L-dopa is effective against Parkinson's, but its enantiomer D-dopa is not. An enantiomers drug may not be equally effective. The enantiomer, in chemistry, is one of two stereoisomers that are mirror images of each other that are non-superposable, much as one's left and right hands are the same except for being reversed along one axis. It is also known as an optical isomer.
Answer:
B. Three rings cleaved bark
Explanation:
xylem is arranged in rings. The xylem vascular tissue has water and minerals that is from the roots that go to.the rest of the tree. It also gives the tree physical support. Its found inside the cambium layer.
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Answer:
Maybe you could write because people are consentrating on their phones juring class.
Maybe they are skipping lessons .
Maybe the teachers are sleeping in class because they did not get their full sallery.
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I believe the answer is: <span>continuous
</span><span>continuous Reinforcement schedule refers to a type of reinforcement that given every single time a target behavior is initiated by the subject.
This type of reinforcement is aimed to make the subject develop strong association between the behavior and the response.</span>
