Which of the following is the smallest structure that would most likely be visible with a standard (not super-resolution) research-grade light microscope?

TLS Online TPP Program

#Question id: 4730

#Unit 8. Inheritance Biology

Cross is made between a pure breeding plant having red coloured male flowers with a pure breeding plant having white colored female flowers. All of these offspring are white colored flower. Upon selfing of these F1 red flower plant produced both red and white flower. Which of the following is conclusion of these cross?

TLS Online TPP Program

#Question id: 21241

#Unit 7. System Physiology – Animal

A 45-year-old female who had never needed to wear glasses experienced difficulty reading a menu in a dimly-lit restaurant. She then recalled that as of late she needed to have the newspaper closer to her eyes in order to read it. A friend recommended she purchase reading glasses. Visual accommodation involves

TLS Online TPP Program

#Question id: 2388

#Unit 2. Cellular Organization

the xylan backbone may be synthesized by a distinctly different group of synthases, including synthases named

TLS Online TPP Program

#Question id: 20410

#Unit 3. Fundamental Processes

A mutation that confers a more advantageous phenotype to an organism, relative to Individuals in the same population without the mutation, is called

TLS Online TPP Program

#Question id: 5029

#Unit 11. Evolution and Behavior

Which of the following was the least likely factor causing the Cambrian explosion?