TLS Online TPP Program

#Question id: 9612


The best classification system is that which most closely

#Unit 9. Diversity of Life Forms
  1. unites organisms that possess similar morphologies.
  2. conforms to traditional, Linnaean taxonomic practices.
  3. reflects evolutionary history.
  4. corroborates the classification scheme in use at the time of Charles Darwin.
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TLS Online TPP Program

#Question id: 2117

#Unit 2. Cellular Organization

Which of the following statements correctly describes osmosis?

TLS Online TPP Program

#Question id: 5002

#Unit 11. Evolution and Behavior

All animals with eyes or eyespots that have been studied so far share a gene in common. When mutated, the gene Pax-6 causes lack of eyes in fruit flies, tiny eyes in mice, and missing irises (and other eye parts) in humans. The sequence of Pax-6 in humans and mice is identical. There are so few sequence differences with fruit fly Pax-6 that the human/mouse version can cause eye formation in eyeless fruit flies, even though vertebrates and invertebrates last shared a common ancestor more than 500 million years ago.

The appearance of Pax-6 in all animals with eyes can be explained in multiple ways. Based on the information above, which explanation is most likely?

TLS Online TPP Program

#Question id: 10219

#Unit 6. System Physiology – Plant

The PSII reaction center leads to easily  inactivation and damage by photoinhibition process while Photosystem I Is Protected from Active Oxygen Species, Why PSI protect from active oxygen species in compare to PSII

TLS Online TPP Program

#Question id: 10572

#Unit 10. Ecological Principles

In 2005, the United States had a population of approximately 295,000,000 people. If the birth rate was 13 births for every 1,000 people, approximately how many births occurred in the United States in 2005?

TLS Online TPP Program

#Question id: 2296

#Unit 2. Cellular Organization

Small metabolites, such as sugar and ions, pass between plant cells via _______