During an infection, lymph nodes swell because ________ cells accumulate inside them
a. natural killer (NK) cells
b. B
c. T
d. mast
c
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Oxidoreductase apoenzymes utilize a coenzyme to function. The NAD+ and FAD coenzymes
A. are reduced when they add electrons to the substrate. B. are reduced when they remove electrons from the substrate. C. are oxidized when they remove electrons from the substrate. D. carry only electrons between molecules.
When a seed germinates, the embryo emerges from its dormancy and begins which phase of the plant life cycle?
A. sporophyte generation B. gametophyte generation C. dicot generation D. monocot generation E. alternate generation
The antibiotic streptomycin inhibits protein synthesis in bacteria. If this antibiotic is added to a culture of animal cells, protein synthesis in the cytosol continues normally
However, over time, the population of mitochondria in the cell becomes depleted. Specifically, it is observed that the protein-synthesis machinery inside the mitochondria is inhibited. A. Explain this observation based on what you know about the origins of the modern eukaryote. B. What do you expect to observe if, in a new experiment, animal cells are treated with diphtheria toxin, a compound that is known to block cytosolic protein synthesis but does not have any impact on bacterial growth?
What would be strong evidence to suggest a protist is phagotrophic?
A. An abundance of lysosomes B. Locomotion using polar flagella C. Silicon dioxide cell walls D. Benthic lifestyle E. Presence of chloroplasts Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about the nutritional strategies of protists? How does it relate to the question? · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?