What type of cell is common in both white pulp and germinal centers of lymph nodes?
A) Lymphocytes
B) Phagocytes
C) Erythrocytes
D) Adipocytes
Answer: A
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In Alzheimer patients, amyloid plaques may cause
a. a breakdown the blood-brain barrier b. glutamate toxicity to neurons c. degeneration of the neuron cell bodies d. a breakdown in the blood-brain barrier and glutamate toxicity to neurons e. glutamate toxicity to neurons and degeneration of the neuron cell bodies
By making two covalent bonds, an O atom (with 8 protons) fills its valence shell. Why does the atom's charge stay close to zero?
What will be an ideal response?
Endochondral ossification is a form of bone growth in which a cartilaginous model is replaced by bone.
Answer the following statement true (T) or false (F)
Angiotensin-converting enzyme is found only in the kidneys and converts angiotensinogen to angiotensin I
Indicate whether the statement is true or false