Pleiotropy occurs when one gene influences multiple, seemingly unrelated phenotypic traits. A single gene is responsible for pigmentation and hearing.
Biopsychologists who study the physiological correlates of psychological processes by recording physiological signals from the surface of the human body are often referred to as psychophysiologists.
- 1949; The Organization of Behavior written by D.O. Hebb; played a key role in biopsychology's emergence as a major neuroscientific discipline; provided a formalized outline of how brain physiology could explain behaviors.
- Neurons are the cells that receive and transmit electrochemical signals.
- Psychology is the the scientific study of behavior (all overt activities of the organism as well as all the internal processes that are presumed to underlie them).
- Comparative Psychology is the study of the evolution, genetics, and adaptiveness of behavior, largely through the use of the comparative method
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Answer:
D. I, IV, VI, and VII
Explanation:
DNA polymerase III has both 5' to 3' polymerization activity and 3' to 5' exonuclease activity (the proofreading). DNA pol III requires divalent magnesium ions for its polymerization and proofreading activities. Here, the magnesium ions serve as cofactor.
DNA polymerase III cannot start the process of synthesis of new DNA strand de novo and uses an RNA primer synthesized by primase enzyme. The polymerization activity of DNA polymerase III elongates the RNA primer in 5' to 3' direction. The primers are removed by 5' to 3' exonuclease activity of DNA polymerase I.
During polymerization, the DNA polymerase III uses existing DNA strand as a template. The four dNTPs namely deoxyadenosine triphosphate (dATP), deoxycytidine triphosphate (dCTP), deoxyguanosine triphosphate (dGTP) and deoxythymidine triphosphate (dTTP) are added to the RNA primer according to the sequence of DNA template.
