While on safari in Serengeti National Park, Tanzania, your friend ventures away from camp and is bitten by a boomslang snake. The venom will cause hemorrhaging and death within hours. Fortunately, you are prepared and administer artificially acquired passive immunity. With what did you inject your friend?
A) antigen
B) snake venom
C) penicillin
D) antibodies
Ans: D) antibodies
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It’s your turn to clean out the refrigerator in the lab break room again, which is definitely your favorite way to spend a Friday afternoon. While you are contemplating moldy peaches, and your own disappointment at the lack of a limerick, you glance at the pantry door, from which has appeared a stream of ants carrying bits of cereal and crackers. You follow the ants out the door, down the hall, to a supply closet, where you find they’ve established a colony in a case of printer paper. If these were just any ants, you’d put in a ticket for an exterminator and go home, but alas!; they’re endangered Cube Farm Ants, which means the pantry and supply closet are now wildlife preserves. The thought of all the paperwork you’re going to have to fill out almost ruins your entire
weekend, until you realize you are standing in the middle of a fantastic pun – what is it? a. biodiversity hotspot b. closet species c. wildlife corridor d. ecological niche
Which kingdom includes only multicellular heterotrophs?
a. protists b. archaebacteria c. plant d. animal
Most conifers have only tracheids. Which structural feature allows water and minerals to pass from one tracheid to the next?
A) Stomata B) Pits C) Secondary cell walls D) Plasmodesmata E) Sieve plates
A weak acid may function as a
A) transfer group. B) buffer. C) hydroxyl donor. D) cation. E) salt.