Which of the following is unique to meiosis?

a) chromosome duplication occurs prior to cell division.
b) chromosomes align along the central plate of the cell.
c) daughter cells produced are genetically identical.
d) daughter cells produced in meiosis are genetically different.

Which class of molecules contains the amino group, nh2 (a) sugars (b) water (c) proteins (d) hydrocarbons

Charles darwin published his theory of evolution in 1859. in what way foes modern evolutionary theory differ from the theory as proposed by darwin? a) darwin inferred that individuals can evolve, but modern generic science has shown that this is not true. b)darwin inferred that individuals do not evolve, but modern genetic science has shown that this is not true. c)modern science has disproved most of darwin's original theory of evolution, because darwin knew nothing about generations and their role in heredity. d)generic studies have shown that gene expression and other factors operate along with natural selection, but most of darwin's theory has been supported by modern science.

What are the formed elements (cell or parts of cell) in blood and what are their functions ?