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TLS Online TPP Program

#Question id: 9259

The oceans affect the biosphere in all of the following ways except

#Unit 9. Diversity of Life Forms
  1. producing a substantial amount of the biosphere's oxygen.
  2.  removing carbon dioxide from the atmosphere.
  3. moderating the climate of terrestrial biomes.
  4. regulating the pH of freshwater biomes and terrestrial groundwater
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TLS Online TPP Program

#Question id: 3576

#Unit 8. Inheritance Biology

Which of the following most accurately restates Mendel's law of segregation?
TLS Online TPP Program

#Question id: 13219

#Unit 6. System Physiology – Plant

In the apoplast pathway, water moves exclusively
TLS Online TPP Program

#Question id: 2244

#Unit 2. Cellular Organization

Arrange the statements below in the proper sequence of events that occur in an action potential:

I. The resting potential is re-established.

II. A stimulus depolarizes the membrane to threshold.

III. Na+ gates open and Na+ rushes into the cell.

IV. K+ gates open and K+ rushes out of the cell.
TLS Online TPP Program

#Question id: 2722

#Unit 2. Cellular Organization

Which type of supercoiling takes the form of extended right-handed coils?
TLS Online TPP Program

#Question id: 31014

#Unit 4. Cell Communication and Cell Signaling

If the insulin concentration rises fivefold to 2.5 × 10−11 M, as it does after a meal, and the Kd for binding of insulin to its receptor on liver cells, 1.4 × 10−10 M (0.14 nM). What fraction of insulin receptors with bound insulin?