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Which of the following requires the action of a first class lever in the body

When lifting heavy loads off the ground, the majority of the weight should be lifted by which of the following? a. arms b. legs c. back d. stomach

If a viral host cell has a mutation that interferes with the addition of carbohydrates to proteins in the golgi, which of the following could likely result? a) the viral envelope proteins would not be glycosylated and might not arrive at the host plasma membrane.b) the viral capsid proteins would not be glycosylated and might not arrive at the host plasma membrane.c) the viral core proteins would not be glycosylated and might not arrive at the host plasma membrane.d) the virus would be unable to reproduce within the host cell