Lesson 2-2 and 2-3 Assess your understanding quiz

Question 1

Cell

Answer 1

The basic unit of structure and fucntion

Question 2

Cell wall

Answer 2

A rigid layer that surrounds the cells of plants

Question 3

Cell membrane

Answer 3

Controls which substances pass into and out of a cell

Question 4

Nucleus

Answer 4

Cell’s control center, directs all of cells activities

Question 5

Chromatin

Answer 5

Thin strands of material that fills the nucleus containing information for directing cell’s functions

Question 6

Nucleolus

Answer 6

The small round structure in a nucleus where ribosomes are made

Question 7

Ribosomes

Answer 7

Small grain-shaped organelles that produce proteins

Question 8

Organelles

Answer 8

Cell structures that carry out specific functions within a cell

Question 9

Cytoplasm

Answer 9

A fluid that floats around in a cell carrying organelles

Question 10

Mitochondria

Answer 10

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

Question 11

Endoplasmic reticulum (ER)

Answer 11

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 and distributes them

Question 13

Vacuole

Answer 13

A sac that stores water and food in cells

Question 14

Choloroplast

Answer 14

Captures energy from sunlight and makes it into energy for the cell

Question 15

Lysosomes

Answer 15

Sac like organelles that contain substances that break down food particles into smaller ones

Question 16

Tissue

Answer 16

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

Question 17

Organ

Answer 17

Made up of different kinds of tissues that performs a function

Question 18

Organ system

Answer 18

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

Question 19

Element

Answer 19

Any substance that cannot be broken down into similar substances

Question 20

Compund

Answer 20

When two or more elements combine chemically

Question 21

Carbohydrate

Answer 21

Energy rich organic compound made up of the elements carbon, hydrogen and oxygen

Question 22

Lipid

Answer 22

Compounds made up of mostly hydrogen, carbon and some oxygen

Question 23

Protien

Answer 23

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

Question 24

Enzyme

Answer 24

Speed up chemical reactions in living things

Question 25

Nucleic acid

Answer 25

Molecules that consist of carbon, oxygen, hydrogen, nitrogen and phosphorus, give instructions that cells need to carry out all of the functions of life

Question 26

DNA

Answer 26

A genetic material that carries information about an organism and is passed from parent to offspring

Question 27

Double helix

Answer 27

The shape of a DNA molecule