Q1. In a type of plant, there are two alleles for flower colour that show incomplete dominance. CRCR plants have red flowers, CRCW plants have pink flowers, and CWCW plants have white flowers. In a population you count 30 red plants, 50 pink plants, and 20 white plants. What are […]

1. Which of the following statements is consitent with protein catabolism in the fasted state? High levels of arginine will inhibit urea synthesis The conversion of alpha-ketogluterate to glutamate will be favored in the liver Glutaminase will be very active in the liver to free NH4 that will be used […]

1. Patients with chronic bronchitis have excessive mucus production and general inflammation of the entire respiratory tract. The mucus narrows the airways and makes breathing difficult. Explain what does narrowing of the airways do to resistance of the airways to air flow? 2. Why do people with chronic bronchitis have […]

1. Much pharmaceutical research targets developing anti-cancer drugs that can effectively stimulate the methylation of DNA. Formulate a possible hypothesis to explain why DNA methylation might be an effective anticancer drug. 2. Both the human and the thale cress (a small plant) genomes contain about 25,000 genes. However, human beings […]