Aging has what effect on the skeletal system?
A) progressive loss of processes and tuberosities
B) fusion of joints, especially in the vertebral column
C) loss of calcium and collagen fibers from matrix
D) increase in the number of cranial foramina
E) increase in adipose tissue in epiphyses
C
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Identical twins will have the same fingerprints.
Answer the following statement true (T) or false (F)
With advancing age, ________ become less elastic as the cross-links that hold
collagen molecules together break down. Fill in the blank(s) with correct word
You are examining a neuron under the microscope. It appears as a round cell without visible processes. What is true of this neuron?
A) It is likely to be a unipolar neuron. B) It is most likely a sensory neuron. C) It is located in the PNS (peripheral nervous system). D) It is likely to be a unipolar neuron, it is located in the PNS (peripheral nervous system), and it is most likely to be a sensory neuron.
In a sarcomere, the central portion of thick filaments are linked laterally by proteins of the
A) Z line. B) M line. C) H band. D) A band. E) I band.