If you remove the peptidoglycan layer from a Gram-positive cell, it would still stain purple with a Gram stain.
Answer the following statement true (T) or false (F)
False
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Animals such as rabbits eat their own feces
a. False, this behavior is only seen in ruminants. b. True, this behavior is seen in many ruminants such as rabbits. c. False, however, this behavior can be observed in any malnourished animal. d. True, they can recapture some essential nutrients from their feces.
The human knee-jerk reflex requires an intact _____
A) spinal cord B) corpus callosum C) cerebellum D) medulla
The most abundant protein in mammals is collagen. This strong, ropelike molecule is particularly abundant in which tissue?
A. heart muscle B. spinal cord C. ligaments D. skeletal muscle
The effects of the activation of protein kinase do not include:a
alteration of membrane permeability. b. activation of adenylyl cyclase. c. activation of gene expression. d. phosphorylation of the target protein. e. alteration of cellular metabolism.