2. Use a literature source to find typical vitamin C values for the food that you analyzed. Compare these values with what you obtained. 3. Why should the instrument be zeroed using the phosphate-citrate buffer as opposed to using a solution containing DCPIP? If a fruit or vegetable sample contained a molecule that absorbed light close to the λmax for DCPIP, why is it important to perform an analysis of the sample without DCPIP present?

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial

According to the tide table below what time of day will the highest tide occur?

Gymnast always perform on padded mats. how does the mats protect the gymnast