Experiment Questions Flashcards
What is a pulse
The alternate expansion and contraction of arteries is called a pulse.
What makes the wrist a suitable part of the body to detect a pulse
It has an artery near surface
In the investigation of breathing rate what was the control
Rate measured at rest
In the investigation of breathing rate what was the control
Rate measured at rest
What was the purpose of the control in breathing rate exp
To compare results
(Growth of leaf using agar)
What was the purpose of malt in these plants
Food
(Growth of food using agar)
Why was the underside of the leaf facing agar
So yeast can fall onto agar
9growth of leaf using agar)
Describe the color of leaf yeasts on b
Pink
(Growth of leaf using agar)
Suggest one reason why results between b and c are different
More pollution in urban area
(Growth of leaf using agar)
State one correct disposal method
Soak in dissinfectant
(Production of alcohol by yeast)
Where in the cell does this take place
Cytoplasm
(Production of alcohol by yeast0
From which substance did yeast make alcohol
Glucose
(Production of alcohol by yeast)
How is optimum temp maintained
Water bath
(Production of alcohol by yeast)
How is fermentation finished
No more bubbles
