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TLS Online TPP Program

#Question id: 343

Assume that acid rain has lowered the pH of a particular lake to pH 5.0. What is the hydroxide ion concentration of this lake?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. 1 × 10^-9 mol of hydroxide ions per liter of lake water

  2. 1 × 10^-5 mol of hydroxide ions per liter of lake water

  3. 5.0 M hydroxide ion

  4. 5.0 × 10^-5 mol of hydroxide ions per liter of lake water

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TLS Online TPP Program

#Question id: 8910

#Unit 9. Diversity of Life Forms

Both animals and fungi are heterotrophic. What distinguishes animal heterotrophy from fungal heterotrophy is that only animals derive their nutrition
TLS Online TPP Program

#Question id: 4365

#Unit 3. Fundamental Processes

Which of the following methods is utilized by eukaryotes to control their gene expression that is different from the type of control found in bacteria?
TLS Online TPP Program

#Question id: 11777

#Unit 10. Ecological Principles

Some of the species of stalk-eyed flies are sexually dimorphic, with males having eye stalks up to twice as long as those in females. This gender difference in eye span results from selection by females on the expression of this trait in males, a process called __________.
TLS Online TPP Program

#Question id: 268

#Unit 1. Molecules and their Interaction Relevant to Biology

Stem-loop is a type of secondary structure not usually found in
TLS Online TPP Program

#Question id: 5595

#Unit 5. Developmental Biology

A protein that can act as an anchor for cadherins or as a transcription factor-