using yeast

Question 1

yeast is a

Answer 1

single cell fungus

Question 2

yeast is

Answer 2

a microorganism

Question 3

what dose a yeast cell have

Answer 3

nucleus, cytoplasm ,valcule and cell menbrane sounded by a cell wall

Question 4

yeast can respire

Answer 4

with and without oxygen

Question 5

what is the word equations for anaeribic respiration

Answer 5

glucose —->ethonal +CO2 + energy

Question 6

yeast also respires aerobically wich is

Answer 6

with oxygen

Question 7

the word equation for aerobic respiration

Answer 7

glucose +oxygen –>CO2 +H2O +energy

Question 8

aerobic respiration is better because it produces

Answer 8

more energy

so they can grow and reproduce

Question 9

yeased is also ued in bakeing to make

Answer 9

bread

Question 10

yeast is used in ………. to produce nice light breas

Answer 10

dough

Question 11

yeast dose what in dough

Answer 11

it converts the sugars into carbon dioxide and some into ethanol

Question 12

what dose the cardon dioxide do in the bread

Answer 12

this makes the bread rise

Question 13

the carbondioxide ………… the dought making it lighter

Answer 13

expands

Question 14

yeast is also used to make ………….. ……….

Answer 14

alcoholic drinks

Question 15

the steps to how beer is brewed and it is made using what

Answer 15

barley

Question 16

step one of beer making

Answer 16

the barley grains are allowed to germinate

Question 17

by germinating the the barley what happens

Answer 17

the starch is in the grains is broken down into sugar and enzymes then they are dried in a kiln

Question 18

the ……….. grains is ………. ….. and water is added to produce ……….. ……….. with lots of bits in it . then it is sived

Answer 18

malted
mashed up
sugary solution

Question 19

what is added to the beer to give a bitter flavor

Answer 19

hops

Question 20

the sugary solution is then …………. by …….. turning the ……. into alcohol

Answer 20

fermenter
yeast
sugar