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’

Therefore, the Correct Answer is B.

Q #1: Which of these organs is not considered an accessory digestive structure?

A. mouth

B. salivary glands

C. pancreas

D. liver

Answer Explanation

Accessory organs of the digestive system comprise of organs that empty secretions into the alimentary canal. These organs include salivary glands, liver, gallbladder and pancreas. The mount if path of the alimentary canal.
Q #2: An atom of lead (Pb) has a mass number of 207. How many neutrons are in the nucleus?

A. 130

B. 125

C. 82

D. 84

Answer Explanation

We find the number of neutrons as follows

Number of neutrons

            = mass number – atomic number

            = 207 – 82

            = 125 neutrons
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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If a portion of strand of DNA bases reads 5’ AGCTAGCGT 3’, what would the sequence of bases on the complementary strand read?

More Questions on TEAS 7 Science

Q #1: Which of these organs is not considered an accessory digestive structure?

Answer Explanation

Q #2: An atom of lead (Pb) has a mass number of 207. How many neutrons are in the nucleus?

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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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?

More Questions on TEAS 7 Science

Q #1: Which of these organs is not considered an accessory digestive structure?

Answer Explanation

Q #2: An atom of lead (Pb) has a mass number of 207. How many neutrons are in the nucleus?

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

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TEAS 7 Exams (Q&A)

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

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?