Ste5 binds to MAPKKK, MAPKK, and MAPK to organize the kinase cascade. What type of signaling molecule is Ste5?

A. Scaffold
B. Adapter protein
C. Second messenger
D. Enzyme


A. Scaffold

Biology & Microbiology

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What percentage of carbon's orbitals are spherical in conformation?

A. 0% B. 20% C. 40% D. 80% E. 100%

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The depth distribution of algae is limited by:

a. temperature. b. pressure. c. pH. d. light quality. e. salinity.

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The Dust Bowl of the 1930s was the result of

destruction of a. deserts. b. chaparrals. c. tallgrass prairies. d. shortgrass prairies. e. temperate deciduous forests

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Which of the following structure contains the cells genetic material ?

a. cytoplasm b. nucleus c. mitochondria

Biology & Microbiology