Ribosomes are made up of protein and ________
Fill in the blank(s) with correct word
RNA
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On a hike through the forest, you notice a population of 100 flowering plants that all look identical (phenotypic clones), and they span an area of approximately 100 square meters
You take some representatives from one corner of their distribution back to the lab, sequence their DNA, and conclude that they are also genetic clones. t or f: This population can evolve. t or f: This population can only evolve through genetic drift. t or f: This population can only evolve through natural selection. What will be an ideal response?
In skeletal muscle contraction, which of the following acts to allow the crossbridge cycle to occur
when it flows into the cytosol through open ion channels?
a. troponin b. Ca2+ c. tropomyosin d. ATP e. acetylcholine
If a person is choking, the __________ maneuver can be used to expel food from their trachea.
Fill in the blank(s) with the appropriate word(s).
Each of the following will enhance and promote phagocytosis, except
A. deposition of complement fragments on bacterial cells. B. tumor necrosis factor (TNF) and other cytokines. C. deposition of interferon on bacterial cells. D. interaction of TLRs and PAMPs.