using yeast Flashcards
yeast is a
single cell fungus
yeast is
a microorganism
what dose a yeast cell have
nucleus, cytoplasm ,valcule and cell menbrane sounded by a cell wall
yeast can respire
with and without oxygen
what is the word equations for anaeribic respiration
glucose —->ethonal +CO2 + energy
yeast also respires aerobically wich is
with oxygen
the word equation for aerobic respiration
glucose +oxygen –>CO2 +H2O +energy
aerobic respiration is better because it produces
more energy
so they can grow and reproduce
yeased is also ued in bakeing to make
bread
yeast is used in ………. to produce nice light breas
dough
yeast dose what in dough
it converts the sugars into carbon dioxide and some into ethanol
what dose the cardon dioxide do in the bread
this makes the bread rise
the carbondioxide ………… the dought making it lighter
expands
yeast is also used to make ………….. ……….
alcoholic drinks
the steps to how beer is brewed and it is made using what
barley
step one of beer making
the barley grains are allowed to germinate
by germinating the the barley what happens
the starch is in the grains is broken down into sugar and enzymes then they are dried in a kiln
the ……….. grains is ………. ….. and water is added to produce ……….. ……….. with lots of bits in it . then it is sived
malted
mashed up
sugary solution
what is added to the beer to give a bitter flavor
hops
the sugary solution is then …………. by …….. turning the ……. into alcohol
fermenter
yeast
sugar