Optimal health of tissues is achieved when high-density lipoproteins (HDLs) and low-density lipoproteins (LDLs) are present in equal amounts within the bloodstream
Indicate whether the statement is true or false
FALSE
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The function of the ossicles is to
A. detect acceleration of the head. B. amplify sound waves and transmit them to the inner ear. C. determine static head position. D. support the tympanic membrane and protect hair cells of the inner ear. E. initiate action potentials that propagate to the inner ear.
Which of the following represents the correct order of components in an involuntary spinal reflex arc?
A. Sensory neuron, interneuron, sensory receptor, motor neuron, effector B. Sensory receptor, motor neuron, interneuron, sensory neuron, effector C. Interneuron, sensory receptor, sensory neuron, effector, motor neuron D. Effector, sensory neuron, motor neuron, interneuron, sensory receptor E. Sensory receptor, sensory neuron, interneuron, motor neuron, effector
Place the following steps of endomembrane system function in the correct order
1. Golgi apparatus receives transport vesicles from the RER. 2. Ribosomes on the RER synthesize proteins. 3. Proteins are packaged into transport vesicles. 4. Modified proteins may be secreted from the cell by exocytosis. 5. Proteins are modified by the Golgi apparatus. A) 3, 2, 1, 4, 5 B) 2, 3, 1, 5, 4 C) 1, 2, 3, 5, 4 D) 2, 4, 3, 1, 5
Excessive growth hormone prior to puberty could result in
A) osteoporosis. B) osteopenia. C) rickets. D) gigantism. E) dwarfism.