<span>Enzymes antibodies and clotting compounds are made of proteins, in which these proteins generally exist in different forms and a common example of it are the amino acids. To add up, these enzyme antibodies aids the immune system by serving as a catalytic antibody producing a hapten molecule.</span>
Answer:
Half-Life is the time for a substance (U-235 in this case) to decay to 1/2 its original mass.
Since the problem is asking for the time for U-235 to decay to 1/2 its original mass (100 grams to 50 grams) then the decay time is 1 half-life, or 700 million years.
hope it helps u kindly mark as brainliest...
It comprises a group of naturally occurring molecules that include fats<span>, waxes, sterols, </span>fat<span>-soluble vitamins (such as vitamins A, D, E, and K), monoglycerides, diglycerides, triglycerides, phospholipids, and others. ... The word </span>lipid<span> stems etymologically from the Greek lipos (</span>fat<span>).</span>
