Answer: The four nitrogenous bases in DNA are guanine, adenine, cytosine and thymine; in RNA, uracil is used in place of thymine.
Explanation:
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C. Savanna and grassland
<span>An ecosystem involves both the biological (plants, animals, human beings) and non-biological (land, water, soil, and atmosphere) community which interacts as a system. More importantly, the living things are very dependent on the abiotic community since it cannot survive by itself. Every animal, plant and human needs the primary physiological needs of water, food and shelter provided by the abiotic system.<span>
A biome is composed of various diverging ecosystems that relates with the community. Biomes can either be deserts, grassland, savanna, tropical rain forest, taiga, boreal and etc.
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Insertion or deletion results in a frame-shift that changes the reading of subsequent codons, thus modifying the entire sequence of amino acids that accompany the mutation. Insertions and deletions are generally more dangerous than substitutes in which only one amino acid is changed. So it’s most likely C
From a scientific standpoint, false- evolution must be passed on from generation to generation.