Two alleles determine your blood type, one which comes from mother and another from father.
B. Catalysts are not changed during a chemical reaction.
This is a diagram of a paramecium.
I think mutation so D. If not then A
A series of radiographic images taken of the stomach and duodenum after the contrast agent barium has been swallowed is an upper GI series, where
GI<span> stands for "</span>gastrointestinal<span>," which means "stomach and intestines".
</span>This x-ray examination of the upper gastrointestinal<span> (</span>GI<span>) tract,</span>can diagnose problems in your upper GI tract, how to prepare for the procedure, and what to expect afterwards.
