All of the following are ways to distinguish types of conifers EXCEPT the type of cone.
the height of the tree.
the shape of the needles.
how the needles are attached to the stalk.

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

Are produced in the light reactions and used in the calvin cycle. a)nadh and atp b)electrons and sugar c)nadt+ and adp d)sugar molecules

What does it mean for a cell membrane to be selectively permable