science: living vs nonliving things ; cells

what does the cell membrane do?

the cell membrane protects the cell, and lets certain things in or out and keeps things out as well.

what are organelles?

organelles are the cells tiny organs.

what allows things to come in or out of a cell?

the pores on a cell membrane.

what is allowed in a cell?

glucose, water, nutrients.

what isn’t allowed in a cell?

viruses

what is taken out of a cell?

wastes

what does the mitochondria do?

makes energy and store energy.

how does the mitochondria work?

they use glucose

what does a lysosomes do?

they break down large molecules

how does a lysosome do its job?

they create enzymes to help.

what is the diffrence between diffusion and osmosis?

osmosis deals with only water moving from high concentration, while diffusion deals with many different materials in the cells.

what is in a plant cell that isnt in a animal cell?

chloroplast, cell wall, and only one large vacuole.

who is robert hooke and what did he discover?

discovered dead plant cells in 1665 on a cork and was the first to name the cells.

who is anton van leewoenhoek and what did he find?

discovered animalcules or bacteria on his teeth scrapings.

who is Matthias Schleiden and what did he discover?

discovered that all plant parts were made of cells.

what did theodor schwann discover?

discovered that all animals were made of cells.

what did Rudolph virchow discover?

discovered that all living cells can only come from other living cells.