Which of the following statements are true about resting membrane potential? Select all correct choices
A. It results from the sodium-potassium pump
moving more Na+ ions out of the cell
compared to the number of K+ ions moved
into the cell.
B. It results from K+ ions moving out of the
cell through passive diffusion.
C. It results from voltage-gated sodium
channels remaining open for long periods of
time.
A,B
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Ronald Fisher developed a critical idea for the modern synthesis of Darwin and Mendel. What is the basis of this synthesis?
A. Mendel was correct in that most traits are discrete. B. Multiple genes can explain the continuous nature of most observed traits. C. Darwin was incorrect in how natural selection influences discrete traits like Mendel observed. D. Mendel and Darwin both missed the importance of population growth as described by Malthus.
What is the most efficient way to regulate gene expression from the perspective of cellular resources? What will be an ideal response?
The shape of the lens of the eye can be changed to allow focusing on certain objects at different distances from the head. The structure that produces this shape change is the ________
A) eyelid muscle B) ciliary body C) extrinsic muscle D) papillary muscle
what organ is located in the back of the abdomen behind the stomach, secretes insulin, and secretes enzymatic juices that aid in digestion
What will be an ideal response?