You are performing a karyotype for the first time and you forget to add the colchicine. How do you predict this will affect your karyotype?
A. No affect - your karyotype will look normal.
B. You will be unable to see any chromosomes under the microscope.
C. You will only be able to see one of each chromosome.
D. The chromosomes in some cells will look normal (highly compacted) but in other cells distinct chromosomes will be hard to identify
D
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The concept of a species was proposed by
A. Charles Darwin. B. John Ray. C. Carolus Linneaus. D. Erasmus Darwin. E. George Cuvier.
Which of the following is not a common mechanism by which antifungal agents work?
A) by binding with cell membrane sterols B) by blocking nucleic acid synthesis C) by dissolving hyphae D) by interfering with sterol synthesis
Production of asexual spores in ascomycetes often occurs on ____
a. basidia b. conidiophores c. sporangia d. asci e. zygospores
Why should pregnant women and small children avoid certain fish?
A. PCB contamination B. lead contamination C. mercury contamination D. pesticide contamination E. herbicide contamination