The answer is A- Menstruation
Double blind is the type of research study is set up so that neither subjects nor investigators know which is the active group and which is receiving a placebo.
<span>A. Wilson’s disease
(</span><span>An inherited disorder that causes too much copper to accumulate in the organs.)</span>
Answer:
Hemoglobin consists of <u>protein</u> subunits (the globin molecules).
Explanation:
These proteins, in turn, are folded chains of a large number of different amino acids called polypeptides. The amino acid sequence of any polypeptide created by a cell is in turn determined by the stretches of DNA called <u>genes</u>.
