Vitamins
a. are organic substances.
b. are inorganic substances.
c. are required in small amounts for normal
metabolism.
d. are organic substances and are required in
small amounts for normal metabolism.
e. are inorganic substances and are required in
small amounts for normal metabolism
D
You might also like to view...
The embedded peptides in MHC proteins are normally derived from breakdown products of cell metabolism
Indicate whether the statement is true or false.
Which group of organisms will break down the wastes and remains within the community and convert them into inorganic building blocks?
a. Decomposers b. Secondary producers c. Primary consumers d. Detritivores e. Primary producers
Which of the following is a correct statement about the formation of sustainable human stem cell
cultures?
a. Organs could not be grown for transplantation. b. Defective cells could be replaced with functional versions derived by stem cells (e.g., Parkinson disease). c. They could cure cancer. d. They could cure the common cold. e. They could cure the flue.
Which habitat is most likely to be rich in fossils?
a. eroding hillsides b. deserts c. polar ice caps d. bed of former shallow sea e. rocky plateau