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1. In two complete paragraphs • Describe 3 ways human activity is causing the 6th mass extinction on Earth.• And 3 things we can do to reduce our impact and slow the loss of biodiversity. 2. The amphipathic properties of soap facilitates the mixing of oil and water, allowing us […]

Suppose that the genes required for Isoleucine (an amino acid) biosynthesis are contained within an operon. If the cell is grown in the presence of high amounts of isoleucine you would expect to find:The repressor protein to bind to the operator, allowing transcription.The repressor protein to bind to the operator, […]

In cucumbers, dull fruit (D) is dominant over glossy fruit (d), orange fruit (R) is dominant over cream fruit (r), and bitter cotyledons (B) are dominant over nonbitter cotyledons (b). A plant homozygous for dull, orange fruit and bitter cotyledons is crossed with a plant that has glossy, cream fruit […]

i) What are the most common microorganisms found in the nose? Oropharyx, Nasopharynx? Tonsillar crypts? Lower respiratory tract? Oral cavity? Eye? External ear? Stomach? Small intestine? Colon? Genitourinary tract? ii) Differentiate between common-source and propagated epidemics. iii) Why is cholera the most sever form of gastroenteritis? What is the most […]