Intro To Cells

Question 1

Cells

Answer 1

The basic of structure and function in living things

Question 2

Micro scope

Answer 2

It makes a small object bigger

Question 3

Cell theory

Answer 3

• All livings things are composed of cells
• Cells are basic units of structure and function in living things
• All cells are produced from other cells

Question 4

Cell wall

Answer 4

A rigid layer that surrounds the cells of a plant and some other organisms

Question 5

Cell membrane

Answer 5

Controls witch substances pass into and out of the cell

Question 6

Nucleus

Answer 6

Acts a control center directing all the cells activities

Question 7

Organelles

Answer 7

Tiny structures that carry specific functions within the cell

Question 8

Ribosomes

Answer 8

Small grain-shaped organelles that produce proteins

Question 9

Cytoplasm

Answer 9

It fills the region between the cell membrane and the nucleus

Question 10

Mitochondria

Answer 10

Takes energy from food and turns it into energy for the cell to use and live

Question 11

ER/endoplasmic reticulum

Answer 11

Helps attach ribosomes to make proteins.

Question 12

Golgi apparatus

Answer 12

Receives new proteins from the ER, packages them and sends them out of the cell

Question 13

Vacuole

Answer 13

It stores food, water, and other supplies needed by the cell

Question 14

Chloroplast

Answer 14

It captures energy from the sunlight and changes it into energy cells use well making food

Question 15

Lysosomes

Answer 15

It recycles old cells so they can be used again, it also breaks down big pieces of food to make it smaller

Question 16

Multicellular

Answer 16

Made of many cells

Question 17

Unicellular

Answer 17

Single-celled organisms

Question 18

Tissue

Answer 18

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

Question 19

Organ

Answer 19

Made of different kinds of tissues that function together

Question 20

Organ system

Answer 20

A group of organs that work together to preform a major function

Question 21

Elements

Answer 21

Any substance that cannot be broken down into simpler substances

Question 22

Compounds

Answer 22

Compounds form when two or more elements combined chemically

Question 23

Carbohydrates

Answer 23

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

Question 24

Lipids

Answer 24

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

Question 25

Proteins

Answer 25

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

Question 26

Enzymes

Answer 26

They speed up chemical reactions in living things

Question 27

Nucleic acids

Answer 27

Contains the instructions that the cell need to carry out all the functions of life

Question 28

DNA

Answer 28

The genetic material that carries information about an organism and is passed From to offspring .

Question 29

Double helix

Answer 29

The shape of a DNA molecule

Question 30

Selectively permeable

Answer 30

Some substances can cross the membrane while others cannot.

Question 31

Passive transport

Answer 31

The movement of dissolved materials across a cell membrane without using energy.

Question 32

Diffusion

Answer 32

The process by which molecules move from an area 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