Which of the following is true regarding photosynthetic cells?
a) they are heterotrophic
b) they are autotrophic
c) they are only bacterial cells
d) the photosynthetic organelle can only be seen under an electron microscope

The largest unit within which gene flow can readily occur is a

All of the following statements about enzymes are correct except: proteolytic enzymes are also known as proteases. pectin methyl esterase causes browning of cut fruit. cloud loss in orange juice is due to enzyme activity. proteolytic enzymes in fish cause tissue softening during storage.

The word belongs in a different group than all of the other words in the list.