Which of the following, first discovered through mutagenesis studies in Drosophila, also function in the development of mammals like us?

a) hedgehog

b) homeobox genes

c) the Wnt family

d) the Toll signaling pathway

Which of the following combination is correct?

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#Question id: 33913

#Unit 2. Cellular Organization

A. Underwinding of a B-DNA helix might facilitate or stabilize the formation of Z-DNA.

B. Underwinding aids in the transition by providing a local region of unwound DNA that allows the shift to Z-DNA.

C. Overwinding of a B-DNA helix might facilitate or stabilize the formation of Z-DNA.

D. Overwinding aids in the transition by providing a local region of unwound DNA that allows the shift to Z-DNA.

What is correct combination of statements

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#Question id: 11107

#Unit 7. System Physiology – Animal

Which one of the following is NOT a factor influencing respiratory rate and depth:

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#Question id: 29073

#Unit 10. Ecological Principles

Given below is an ecological pyramid, which of the following statements about these pyramid is correct:

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#Question id: 2113

#Unit 2. Cellular Organization

Why are lipids and proteins free to move laterally in membranes?

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#Question id: 20402

#Unit 3. Fundamental Processes

Cluster rule based on template and non-template, according to cluster rule mRNA a should be