cells and cell organelles Flashcards
(17 cards)
what is the equation of magnification
image size / actual size
what is a unicellular organism
an organism of one cell
what is the flagella
single-celled organisms tail
what does the flagella do
help the single-celled organisms tail move about the habitat
what are pseudopodia
small finger-like projections that you can see on the edge of some single celled organisms
what does the pseudopodia do
can help the organism move and catch food and transport food into the cell
yeast is what
a unicellular fungi
what two things do yeast do
convert sugar into alcohol
produce carbon dioxide
who uses yeast for what
wine makers use yeast to make wine
bakers use it to bake bread
what are the seven life processes ( MRS GREN)
movement, respiration, sensitivity, growth, reproduction, excretion and nutrition.
define prokaryotic cell
a unicellular organism which lacks a nucleus and mitochondria
define eukaryotic cell
a cell that’s apart of a multicellular organism
name the function of ribosomes
translates code into a string of amino acids, which make proteins
name the function of the mitochondria
generate most chemical energy to fuel most biochemical actions
what is the function of nucleus
houses genetic material. cells control centre
what is the function of the plasma membrane
provides protection for the cell
lets nutrients in, and toxic substances out.
name all the parts of a prokaryotic cell and their functions
ribosome
flagella
cell wall and cell membrane
cytoplasm
plasmid
nuclei (DNA)
pili