The correct answer is B. unicellular.
Dinoflagellates are unicellular or multicellular, producers, and autotrophs, and apple trees are multicellular, producers, and autotrophs. All plants have numerous cells in them, so they can never be unicellular. The remaining characteristics they share with less complex organisms such as dinoflagellates.
Answer:
A is an enzyme,B is substrate, and yes, protein
Explanation:
Answer:
structure is what something does and function is how it does it
Explanation: