Ingestion Of Organic Material: Heterotrophic

Question 1

Ameba

Answer 1

Food is engulfed by phagosynthesis (use pseudopods), waste is removed via cell membrane (diffusion), food is enclosed in vacuoles that merge with a lysosome

Question 2

Paramecium

Answer 2

Food moves along “cilia” to oral grove, waste is removed via anal pore, food is enclosed in vacuoles that merge with a lysosome

Question 3

Cell Membrane

Answer 3

selectively regulates flow of material

Question 4

Fluid mosaic models

Answer 4

movement of embedded proteins “waves”

Question 5

Factors of movement

Answer 5

Size, solubility, change, PH

Question 6

Size

Answer 6

Small, moves freely, and waste products

Question 7

Solubility

Answer 7

Hydrophobic/lipids/hydrophilic

Question 8

Change

Answer 8

Polarity

Question 9

PH

Answer 9

High [ ] or low [ ]

Question 10

Large molecules

Answer 10

need a receptor site for entry or exit

Question 11

Cystic fibrosis

Answer 11

Defect in chlorine channel
mucus build up in lungs -> recurring infection -> death
“CFTR” gene

Question 12

Diffusion and Passive Transport

Answer 12

No energy required, involves a [ ] gradient

Question 13

[ ⬆️ ] gradient particles

Answer 13

Begins to collide, generates kinetic energy, no energy required “Downhill,” will occur until an equilibrium is met

Question 14

Active Transport

Answer 14

Energy is required by the cell proteins embedded in cell membrane (receptors), move particles against a [ ] gradient “uphill”

[ ⬇️ ] gradient particles

Question 15

Diffusion = passive transport

Answer 15

Bc the energy is from the kinetic energy during particle collision

Question 16

Pinocytosis

Answer 16

(Pinch off) cellular drinking, large DISSOLVED molecule enclosed by membrane becoming a vacuole

Question 17

Phagocytosis

Answer 17

(Engulf or swallow) large UNDISSOLVED molecule engulfed and surrounded with in a vacuole

Question 18

Intracellular Circulation

Answer 18

Diffusion and cyclosis

Question 19

Diffusion

Answer 19

May also involve the ER

Question 20

Cyclosis

Answer 20

Natural streaming of cytoplasm and is filtered out by the ER

Question 21

CODA

Answer 21

Cyclosis, osmosis, diffusion, active transport

Question 22

Vacuolar tissues

Answer 22

Xylem and phloem conduct to the rest of the plant

Question 23

Step 1

Answer 23

The surface area of the root

Question 24

H20 and minerals are

Answer 24

Absorbed via asmass, diffusion, and active transport

Question 25

Step two

Answer 25

Conduct the absorbed material to the stem

Question 26

Xylem and Phloem of the roots

Answer 26

Continuous to those of the stem

Question 27

Xylem and phloem of the stem

Answer 27

Continuous to those of the leaves

Question 28

Xylem and phloem of the leaves “veins”

Answer 28

Continuous to those of both the stem and the roots

Question 29

Protist

Answer 29

Material transported back and forth = diffusion and active transport circulation = diffusion and cyclosis

Question 30

Arteries

Answer 30

Nutrients + O2 = high pressure

Question 31

Veins

Answer 31

Waste + CO2 = low pressure

Question 32

Capillary

Answer 32

= exchange below arteries and veins “diffusion”
*uses [gradient] not pressure!