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TLS Online TPP Program

#Question id: 5681

What is the arrangement of microtubules in sperm flagellum?

#Unit 5. Developmental Biology

  1. The core of the axoneme consists of two central singlet microtubules surrounded by a row of nine doublet microtubules.

  2. The core of the axoneme consists of two central doublet microtubules surrounded by a row of nine singlet microtubules.

  3. The core of the axoneme consists a row of nine central singlet microtubules surrounded by two doublet microtubules.

  4. The core of the axoneme consists of two central triplet microtubules surrounded by a row of nine doublet microtubules.

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TLS Online TPP Program

#Question id: 5303

#Unit 11. Evolution and Behavior

Which of the following statements defines proteomics?
TLS Online TPP Program

#Question id: 5467

#Unit 8. Inheritance Biology

Two varieties of maize averaging 25 and 125 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 75 inches in height. Of the 500 F2 plants, the Shortest 2 is 25 inches and the tallest 2 are 125 inches. What will be number phenotype observe in F2 progeny and number of polygene contribute for that character respectively?
TLS Online TPP Program

#Question id: 434

#Unit 1. Molecules and their Interaction Relevant to Biology

 Anabolic and catabolic reactions in eukaryotes can occur simultaneously in cells. This is possible because ________.
TLS Online TPP Program

#Question id: 4594

#Unit 11. Evolution and Behavior

Which one of the following observations did Darwin first make during his discovery of evolution?
TLS Online TPP Program

#Question id: 19458

#Unit 13. Methods in Biology

How phase contrast and DIC microscopy are used to image live cells and unstained tissues?