Which backyard would you predict to have the greatest diversity of birds?
A) one with newly planted seedlings
B) one with 5- to 10-year-old trees
C) one with 25- to 50-year-old trees
D) one with 60- to 100-year-old trees
D
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Many metabolic pathways are ultimately concerned with ATP; either with the generation of ATP, or with the requirement of ATP for that pathway to function. Why is ATP so important to metabolism?
A. Hydrolysis of ATP is used to drive exergonic reactions B. Hydrolysis of the bond between adenine and ribose in ATP is commonly used to release energy that can be used to drive other cellular reactions C. The phosphate groups of ATP are held together by unstable bonds that can be broken to release energy D. ATP is a protein that serves as the energy currency of cells
Which is a benefit of living in a group? a. Cooperative response to an attack
b. Ability to mount a more formidable defense. c. More eyes to watch for predators. d. All of these choices. e. More individuals who can help counterattack a rival group.
Which of the following has the highest assimilation efficiency?
A) lion B) rodent C) caterpillar D) spider
A transplantation patient suffers an organ rejection within hours after the procedure. What type of rejection occurred?
A. Hyperacute B. Acute C. Chronic D. Graft-versus-host disease