Correct sets of genes are well known to be involved in aging and its prevention, and each set appears to be conserved between phyla and even kingdoms. 

a. DNA repair enzymes

b. proteins of the insulin signaling pathway

c. proteins in the mTORC1 signaling pathway

d. chromatin remodeling enzymes

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#Question id: 10220

#Unit 6. System Physiology – Plant

Thylakoid membranes contain a protein kinase that can phosphorylate a specific threonine residue on the surface of LHCII. How the kinase is activated?

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#Question id: 11679

#Unit 7. System Physiology – Animal

After blood flow is artificially reduced at one kidney, you would expect that kidney to secrete more of the hormone known as ________.

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#Question id: 15765

#Unit 5. Developmental Biology

What is symmetrical differentiation?

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#Question id: 888

#Unit 1. Molecules and their Interaction Relevant to Biology

Which one of the following statements about the protein folding is incorrect?

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#Question id: 3630

#Unit 8. Inheritance Biology

In the pearl-millet plant, color is determined by three alleles at a single locus: Rp1 (red), Rp2 (purple), and rp (green). Red is dominant over purple and green, and purple is dominant over green (Rp1 > Rp2 > rp). What will be expected phenotypes and ratios of offspring produced by the Rp1/rp × Rp2/rp crosses?