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TLS Online TPP Program

#Question id: 3464

Adult male humans generally have deeper voices than do adult female humans, which is the direct result of higher levels of testosterone causing growth of the larynx. If the fossil records ofapes and humans alike show a trend toward decreasing larynx size in adult females and increasing larynx size in adult males, then

#Unit 11. Evolution and Behavior

  1. sexual dimorphism was evolving over time in these species

  2. intrasexual selection seems to have occurred in both species

  3. stabilizing selection was occurring in these species concerning larynx size

  4. selection was acting more directly upon genotype than upon phenotype

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TLS Online TPP Program

#Question id: 7222

#Unit 5. Developmental Biology

During development of sea urchin, The fates of the different cell layers are determined by which process?
TLS Online TPP Program

#Question id: 4858

#Unit 8. Inheritance Biology

Which of the following statements is true?
TLS Online TPP Program

#Question id: 1847

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements is TRUE of DNA vaccines?
TLS Online TPP Program

#Question id: 24633

#Unit 2. Cellular Organization

Which of the type of reactions performed in Inserting DNA into a phage head
TLS Online TPP Program

#Question id: 11082

#Unit 7. System Physiology – Animal

A 67-year-old man has a solid tumor that pushes against an airway partially obstructing air flow to the distal alveoli. Which point on the ventilation-perfusion line of the O2-CO2 diagram corresponds to the alveolar gas of these distal alveoli?