Consider several human populations  of  equal size  and  net  reproductive rate, but  different in  age  structure. The population that is likely to grow the most during the next 30 years is the one with the greatest fraction of people in which age range?

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#Question id: 4276

#Unit 3. Fundamental Processes

Which of the following post-translational modifications of proteins occur(s) in the lumen of the endoplasmic reticulum?

a. glycosylation                       b. formation of disulfide bonds

c. conformational folding and formation of quaternary structure

d. proteolytic cleavage                        e. aldol condensation of sugars

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#Question id: 5255

#Unit 8. Inheritance Biology

Which of the following is a structure that permits conjugation to occur?

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#Question id: 29448

#Unit 6. System Physiology – Plant

Plant genes expressed early, or in the absence of bacterial infection, are termed

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#Question id: 13002

#Unit 3. Fundamental Processes

Where in a eukaryotic cell do you think you would find each of the following proteins residing when it is actively performing its function. Be as specific as you can in terms of subcellular location.

Match the following with the correct subcellular location;

I) Polymerases	a) In the cytoplasm
II) Ribosomal proteins	b) Inside the plasma membrane.
III) DNA ligase	c) In the mitochondrial matrix
IV) protein that allows ions to pass in and out of the cell	d) In the nucleus of cells
V) Activator protein	e) Inside the nuclear membrane
VI) an enzyme in the Krebs/TCA cycle
VII) a protein that forms a channel through which mRNAs can be exported into the cytoplasm

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#Question id: 11456

#Unit 7. System Physiology – Animal

During an auditory transduction, ion flow varies across the ________.