What hypothetical hormone promotes flowering but has never been successfully isolated?
a. florigen
b. ubiquitin
c. jasmonic acid
d. brassinosteroids
e. methyl salicylat
A
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Which of the following bacteria produce an
acid that serves to prevent the colonization of the vagina by bacteria and fungi?
a. Escherichia b. Stahplococcus c. Lactobacillus d. Clostridium e. Corynebacterium
Genetic programmed cell death ____
a. occurs during zygote formation b. occurs during cleavage c. is known neurulation d. is important in morphogenesis e. is important in gastrulation
Discuss how the advent of recombinant DNA technology improved upon historical genetics research methods and
revolutionized genetic mapping techniques. What will be an ideal response?
The type of fish represented by the most living species on earth today are the
A. bony fishes. B. coelacanths. C. sharks. D. rays and skates.