Biology Unit 3

Question 1

The movement of molecules from an area of high concentration to an area of low concentration

Answer 1

Diffusion

Question 2

A type of transport that does not require energy

Answer 2

Passive transport

Question 3

A state of balance

Answer 3

Equilibrium

Question 4

The diffusion of water across a semi permeable membrane

Answer 4

Osmosis

Question 5

The difference in the concentration of molecules across the space

Answer 5

Concentration gradient

Question 6

Any substance that is dissolved in water

Answer 6

Solute

Question 7

This solution contains a higher concentration of dissolved substances or solutes than a solution to which it is being compared

Answer 7

Hypertonic

Question 8

This solution contains the identical concentration of dissolved substances or solutes as the solution to which it is being compared

Answer 8

Isotonic

Question 9

This solution contains a lower concentration of dissolved substances or solutes than a solution to which it is being compared

Answer 9

Hypotonic

Question 10

A form of passive transport where molecules move from areas of high concentration to low concentration but require the use of a transport molecule

Answer 10

Facilitated diffusion

Question 11

A form of cellular transport in which substances move from low concentration to high concentration this movement against the concentration gradient requires energy

Answer 11

Active transport

Question 12

A cellular unit that helps in active transport

Answer 12

Vesicles

Question 13

The process of transporting substances into the cell through a vesicle

Answer 13

Endocytosis

Question 14

The process of transporting small particles into the cell

Answer 14

Pinocytosis

Question 15

The process of transporting large molecules into the cell

Answer 15

Phagocytosis

Question 16

The process that the cell uses to get rid of particles it is the opposite of phagocytosis

Answer 16

Exocytosis

Question 17

Cells that are used by the circulatory system to the blood cells that carry oxygen

Answer 17

Red blood cells

Question 18

Epithelium consisting of columnar cells bearing hairlike projections that are capable of beating rapidly

Answer 18

Ciliated epithelial cells

Question 19

This tissue functions in homeostasis by cooling the body through sweat and heating the body through shivering

Answer 19

Epidermal

Question 20

A specialized nerve cell that transmits nerve impulses

Answer 20

Neurons

Question 21

An inherited blood disorder in which there are an insufficient amount of normal red blood cells needed to transport oxygen in the body

Answer 21

Sickle cell anemia

Question 22

These systems provide the vital plant functions of Transport reproduction and response

Answer 22

Root and shoot systems

Question 23

These plant parts provide anchor and support plants they absorb and conduct water and minerals and store the products of photosynthesis

Answer 23

Roots

Question 24

These plant parts Provide support for an elevation of leaves flowers and fruits

Answer 24

Stems

Question 25

The part of the shoot system which serve as the primary food producing organ

Answer 25

Leaves

Question 26

Carries water and dissolved minerals from the roots to the stems to the leaves of the plant

Answer 26

Xylem

Question 27

Carrie sugars and starches made during photosynthesis from one part of the plant

Answer 27

Phloem

Question 28

A part of the root that provides greater surface area for water absorbed

Answer 28

Root hairs

Question 29

The outermost layer of protective tissue found in plants

Answer 29

Epidermis

Question 30

These structures are found on the underside of leaves and their function is to Regulate water and gases

Answer 30

Stomata