Lac operon is an example of

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#Question id: 19331

#Unit 12. Applied Biology

Which one of the following sensors converts pressure, tension, force, etc into an electrical signal?

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#Question id: 1055

#Unit 4. Cell Communication and Cell Signaling

What part of the E. coli T4 phage attaches to the host cell receptors?

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#Question id: 11493

#Unit 2. Cellular Organization

Which of the following membrane protein form channel, in the form of gap junctions between cells?

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#Question id: 23451

#General Aptitude

You are returning home from school. On the way, you find a sealed envelope in a street, fully addressed with unused stamps on it. You would:

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#Question id: 15003

#Unit 8. Inheritance Biology

Laurie met her husband Jim at a support group for families dealing with PKU (phenylketonurea), a recessive genetic disorder. Laurie and Jim both have one sister who is affected with PKU and no other family history of the disorder. They come to you as a genetic counselor to ask what their risk is of having an affected child. What do you tell them?