Which smaller group of cells that crawl slowly along blood vessels, and that also  migrate into tissues in response to infection can differentiate into specific tissue macrophages ?

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#Question id: 12929

#Unit 13. Methods in Biology

Temperature at which the kinetic energy of the molecules lowers to reduce the chances of base paired sticky ends parting before they have been stabilized.

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#Question id: 540

#Unit 1. Molecules and their Interaction Relevant to Biology

During strenuous exercise, the NADH formed in the glyceraldehyde 3-phosphate dehydrogenase reaction in skeletal muscle must be reoxidized to NAD+ if glycolysis is to continue.  The most important reaction involved in the reoxidation of NADH is:

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#Question id: 29077

#Unit 10. Ecological Principles

The relationship between acacia plants and the ants that live within their thorns is

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#Question id: 10986

#Unit 7. System Physiology – Animal

Which of the following conditions at the A-V node will cause a decrease in heart rate?

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#Question id: 32300

#Unit 1. Molecules and their Interaction Relevant to Biology

Identify the structure shown