The use of plants to clean up environmental
contaminants is called
a. photosynthesis.
b. phototropism.
c. bioremediation.
d. phytoremediation.
e. none of these
D
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Receptors on every T cell detect foreign antigens on cells of the body by their association with the ________ on the surface of the infected cells of the body.
A) CD8 B) antibodies C) membrane attack complex D) CD4 E) major histocompatibility (MHC) molecule
Sulfonamides & trimethoprim act through which of the following mechanisms?
A. Inhibition of Protein Synthesis B. Inhibition of nucleotide synthesis C. Inhibition of DNA synthesis D. Disruption of Cell Wall E. Inhibition of mRNA synthesis
Why did the researchers perform sequencing at multiple time points on some patients?
A. Sequences taken at multiple time points enabled scientists to assess whether the patient's immune system was successfully combatting the virus B. Sequences taken at multiple time points were mistaken made by the researchers where samples were taken independently by two different researchers C. Sequences taken at multiple time points enabled scientists to assess how the virus was evolving within a patient over time. D. Sequences taken at multiple time points were experimental controls (technical replicates designed to verify the accuracy of the sequencing procedure
Which statement is not true about the pentose phosphate pathway?
A) It allows cellular respiration to occur without the need for oxygen. B) It can be used in part by photosynthetic cells to build glucose from carbon dioxide. C) It produces the coenzyme NADPH needed for anabolic pathways. D) It diverts glucose-6-phosphate from glycolysis to synthesize 5-carbon sugars needed for nucleotides. E) It converts 5-carbon sugars into 3- and 6-carbon for use in glycolysis.