Answer: 43.83 of nacl are required to make 500.0 ml of a 1.500 m solution
Explanation:
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Answer:
The real breakthrough in understanding DNA, however, came with the discovery of its structure in 1953. The discovery of the structure of DNA is often credited to James Watson and Francis Crick.
Explanation:
Answer:
abscisic acid
Explanation:
Abscisic acid is a plant hormone also known by the acronym ABA, whose function is growth inhibition and stomatal closure. We can also attribute to abscisic acid the function of delaying seed germination in the process known as vegetable dormancy. Usually the accumulation of this hormone happens at the beginning of the development of some seeds and is related to delayed germination.
Abscisic acid induces seed dormancy, but decreasing levels of this hormone release seeds from dormancy.
The answer would be true
The objective of vaccination is to elicit the primary immune response by introducing pathogen antigens. This antigen can be a whole weakened pathogen or just part of pathogen proteins.
The antigen will activate the primary immune response cascade that <span>will </span>activate of B-cells and T-cells from the secondary immune response. This will makes secondary immune response ready when the real pathogen comes.
