What is osmosis?
the movement of water through a membrane
What is passive transport?
the movement of substances through a cell membrane without the use of cell energy
What is endocytosis?
the process by which a cell membrane surrounds and encloses a large particle to bring it into the cell
What is a vesicle?
the sac formed around a large particle to allow a cell to take in or remove the particle
What is active transport?
the movement of substances through a cell membrane with the use of cell energy
What is diffusion?
the movement of particles from regions of higher density to regions of lower density
What is exocytyosis?
the process by which a cell gets rid of large particles
What is mitosis?
the process of chromosome separation
What is the cell cycle?
the life stages of a cell
What is homologous chromosomes?
pairs of similar chromosomes
What are chromosomes?
containers for DNA the hereditary material that controls cell activities
What is cytokinesis?
the division of cytoplasm
Why can green plants survive in a world without mammals but mammals can not live without green plants?
What are the cell cycles?
name all phases
When does Fermentation occurs when a cell can't get?
oxygen for cellular respiration
What is a product of photosynthesis?
What is NOT uses to make glucose in photosynthesis?
Where do materials go in and out of an organism's cells?
What is the process that moves particles from areas of lower to areas of higher concentration?
What moves materials through a cell membrane by active transport requires the use of?
What is located in the chloroplasts?
What part of the cell uses cellular respiration to release energy stored in food?
When is carbon dioxide released?
during cellular respiration
What the Chromosomes are located in a main ring of?
What materials controls all cell activities?
What happens during the process of diffusion?
particles move from area of higher concentration to lower concentration
What process do cells use oxygen to produce energy from food?
What is lactic acid?
one type of fermentation in muscle cells
What helps a plant produce food?
Why do cells produce new cells?
to replace the ones that have died
What happens during MITOSIS in a plant cell?
a cell plate forms and the cell splits in two
When does a cell not use energy?
What is it called when water diffuses into or out of a cell?
What is it called when a cell moves particles with the use of energy?
What does cellular respiration allow an organism to get energy from?