Answer:
The correct answer is option (e)-"All of the answer choices are correct".
Explanation:
Fossils are defined as the remains of ancient organisms. Fossils are obtained from impressions left after an organism decays. There are different kinds of fossils depending on the material they are made of and how they were formed. Some fossils are made from minerals that are the replacement of the organic matter of the ancient organism, or are the replacement of mud that came from footprints. Alternatively, fossils could be plant resins or tar that preserved a specimen within.
Meiosis in reproductive organs (testes and ovary) produce gametes. Each human cell including reproductive cells contains 23 pair of chromosomes. Meiosis separates the two chromosomes from each pair thus, each gamete receives only one copy of each chromosome. Therefore, each gamete has 23 new chromosomes, one from each of the 23 pairs. During meiosis, exchange of chromosome segment between copies of a pair of chromosomes. The exchange of chromosome segments creates new combinations of genes which enhances genetic variability within a species.
Answer:
Thus, the correct answer is option A.
Explanation:
Immunofluorescence microscopy is commonplace technique that is used for microbiological samples. The immunofluorescence microscopy use light microscopy with fluorescent microscopy.
It is used to cultured cell lines, tissue sections and individual cells it is used to analyze the small and nonbiological molecules and to the glycans and proteins and other macromolecules.
Thus, the correct answer is option A. Can be used to map the location of specific molecules in cells.
Answer:
A: Oil
Explanation:
Chemo synthesis is the biological conversion of one or more carbon-containing molecules (usually carbon dioxide or methane) and nutrients into organic matter using the oxidation of inorganic compounds (e.g., hydrogen gas, hydrogen sulfide) or methane as a source of energy.
Bacteria living on the sea floor or within animals use energy stored in the chemical bonds of hydrogen sulfide and methane to make glucose from water and carbon dioxide.
Chemo synthetic bacteria are organisms that use inorganic molecules as a source of energy and convert them into organic substances. Chemo synthetic bacteria, unlike plants, obtain their energy from the oxidation.
So Oil is not a possible source of energy for Chemo synthesis.
In most animal life cycles, the multicellular diploid stage is the dominant ploidy.
The multicellular diploid stage is the most obvious life stage in the diploid-dominant life cycle, as it is in most animals, including humans. Almost all animals follow a diploid-dominant life cycle strategy in which the organism's only haploid cells are gametes. Almost all animals have a diploid-dominant life cycle, with the gametes being the only haploid cells. The gonads produce special diploid cells known as germ cells early in the development of an animal embryo. During the sporophyte phase, a diploid (two-chromosome) plant body grows and eventually produces spores via meiosis.
Learn more about multicellular here:
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