1. In compost tea made by incubation dry leaves in sterile water, many aquatic life forms can be detected after 2-3 weeks old. Where did these and other microbes com from? Were they present at the start? 2. Eastern hognose snakes (Heterodon platirhinos) are dietry specialists feeding almost exclusively on […]

Biology Assignment: Central Nervous System 1.The central nervous system (CNS) consists of the brain and spinal cord . 2.The epidural space contains primarily fat . Epidural anesthetics therefore have to cross the dura mater order to reach the nerve roots within the subarachnoid space. 3.Cerebrospinal fluid is created from blood […]

1) A wild-type polypeptideconsists of 27 amino acids. Many mutants have been discovered that produce versions of this polypeptide that are longer than normal.These mutations are each due to a substitution of a singlebase. a. What kind of mutation isresponsible? b. Do you expect the first 27amino acids in the […]

A 25 year old man was brought to the emergency room with a broken leg. His medical history was unremarkable, although he reveals that his mother had died of some “complication” following routine surgery. The patient was taken to surgery for repair of his fractured left distal tibia. He was […]