Mendel studies seven different traits in the garden pea. What genetic term is used to describe an observable trait, such as those studied by Mendel?
A) genotype
B) appearance
C) phenotype
D) haplotype
E) category
Answer: C
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Oligomycin is an antibiotic that binds ATP synthase, blocking the flow of protons through the enzyme's proton channel. In addition to preventing synthesis of ATP, what additional effect might you expect in response to the presence of oligomycin?
A. higher pH in the intermembrane space B. lower pH in the intermembrane space C. a buildup of protons in the mitochondrial matrix
All EXCEPT which of these features of Giardia
lamblia is correct? a. parabasalid b. lack mitochondria c. common intestinal parasite of mammals d. anaerobic e. forms cysts that survive in water contaminated with feces
When electrons move closer to a more electronegative atom, what happens? The more electronegative atom is _____
A) reduced, and energy is released B) reduced, and energy is consumed C) oxidized, and energy is consumed D) oxidized, and energy is released
Why are Gram-negative bacteria more resistant than Gram-positive bacteria to damage by certain chemical agents like lysozyme?
A) Gram-negative bacteria contain peptidoglycan in their cell wall. B) Gram-negative bacteria have a thicker layer of peptidoglycan in their cell wall. C) Gram-negative bacteria lack a cell wall. D) Gram-negative bacteria have an outer membrane as part of their cell wall. E) Gram-negative bacteria have porins.