teas 7 science study guide free

Question 1 of 5

What is the difference between a germline mutation and a somatic mutation?

A. Germline mutations are passed to offspring, while somatic mutations are not. B. Germline mutations occur in reproductive cells, while somatic mutations occur in body cells. C. Germline mutations only affect genes, while somatic mutations can affect any DNA. D. Germline mutations are always beneficial, while somatic mutations are always harmful.

Question 2 of 5

What is the Aufbau principle?

A. The principle that electrons fill orbitals in order of increasing energy. B. The principle that electrons cannot occupy the same orbital with the same spin. C. The principle that the maximum number of electrons in an orbital is 2n^2, where n is the energy level of the orbital. D. The principle that the attractive force between an electron and the nucleus is inversely proportional to the distance between them.

Question 3 of 5

What are the four main types of macromolecules that are essential for life?

A. Carbohydrates, lipids, proteins, and nucleic acids B. Carbohydrates, proteins, fats, and vitamins C. Minerals, vitamins, proteins, and fats D. Carbohydrates, lipids, proteins, and hormones

Question 4 of 5

What is the difference between emphysema and chronic bronchitis, both chronic obstructive pulmonary diseases (COPD)?

A. Emphysema damages alveoli, while chronic bronchitis inflames airways. B. Emphysema causes coughing, while chronic bronchitis leads to shortness of breath. C. Emphysema is more reversible than chronic bronchitis. D. Emphysema affects only smokers, while chronic bronchitis can occur in non-smokers.

Question 5 of 5

Acids are generally characterized by a sour taste and the ability to:

A. Turn litmus paper red B. Conduct electricity in solution C. Neutralize bases D. React explosively with metals

TEAS 7 science study guide free

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ATI TEAS 7

ATI TEAS 7