2: Organisation of the organism Flashcards
Eukaryotic and Prokaryotic cells
Eukaryotic cells (plant & animal) contain nucleus, membrane bound organelles( ribosomes, mitochondria), rough endoplasmic reticulum
Prokaryotic cells (bacteria, archaea, and cyanobacteria (blue-green algae)) contain Nucleoid, Ribosomes, Cell wall, Cell membrane
Define tissue, organ, organ system
Tissue - group of cells with similar structures, working together to perform a shared function
Organ - structure made up of a group of tissues, …
Organ system - group of organs with related functions, …
Magnification formula, unit
Image size = actual x magnification
micrometre (um)
1 cm = 10 um
1 mm = 1000 um
function Ciliated cell
movement of mucus in the trachea and bronchi
function Red blood cell
Transport of oxygen
function sperm cell and egg cell
reproduction
function nerve cell
conduction of impulses
palisade mesophyll cells
photosynthesis
root hair cells
absorption
xylem vessels
conduction and support