Answer:
The ephedra sinica plant comprises ephedrine alkaloids, which are used in the herbal supplements. The ephedra instigates the CNS, and exhibit adrenaline like effect on the body, it opens the blood vessels, excites the nervous system, and stimulates the heart.
However, FDA, that is, the Food and Drug Administration is against the consumption of the product due to its regular complaints in comparison to any other dietary supplements used in the market. It has been found that the consumption of ephedra based supplements has resulted in intracerebral hemorrhage, cardiac effects, mania, and even death.
Due to such issues, the FDA has issued an ultimate rule in 2004 by preventing the sale of the ephedra-containing supplements as the use of such supplements has resulted in an irrational threat of injury or illness.
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The vector, which is often a small, circular piece of dna that can exist outside the bacterial chromosome, is known as a plasmid.
Bacteria and certain other microscopic species contain plasmids, which are tiny circular DNA molecules. Physically distinct from chromosomal DNA, plasmids multiply on their own. They normally contain only a few genes, including some linked to antibiotic resistance, and they can spread from one cell to another.
Recombinant DNA techniques are used by scientists to splice the genes they want to research into a plasmid. The inserted gene is duplicated along with the plasmid when it duplicates itself. Molecular cloning, the process of creating DNA molecules and introducing them into a host cell, uses plasmid vectors as the means of delivering recombinant DNA into the host cell.
To know more about plasmids, refer to the following link:
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Answer:
KEY IDEAS: Animal behavior includes all the ways animals interact with other organisms and the physical environment.Behavior can also be defined as a change in the activity of an organism in response to a stimulus, an external or internal cue or combo of cues.To fully understand a behavior, we want to know what causes it, how it develops in an individual, how it benefits an organism, and how it evolved.Some behaviors are innate, or genetically hardwired, while others are learned, or developed through experience. In many cases, behaviors have both an innate component and a learned component.
WRITE AS AN INTRO; We could ask what behavior is used for, but it might be better to ask, what isn't it used for? Animals have behaviors for almost every imaginable aspect of life, from finding food to wooing mates, from fighting off rivals to raising offspring. Some of these behaviors are innate, or hardwired, in an organism's genes. For instance, this is true of the squirrel and its acorn.
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Answer:
option (C) is your answer
I hope it's helps you