An unknown sample is tested for chemical composition. You receive the following results: iodine test = purple; biuret test=blue; Benedict's test = green; and paper lipid test = greasy spot. Which of the following are present in this sample? (Select all that apply)
Check All That Apply
starch
protein
sugar
Lipids
None of these are present

Which of the following statements is true of enzymes? a)they dont provide an active site for substrates to bind in a reaction b)they act on a specific type of substrate in a reaction c)they unusable after a reaction d)they change shape after a reaction

Astudent analyzed ears of corn that demonstrated two traits in the f2 kernels, purple or white colors and smooth on wrinkled shapes. a tabulation of 135 individual kernels gave the following results: purple and smooth = 75 white and smooth = 28 purple and wrinkled = 24 white and wrinkled = 8 what would be the only phenotype present in the f1 ger

Why does bubbling occur when vinegar mixed with baking soda