Kineococcus radiotolerans is an example of which of the following?
A. an extremophile
B. a barophile
C. a mesophile
D. a psychrophile
Answer: A. an extremophile
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In signal transduction, phosphatases _____
A) move the phosphate group of the transduction pathway to the next molecule of a series B) prevent a protein kinase from being reused when there is another extracellular signal C) amplify the transduction signal so it affects multiple transducers D) amplify the second messengers such as cAMP E) inactivate protein kinases and turn off the signal transduction
Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
What will be an ideal response?
The two factors that contribute to water uptake by the plant are ________ and ________
a. transpiration / photosynthesis b. positive pressure / tension c. active transport / transpiration d. respiration / translocation
Which of the following processes is under
voluntary control? a. filtration b. reabsorption c. urination d. secretion e. excretion