The ancient Egyptians used the stars to tell when a flood was going to happen. Every summer a flood would happen but this also happened when the bright star Sirius rose before the sun.
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Answer:
Sex cells are the only cells that undergo meiosis.
Explanation:
Sperm cells in male and egg cells in female are the sex cells because these cells are responsible for the formation of new organism. When the sperm sex cell fuse with egg sex cell forming zygote which turns into a new organism. Mitosis occurs in somatic cells while meiosis occurs only in sex cells.
The protein components which reside on the red blood cell membrane and which determines blood type are THE ANTIGENS.
Antigens are proteins molecules which are found on the surface of the red blood cell, the antigens that are present in the cell determine the type of blood that will be present in the individual. There are four types of blood; A, B, AB and O. <span />
Answer:
Light energy is converted to chemical energy during photosynthesis.
Explanation: