Q1. A patient has an 80 percent blockage of his left anterior descending coronary artery. Illustrate what occurs in terms of myocardial oxygen supply and demand if his sympathetic nervous system is stimulated. Q2. When a homozygous black, solid-hoofed male pig was mated to a female from pure breed of […]

Virtual Lab: Variation in Plant Life Cycles The life cycle of all plants is complex because it is characterized by alternation of generations. Plants alternate between diploid sporophyte and haploid gametophyte generations, and between sexual and asexual reproduction. The ability to reproduce both sexually and asexually gives plants the flexibility […]

Q1. An experiment is planned to study mechanism of sucrose uptake by plant cells. Cells are immersed in a sucrose solution, and pH of the solution is monitored. Samples of the cells are taken at intervals, and their sucrose concentration is measured. Their sucrose uptake correlates with a rise in […]

For your primary post, select ONE of the following discussion topics. Write a primary post of at least 125 words that addresses both (a) and (b) for the topic you choose. Also, make a substantive reply to a fellow classmate on any topic. Use your own words. If you use […]