04.2 figure 3 shows some equipment that can be used
to determine the concentration of salt solution
inside potato cells.
figure 3
boiling tube
salt solution
cylinder of
potato
distilled
water
salt
solution
describe how the equipment could be used to
determine the concentration of salt solution inside
potato cells.
you should include:
variables that you would need to keep the same
measurements you would need to take
how you would conclude what the concentratior
of salt solution inside the potato cells is. [6 marks

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

Aresearcher designed an investigation to test what effect eating different types of food would have on blood insulin levels. she selected 10 male subjects who were all 25 years of age and in good health. the experiment took place over 3 days. at 8: 00 a.m. on each day, the subjects ate a meal consisting of only 1 type of food. they had their blood insulin levels measured after consuming the meal. on day 1 they ate a high fat diet, on day 2 they ate a high protein diet, and on day 3 they ate a high sugar diel what is the independent variable in this experiment? a the age of the subjects b the blood insulin level c the type of food consumed d the time of day the meal was consumed

If a grape were placed in a hypertonic solution what would happen and why?