Chapter 4

Question 0

Lipid

Answer 0

Fat

Question 1

What is a cell membrane

Answer 1

An external boundary around a cell made of lipids and protein controls what goes in and out of the cell

Question 2

Cytoplasm

Answer 2

Jelly like substance made of water,glucose,fat,and other substance. used by the cell.the cytoplasm fills the cell and surrounds the organelles inside the cell

Question 3

Characteristics of cells

Answer 3

Made of cells
Grow and develop
Reproduce after own kind
Respond to stimulus in environment
Use energy

Question 4

Classification of cell

Answer 4

Level 1 cells. Lowest
Level 2 tissues
Level 3 organs
Level 4 systems.highest

Question 5

Animal cells

Answer 5

1. all cells are filled with tiny structures called organelles which perform jobs inside the cell
2. a cell is much like a city

Question 6

Nucleus

Answer 6

The largest organelle in the cell which is like The cells control center

Question 7

Contains all DNA genetic material to give directions to make proteins for repair and making new cells or cell parts

Answer 7

The nucleus has its own membrane around it called the nuclear membrane

Question 8

Nuclear pore

Answer 8

Protein in the nuclear membrane which allows certain things to enter the nucleus

Question 9

Chromosome

Answer 9

Bundle of DNA in the nucleus

Question 10

Mitochondria

Answer 10

Responsible for producing and releasing energy for the cell to use

Question 11

Glucose

Answer 11

Energy for cells

Question 12

Endoplasmic reticulum

Answer 12

A system of passageway that allows materials to transport from one part of the cell to another

Question 13

There are two types of ER

Answer 13

Rough and smooth

Question 14

Organism

Answer 14

A complete living thing

Question 15

Lifespan

Answer 15

Birth growth reproduction and death of any organism

Question 16

Environment

Answer 16

Where an organism lives habitat

Question 17

Energy

Answer 17

The ability to do work

Question 18

Cell

Answer 18

The smallest unit of life building block of all organisms filled with organelles contains DNA

Question 19

cell theory

Answer 19

Cells always come from pre-existing cells all organisms are made of cells cells are the smallest unit of life

Question 20

Unicellular

Answer 20

Made of one cell

Question 21

Multicellular

Answer 21

Made of many cells

Question 22

tissue

Answer 22

Composed of cells and having a specific function

Question 23

Organ

Answer 23

Composed of tissues and having a specific function a group of tissues

Question 24

System

Answer 24

A group of organs working together

Question 25

Rough ER has a organelle attached to it called

Answer 25

Ribomes

Question 26

Smooth ER has

Answer 26

No ribosomes

Question 27

Rough ER will be found attached to the

Answer 27

Nucleus

Question 28

Ribosomes…

Answer 28

Produce protein for the cell

Question 29

Vacuole

Answer 29

Storage center for food water and waste in a cell unit it can be used or released by the cell

Question 30

Lysosome

Answer 30

Structure In a cell that helps to digest and recycle old cell parts and food(contains digestive enzymes like the stomach)

Question 31

The lysosome…

Answer 31

Helps also to fight off and engulf invading pathogens

Question 32

Cytoskeleton

Answer 32

This structure is like the skeleton of the cell that gives the cell structure and support

Question 33

The cytoskeleton is made of…

Answer 33

Microtubes which are hollow protein tubes

Question 34

Golgi apparatus

Answer 34

Creates and packages materials to be shipped throughout the cell and to locations outside of the cell

Question 35

What happens to the materials is…

Answer 35

“Shipped” in “packages” called secretory vesicles

Question 36

Cilia

Answer 36

A tiny hair on the outside of some animal cells that helps it to attach to other cells or moves the cell (it is like a tiny oar)