RAG-1 and RAG-2 enzymes mediate the recombination of:

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#Question id: 3306

#Section 3: Genetics, Cellular and Molecular Biology

Death feigning behaviour (i.e., pretending to be dead when attacked) is found in snakes and millipedes. This similarity in behaviour between snakes and millipedes is an example of

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#Question id: 8925

#Section 6: Plant, Animal and Microbial Biotechnology

What is the probable sequence in which the following clades of animals originated, from earliest to most recent?

1. tetrapods

2. vertebrates

3. deuterostomes

4. amniotes

5. bilaterians

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#Question id: 1549

#Section 2: General Biology

the decision to translate  IgM versus IgD  heavy chains is made at the level of?

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#Question id: 4731

#Section 3: Genetics, Cellular and Molecular Biology

A pure-breeding strain of squash that produced disk-shaped fruits was crossed with a pure breeding strain having long fruits. The F1 had disk fruits, but the F2 showed a new phenotype, sphere, and was composed of the following proportions

Disk  384            

Sphere 96

 Long  32

What is reason for F2 phenotype?

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#Question id: 2080

#Section 2: General Biology

Which of the following factors would tend to increase membrane fluidity?