Which is (are) true concerning the cell wall of prokaryotes?
A. It determines the shape of the bacteria.
B. It prevents the bacteria from bursting.
C. It contains peptidoglycan.
D. It may be targeted by antimicrobials.
E. All of the choices are true.
E
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The human has __________ sets of autosomal chromosomes. Fill in the blank(s) with the appropriate word(s)
By which one of the following methods is a stronger stimulus coded by neurons differently from a weaker stimulus?
A) A stronger stimulus results in greater depolarization. B) A stronger stimulus results in more action potentials/unit time. C) A stronger stimulus results in faster traveling action potentials. D) A stronger stimulus results in hyperpolarization of the neuron. E) A stronger stimulus results in prolonged influx of Na+ ions and a delay before repolarization.
If, in a heterozygous individual, only one allele is expressed in the phenotype, that allele is
A) normal. B) haploid. C) recessive. D) potent. E) dominant.
Which "vegetables" are technically fruits? (Check all that apply.)A) LettuceB) Green onionC) TomatoD) SpinachE) PeapodF) Carrot
What will be an ideal response?