Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
18 Cards in this Set
- Front
- Back
|
basic unit of life
|
cell
|
|
|
regulates what enters and leaves the cells
|
plma membrane
|
|
|
control center of the cell
contains chromosomes contains nuclolus |
nucleus
|
|
|
makes ribosomes
|
nucleolus
|
|
|
liquid portion of the plasma membrane
|
cytosol
|
|
|
structures that carry out specific functions
|
organelles
|
|
|
two pairs of dna nucleotides
|
A-T
G-C |
|
|
forms sex cells
divides the chromosome number in half |
meiosis
|
|
|
dvision of body cells
|
mitosis
|
|
|
stages of mitosis
|
prophase, metaphase, anaphase, telophase
|
|
|
molecules move from a higher concentration to area of lower concentration
|
diffusion
|
|
|
diffusion of water through semipermeable membrane
|
osmosis
|
|
|
movement of materials through plasma membrane under mechanical force
|
filtration
|
|
|
movement of materials with aid of transporters in plamsa membrane
|
facilitated diffusion
|
|
|
movement of solute particles from area of lower concentration to higher concentration
requires transporters |
active transportors
|
|
|
same concentration as cell fluids
cell remains the same |
isotonic solution
|
|
|
lower concentration that cell fluids
cell swells and may burst |
hypotonic solution
|
|
|
higher concentration that the cell gluids
cell shrinks |
hypertonic solution
|
