Answer:
Mutation is important as the first step of evolution because it creates a new DNA sequence for a particular gene, creating a new allele.
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Answer:
When a muscle contracts, the actin is pulled along myosin toward the center of the sarcomere until the actin and myosin filaments are completely overlapped.
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Answer:
the chemicals needed to produce molecules comes from the food which an organism eat.
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I answered it before !!
B is the correct one !! Mitosis in two identical diploid and meiosis in 4 genetically varied haploid !!
Answer:
bio -characteristic of life
