Question 1
which of the following statements about bmi calculation is true?
when calculated properly, bmi effectively differentiates between lean tissue and fat.
b bmi calculation has no disadvantages compared to other methods of weight
evaluation.
c bmi calculation can neglect the difference between lean tissue and body fat if
used in isolation.
bmi calculation takes into consideration both lean tissue and body fat but can
be inaccurate.
question 2
savannah should eat to get vitamin c and protect against illness.
a apples
b bananas
c carrots
d strawberries

You isolate an infectious substance capable of causing disease in plants, but you do not know whether the infectious agent is a bacterium, virus, viroid, or prion. you have four methods at your disposal to analyze the substance and determine the nature of the infectious agent.i. treat the substance with enzymes that destroy all nucleic acids and then determine whether the substance is still infectious.ii. microscope.iii. culture the substance on nutritive medium, away from any plant cells.iv. treat the sample with proteases that digest all proteins and then determining whether the substance is still infectious.if you already know that the infectious agent was either bacterial or viral, which method(s) listed above would allow you to distinguish between these two possibilities? a) ib) iic) ii or iiid) iv