Why do mutations make such a large contribution to bacterial genetic variation?

Mutations are changes in nucleotide sequence. Some are neutral because whatever amino acid substitutions they cause do not seriously affect the final protein. A frameshift mutation, however, can change a protein's function.

What is the primary goal of sustainable farming? decreasing short-term costs and increasing long-term income meeting current needs while preserving resources for the future developing new crops to grow while still growing traditional varieties

N ecosystems, plants transform light energy from the Sun into chemical energy when they make sugar. This sugar can then be consumed by other organisms to be used as building blocks for other molecules, such as proteins and fats, or it can be

Which statement is correct? A. All organisms that can synthesize their food by means of photosynthesis are heterotrophic. B. All organisms that cannot synthesize their food by means of photosynthesis or chemosynthesis are heterotrophic. C.

The Gluecks identified a number of personal and social factors related to persistent offending. The most important of those factors was family relations. What were the terms considered in the family relations

What are some facts abt Neptune & Uranus?

Which of these substances could be driven across a membrane by the resting membrane potential?

Norway rats have 42 chromosomes in their diploid cells. If a diploid rat cell enters meiosis, how many chromosomes and double-helical molecules of DNA will be present in each daughter cell at the end of meiosis II?

Which discovery is attributed to Phoebus Levene? A. extraction and observation of DNA B. identification of ribose and deoxyribose C. recognition of RNA as DNA's messenger D. construction of an accurate DNA model

A small population of chimpanzees lives in a habitat that undergoes no changes for a long period. how will genetic drift probably affect this population?