A. A CEN fragment derived from one chromosome can replace the centromere of another chromosome with no apparent consequence.

B. CEN are used simply to attach the chromosome to the spindle, and play no role in distinguishing one chromosome from another.

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#Question id: 29068

#Unit 10. Ecological Principles

A positive correlation between population density over time and individual fitness is known as___

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#Question id: 654

#Unit 1. Molecules and their Interaction Relevant to Biology

Which pair represents different conformations?

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#Question id: 15256

#Unit 2. Cellular Organization

A low molecular weight molecules that are able to complex with ferric iron and supply it to the cell

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#Question id: 26407

#Unit 3. Fundamental Processes

Choose the correct regarding DNA Pol a/ primase and DNA Pold

a. They primarily act on the lagging strand

b. They primarily act on the leyding strand

c. They are only recruited after DNA unwinding

d. They are only recruited before DNA unwinding

TLS Online TPP Program

#Question id: 11074

#Unit 7. System Physiology – Animal

A 30-year-old woman performs a valsalva maneuver about 30 min after eating lunch. Which of the following best describes the changes in pulmonary and systemic blood volumes that occur in this woman?