Global climate change could be magnified by _________.
A. growing plants
B. limits on burning fossil fuels
C. extreme weather patterns
D. deforestation
D. deforestation
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The secretion of cytokines is a function of:
A. helper T cells. B. plasma cells. C. cytotoxic T cells. D. T killer cells.
A bowl of sugar water is very stable. In a cell, however, it is rapidly broken down into carbon dioxide and water, releasing stored energy. What is the best explanation for this observation?
A. Enzymes in the cell catalyze the breakdown of the glucose. B. Cells use energy to break down the glucose. C. Glucose is only broken down while dissolving into a watery solution, such as inside the cell. D. Glucose cannot be broken down outside of a cell. E. Glucose becomes more chemically reactive inside of a cell.
The target cells of glucagon are
a. the liver cells. b. the skeletal muscle cells. c. the fat cells. d. all of these cells. e. none of these cells
One goal of pedigree analysis is to determine ____
a. what diseases a family will display b. if two people are related c. gene loci d. whether a gene has a dominant or recessive pattern of inheritance e. what treatment a person should undergo