that carry the blood that blood that supplies oxygen to your brain cells.

Question 20

Organ system

Answer 20

A group of organs that work together to perform a major function.

Question 21

Element

Answer 21

Any substance that cannot be broken down into simpler substances.

Question 22

Compound

Answer 22

Form when two or more elements combine chemically.

Question 23

Carbohydrate

Answer 23

Energy-rich organic compounds made of the elements carbon, hydrogen, and oxygen.

Question 24

Lipid

Answer 24

Compounds that are made mostly of carbon and hydrogen and some oxygen.

Question 25

Protein

Answer 25

Large organic molecules made of carbon, hydrogen, oxygen, nitrogen, and in some cases sulfur.

Question 26

Enzyme

Answer 26

E

Question 27

Nuclei Acid

Answer 27

N

Question 28

DNA

Answer 28

D

Question 29

Double Helix

Answer 29

D

Question 30

Selectively Permeable

Answer 30

That some substances can cross the membrane while others cannot.

Question 31

Passive transport

Answer 31

The movement dissolved materials across a cell membrane without using the cell’s energy.

Question 32

Diffusion

Answer 32

Is the process by which molecules move from an ares of higher concentration to an area of lower concentration.

Question 33

Osmosis

Answer 33

The diffusion of water molecules across a selectively permeable membrane.

Question 34

Active transport

Answer 34

the movement of materials across a cell membrane using cellular energy.

Question 35

Endocytosis

Answer 35

The cell membrane changes shape and engulfs the particle.

Question 36

Exocytosis

Answer 36

Allows large particles to leave a cell.