Membrane Transport Powerpoint

Question 1

All living things are made of cells.

Answer 1

True

Question 2

Includes cytosol and organelles

Answer 2

Cytoplasm

Question 3

Perform specific jobs required by the cell and work with other organelles

Answer 3

Organelles

Question 4

Watery mix with salts and enzymes, houses the organelles

Answer 4

Cytosol

Question 5

Encloses all cells
Defines outer boundary of cells
Isolates cell contents from environment

Answer 5

Plasma Membrane

Question 6

determines materials to be allowed in or out

Answer 6

Plasma Membrane

Question 7

Some molecules can cross and some are prevented from crossing

Answer 7

Semipermeable

Question 8

Protection outside the plasma membrane for plants, fungi, and bacteria; provides structural support

Answer 8

Cell Wall

Question 9

Hold chromatin (DNA and proteins) in eukaryotic cells; surrounded by nuclear envelope

Answer 9

Nucleus

Question 10

Synthesizes ribosomes inside nucleus

Answer 10

Nucleolus

Question 11

Produces energy for the cell through cellular respiration

Answer 11

Mitochondrion

Question 12

produces sugars through photosynthesis in plant cells

Answer 12

Chloroplast

Question 13

Contains digestive enzymes to recycle molecules

Answer 13

Lysosome

Question 14

Assemble proteins; free floating or attached to ER

Answer 14

Ribosomes

Question 15

Membrane network with ribosomes attached for protein synthesis

Answer 15

Rough Endoplasmic reticulum (rough er)

Question 16

involved in lipid synthesis or detoxification; lacks ribosomes

Answer 16

Smooth endoplasmic reticulum (Smooth ER)

Question 17

modifies, sorts, and packages proteins

Answer 17

Golgi apparatus

Question 18

Move chromosomes during animal cell devision

Answer 18

Centrioles

Question 19

Form cytoskeleton for maintaining shape and structural support

Answer 19

Cytoskeletal elements

Question 20

Stores water, sugars, and pigments in plant cells

Answer 20

Central Vacuole

Question 21

Substances must travel through the plasma membrane.

Answer 21

True

Question 22

Substances able to cross reach _______ equal concentrations on both sides of the membrane

Answer 22

Equilibrium

Question 23

_____________ is differentially permeable

Answer 23

Phospholipid bilayer

Question 24

Hydrophobic substances pass more easily through the hydrophobic interior.

Answer 24

True

Question 25

Movement of molecules without energy

Answer 25

Passive transport

Question 26

Passive transport from area of high concentration to low concentration

Answer 26

Diffusion

Question 27

Transport proteins help move hydrophilic and charged molecules across the membrane

Answer 27

Facilitated Diffusion

Question 28

Diffusion of water across a membrane from high to low concentration

Answer 28

Osmosis

Question 29

Uses proteins to move molecules from low to high concentration

Answer 29

Active transport

Question 30

a membrane-bound visible fuses with the membrane and expels the large molecule outside the cell

Answer 30

Exocytosis

Question 31

a vesicle pinches the plasma membrane inward and brings a large molecule into the cell

Answer 31

Endocytosis