Food that has been subjected to the salivia and the many digestive juices of the GI tract is called Bolus.
The disappearance of the deer indicates A. Intraspecific Competition
The correct answer is: the short half-life of edrophonium makes it impractical for long-term.
Edrophonium is used for the diagnostic of myasthenia gravis. In patient with myasthenia gravis, the body produces autoantibodies which inhibit nicotinic acetylcholine receptors in the neuromuscular junction. Edrophonium, on the other hand, is acetylcholinesterase inhibitor which blocks the effect of acetylcholinesterase enzymes (AcH stays in synaptic cleft).
Substitution for the edrophonium is pyridostigmine which is also acetylcholinesterase inhibitor but with long-term maintenance.
Answer:
phototropism only happens after plants move from darkness into the light (false)