You have a cell suspension containing 4 * 10^5 cells/ml and want to seed these cells on microcarriers at a density of 1* 10^4 cells/cm^2. The average diameter of the microcarriers is 157.5um (the diameter range supplied by the vendor is 115-200um).What is the average surface area of the microcarriers?What […]

Gram Stain 1. Why are direct gram stains ordered on clinical specimens? 2. Why is a direct gram stain performed on all anaerobic cultures, even if it is not specifically ordered by the physician? 3. Why is a gram stain performed on all CSFs? 4. List (By gram stain morphology) […]

Question: For the fish model organism Medaka (Aplocheilus latipes), genes at 2 loci (B, b and R, r) determine color of the fish. Fish that have the dominant allele at both loci (B_ R_) are brown, fish with a dominant allele at the B locus (B_) are blue, fish with a […]

By some estimates there are only a couple of thousand great white sharks alive in the wild. Assume that in the frequency of LDH alleles in a sample of 200 adult sharks in a population off of Australia is the following: AA 0.40 AB 0.10 AC 0.05 AD 0.05 BC […]