Cells as the Basic Unit

Question 1

What type of system is the human body?

Answer 1

Complex system

Question 2

Define system

Answer 2

Collection of parts that function together to keep alive

Question 3

What is the smallest part of the body?

Answer 3

Single cell

Question 4

What are all living things made of?

Answer 4

Cells

Question 5

What type of organisms are humans?

Answer 5

Multicellular organisms because they are made of many cells

Question 6

What are unicellular organisms?

Answer 6

Spend their whole life as single cells

Question 7

Are plant and animal cells the same?

Answer 7

Different

Question 8

How can individual cells be seen?

Answer 8

Individual cells are so small, that they can in be seen under a microscope. One can view their structure

Question 9

Define cell

Answer 9

Smallest unit of all living organisms

Question 10

Why are cells functional?

Answer 10

Performs functions that are necessary for life

Question 11

What is it called when cells can only be seen under a microscope?

Answer 11

Microscopic

Question 12

If cells have a similar structure, what else do they have in common?

Answer 12

Similar functions

Question 13

Define microscopic

Answer 13

Something that is so small that it can only be seen when using a microscope

Question 14

Define organelle

Answer 14

Structure within a cell that performs the functions of a cell

Question 15

What does the cell membrane form?

Answer 15

Outer boundary of cell that surrounds the content of the cell

Question 16

How is the cell membrane sustainable?

Answer 16

Selectively permeable

Question 17

Define selectively permeable

Answer 17

Allows substances to enter and leave. Only certain substances

Question 18

List the functions of the cell membrane

Answer 18

• Controls entry + edit of substances
• Blood carries to cell (cellular respiration)
• Allow glucose + oxygen to enter
• Waste substances to exit

Question 19

Define DNA

Answer 19

The material found in souse that carries the hereditary information

Question 20

Where does the DNA occur?

Answer 20

in the cytoplasm (chromatin network)

Question 21

Where is the DNA contained in?

Answer 21

In plant and animal cells the DNA is contained in the nucleus

Question 22

What is the nucleus?

Answer 22

A round organelle surrounded by a nuclear membrane

Question 23

What is another word for DNA?

Answer 23

Deoxyribonucleic acid

Question 24

What does the DNA determine?

Answer 24

Inherited characteristics

Question 25

Does everyone have the same DNA?

Answer 25

Everyone's DNA is unique and different from each others

Question 26

What type of DNA do children inherit?

Answer 26

A mixture of their parents

Question 27

Why should there be a mixture of DNA inherited from the parents?

Answer 27

The process insures people look different and accounts for variation within single species

Question 28

Define the function of the nucleus

Answer 28

* Controls all activities of the cell * Transmits hereditary information

Question 29

Define cytoplasm

Answer 29

Jelly like substance. Water and a complex collection of structures and materials dissolved or suspended in it

Question 30

What does the cytoplasm provide?

Answer 30

Liquid medium where chemical reactions take place in the cell

Question 31

Where are the organelles found?

Answer 31

Cytoplasm

Question 32

What are the organelles surrounded by?

Answer 32

A membrane that separates it from the cytoplasm

Question 33

Give examples of organelles

Answer 33

Mitochondria, vacuole and chloroplasts

Question 34

What is the mitochondria?

Answer 34

Powerhouse of the cell. Animal and plant cells.

Question 35

What occur in the mitochondria?

Answer 35

Respiration, metabolic reaction releases energy on glucose

Question 36

What are vacuoles?

Answer 36

Fluid filled sacs that are surrounded by a membrane

Question 37

What do vacuoles do?

Answer 37

Store substances used by the cell

Question 38

How many vacuoles do animal cells have?

Answer 38

Small vacuoles or no vacuoles

Question 39

How many vacuoles do plant cells have?

Answer 39

One or two large vacuoles which stores substances such as sugars, salts and water

Question 40

What are chloroplasts?

Answer 40

Found in plant cells. Used for photosynthesis

Question 41

What is the difference between plant and animals cells, when it comes to the cell wall?

Answer 41

Plant cells have a cell wall that surrounds the outside of a cell. Made of cellulose (rigid material). Used to support and protection. Animal cells are supported and protected by the skeleton

Question 42

What is the difference between plant and animals cells, when it comes to the chloroplasts?

Answer 42

Plant cells have chloroplasts (special organelle). The chlorophyll absorbs light energy from the sun and converts energy-rich sugars

Question 43

Define chlorophyll

Answer 43

Green pigment found in chloroplasts that gives plants their green colour

Question 44

Define photosynthesis

Answer 44

Process by which plants use chlorophyll to convert radiant energy into sugars

Question 45

Word equation for photosynthesis

Answer 45

carbon dioxide + water --> glucose + oxygen

Question 46

Chemical equation for photosynthesis

Answer 46

CO2 + H20 = C6H1206 + O2

Question 47

How are sugars stored?

Answer 47

Stored as starch. Energy for plant

Question 48

Why are animals unable to make their own food?

Answer 48

No chloroplasts

Question 49

Where are chloroplasts found?

Answer 49

found in cytoplasm - plant cells

Question 50

What shape are chloroplasts?

Answer 50

Oval shape

Question 51

What are chloroplasts surrounded by?

Answer 51

double membrane that contains chlorophyll

Question 52

What is function of chloroplasts?

Answer 52

Absorbs sunlight for photosynthesis. Site of photosynthesis

Question 53

Why does the chloroplasts have structural sustainability?

Answer 53

Contains chlorophyll to track sunlight

Question 54

What is the difference between plant and animals cells, when it comes to the vacuoles?

Answer 54

Plant cells have one or two large vacuoles. Animal cells have non, if very small

Question 55

Our old life processes carried out by?

Answer 55

Single cell

Question 56

Define macroscopic organism

Answer 56

Large enough to be seen with the naked eye

Question 57

Why is it impossible for every so to carry out all life processes needed?

Answer 57

Large complex organism alive

Question 58

Define specialise

Answer 58

To take on a Particula function

Question 59

What do a group of cells have in common?

Answer 59

Have the same shape and structure

Question 60

What forms a tissue?

Answer 60

A group of cells performing specific functions

Question 61

Define tissue

Answer 61

A group of cells that have the same structure and perform the same function

Question 62

Define organ

Answer 62

Group of different tissues that perform a single function

Question 63

Define system

Answer 63

Group of different organs that perform bodily functions for organism

Question 64

Define system

Answer 64

Group of different organs that perform bodily functions for organism

Question 65

What work together to keep the organism alive?

Answer 65

There is a number of different systems that work together to keep the organism alive

Question 66

How many systems are there?

Answer 66

Seven systems

Question 67

Name all of the systems

Answer 67

Digestive, circulatory commerce battery, excretory, musculoskeletal, nervous, reproductive

Question 68

Define epithelial cells

Answer 68

Sounds that cover the organs and internal surface of the body

Question 69

Define cells

Answer 69

All living organisms are made up of cells

Question 70

Define tissues

Answer 70

Group of cells that have the same structure and perform the same structure

Question 71

Define organs

Answer 71

Group of different tissues that perform a single function

Question 72

Define system

Answer 72

Group of different organs that performs bodily functions for organisms

Question 73

Define organism

Answer 73

Number of different systems that work together to keep the organism alive