Nocodazole reversibly inhibits microtubule polymerization, which is essential for formation of the mitotic spindle. By treating a population of mammalian cells with nocodazole for a time and then washing it out of the medium, it is possible to synchronize the cell population so that they are all in the same […]

Choose if the mutation is dominant or recessive. A heterozygous F(1) hermaphrodite offspring from the successful mating between a sma-2 homozygous hermaphrodite and a wild-type (+) homozygous male (cross in Question 3) is placed on a new plate.  Provide the phenotypic and genotypic ratios, showing all work, for an F(2) […]

Q1. A 27 year old man, who works outdoors, notices the growth on the skin that includes a darkly pigmented spot surrounded by a halo of inflamed skin. This man has a very fair complexion, with numerous freckles and blond hair. Due to his job and recreational interests he spends […]

The electron transport chain, or respiratory chain, is linked to proton movement and ATP synthesis. Select the statements that accurately describe the electron transport chain. Choose ALL that apply (more than one correct answer): A) Electron transfer in the ETC is coupled to proton transfer from the matrix to the […]