Two membrane proteins, 

Smoothened (Smo) 

Patched (Ptc)

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#Id: 6839

#Unit 8. Inheritance Biology

COMPONENTS OF GENETIC VARIANCE

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#Id: 5573

#Unit 7. System Physiology – Animal

The recirculation of urea helps to trap urea in the renal medulla and contributes to the hyperosmolarity of the renal medulla.

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#Id: 3429

#Unit 6. System Physiology – Plant

In molecules, two types of excited states can exist;
a) The singlet state is relatively short‐lived and contains electrons with opposite (antiparallel) spins.
b) The more long‐lived triplet state has electron spins that are aligned (parallel).

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#Id: 1479

#Unit 4. Cell Communication and Cell Signaling

Characterization of the disease-causing deletion showed that the absence of two miRNAs, miR-15-a and miR-16-1, causes chronic lymphocytic leukemia (CLL)

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#Id: 6660

#Unit 3. Fundamental Processes

The sequence AAUAAA is a signal for cleavage to generate a 3’ end of mRNA that is polyadenylated. Addition of poly(A) to nuclear RNA can be prevented by the analog 3’–deoxyadenosine known as cordycepin