Which of the following birds has a beak adapted for straining vegetation from water?
A. Robin
B. Duck
C. Vulture
D. Kingfisher
E. Eagle
Answer: B
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A __________ is an area where all precipitation drains into a specific waterway. Fill in the blank(s) with the appropriate word(s)
Which sequence reflects the locations that a secretory protein will visit on its way from its production to its secretion outside the cell?
A) rough ER, secretory vesicle, Golgi complex, ER vesicle B) rough ER, Golgi complex, smooth ER, ER vesicle C) nucleus, Golgi complex, rough or smooth ER, secretory vesicle D) smooth ER, rough ER, Golgi complex, secretory vesicle E) rough ER, ER vesicle, Golgi complex, secretory vesicle
Answer the following questions true (T) or false (F)
1. It generally takes the enzymes from dozens of sperm for one sperm to gain access to the oocyte membrane. 2. Sperm cells do not need a nucleus and expel it during development as a weight-saving tactic. 3. Human embryos do not go through a morula stage of development as do most other animals.
Which of the following is not considered an accessory organ of the digestive system?
A. gallbladder B. small intestine C. pancreas D. salivary glands E. liver