Answer: Atmospheric gases, especially carbon dioxide (CO2) and oxygen (O2), are extremely important for living organisms. Carbon dioxide and oxygen are the gases in the atmosphere that are needed for life. Plants need carbon dioxide for photosynthesis. They use sunlight to change carbon dioxide and water into food. The process releases oxygen
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III
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DNA polymerase can synthesize only a new DNA strand not m-RNA. It can do this in the 5’ to 3’ direction.
Answer: Female worker bees
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• O A. ACUUGGCGACGU
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Anticodons of tRNA have same sequence as of any DNA code they are for. Why? <em>This is because original DNA is transcripted into a mRNA sequence which is complementary to the original DNA sequence. This mRNA is complementary to the original sequence while the anticodons on tRNA are again complementary to the mRNA sequence,</em> which in-turn means that they have exactly same sequence as of original DNA. This is how they interpret the original cod and manifest the expression of correct amino acids as they are present in parents.
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<span>This is speciation. In this process, two distinct species are formed through the intervention of some means such as differing environments or locations. This is done typically as a way of staying evolutionarily competitive in the area in which the species resides. The new species would be the exemplar of that which is best suited to the new conditions.</span>
