True or False: passive transport of a molecule across a lipid bilayer only occurs in the presence of a significant concentration difference of that molecule from one side of the bilayer to the other

A. true
B. false


Answer Key: B

Biology & Microbiology

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"Fact recall" is termed

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In a population of cattle, the following color distribution was noted: 36% red (RR), 48% roan (Rr), and 16% white (rr). This population is in a Hardy-Weinberg equilibrium. What will be the distribution of genotypes in the next generation if the

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Which of these are NOT artefact of the PCR process?

a. Allele drop-in b. Stutter c. Pull up d. Locus imbalance e. Electropherogram spike f. Null allele

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