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What is the correct order of events of excitation-contraction coupling?    I: action potential travels down into T tubules    II: the action potential travels along sarcolemma away from the neuromuscular junction    III: the action potential opens voltage-gated channels in the sarcoplasmic reticulum    IV: calcium is released into the cell around the myofilaments

Which of the following is FALSE concerning unfused tetanus?

Which of the following are functions of skeletal muscles?     I: producing movement to move the head and limbs     II: pumping blood throughout the body    III: moving food through the digestive tract    IV: maintaining posture and body position    V: generating heat

Identify the correct order of muscle units in order starting from the smallest to largest:

The morphology of the microbes identifies them as ____________.  

The life cycle of an organism is pictured above. The haploid stages are [b]. Meiosis would occur at [a]. This life cycle is an example of a life cycle that shows [c].

The best incubation time for Crystal violet on a bacterial smear is ____________. 

When creating a phylogenetic tree that illustrates the relationship between a set of taxa, many different trees could be constructed. The tree that best illustrates the relationship between the taxa would _____.

What does scientific evidence indicate about human evolution?

HIV is a reverse-transcribing single-stranded RNA virus. What process does it have to carry out in order to copy itself that a prokaryotic or eukaryotic cell does NOT need to carry out?