Answer:
Prokaryotic cells lack a nucleus and membranous organelles.
Explanation:
Prokaryotic cells have the following features: 1. The genetic material (DNA) is localized to a region called the nucleoid which has no surrounding membrane.
Photosynthesis starts when a photon- a tiny packet of light is absorbing a molecule of chlorophyll.
Answer: that veins have valves to prevent backflow and arteries don’t.
Explanation:
