The Hox genes came to regulate each of the following in what sequence, from earliest to most recent?

1. identity and position of paired appendages in protostome embryos

2. formation of water channels in sponges

3. anterior-posterior orientation of segments in protostome embryos

4. positioning of tentacles in cnidarians

5. anterior-posterior orientation in vertebrate embryos

TLS Online TPP Program

#Question id: 2958

#SCPH28 | Zoology

Which of the following structures is not a feature of the mitotic chromosome?

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#Question id: 18638

#SCPH05 I Biotechnology

For unrooted trees, the number of unrooted tree topologies (NU) is ________

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#Question id: 10538

#SCPH05 I Biotechnology

Injury to the leaf caused by herbivory activates which types of ion channels?

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#Question id: 14154

#SCPH05 I Biotechnology

BLAST and FASTA are the examples of 

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#Question id: 4941

#SCPH28 | Zoology

Which of the factors below weaken the hypothesis of abiotic synthesis of organic monomers in early Earthʹs atmosphere?

1.  the relatively short time between intense meteor bombardment and appearance of the first life forms

2.  the lack of experimental evidence that organic monomers can form by abiotic synthesis

3.  Uncertainty about which gases comprised early Earthʹs atmosphere