Question: Scientists can use mutants to study metabolic pathways. These organisms have a mutation in a gene encoding a metabolic pathway enzyme that results in the inactivation of that enzyme. Saccharomyces cerevisiae (a yeast species) mutants are available that grow on fructose, but not glucose. Which of the following glycolytic enzymes […]

Ecosystem Short answer type 1. Why producers are also named transducers? 2. How deep in sea , producers are present? 3. What are biogenetic nutrients? 4. Define a sere? 5. Which species can be named as dominant species? Short answer type 1. Name the edaphic factors of an ecosystem? 2. […]

Biology Discussion Board Questions 8 Questions a Paragraph for each questions: 1) Why is it SO hard to talk about sex? Since SEX is such a Taboo subject, some individuals may be participating in risky behavior without understanding the possible consequences or how to protect themselves and their partner. Should […]

Q1. In many countries, conservationists are trying to design national park systems so that “islands” of natural area (the big parks) are linked by thin “corridors” of undisturbed habitat. The idea is that this arrangement will allow animals and plants to migrate between refuges. Why will such migration be important? […]