A bee feeding from a flower is an example of what?
a. symbiosis
b. predation
c. herbivory
d. parasitism
a. symbiosis
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The ________ are drugs that deposit in developing teeth and cause a permanent brown discoloration.
A. tetracyclines B. penicillins C. streptomycins D. cephalosporins E. macrolides
I tried to sequence a DNA fragment and ended up with the trace pattern shown in the figure above
What is the most likely cause of this result?
a. I forgot to add the ddCTPs to the sequencing reaction. b. I forgot to add the normal dCTPs to the sequencing reaction. c. I forgot to add DNA polymerase to the sequencing reaction mix. d. The fluorescent tags for the ddGTPs are degraded. e. The polyacrylamide gel didn't polymerize properly and is altering the migration patterns of the DNA fragments.
Which of the following hormones stimulates the release of a future egg cell by the ovaries?
A) luteinizing B) follicle-stimulating C) oxytocin D) prolactin
What does evolutionary fitness measure?
A) physical health B) longevity C) relative reproductive success D) population size