The right answer is: vitamin C and choline
Choline (vitamin B4) is the precursor on the one hand acetylcholine (important neurotransmitter and neuromodulator) and on the other hand, the cascade initiated by betaine (intermediate in the biological methylation and precursor of membrane lipids). In this, it is considered, by extension, as an integral part of the family of B vitamins,
Vitamin C protects against cellular aging, is essential for the immune defenses and increases the assimilation of iron of plant origin. It also contributes to the formation of collagen. Its deficiency leads to a disease called scurvy (hence the ascorbic acid name of vitamin C).
The egg is produced by the female part the "ovaries", then sent down to the fallopian tube during sexual reproduction which then where the sperm and egg meet which then forms a baby that grows in the uterus for 280 days or 40 weeks. :)
Homozygous is the same heterozygous is different. Such as TT and tt are homo and Tt is heterozygous.
Answer:
A. They are have a limitless growth potential, in part due to their ability to maintain telomere length, and in culture will continue to divide indefinitely.
Explanation:
Unlike normal cells, telomeres shorten in every cell division until eventually they become too short to protect the chromosomes and the cell dies. Cancer cells reverse the telomeres shortening, and instead, they lengthen them, thus they become inmortal.
