The ________ is the space behind the nose and the mouth, which most people call the throat
Fill in the blank(s) with correct word
pharynx
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Mitochondrial disorders can be caused by mutations in all the following except:
A. mitochondrial DNA B. nuclear DNA C. cytoplasmic DNA
Plant cells grow primarily by increasing ____
a. cell number through cell division b. cell size through cell differentiation c. pressure and volume of the central vacuole d. the amount of extracellular matrix e. the concentration of lignin
The figure below represents a joint in the hind leg of a grasshopper. The exoskeleton of the leg is indicated by the two pairs of parallel black lines. A muscle that moves this leg is fixed to the skeleton at the end marked with a blue star. When the muscle contracts, it will pull on the tendon at its opposite end. Which configuration shows the most likely arrangement of the exoskeleton and a muscle that increases the flexion of this leg?
A. A B. B C. C D. D
The tropical rainforest trees form shallow roots concentrated near the surface in a mat few centimeters thick. These
swollen bases or braces are called:a. prop roots. b. pneumatophores. c. aerial roots. d. buttress roots. e. velamen roots.