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TLS Online TPP Program

#Question id: 400

Consider two solutions: solution X has a pH of 4; solution Y has a pH of 7. From this information, we can reasonably conclude that ________.

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. solution Y has no free hydrogen ions (H+)

  2. the concentration of hydrogen ions in solution Y is 1000 times as great as the concentration of hydrogen ions in solution X

  3. the concentration of hydrogen ions in solution X is 3 times as great as the concentration of hydrogen ions in solution Y

  4. the concentration of hydrogen ions in solution X is 1000 times as great as the concentration of hydrogen ions in solution Y

More Questions
TLS Online TPP Program

#Question id: 24202

#Unit 4. Cell Communication and Cell Signaling

Homophilic Binding appears:
TLS Online TPP Program

#Question id: 11558

#Unit 7. System Physiology – Animal

Analysis of a blood sample from a fasting individual who had not eaten for 24 hours would be expected to reveal high levels of ________.
TLS Online TPP Program

#Question id: 12218

#Unit 7. System Physiology – Animal

The control of gastric acid secretion in response to a meal involves several events that take place over a 4- or 5-hr period following the meal. These events include
(1) a decrease in the pH of the gastric contents,
(2) an increase in the rate of acid secretion,
(3) a decrease in the rate of acid secretion, and
(4) an increase in the pH of the gastric contents. Which of the following best describes
the correct temporal order of events over a 4- or 5-hr period following a meal?
TLS Online TPP Program

#Question id: 12573

#Unit 10. Ecological Principles

Which of the following conditions is the most likely indicator of a population in an extinction vortex? 
TLS Online TPP Program

#Question id: 1534

#Unit 4. Cell Communication and Cell Signaling

Cadherin proteins help animal cells stick (adhere) to each other. Choose which statement about cadherin in cancer cells that are metastasizing (spreading) throughout a patient's body is most likely correct.