When scientists work with small areas of DNA, this process allows them to isolate specific stretches of DNA for other applications.
A. transformation
B. electrophoresis
C. DNA fingerprinting
D. restriction enzyme analysis
B. electrophoresis
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The Calvin cycle includes 15 enzymes, most of which are involved in __________
A. RuBP carboxylation B. RuBP regeneration C. reduction D. starch synthesis E. ATP synthesis
Which one of the following organisms has coenocytic organization?
A. humans B. amphibians C. plants D. green algae (Codium and Caulerpa)
Memory cells are ________ that function in _______
a. macrophages; removing the debris of an infection b. T cells; remembering self-antigen, thus protecting the body's cells c. T cells; determining which B cells will get activated during a second exposure to an antigen d. B cells; retaining the ability to make an antibody used to fight a previous infection e. B cells; remembering where to direct macrophages to fight a local infection
Which of the following best describes a positive feedback response?
A. Change in the body is the result of an internal stimulus B. Response of the body favors the change caused by a stimulus C. It is when a very negative person won't stop complaining to you D. Response of the body opposes the change caused by a stimulus E. It is when the body anticipates a change is coming and tries to prepare for it in advance