Which type of plant hormone governs senescence in plants, such as the loss of leaves in autumn by
some plants?
a. cytokinins
b. abscisic acid
c. gibberellins
d. brassinosteroids
e. ethylene
E
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You perform a cell free translation experiment like Nirenberg and Matthaei. You start with 60% C and 40%
A. What relative amount of radiolabeled proline do you expect in the translated polypeptides? A. 36% B. 22% C. 14% D. 28%
If you were analyzing tree rings, how might you distinguish between fires that occurred in the spring versus fires that occurred in the summer (assuming the fires left fire scars)?
What will be an ideal response?Four of the five answers listed below are parts of the inner ear. Select the exception
a. eardrum b. oval window c. scala tympani d. basilar membrane e. cochlea
Which of the following statements is CORRECT?
a. A hypothesis that does not generate a testable prediction is not useful. b. Common sense is usually a good substitute for the scientific method when trying to understand the world. c. It is not necessary to make observations as part of the scientific method. d. The scientific method can be used only to understand scientific phenomena. e. All of the above are correct.