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TLS Online TPP Program

#Question id: 10230

Closely related species whose populations are sometimes allopatric showing greater morphology similarity but in a sympatric with distinct morphology due to

#Unit 10. Ecological Principles
  1. Sympatric populations, which would potentially intraspecific competition for resources, show differences in body structures and in the resources they use
  2. Sympatric populations may influenced to dissimilar environmental condition, differences in body structures and in the resources they use
  3. Sympatric populations, which would potentially compete for mate choice, show differences in body structures and in the resources they use
  4. Interspecific competition in this system could change the morphology of competing species of sympatric population
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TLS Online TPP Program

#Question id: 2277

#Unit 2. Cellular Organization

A gram-positive bacterium is stained _______________ by the gram stain
TLS Online TPP Program

#Question id: 15007

#Unit 8. Inheritance Biology

You set up a cross between true breeding wild type male fruit flies and true breeding female flies with a yellow body color. You notice in the F1 generation that half the flies, specifically all the males, have yellow body color while the females are wild type (gray). Which of the following explanations is the most likely?
TLS Online TPP Program

#Question id: 784

#Unit 1. Molecules and their Interaction Relevant to Biology

Which is not a difference between B-DNA and A-DNA?
TLS Online TPP Program

#Question id: 5448

#Unit 8. Inheritance Biology

Plant height control by 3 pair of polygene, two varieties of maize averaging 48 and 72 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 60 inches in height. What is number of average phenotype out of 500 F2 plants?
TLS Online TPP Program

#Question id: 11130

#Unit 7. System Physiology – Animal

Which of the following electrical events is characteristic of inhibitory synaptic interactions?