<span>The answer is cysteine. This is a half essential proteinogenic amino acid with the formulation of HO₂CCHCH₂SH. It is prearranged by the codons UGU and UGC. The thiol side chain in cysteine frequently partakes in enzymatic responses, as a nucleophile.</span>
Emir is most probably taking a class on human anatomy. Human anatomy involves all the structures in the composition of the human body. Human anatomy can be studied either by systems (i.e. cardiovascular system, respiratory system, etc.) or by regions (i.e. thoracic anatomy, abdominal anatomy, pelvic anatomy, head and neck anatomy, etc.) depending on the course.
Gametes<span> are the reproductive cells used during sexual reproduction to </span>produce<span> a new organism called a zygote. The </span>gametes<span> in </span>males and females<span> are </span>different. The male gamete<span> is called sperm. It is much smaller than the </span>female gamete<span> and very mobile.</span>
The answer is, "It has membrane-bound organelles."
The small intestine absorbs nutrients.
