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
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A biome characterized by warm, fairly dry climate that primarily contains grasses with scattered, isolated trees is a ________.
A. chaparral B. tundra C. temperate grasslands D. savanna
"Fact recall" is termed
a. intuitive memory. b. declarative memory. c. deductive memory. d. inductive memory. e. skill memory.
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
Hardy-Weinberg assumptions are met? A) 30% red; 60% roan; 10% white B) 40% red; 40% roan; 20% white C) 30% red; 50% roan; 20% white D) 36% red; 48% roan; 16% white
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