An organism has 20 chromosomes after fertilization. After meiosis, how many chromosomes would each sex cell have? 5
10
20
40

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a

As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.

The molar mass of nickel(ni) is 58.7 g/mol. how many moles are in an 88 gram sample of nickel?