The diploid number is restored when the two haploid cells combine to create a zygote. Basically when the sperm cell enters the egg cell and makes the offspring.
In meiosis? Tetrads maby? When two homologus chromosomes do crossing over they're called tetrads so..
The writing materials,the envelopes and the stamps are all made of paper and this led to a great waste as the papers have to be disposed after use. This is not the case with electronic mails. Electronic mails do not need paper at all and it has drastically reduce the amount of papers that is used in writing letters.
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<span>The primary hypothesis is that they were led to extinction by hunting by humans.
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Answer:
Saturated fatty acids have all of their carbon atoms bonded to hydrogen atoms.The lipids containing saturated fatty acid are solid at room temperature
Unsaturated fatty acids have some of their carbon atoms double bonded in place of hydrogen atoms.The lipids containing unsaturated fatty acids are liquid at room temprature.
Explanation:
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