Nucleosomes are a. the dna-protein structures which can leave the nucleus b. area of the nucleus where dna is being repaired c. a length of dna wound onto a histone protein d. chromosomes which carry information about nuclear membranes

Which of the following statements is true of enzymes? a)they dont provide an active site for substrates to bind in a reaction b)they act on a specific type of substrate in a reaction c)they unusable after a reaction d)they change shape after a reaction

Twind is considered to be an abiotic factor because it.?

Matthew decided he wanted to hike up mount everest. on his way to the top, it began to snow and the temperature dropped to -10°f. matthew forgot to wear a heavy jacket so his body began to shiver beyond control. in this case, matthew's body shivering is the to a drop in temperature. * 0 points reflex stimuli responce environmental facto