cell

Question 1

Cell Membrane

Answer 1

-Protective barrier around cell that allows different substances to move through it

Question 2

The process for moving substances across the membrane is called______ (particles will ________ from an area of high concentration to an area of low concentration)

Answer 2

Diffusion

Question 3

A jelly-likesubstance that fills the cell and surrounds the organelles-Nutrients-and organelles-Move within the cell because of the _______

Answer 3

Cytoplasm

Question 4

The control center of the cell (controls growth, reproduction, etc).

Answer 4

Nucleus

Question 5

Prominent structure (sometimes up to four) found within the nucleus of the cell and where ribosomesare formed

Answer 5

Nucleolus

Question 6

Store nutrients, wastes, and other substances used by the cell

In plant cells, the central __________ stores water for the cell

Answer 6

Vacuoles

Question 7

Transport substances throughout the cell

Answer 7

vesicles

Question 8

Supplies energy to the cell (converts chemical energy in sugar into energy the cell can use)

Answer 8

Mitochondria

Question 9

Where digestion occurs

Filled with enzymes (proteins that speed up chemical reactions)

Break down bacteria and damaged cell parts

Answer 9

lysosomes

Question 10

Modifies, sorts, and packages proteins and other materials from the endoplasmic reticulum for storage in the cell or secretion outside the cell

Answer 10

Golgi Apparatus

Question 11

Carries materials throughout the cell (made of a series of interconnected tubes)

Answer 11

endoplasmic reticulum

Question 12

Carries materials throughout the cell and has ribosomes attached to it

Answer 12

Rough endoplasmic reticulum

Question 13

Produces fats and oils and does not have ribosomes

Answer 13

Smooth endoplasmic reticulum

Question 14

Sites where proteins are assembled

Answer 14

Ribosomes

Question 15

Internal network of fibers made up of filaments important in maintaining the cell’s shape

Answer 15

cytoskeleton

Question 16

Internal network of fibers made up of filaments important in maintaining the cell’s shape

Answer 16

cytoskeleton

Question 17

Only found in plant cells

A rigid frame made out of cellulose that provides strength, protection, and support

Answer 17

cell wall

Question 18

Only found in plant cells

Contain chlorophyll (green substance that uses energy from the sun to convert CO₂ and H₂O into sugar and O₂ during photosynthesis)

Answer 18

Chloroplasts

Question 19

Little sacs stacked like coins that act as solar collectors, surrounded by a thick fluid called stroma

Answer 19

Thylakoids

Question 20

The stack of thylakoids

Answer 20

Grain

Question 21

Two barrel shaped structures found perpendicular to each other which release spindle like formations (spindle fibres) during cell division

Answer 21

Centrioles

Question 22

Two barrel shaped structures found perpendicular to each other which release spindle like formations (spindle fibres) during cell division

Answer 22

Centrioles

Question 23

Released from centrioles during cell division to attach to chromosomes

Answer 23

spindle fibres

Question 24

Difference between plant and animal cells

Answer 24

Plant:

Rectangular in shape

Contain cell walls and chloroplasts (with chlorophyll)

Do not have centrioles

Have a large central vacuole

__________________________________________

Animal:

Irregular in shape

Do not have cell walls or chloroplasts

Contain centrioles (paired structures involved in cell division)

Have small vacuoles