ATI TEAS 7 science review

ATI TEAS 7 science review Related

Review ATI TEAS 7 science review related questions and content

Which of the following is NOT a type of asexual reproduction in bacteria?

  • A. Binary fission
  • B. Conjugation
  • C. Budding
  • D. Transduction
Correct Answer: D

Rationale: A) Binary fission: This is a common method of asexual reproduction in bacteria where a single cell divides into two identical daughter cells.
B) Conjugation: This is a process in which genetic material is transferred between bacterial cells through direct cell-to-cell contact, leading to genetic recombination.
C) Budding: Budding is a form of asexual reproduction where a new organism develops from an outgrowth or bud on the parent organism.
D) Transduction: Transduction is a method of horizontal gene transfer in bacteria where genetic material is transferred from one bacterium to another by a bacteriophage (a virus that infects bacteria). It is not a form of asexual reproduction in bacteria.

Therefore, the correct answer is D) Transduction, as it is not a type of asexual reproduction in bacteria but a mechanism of genetic exchange.

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How does polarization affect the intensity of light passing through a polarizing filter?

  • A. All light passes through regardless of polarization.
  • B. Light with the same polarization as the filter passes through, while others are blocked.
  • C. Light with higher intensity passes through, while weaker light is blocked.
  • D. The intensity is reduced for all light, regardless of polarization.
Correct Answer: B

Rationale: A polarizing filter only allows light waves with a specific orientation (polarization) to pass through while blocking light waves with different orientations. Therefore, light with the same polarization as the filter will pass through, while light with different polarizations will be blocked. This results in a reduction in intensity for light passing through the polarizing filter. Choice A is incorrect because a polarizing filter selectively filters light based on its polarization. Choice C is incorrect as the intensity of light passing through is determined by its polarization, not solely its intensity. Choice D is incorrect because a polarizing filter affects light based on its polarization, not uniformly reducing the intensity for all light passing through.

How are kidney stones formed?

  • A. Due to excess water not being reabsorbed
  • B. When minerals crystallize in the urine
  • C. When electrolytes become too concentrated
  • D. All of the above
Correct Answer: B

Rationale: Kidney stones are formed when minerals in the urine crystallize and stick together to form solid masses. Excess water not being reabsorbed (option A) does not directly contribute to kidney stone formation. Similarly, electrolytes becoming too concentrated (option C) is not a direct cause of kidney stone formation. The correct answer is B because the crystallization of minerals in the urine leads to the formation of kidney stones.

How does an increase in mass affect the force required to produce the same acceleration on an object?

  • A. Increases force required
  • B. Decreases force required
  • C. Has no effect on force required
  • D. Causes unpredictable changes in force required
Correct Answer: A

Rationale: The correct answer is A, 'Increases force required.' According to Newton's second law of motion, force is directly proportional to mass and acceleration (F = ma). Therefore, an increase in mass will require an increase in force to produce the same acceleration on an object. Choice B is incorrect because an increase in mass does not decrease the force required; it increases it. Choice C is incorrect as increasing mass does affect the force required. Choice D is incorrect as the relationship between mass and force is predictable according to Newton's laws of motion.

Bile, a digestive juice, is produced by which organ?

  • A. Stomach
  • B. Liver
  • C. Pancreas
  • D. Small intestine
Correct Answer: B

Rationale: Bile is a digestive juice produced by the liver. It is stored in the gallbladder and released into the small intestine to aid in the digestion and absorption of fats. The stomach (Choice A) produces gastric juices, not bile. The pancreas (Choice C) produces digestive enzymes and bicarbonate but not bile. The small intestine (Choice D) is where bile is released to aid in digestion but is not the organ that produces bile.

Identify the organ responsible for blood filtration.

  • A. Liver
  • B. Kidneys
  • C. Spleen
  • D. Pancreas
Correct Answer: B

Rationale: The correct answer is B: Kidneys. The kidneys are the organs responsible for blood filtration in the human body. They filter waste products and excess substances from the blood to produce urine. The liver is primarily involved in detoxification and metabolism, the spleen functions in immune responses and blood storage, and the pancreas aids in digestion and blood sugar regulation. Therefore, choices A, C, and D are incorrect as they do not primarily serve the function of blood filtration.

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