________ is the term given to the process by which cells delete genes when the gene products are no longer required, as occurs in mammalian red blood cells
Fill in the blank with correct word.
Answer: Gene deletion
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Which of the following is true of adherens junctions?
A. They are holes in the cell wall through which the plasma membrane and endoplasmic reticulum of adjacent cells are connected. B. They are channels in the plasma membrane of plant cells made of transmembrane proteins that allow ions and small molecules to pass between adjacent cells. C. They are channels in the plasma membrane of animal cells made of transmembrane proteins that allow ions and small molecules to pass between adjacent cells. D. They provide points of structural support between adjacent plant cells. E. They provide points of structural support between adjacent animal cells.
Where on a neuron would you expect to find myelin?
A. round the dendrites B. at the axon hillock C. along the axon D. at the synapse
In early vertebrates, which component of the brain was devoted largely to coordinating motor reflexes?
A. thalamus B. forebrain C. midbrain D. hindbrain E. medulla oblongata
Why is it problematic to take antibiotics for viral diseases?
What will be an ideal response?