the cell and tissues Flashcards
smallest living unit of structure and function humans have 46 chromosomes/ 23 pairs in each
cell
largest cell in the human body
ovum
smallest cell in the body
sperm
3 main parts of a cell
plasma membrane. cytoplasm, nucleus
the external structure of the cell
AKA cell membrane
plasma membrane
the substance inside the cell
intracellular fluid
cytoplasm
the command center of the cell
nucleus
gatekeeper or “bouncer”/ selectively permeable made of phospholipids and cholesterol
plasma membrane
cell glue “living matter”
contains the nucleus and organelles
cytoplasm
contains DNA
directs activity of the organelles
nucleus
controls mitosis
surrounded by the nuclear membrane
nucleus
nucleoplasm is the stuff inside of it
nucleus
this contains the nucleolus and chromatin
nucleoplasm
an organelle that consists of sacs and canals uses ribosomes to synthesize protiens
rough endoplasmic reticulum
an organelle that consists of sacs and canals synthesizes lipids and helps eliminate toxins
smooth endoplasmic reticulum
an organelle
protien factories; RNA
ribosomes
an organelle that processes molecules from the ER packs and transports carbs and protiens
golgi apparatus
an organelle
powerhouse of the cell; turns glucose to ATP
Mitochondria
an organelle
digestive system of the cell gets rid of waste
lysosome
an organelle that is rod-shaped
assists during mitosis (cell reproduction); spindle
centrioles
an organelle
little feet to move material over cell
cillia
an organelle
moves the sperm cell; tail
flagalia
chemical used as energy in mitochondria
AKA adenosine triphoshate
ATP
fingerlike projections of the cell membrane that increase surface area and aid in absorbing substances from extracellular fluid
mircovilli
cleaner of the cell
aka suicide sacs (they sacrifice selves for the cell)
lysosomes
found in the nucleoplasm, it programs the formation of ribosomes
the nucleous
little bits of DNA immature genetic material
chromatin
during this process of cell division, DNA molecules turn into chromosomes
mitosis
a type of transport that requires cellular energy from ATP produced in mitochondria
active transport
a type of transport that involves a low to high concentration
active transport
a type of transport that involves no cellular energy
passive transport
a type of transport that involves a high to low concentration
passive transport
2 kinds of passive transport
diffusion
filtration
process by which substances scatter evenly throughout an available space
diffusion
2 kinds of diffusion
osmosis
dialysis
Diffusion of water across a Premeable membrane
Osmosis
Diffusion of water and solutes (filter)
Dialysis
Water and solutes are pushed through the membrane by hydrostatic pressure
Filtration
A type of passive transport
Example, coffee, and coffee maker
Filtration
Three kinds ____ ______
Active transport
A type of active transport
A.k.a. permease system
Ion pump
A type of active transport moves ions across the membrane against a concentration gradient
Ion pump
Proteins structure in cell membrane, called a carrier, created by energy in active transport
Ion pump