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Nursing Elites

ATI TEAS 7

Biology

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

Correct answer: A

Rationale: These four types of macromolecules are the building blocks of life and play essential roles in various cellular processes. Carbohydrates: Carbohydrates are the primary energy source for cells and provide structural support for cell membranes and other cellular components. They are composed of carbon, hydrogen, and oxygen atoms and are classified into monosaccharides (simple sugars), disaccharides (double sugars), and polysaccharides (complex sugars). Lipids: Lipids are a diverse group of molecules that include fats, oils, and waxes. They are composed of carbon, hydrogen, and oxygen atoms and are insoluble in water but soluble in nonpolar solvents. Lipids serve as energy storage molecules, provide insulation for cells and organs, and are essential components of cell membranes. Proteins: Proteins are complex molecules composed of amino acids linked together by peptide bonds. They are responsible for a vast array of cellular functions, including structural support, enzymatic catalysis,

2. What is the strongest evidence for evolution?

Correct answer: D

Rationale: Rationale: A) The fossil record provides evidence of how organisms have changed over time, showing transitional forms and the progression of species. B) Comparative anatomy involves studying the similarities and differences in the structures of different species, which can reveal common ancestry and evolutionary relationships. C) Biogeography examines the distribution of species around the world, which can be explained by evolution and continental drift. By considering all of the above evidence together, scientists can build a comprehensive understanding of evolution and how species have changed and diversified over time.

3. A block slides down a frictionless inclined plane. What determines its final velocity at the bottom?

Correct answer: B

Rationale: In the absence of friction, the final velocity depends only on the gravitational potential energy gained, which is determined by the height difference related to the angle of the incline.

4. The phrase "green alternative" suggests that bioremediation is...

Correct answer: C

Rationale: The passage contrasts bioremediation with "traditional methods," explicitly linking it to being environmentally friendly.

5. What is the best way to revise the sentence: "Her eyes glistened with tears in the moonlight"?

Correct answer: C

Rationale: Option C rearranges the elements for smoother flow and emphasis on the tears.

6. Which part of the brain is responsible for regulating body temperature, hunger, and thirst, and is considered a key player in the endocrine system?

Correct answer: c

Rationale: The correct answer is C: Hypothalamus. The hypothalamus is a small region in the brain that plays a crucial role in maintaining homeostasis by regulating body temperature, hunger, and thirst. It also serves as a key player in the endocrine system by controlling the release of hormones from the pituitary gland. The amygdala is responsible for processing emotions and memory, the hippocampus is involved in memory formation and retrieval, and the thalamus acts as a relay station for sensory information. Therefore, the hypothalamus is the most appropriate choice for the functions described in the question.

Similar Questions

Which part of the brain is responsible for regulating body temperature, hunger, and thirst, and is considered a key player in the endocrine system?
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What is the term for a solution with a pH value less than 7?
Bradycardia refers to a heart rate that is:

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