Correlation between life span and the ability of fibroblasts to repair DNA in various mammalian species, Repair capacity is represented in autoradiography by the number of grains from radioactive thymidine per cell nucleus. According to graph, which factor exist on x-axis ? Note that the y-axis (life span) is logarithmic.

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#Question id: 14502

#SCPH28 | Zoology

The chances of a person being alive who is now 35 years old, till he is 75 are 8 : 6 and of another person being alive now 40 years old till he is 80 are 4 : 5. The probability that at least one of these persons would die before completing 40 years hence is

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#Question id: 11756

#SCPH28 | Zoology

A 65-year-old man has a heart attack and experiences cardiopulmonary arrest while being transported to the emergency room. The following laboratory values are obtained from arterial blood:

plasma pH = 7.12,

plasma PCO2 = 60mm Hg, and

plasma HCO3− concentration = 19 mEq/L.

Which of the following best describes his acid-base disorder?

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#Question id: 421

#SCPH01 Biochemistry

The flow of material through a metabolic pathway is called the ________

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#Question id: 4332

#SCPH28 | Zoology

Which of the following is not true of a codon?

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#Question id: 110

#SCPH01 Biochemistry

Tay-Sachs disease results from