Mitosis is: formation of sex cells. nucleus replication to create diversity in g

Question

Mitosis is: formation of sex cells. nucleus replication to create diversity in genetic potential division of a cell A rapid repetitive series of threshold stimuli leading to a single, fused, sustained contraction is summation of stimuli. treppe. tetanus summation of contraction. Strong muscle contractions are controlled by increasing the voltage up to the maximum voltage. increase the voltage above the maximum voltage increasing the voltage above the threshold recruiting small and medium muscle fibers One of the functional characteristics of life is irritability. This refers to: indigestible food residues stimulating the excretory system. the nervous system causing a living things to sometimes experience anger sensing charges n the environment and then reacting or responding to them the necessity for all organisms to reproduce. Which of the following statements is true concerning feedback mechanisms? Positive feedback mechanisms always result in excessive damage to the host Blood glucose levels are regulated by positive feedback mechanisms. Negative feedback mechanisms work to prevent sudden severe changes within the body. Smooch muscle is significantly different from striated muscle in several ways. Which of the following is true? Smooth muscle has transverse tubules Smooth muscle is larger and more powerful than striated muscle The fibers of smooth muscle are arranged quadrangularly Smooth muscle shortens and stretches to a greater extent than does striated muscle

Explanation / Answer

Ans for Q27. D. division of cell

Mitosis also called somatic cell division which make two genetically identical cell from a single cell. Number of chromosome of daughter's cell will be same as parental cell.

Ans for Q28. A.Summation of stimuli:

Summation of stimuli is a additive effect of several electrical impulse on a neurotransmmiter junction, neccesory to trigger a action potential.

Ans for Q29. Ans C. Increasing the voltage above the thresold

Ans for Q30. Ans.C

Ans for Q31. Ans.D

Ans for Q32. Ans.D

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