Answer:
The first stage of photosynthesis is the light dependent reactions. These reactions take place on the membrane inside the chloroplast. During this stage light energy is converted to chemical energy and reducing power.
Explanation: Hope this helps! :)
Pollen is produced in the stamen.
Stamen is the male reproductive part of a flower that produces pollen. The stamen is composed of a slender filament and a compact body called anther. The anther within the stamen is where pollen is produced. The anther is supported by the filament. Hundreds of stamens or only few stamens may be found in a flower.
Answer:
The organism is a eukaryote, because it has a cell membrane, a cytoplasm, and DNA.
The right answer is vein (it contains blood and has valves).
The infra-cardiac veins of small and medium caliber possess this system of fight against gravity. The valves consist of a dense connective tissue, surmounted by endothelial cells, corresponding to a fold of the intima. They allow blood circulation in the sense organ / heart but prevent venous reflux.