Biology - Cells Flashcards
(20 cards)
Eukaryotic organisms
Complex - Have a nucleus
Prokaryotic organisms
simple ones - DO NOT have a nucleus
Nucleus
Stores DNA, controls the cell
Mitochondria
responsible for the energy of the cell
Ribsomes
site of protein synthesis
cell membrane
controls what moves in and out of the cell
cytoplasm
where chemical reactions take place
Chloroplast and what does it contain
- contains chlorophyll
- accounts for photosynthesis in the cell
cell wall and what is it made of
- Made of cellulose
- supports and structures the cell
permanent vacuole and what does it contain
contains cell sap, a temporary food store
Cell sap
a mixture of water, sugar, salt and protein
cells
tiny building blocks - all living organisms are made up of them
organelles
tiny structures within the cells - only visible through microscope
tissues
made up of similar cells to perform a particular function
Organs
tissues organised
Organ systems
made up of organs
Name 3 organelles that animal cells do not have
Chloroplasts, permanent vacuole, and cell wall
red blood cells - functions and adaptations
Transport oxygen and carbon dioxide around the body via the bloodstream -
biconcave disk for larger SA:V ratio.
No nucleus for more space.
Sperm cell
carry male’s genetic information.
streamliner shape for better mobility and speed
flagella (tail) for easier movement
Phloem cell
Transport dissolved sugars produced in leaves. More mitochondria for active release of sugars