I think the correct answer would be the first option. It is the carbohydrates that is used as markers by cells to help recognize each other. Sugar chains are being used by the cells which are found on the outer membrane to help identify other cells.
They both use a reproductive strategy called alternation of generations, where there are two different reproducing morphologies: a diploid sporophyte, and a haplod gametophyte. The sporophyte produces spores by meiosis (2N -> N), which disperse and form the gametophyte, which produces gametes by mitosis (N ->N). Two of those gametes fuse to create a diplod zygote (N + N -> 2N), which becomes the new sporophyte
There are differences between the two types of plants, especially the relative size of the sporophytes and gametophytes, but they both use this kind of reproductive strategy.
They make proteins, synthesis of proteins
Hi recent research on the type A behavior pattern suggests that the
*Hostility* subcomponent is the best predicator of subsequent cornet heart disease.
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<span>This is a true statement. During mitosis, the cell's contents are copied and then the cell splits, leading to a pair of exact copies. The cell contains a single copy of each chromosome, and is a way of assuring that the cells continue to divide and grow.</span>