Protein ego binds to any dna molecule that it comes in contact
with(i. e., it binds dna
in a non-sequence-specific manner).

a. what part of the dna molecule is ego most likely
interactingwith?

b. name two amino acid residues that you would expect to findwithin
the dnabinding
domain of this protein.

a. The backbone

b. Lysine and arginine

Explanation:

a. EGO is most likely interacting with the sugar-phosphate backbone of the DNA. This part does not contain sequence-specific information. Specifically relating to the DNA structure, it is likely binding to the minor groove of DNA, where the backbone is exposed, as opposed to the major groove, where the bases are exposed.

b. We would expect to find amino acid residues that are known to bind DNA. These amino acid residues are usually positively charged and basic, attracted to the negatively charged DNA molecule. Examples of such amino acids include Arginine and Lysine, which interact with the DNA backbone

answer: the correct option is d. enzyme

lactase and carbonic anhydrase are the examples of enzymes.

lactase is an enzyme, which is present in the small intestine of mammals. it in the digestion of the disaccharide, lactose ( milk sugar) by converting it into two monosachharide, which are glucose and galactose.

carbonic anhydrase is present in the red blood cells. this enzyme plays significant role in the transport of co₂. it in the conversion of co₂ and h₂o into carbonic acid, which is then dissociated into bicarbonate ions and hydrogen ions.