You are swimming in a pool and feel the waves of water moving against your body. Which receptor is used to detect the pressure associated with the waves against your body?
A. photoreceptor
B. thermoreceptor
C. mechanoreceptor
D. pain receptor
E. chemoreceptor
C. mechanoreceptor
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In the Calvin cycle, the enzyme that catalyzes the capture of carbon dioxide and the formation of 3-phosphoglycerate is
A) phosphoglycerokinase. B) ribulose-1,5-bisphosphate carboxylase/oxygenase (rubisco). C) triose phosphate isomerase. D) ferredoxin-NADP+ reductase. E) glyceraldehyde-3-phosphate dehydrogenase.
The size of the motor area in the brain for any specific body part is relative to:
a. the rest of the body. b. its position in the body. c. the complexity of its movements. d. the number of muscles it contains. e. the area of the brain that controls it.
What are specialized cells (egg cells and sperm cells, for example) used for sexual reproduction?
What will be an ideal response?
The word anabolism refers to constructive, build-up, or synthesis reactions while the word catabolism refers to destructive, breakdown, or digestive reactions. What does it mean to say that in a cell, catabolism fuels anabolism?
a) Digesting food gives predators the ability to hunt more food. b) Cellular respiration (catabolism) forms the ATP that is used to power anabolic reactions. c) Photosynthesis produces fuel molecules that power cellular respiration. d) All molecules made in a cell must be broken down first before they can be remade. e) Plants don't need to perform catabolic reactions since they make ATP directly from sunlight.