Which of the plant growth regulator(s) is actually a gas?
a. phytochrome
b. ethylene
c. abscisic acid
d. cytokinins
e. auxins
B
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The ____ cells produce pepsinogen in the stomach
a. brush border cells b. chief cells c. choanocytes d. parietal cells e. villi
What makes blood red?
A. globulins B. albumin C. hemoglobin D. fibrinogen E. platelets
Saber teeth found in different groups of extinct carnivorous mammals are considered ________ structures, as the fossil record shows that saber teeth evolved independently among the groups.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements about vesicle budding from the Golgi is false?
(a) Clathrin molecules are important for binding to and selecting cargoes for transport. (b) Adaptins interact with clathrin. (c) Once vesicle budding occurs, clathrin molecules are released from the vesicle. (d) Clathrin molecules act at the cytosolic surface of the Golgi membrane.