The pollen grains contain sperm which will fertilize the egg and create a seed to sprout the next generation of plants. The main male part is the stamen. It is divided into two parts: the anther and the filament. The anther produces the pollen grains that contain the sperm needed for fertilization.
Proteins do practically everything for the cell; regulation and transport are not exceptions.
Answer:
D.
Explanation:
The S phase of a cell cycle occurs during interphase, before mitosis or meiosis, and is responsible for the synthesis or replication of DNA. In this way, the genetic material of a cell is doubled before it enters mitosis or meiosis, allowing there to be enough DNA to be split into daughter cells.
Electric cars and the renewable energy that create the electricity to charge
them protects environmental quality.
Renewable energy arise from renewable sources such as sunlight, wind etc
and they are always replenished from time to time. This form of energy
doesn't emit compounds such as greenhouse gases thus helping to protect
environmental quality.
Non renewable energy is mostly gotten from fossil fuels which emits carbon
and other compounds . These compounds pollute and reduces
environmental quality.
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