Examlex
Choose the correct answer from the list below. Not all of the answers will be used.
-____________: Chiral type of amino acids found in proteins.
First Major Extinction
Refers to the Ordovician-Silurian extinction event, which is believed to be the first of the five major extinction events in Earth's history, occurring approximately 443 million years ago.
Epoch
A division of time that is smaller than a period and greater than an age, used in geology to describe sections of the geologic timescale.
Ordovician
A geologic period and system which is the second period of the Paleozoic Era, characterized by the diversification of marine life.
Radioactive Decay
The process by which the nucleus of an unstable atom loses energy by emitting radiation, leading to a change in its number of protons and/or neutrons.
Q1: The antibiotic penicillin is an example of
Q10: _: The amino acid with a sulfhydryl
Q15: Design a potential DNA-restriction enzyme site. Show
Q27: _: The charge of the side group
Q36: The common name of hexadecanoic acid is
Q38: What are DNA adduct and how are
Q39: Bacteria that become penicillin resistant express an
Q39: 7TM is an abbreviation for _ receptors.
Q42: How does the size of an amino
Q43: Protein kinase A phosphorylates serine and _