which of the following structures connects muscle to bone
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ATI TEAS 7

Science TEAS Practice Test

1. Which of the following structures connects muscle to bone?

Correct answer: B

Rationale: Tendons are the correct answer as they are fibrous structures that connect muscle to bone, enabling the transmission of force during movement. Ligaments, on the contrary, connect bone to bone, aiding in joint stability. Muscles contract to generate force and facilitate movement, while bones provide structural support and protect internal organs.

2. Which level of protein structure is defined by the folds and coils of the protein's polypeptide backbone?

Correct answer: B

Rationale: The correct answer is B: Secondary. The secondary structure of a protein is defined by the folds and coils of the protein's polypeptide backbone. This level of structure is characterized by the formation of alpha helices and beta sheets, which are stabilized by hydrogen bonds between amino acids along the polypeptide chain. Choice A, Primary, refers to the linear sequence of amino acids in the protein. Choice C, Tertiary, involves the 3D folding of the entire polypeptide chain. Choice D, Quaternary, pertains to the arrangement of multiple polypeptide subunits in a protein complex.

3. What can one reasonably conclude from the final comment of this passage? 'If he be Mr. Hyde,' he had thought, 'I should be Mr. Seek.'

Correct answer: D

Rationale: The correct answer is D. The speaker's final comment indicates a determination to keep looking for Hyde, as he expresses his intention to become 'Mr. Seek' if the other person is indeed 'Mr. Hyde.' This shows that the speaker is persistent in his search for Hyde, as he believes that discovering Hyde's identity could potentially unravel the mystery and clarify his friend's strange behavior. Choices A, B, and C are incorrect because the final comment does not imply a name change, an identity crisis, or a mistaken search but rather a firm decision to continue seeking out Hyde.

4. What is the shape of the DNA molecule?

Correct answer: C

Rationale: The correct answer is C: Double helix. The shape of the DNA molecule is a double helix, a structure first described by James Watson and Francis Crick in 1953. This shape consists of two strands twisted around each other in a spiral. The double helix structure allows DNA to be compactly stored within the cell nucleus and provides stability to the molecule. Options (A) Linear, (B) Circular, and (D) Straight chain are incorrect as they do not accurately represent the shape of the DNA molecule. DNA is not linear but rather forms a twisted double helix; it is not circular like a ring but has a spiral structure, and it is not a straight chain but a twisted ladder-like structure.

5. What defines an integer?

Correct answer: A

Rationale: An integer is a whole number that can be positive, negative, or zero. It does not include fractions or decimals. Choice B, 'A number with a decimal point,' is incorrect because integers do not have decimal points. Choice C, 'A fraction,' is incorrect because integers are not expressed as ratios of two integers. Choice D, 'A percentage,' is incorrect because integers are not necessarily related to proportions out of 100.

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