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TLS Online TPP Program

#Question id: 64

Testosterone and estradiol are male and female sex hormones, respectively, in many vertebrates. In what way(s) do these molecules differ from each other? Testosterone and estradiol ________.

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. are structural isomers but have the same molecular formula

  2. are cis-trans isomers but have the same molecular formula

  3. have different functional groups attached to the same carbon skeleton

  4. are enantiomers of the same organic molecule

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TLS Online TPP Program

#Question id: 5231

#Unit 11. Evolution and Behavior

Although quite different in structure, plants and animals share some basic similarities in their development, such as
TLS Online TPP Program

#Question id: 5449

#Unit 8. Inheritance Biology

Most behavioral traits are affected by many different genetic influences as well as environment. The best descriptor for such traits is:
TLS Online TPP Program

#Question id: 12585

#Unit 10. Ecological Principles

Agricultural lands frequently require nutritional supplementation because
TLS Online TPP Program

#Question id: 3530

#Unit 8. Inheritance Biology

Mendel’s law of segregation, as applied to the behavior of chromosomes in meiosis, means that:
TLS Online TPP Program

#Question id: 11647

#Unit 7. System Physiology – Animal

After menopause, hormone replacement therapy with estrogen-like compounds is effective in preventing the progression of osteoporosis. What is the mechanism of their protective effect?