Flowers that develop in Arabidopsis originate from concentric rings of cells. What class of gene(s) is responsible for the development of sepals?
A) B and C genes B) A genes C) A and B genes D) C genes
Answer: B
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In this study, which is the experimental group?
a. the honeybees that were anesthetized b. the honeybees that were not anesthetized
keratinase
Fill in the blank(s) with the appropriate word(s).
The enzyme ____________________ converts prothrombin to thrombin. Fill in the blank(s) with the appropriate word(s)
Osmometer cells in the brain sense an increase in the salt concentration of plasma. This information is sent to the hypothalamus, which notifies the pituitary gland to release the hormone, ADH. ADH causes the kidney to save water, which lowers the salt concentration of the plasma. What characteristic of life does this overall pathway represent?
A. Homeostasis B. Cellular organization C. Energy utilization D. Evolutionary adaptation E. Sensitivity