Oaks, birches and corn produce both staminate and pistillate flowers on the same plant. What term describes this type of plant?
A. Monoecious
B. Dioecious
C. Hermaphroditic
D. Determinant
E. Complete
Answer: A
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Ciprofloxacin is a widely used antibiotic. This molecule is used to target:
A. topoisomerases in cancer cells. B. topoisomerases in fungal cells. C. topoisomerases in bacterial cells. D. structural maintenance proteins (SMC) in bacterial cells. E. structural maintenance proteins (SMC) in eukaryotic cells.
What gene must be expressed in a Drosophila for it to develop into a female fly?
A. SRY B. Hox C. SXL D. sex-1
Red tide and extensive fish kills are caused by population blooms of
a. euglenoids. b. dinoflagellates. c. diatoms. d. ciliates. e. brown algae.
You shake up a bottle of vinegar and oil dressing to mix it each time you use it. The reason you need to do this is that:
A) fat molecules are too large to dissolve in water. B) vinegar has an acidic pH and is neutralized when mixed with oil. C) oil is hydrophobic and won't dissolve in vinegar, so the oil and vinegar separate upon standing. D) vinegar and oil are oppositely charged, and opposites attract.