1. How is cell membrane fluidity maintained at low temperatures? 2. What must happen to the cell parts, especially the nucleus of amoeba Proteus in order for it to successfully reproduce to form two new amoebas? 3. What are the reactants and the products of cellular respiration 4. What are […]

A case-control study was done in order to estimate the interrelationships between different risk factors for the myocardial infarction (heart disease). Information on smoking status was gathered from a total of 791 cases and controls. Present cigarette smoking, explained as smoking within the past three months, was reported by 158 […]

1. A chromosome contains alleles forblue eyes and blond hair. After meiosis the same chromosomecontains alleles for blue eyes and brown hair. The chromosome is NOW said to be A. homologous.B. recombinant.C. aneuploidD. polymorphicE. autosomal 2. During a dihybrid cross involvingtwo linked genes, 18 percent of the resulting gametes showed […]

For fusion of a vesicle with it’s target membrane to occur. The membranes have to be brought to within 1.5 nm so the two bilayers can join. Assuming that the relevant portion of the two membranes at the fusion site are circular regions 1.5 nm in diameter, calculate the number […]