Melanocytes are located in the ____
a. epidermis
b. dermis
c. hypodermis
d. subcutaneous layer
e. loose connective tissue layer
ANSWER: a
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Natural killer cells like Tc cells use ________ and granzymes to kill their targets without prior exposure or contact with the foreign cells
A) coagulants B) M protein C) perforin D) interferon gamma
Integrase
A. is required for prophage formation. B. cuts viral genomes. C. is required for genome entry into the bacteria. D. is required for provirus formation. E. cuts the viral genome and is required for both prophage and provirus formation
The fungus Penicillium produces a compound that blocks peptidoglycan assembly. Why is a fungus trying to kill bacteria?
A. Fungi eat bacteria. B. Fungi and bacteria are both decomposers and compete for resources. C. The compound produced by the fungus is used for nitrogen fixation, the antibacterial properties are accidental. D. The fungal compound is produced in response to a bacterial invasion of the fungal hyphae. 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 fungi? 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?
Substrate level phosphorylation ____
a. involves the direct transfer of a phosphate group from a substrate b. requires the presence of oxygen c. requires the presence of NADH d. produces most of the ATPs during aerobic respiration e. is not part of fermentation pathways