Which component of the compound microscope aids in the collecting and focussing of light rays on the material to be examined?

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#Question id: 8915

#Part-A Aptitude & General Biotechnology

The number of legs an insect has, the number of vertebrae in a vertebral column, or the number of joints in a digit (such as a finger) are all strongly influenced by

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#Question id: 8915

#Part-B Specialized Branches in Biotechnology

The number of legs an insect has, the number of vertebrae in a vertebral column, or the number of joints in a digit (such as a finger) are all strongly influenced by

TLS Online TPP Program

#Question id: 8916

#Part-A Aptitude & General Biotechnology

What do animals as diverse as corals and monkeys have in common?

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#Question id: 8916

#Part-B Specialized Branches in Biotechnology

What do animals as diverse as corals and monkeys have in common?

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#Question id: 8917

#Part-A Aptitude & General Biotechnology

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

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#Question id: 8918

#Part-A Aptitude & General Biotechnology

In individual insects of some species, whole chromosomes that carry larval genes are eliminated from the genomes of somatic cells at the time of metamorphosis. A consequence of this occurrence is that