Question: Assume you are walking on the beach when you step on a shell and cut your foot. Four cells of Vibrio vulnificus bacteria are transferred from the shell and deposited deep inside the cut. 72 hours later, the cut has become extremely painful and you go to the doctor. If […]

Two new chemicals have just been made by one of our colleagues in the medicinal chemistry area. The discoverer thinks that these chemicals will improve memory, so we test these drugs called A and B. In order to test the drugs, we take examinations after ingesting various amounts of the […]

Terminology Cell Division andGenetics Write short definitions for each ( 1 or 2 sentences ) Sexual reproduction- Asexual reproduction- Centromere- Metacentric- Submetacentric- Telocentric- Chromatids- Karyotype- Centrioles- Mitotic spindle- Crossing over- Prophase- Metaphase- Anaphase- Telophase- Stages of the Cell Cycle- Stages of Mitosis- Oogenesis- Spermatogenesis. Gene- Chromosome- Deoxyribonucleic acid- DNA replication- […]

Give brief explanations: 1. Briefly explain the reason why ions such as Na+, K+, and Ca2+ diffuse across plasma membranes more rapidly than would be expected across a lipid membrane. Why glucose does not cross the cell membrane through open channels? 2. Why do steroid hormones not require signal transduction […]