A stamen consists of _____.
a) ovary and sepal
b) stigma and style
c) stigma and anther
d) anther and filament
e) stigma and filament
Ans: d) anther and filament
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Which of the following imaging techniques detects differences in blood flow to particular regions through detection of differences in the relative proportions of oxygenated and deoxygenated hemoglobin?
A. X-ray B. CT scan C. MRI scan D. fMRI scan E. sonogram
Contact inhibition is an important mechanism for maintaining cell growth in developed organs and tissues. As long as
the cells maintain contact with each other, they remain in ____ and are prevented from dividing.
a. prophase b. G1
c. G2 d. G0 e. S
The ultimate source of all energy in a terrestrial ecosystem is ____
a. the organic matter in all the organisms of the ecosystem b. electrons from water molecules c. sunlight d. ATP e. inorganic mineral ions in the soil
Compare and contrast the lytic and lysogenic cycles. Explain why a virus that follows the lytic cycle is often considered easier to manage.
What will be an ideal response?