A protein that binds to the operator and blocks the RNA polymerase

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#Question id: 14831

#SCPH05 I Biotechnology

A spirochete is a member of the phylum Spirochaetota, which contains distinctive diderm gram-negative bacteria, most of which have long, helically coiled cells. Movement of spirochetes occurs by means of structures called 

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#Question id: 1110

#SCPH01 Biochemistry

If a pharmaceutical company wished to design a drug to maintain low blood sugar levels, one approach might be to design a compound that does which of the following?

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#Question id: 2163

#SCPH28 | Zoology

Osmosis

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#Question id: 9181

#SCPH28 | Zoology

Turnover of water in temperate lakes during the spring and fall is caused by which of the following?

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#Question id: 8917

#SCPH28 | Zoology

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