The tobacco mosaic virus has a ____ shape, whereas the T4 bacteriophage has a head-and-tail shape
Fill in the blank with the appropriate word.
helical
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Acetylcholine, a neurotransmitter, binds to ____
a. receptor tyrosine kinases b. ligand-gated ion channels c. adenylyl cyclase d. MAPK e. G-coupled protein receptors
. The substance that typically provides rigidity to fungal cell walls, and is found in some animals, is
____.
a. lignin b. cellulose c. starch d. collagen e. chitin
Thermoduric mesophiles are often responsible for spoilage of improperly canned foods.
Answer the following statement true (T) or false (F)
Which of the following is mismatched?
A. somatic motor nerves-smooth muscle, cardiac muscle, glands B. sensory nerves-afferent C. motor nerves-efferent D. visceral sensory nerves-body organs E. somatic sensory nerves-skin, muscles, joints, special senses