Ques: Q: What component of cells is present in plant and bacterial cells but not animal cells? Read this paragraph and choose the correct option from the provided answers: Animal Cell. The shape of an animal cell is not constrained by a rigid cell wall. A bacterial cell is shown above for comparison. Choices: - nucleus - plasma - mitochondria - cell wall A:
Ans: cell wall

Ques: Q: The sum of the masses of the atoms in the formula is referred to as what? Read this paragraph and choose the correct option from the provided answers: The molecular mass is the sum of the masses of the atoms in the formula. Choices: - nucleus mass - magnetic mass - atomic mass - molecular mass A:
Ans: molecular mass

Ques: Q: What is the ability to cause changes in matter? Read this paragraph and choose the correct option from the provided answers: Energy is the ability to cause changes in matter. For example, your body uses chemical energy when you lift your arm or take a step. In both cases, energy is used to move matteryou. Any matter that is moving has energy just because it's moving. The energy of moving matter is called kinetic energy. Scientists think that the particles of all matter are in constant motion. In other words, the particles of matter have kinetic energy. The theory that all matter consists of constantly moving particles is called the kinetic theory of matter . You can learn more about the theory at this URL: http://www. youtube. com/watch?v=Agk7_D4-deY . Choices: - force - hydrogen - pressure - energy A:
Ans: energy

Ques: Q: Antacids are bases that neutralize what in the digestive tract? Read this paragraph and choose the correct option from the provided answers: Antacids are bases that neutralize acids in the digestive tract. Magnesium hydroxide [Mg(OH)2] is one such antacid. It reacts with hydrochloric acid in the stomach according to the following reaction: Mg(OH)2 + 2HCl MgCl2 + 2H2O How many grams of HCl can a 200 mg dose of Mg(OH)2 neutralize?. Choices: - fats - hormones - salts - acids A:
Ans:
acids