Answer:
Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus. A chromosome contains hundreds to thousands of genes. Every normal human cell contains 23 pairs of chromosomes, for a total of 46 chromosomes.
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During translation, ribosomal subunits assemble as a sandwich on the mRNA strand where they attract amino acid (circle) tied tRNA molecules. A long amino acid chain emerges as the ribosome decodes the mRNA sequence into a polypeptide or a new protein.
The concept of spontaneous generation was disapproved by Louis Pasteur. He did this by boiling liquid with proteins and other nutrients in S-neck flasks and usual flask to eliminate all the microbes present. In the usual flask the liquid showed modifications when coming in contact with air, and in S-neck flask, there was no change, as microbes were not able to get within the S-neck flask.
When the S-neck was removed, a change in the liquid was observed as microbes were able to penetrate the liquid. Pasteur demonstrated that it was not the air itself, however, the particles present within it that exhibited microorganisms.
The answer is D. To test the growth of alfalfa plants with and without nitrogen rich fertilizer
Human Impacts
Overfishing, introduction of non-native species, and bioaccumulation are just a few examples of how humans impact aquatic food webs. Example: Bioaccumulation Pollution can accumulate from species to species, moving up the food chain until it eventually affects the whole food web.
