Answer:
The power of the objective lens multiplied by the power of the ocular lens
Explanation:
Answer:
4. The cell has chloroplasts to turn sunlight into food
It depends on the concentration of nerve receptors in different areas of the skin.
Answer:
Conifers are gynosperm which reproduce through the exposed seeds found in the cones
Answer:
Sperm-egg interaction
Explanation:
The formation of fertilization envelope is well-studied on the model system- sea urchin. It has been shown that, the fertilization envelope is formed after the initial sperm-egg interaction from the egg surface vitelline envelope and the paracrystalline protein fraction which is derived from cortical granules. Secretion from cortical granules, prevents polyspermy.