Cells Flashcards
what is a cell?
smallest living unit of an organism
what 4 types of cells exist?
unicellular, multicellular, somatic, and sex
what does a unicellular cell consist of?
a single cell
what does a multicellular cell consist of?
over 100 Trillion cells
What does a cell do when maximum potential is reached?
divides in 2, 4, and so on - old cells reproduce and die
what are the functions of a cell?
cell division, waste removal, respiration, nutrition
what is a somatic cell
any cell forming in a living body
what is a sex cell?
involved in reproduction
Nucleus definition
powerhouse of the cell. it holds chromosomes
Chromosomes definition
strands of DNA
what does DNA stand for
deoxyribonucleic acid
Membrane definiton
separates a cell from its environment
Semipermeable
only allowing certain things to enter the base of the cell`