Aposematic coloration is also called habituation
____________________ Indicate whether the statement is true or false.
F, warning coloration
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You are attempting to clone your first gene. Up to the point of screening, everything has gone well. The vector has a gene for ampicillin resistance. In addition to the gene DNA, the insert also carries a gene for streptomycin resistance. Based on restriction digest, if properly inserted into the vector, your inserted DNA should be located within the ampicillin gene. Therefore, when screening,
you should look for clones that are A) ampicillin resistant and streptomycin resistant. B) ampicillin sensitive and streptomycin sensitive. C) ampicillin resistant and streptomycin sensitive. D) ampicillin sensitive and streptomycin resistant. E) Not enough information is given to determine the answer.
A compound can rotate about a double bond to interconvert between cis and trans configurations.
a. true b. false
The four defining characteristics of chordates are
A. pharyngeal pouches, a dorsal nerve cord, a notochord, and a postanal tail. B. bilateral symmetry, segmentation, a well-developed coelom, and limbs. C. a dorsal hollow nerve cord, a notochord, bilateral symmetry, and mammary glands. D. a well-developed coelom, pharyngeal pouches, a notochord, and jaws. E. segmentation, a dorsal hollow nerve cord, pharyngeal pouches, and an amniotic egg.
Which of the following is NOT a fatsoluble vitamin?
a. vitamin B b. vitamin K c. vitamin D d. vitamin A