Virions attach to a target host cell by means of (capsules/fimbriae/ligands).
Fill in the blank(s) with the appropriate word(s).
ligands
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Carbon atoms are the most versatile building blocks of the molecules used by living organisms because _____.
Fill in the blank(s) with correct word
If scorpion respiration rates were being estimated by measuring O2 uptake rather than CO2 production, the graph of O2 uptake versus time would
a. be similar to the graph of CO2 production versus time. b. be the exact inverse of the graph of CO2 production versus time. c. have a shape completely unrelated to the shape of the CO2 graph.
Which of the following are abiotic components?
A. trees, birds, insects, rainfall, and sunlight B. trees, birds, and insects only C. birds and insects only D. trees only E. rainfall and sunlight only
A tRNA molecule brings ________ to the ribosome during protein synthesis
A) a polypeptide B) mRNA C) RNA polymerase D) an amino acid