Drones in a beehive are able to do which activity?
a. search for food
b. defend the hive
c. reproduce
d. clean and care for the developing larvae
e. build the honeycomb
Answer: c
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________ is a predator that bores a hole through the outer membrane of its gram-negative bacterial prey and then reproduces in the periplasm.
A. Vampirococcus B. Daptobacter C. Syntrophobacter D. Bdellovibrio
Human are only one species of many different primates that prefer to walk upright on two legs
Indicate whether the statement is true or false
A genetic counselor could help people having a concern about
A. smallpox. B. measles. C. sickle-cell anemia. D. the common cold.
The presently accepted model of enzyme action was proposed by Daniel Koshland in the 1960s and suggested that the enzyme was a flexible structure with an active site roughly complementary to the substrate that binds it. After its initial interaction with the substrate, the enzyme alters its shape and thus improves the fit of the substrate in the active site. What is the name of this model?
a) the flexible sponge model b) the lock and key model c) the koshland model d) the induced fit model e) the flexible fit model