What helps the chromosome coil up ? A. Volume

B. Histones

C. Polymerase

D. Hydrogen

( please help its due right now ) ( ✌︎'ω')✌︎

What are the types of mutations, and how does each alter the encoded protein? college level answer

The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2

If water were a non polar molecule, how would its properties be different ? a.) water would be a much lighter molecule b.) water would be able to climb up inside plants c.)water would not be able to form hydrogen bonds d.) water would stick together much more strongly