In a resting potential, an example of a cation that is more abundant as a solute in the cytosol of a neuron than it is in the interstitial fluid outside the neuron is _____

A) Cl-
B) Ca++
C) Na+
D) K+


D

Biology & Microbiology

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Mutation is a source of new genetic variation. New genes can only be introduced into the population when individuals reproduce. Considering this, would you expect more variation in a population of mice or elephants, over the same time period, assuming that the populations were the same size? Explain

What will be an ideal response?

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The structure of phospholipids includes a water-soluble phosphate group and water-insoluble fatty acid tails.

a. true b. false

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Large, multinucleate cells that break down bone are called:a

osteoblasts. b. chondrocytes. c. bone stem cells. d. chondroblasts. e. osteoclasts.

Biology & Microbiology

Which of the following statements best explains why people with Hodgkin's disease often show signs of immunodeficiency?

A) The Hodgkin's disease virus infects and destroys B cells. B) Hodgkin's disease involves the deposition of immune complexes in the kidneys. C) Hodgkin's disease is a type of cancer that affects lymphocytes. D) Hodgkin's disease occurs when an immune response elicited by streptococcal bacteria kills normal heart cells as well.

Biology & Microbiology