Which statement is TRUE?
a. Environment can readily alter some genotypes.
b. Genotype is manifested in phenotype.
c. Unlike phenotypic variation, genetic variation is easily observable.
d. Variation dies with individuals.
e. Phenotype is seen physically in the genotype.
ANSWER: b
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Immunoglobulins inactivate microbes in all of the following ways except via
A. perforating the microbial cell membrane. B. binding toxins. C. linking microbes to complement proteins. D. opsonization. E. perforating membranes or binding toxins.
A scientific ________ must be so thoroughly confirmed that virtually no doubt remains about its accuracy.
Fill in the blank(s) with the appropriate word(s).
In ligase-deficient strains of E. coli, DNA and chromosomal replication are unaltered because ligase is not involved in DNA replication
Indicate whether the statement is true or false
Which molecule is the product of transcription?
A) proteins B) DNA C) RNA D) amino acids E) nucleotides