TEAS 7 practice test science

Questions 108

ATI TEAS 7

ATI TEAS 7 Test Bank

TEAS 7 practice test science Questions

Question 1 of 5

What cellular process ensures the accurate transmission of genetic material during cell division?

Correct Answer: A

Rationale: Mitosis is the correct answer. Mitosis is the process by which somatic cells divide to produce two identical daughter cells. During mitosis, the genetic material is accurately replicated and distributed to ensure each daughter cell receives a complete set of chromosomes. This process is crucial for growth, repair, and maintenance of multicellular organisms. Meiosis, on the other hand, is the type of cell division that occurs in germ cells to produce gametes (sperm and egg cells), focusing on genetic diversity through recombination and reduction of chromosome number. Replication is the process of copying DNA to produce an identical copy, essential for cell division but not the specific process ensuring accurate genetic material transmission. Transcription involves copying DNA into RNA, crucial for gene expression but not directly related to the accurate transmission of genetic material during cell division.

Question 2 of 5

What happens to the concentration of hydrogen ions (\([H^+]\)) in a solution as the pH increases?

Correct Answer: B

Rationale: As the pH increases, the concentration of hydrogen ions decreases. The relationship is inversely proportional

Question 3 of 5

When light reflects from a surface, what determines the angle of reflection?

Correct Answer: C

Rationale: The angle of reflection is determined by the angle of incidence according to the law of reflection, which states that the angle of incidence is equal to the angle of reflection. When light reflects off a surface, the angle at which it strikes the surface (angle of incidence) is the key factor in determining the angle at which it reflects (angle of reflection). The material of the surface, the wavelength of the light, and the intensity of the light do not directly influence the angle of reflection in this context. Therefore, the correct answer is the angle of incidence (Choice C). The material of the surface (Choice A) does affect other properties like reflectivity but does not directly determine the angle of reflection. The wavelength of the light (Choice B) determines its color or frequency but not the angle of reflection. The intensity of the light (Choice D) is related to the brightness of the light but does not dictate the angle at which light reflects from a surface.

Question 4 of 5

What cellular process ensures the accurate transmission of genetic material during cell division?

Correct Answer: A

Rationale: Mitosis is the correct answer. Mitosis is the process by which somatic cells divide to produce two identical daughter cells. During mitosis, the genetic material is accurately replicated and distributed to ensure each daughter cell receives a complete set of chromosomes. This process is crucial for growth, repair, and maintenance of multicellular organisms. Meiosis, on the other hand, is the type of cell division that occurs in germ cells to produce gametes (sperm and egg cells), focusing on genetic diversity through recombination and reduction of chromosome number. Replication is the process of copying DNA to produce an identical copy, essential for cell division but not the specific process ensuring accurate genetic material transmission. Transcription involves copying DNA into RNA, crucial for gene expression but not directly related to the accurate transmission of genetic material during cell division.

Question 5 of 5

What is the process by which damaged muscle tissue repairs and rebuilds itself?

Correct Answer: B

Rationale: Regeneration is the correct answer. It is the process by which damaged muscle tissue repairs and rebuilds itself. New muscle cells are formed during regeneration to replace the damaged ones, allowing the muscle to heal and regain its function. Degeneration refers to tissue breakdown, hyperplasia is the increase in the number of cells in an organ or tissue, and metaplasia is the transformation of one type of tissue into another.

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