B. Lysosomes. Please rat my response and have a nice day!
Answer:
Thymine= 60 ng
Guanine= 20 ng
The complementary base pairing occurs between adenine and thymine and guanine and cytosine bases.
Explanation:
According to the Chargaff rule, a double-helical DNA molecule has an equal number or equal amount of adenine and thymine bases since adenine always pairs with thymine. Similarly, the amount of guanine base is equal to that of the cytosine base.
Chargaff rule is based on the complementary base pairing between purine and pyrimidine bases. According to the given information, the amount of adenine is 60 ng. Therefore, the cell would have 60 ng thymine. Similarly, the amount of the cytosine base in the cell is 20 ng which means that the cell would have 20 ng of guanine base.
PPLO stands for Pleuropneumonia-Like Organism and it means: Mycoplasma.
Pleuropneumonia means pneumonia complicated with pleurisy.
Mycoplasma means any of a group of small typically parasitic bacteria that lack cell walls and sometimes cause diseases.
(I hope this helps in anyway possible. Sorry if it's not in 100 words, I couldn't get to that number. But maybe you can put more words into the sentences and make them longer. But I do really hope this has helped you!)
<h3><u>Answer;</u></h3>
Whereas segregational petites exhibited Mendelian inheritance, both neutral and suppressive petites followed non-Mendelian patterns that were consistent with the involvement of an extranuclear agent
<h3><u>Explanation</u>;</h3>
- Mutations that yield defective mitochondria are expected to make cells grow much more slowly. These mutants were called petites to describe their small colonies compared to large wild type colonies.
- Petite mutants could not grow when cells had an energy source requiring only metabolic activity of mitochondria - needed sugar as well which is part of glycolytic pathway.
- Segregational petites, segregated in mendelian manner during meiosis. mutations cause defects in genes in cell nucleus encode proteins necessary for mitochondrial function.
- Vegetative petite mutants do not segregate in mendelian manner; two types: neutral and suppressive; carry mutations in mitochondrial genome itself; when two yeast cells are mated, daughter cells inherit mitochondria from both parents.
- Neutral petites lack most of their mitochondrial DNA; when mated with wildtype, the wildtype give their mitochondria so all cells display a normal phenotype.
Answer:
The community should invest in the production of biomass energy as an alternative source of energy, given the large surplus of waste corn.
Explanation:
When a community has a considerable amount of organic waste, the combustion of such wastes can be used for energy production, which is considered to be obtaining energy by biomass.
For a community with this characteristics, biomass becomes the best option for alternative energy, whereas waste is being used -which is an adequate disposal of solid waste- in addition to the fact that the production of pollutants is lower, compared to the use of fossil fuels.
Other sources of alternative energy are not possible because:
- The climatic conditions -frequent rains- do not allow to take advantage of solar energy.
- The low wind speed is not useful for wind power.
- The low flow of the rivers makes the installation of hydroelectric plants impossible.
For this community it is a fact that the best alternative energy option is to use waste corn as fuel.
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