If You Add Togavirus Virions to Host Cells and Then

question 18

Multiple Choice

If you add togavirus virions to host cells and then lower the pH of the medium, what will happen?

• A) The virions will become inactivated.
• B) The virus will bind more tightly to the host cell receptor.
• C) The virions will fuse to the plasma membrane of the cell.
• D) The virus will be released from the host cell receptor.
• E) The virions will be taken up by receptor mediated endocytosis.

Understand the relationship between species richness, productivity, and ecosystem stability.

Recognize processes and outcomes of both primary and secondary successions in ecosystems.

Identify the roles of specific organisms and species interactions in shaping community structure and dynamics.

Appreciate the importance of biodiversity and species diversity measures, including the Shannon index, in assessing ecosystem health.

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Definitions:

Standard Deviation

An indicator that calculates how much a group of figures deviates or scatters from each other.

Risky Asset

An asset that carries a significant degree of risk of losing value, but also offers the potential for higher returns as compared to safer investments.

Rate of Return

The increase or decrease in the value of an investment during a set timeframe, represented as a percentage of the investment's starting price.

Indifference Curves

Graphical representations used in microeconomics to illustrate different combinations of two goods that provide the same level of utility or satisfaction to a consumer.