An "internal reservoir" of oxygen in rested muscle is found in oxygen molecules bound to _____
A) hemoglobin
B) bicarbonate ions
C) carbonic acid
D) actin and myosin
E) myoglobin
Answer: E
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Which of the following sequences represents the hierarchy of biological organization from the most complex to the least complex level?
a. organelle, tissue, biosphere, ecosystem, population b. organ, organism, tissue, organelle, molecule c. organism, community, biosphere, molecule, tissue, organ d. biosphere, ecosystem, community, population, organism
Restriction fragment length polymorphisms (RFLPs) are used to ____
a. test the effectiveness of different restriction enzymes on a sequence of DNA b. compare the DNA sequences between individuals by looking for changes in restriction enzyme digest patterns c. compare the full DNA sequences of two individuals d. prepare DNA for further sequence analysis e. treat sickle-cell anemia
Describe the dermal tissue system
What will be an ideal response?
Male peacocks have tail feathers that make up about 60% of their body length. During the mating season they contract muscles to shake these feathers in front of females; females evaluate the feather rustling as part of selecting their mate
The __________ is the mechanistic cause of this behavior; the ___________ is the adaptive function of this behavior. A. mate choice; ability to shake the tail B. ability to shake the tail; mate choice C. female evaluation of the behavior; ability to shake the tail D. ability to shake the tail; female evaluation of the behavior