Which part of the ATP molecule breaks free of the rest when an ATP molecule used

Question

Which part of the ATP molecule breaks free of the rest when an ATP molecule used for energy? A) part A B) part B C) part C D) part D In some areas, fluoride is added during the municipal water treatment process in order to help A) prevent the growth of bacteria. B) prevent the development of mental retardation. C) reduce tooth decay. D) prevent goiter. Which meal is high in fiber, low in saturated fats, and high in unsaturated fats? A) a plate of scrambled eggs with a side of cottage cheese B) a black bean, cheese, lettuce, and sour cream burrito in a flour tortilla C) a bowl of spaghetti tossed with olive oil, artichokes, and broccoli D) a rib eye steak, mashed potatoes, and side salad with ranch dressing A scanning electron microscope is used to study _____ whereas a transmission electron microscope is used to study _____ A) dead cells; live cells B) cell surfaces; internal cell structures C) internal cell structures; cell surfaces D) live cells; dead cells In the equation 2 H_2 + O_2 rightarrow 2 H_2O, A) only H_2 and O_2 are compounds. B) H_2, O_2, and H_2O are all elements. C) only H_2O is a compound. D) H_2, O_2, and H_2O are all compounds. Which of the following particles are found in the nucleus of an atom? A) only electrons B) only protons C) protons and neutrons D) protons and electrons Organic compounds A) always contain nitrogen. B) always contain oxygen. C) are synthesized only by animal cells. D) always contain carbon. The cells that produce hair made of protein contain a lot of _____ while the cells that produce the oils that coat hair contain a lot of _____. A) microbodies; lysosomes B) smooth endoplasmic reticulum: lysosomes C) rough endoplasmic reticulum; smooth endoplasmic reticulum D) smooth endoplasmic reticulum; rough endoplasmic reticulum

Explanation / Answer

47. D) Part D

this is because ATP, on hydrolysis becomes ADP by removal of the terminal phosphate.

48. C) to reduce tooth decay

In case where there is demineralisation of the tooth enamel, in the presence of hydroxyapatite enamel crystal, the fluorine forms flouroapatite like coating on the enamel resulting in remineralisation.

49. C) a bowl of spaghetti tossed with olive oil, artichokes and broccoli

Broccoli and artichokes provide the high fiber content and the olive oil provides high unsaturated and low saturated fats content.

50. B) cell surface and internal cell structures

Scanning electron microscope, as the name suggests, spans the surface of a specimen as the beams Di not transmit through the specimen, unlike a transmission electron microscope, where the beam of electrons get transmitted through the specimen.

51. C) only H2O is a compound

twA compound is made up of two or more elements which in this case is H2O, whereas Hydrogen and oxygen are just elements.

52. C) proton and neutrons

Protons and neutrons are present in the nucleus whereas electrons are orbiting.

53. D) always contain carbon

54. C) rough endoplasmic and smooth endoplasmic reticulum

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