<span>The answer is duodenum.</span>
Answer:
Explanation:
(AZT) was the first antiretroviral drug used in HIV and AIDS. It is expensive and has several adverse effects including nausea, vomiting, blood problems and myopathy. The review of trials found that AZT does delay the early progression of HIV disease, but this improvement is not sustained. AZT alone does not increase survival for people without AIDS.
Answer:
Explanation:
The elliptical orbits of planets were indicated by calculations of the orbit of Mars. From this, Kepler inferred that other bodies in the Solar System, including those farther away from the Sun, also have elliptical orbits. The second law helps to establish that when a planet is closer to the Sun, it travels faster.
Answer:
The diagram, which illustrates a form of genetic recombination, shows that each allele is granted separately to the daughter cells, which is an example of independent assortment.
Explanation:
Crossing over, fertilization and independent assortment are methods of genetic recombination. The diagram (image) states that A-a and B-b are alleles for different characteristics, found in genes and chromosomes.
Independent assortment it was observed for the first time by Gregory Mendel, during his experiments with peas, describing that alleles -the portion of genes that contains variations of specific characteristics- are unrelated to each other and can be distributed independently in the daughter cells.
In this case, thanks to independent assortment, each parent can pass the characteristics of their genotype separately to the offspring -which will have shared characteristics of both- producing genetic variation in species.
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