Electron microscope is used to see nucleus of a cell clearly
Had to look for the options and here is my answer:
Drosophila is considered as a specie of flies, often known as "fruit flies". In their development, the influence of the bicoid protein differs along the axis of the embryo because of the presence of <span>an anterior to the posterior gradient in BICOID protein concentration in the embryo. Hope this helps.</span>
D) They are the snallest particles of any material.
Answer:
Fertilization in plants: Fertilization is a process in which male gametes fuses with female gametes forming fertile zygote. The first step of fertilization is pollination in which pollens fall from the anther on the stigma of carpel. From stigma, the pollen grains goes to the ovary and fuses with ovule and fertilization occurs. During this fusion, seed is formed.
If organisms can not adapt they become extinct.
