Evoloution - Study guides, Revision notes & Summaries

Cells Basic unit of life 60 percent of water nucleus contains genetic material plasma membrane semipermeable seperates contents of cell from interstitial fluid selectively semipermiable membrane allow only right size or chemical nature to pass through membrane cytoplasm fluid matrix found between plasma membrane and nucleus organelles cell structure that carries out a specific function within the cell mitochondria site of cellular respiration an...

A parental chain of DNA provides the following template: AAT CGA CGT. Which of the following sequences of free nucleotides would pair with the parental template? (a) AAT CGA CGT, (b) GGC TAG TAC , (c) TTA GCT GCA, (d) CCG AAG GAA, (e) none of the above. - ANSWER 1) TTA GCT GCA A population that bears resemblance in both genotype and phenotype to the ancestral first family of the group is called founder's effect. (a) true, (b) false. - ANSWER 2) true If a string of DNA is GAT CAG AAT, then...

A key idea in biology, evolution provides an explanation for the diversity of life on Earth. According to Charles Darwin's theory of evolution, which dates back to the 19th century, natural selection causes species to change over time. Below is a synopsis of the main ideas behind evolution:

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A note on biology, royal biology, nature, microbiology,