The Cell in action

Question 1

the movement of particles from regions of higher density to lower density

Answer 1

diffusion

Question 2

the diffusion of water through a semipermeable membrane

Answer 2

osmosis

Question 3

the movement of substances across a cell membrane without the use of energy by the cell

Answer 3

passive transport

Question 4

the movement of substances across the cell membrane that requires the cell to use energy

Answer 4

active transport

Question 5

a cell membrane surrounds a particle and encloses the particle in a vesicle to bring the particle to the cell

Answer 5

endocytosis

Question 6

a cell releases a particle by enclosing the particle in a vesicle that then moves to the cells surface and fuses with the cell membrane

Answer 6

exocytosis

Question 7

the process by which plants,algae,and some bacteria use sunlight,carbon dioxide,and water to make food

Answer 7

photosynthesis

Question 8

the process by which cells use oxygen to produce energy from food

Answer 8

cellular respiration

Question 9

the breakdown of food without the use of oxygen

Answer 9

fermentation

Question 10

the life cycle of a cell

Answer 10

cell cycle

Question 11

in a Eukaryota cell, one of the structers in the nucleus that are made of of DNA and protein

Answer 11

chromosomes

Question 12

chromosomes that have the same sequence of genes and the same structure

Answer 12

homologous

Question 13

in a Eukaryota cells, a process of cell division that forms two new necli

Answer 13

mitosis

Question 14

the division of the cytoplasm of a cell

Answer 14

cytokinesis