Epinephrine can be what kind of signaling molecule?

a. autocrine      b. direct contact  c. endocrine d. paracrine

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#Question id: 1952

#Section 2: General Biology

Immune defenses in the gut have evolved mechanisms that restrict the activation of:

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#Question id: 27250

#Section 3: Genetics, Cellular and Molecular Biology

DNA exists in a double-stranded form whereas RNA is mainly a single stranded molecule. What is the likely reason for DNA being double stranded?

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#Question id: 4815

#Section 3: Genetics, Cellular and Molecular Biology

The cross over percentage between linked genes J and M is 20%, J and L is 35%, J and N is 70%, L and K is 15%, M and N 50%. The sequence of genes on the chromosome is

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#Question id: 27190

#Section 5: Bioprocess Engineering and Process Biotechnology

A substrate is consumed in a zero order reaction such that the concentration falls from 40 g/l to 20 g/l in 4 h. How long will it take the substrate to fall from 20 g/l to 2 g/l:

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#Question id: 1679

#Section 2: General Biology

What is the molecular weight of MHC class II β chain?