Which of the following are used to determine a person’s DNA sequence?

A. Genes

B. Enzymes

C. Hormones

D. Blood types

Answer Explanation:

A gene is the basic physical and functional unit of heredity and it is the DNA that make up genes. Enzymes are biological catalysts that speed up metabolic and cellular reactions in our bodies. Hormones are responsible for controlling the action of certain cells or organs in our bodies. Blood types are of four types, A, B, AB, and O.

Therefore, the Correct Answer is A.

Q #1: Base your answer on the graph and on your knowledge of biology. Which is a true statement about the relationship between pH and enzyme action?

A. All enzymes work best at a neutral pH.

B. Adding more acid does not affect the rate of activity of an enzyme.

C. Enzymes function only in a pH range of 4.0 to 5.5.

D. The activity of an enzyme is affected by pH.

Answer Explanation
Q #2: A myocardial infarction affects which of the following blood vessels of the heart?

A. Aorta

B. Vena cava

C. Pulmonary

D. Coronary

Answer Explanation

A myocardial infarction refers to heart attack, which result from blockage of blood flowing into the heart.

Blocking is caused by the deposition of fat or cholesterol that forms plaque on the surface of coronary arteries, which supply blood to the heart.
Q #3: If a portion of strand of DNA bases reads 5’ AGCTAGCGT 3’, what would the sequence of bases on the complementary strand read?

A. 5’ UCGAUCGCA 3’

B. 3’ TCGATCGCA 5’

C. 5’ TCGUTCGCU 3’

D. 3’ AGCTAGCGT 5’

Answer Explanation

The complimentary base pairing of DNA states that A pairs with T while C pairs with G. From the give sequence, the complimentary DNA strand will be 3’ TCGATCGCA 5’

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Which of the following are used to determine a person’s DNA sequence?

More Questions on TEAS 7 Science

Q #1: Base your answer on the graph and on your knowledge of biology. Which is a true statement about the relationship between pH and enzyme action?

Answer Explanation

Q #2: A myocardial infarction affects which of the following blood vessels of the heart?

Answer Explanation

Q #3: If a portion of strand of DNA bases reads 5’ AGCTAGCGT 3’, what would the sequence of bases on the complementary strand read?

Answer Explanation

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Which of the following are used to determine a person&rsquo;s DNA sequence?

More Questions on TEAS 7 Science

Q #1: Base your answer on the graph and on your knowledge of biology. Which is a true statement about the relationship between pH and enzyme action?

Answer Explanation

Q #2: A myocardial infarction affects which of the following blood vessels of the heart?

Answer Explanation

Q #3: If a portion of strand of DNA bases reads 5&rsquo; AGCTAGCGT 3&rsquo;, what would the sequence of bases on the complementary strand read?

Answer Explanation

Free Access on TEAS 7 Exams and Study Notes

TEAS 7 Exams (Q&A)

TEAS 7 Study Notes

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Which of the following are used to determine a person’s DNA sequence?

Q #3: If a portion of strand of DNA bases reads 5’ AGCTAGCGT 3’, what would the sequence of bases on the complementary strand read?