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laila [671]
3 years ago
12

The half-life of an element (A) is 20,000 years. Another element (B) has a half-life of 100,000 years. Which of the following el

ements will be found in a higher concentration after 200,000 years?
Biology
1 answer:
SpyIntel [72]3 years ago
8 0

Answer:

A

Explanation:

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Restriction enzyme HinfI cleaves a five nucleotide DNA sequence GA(A/T)TC. The ambiguity in the central position - (A/T) - means
Afina-wow [57]

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C) 2.0 kb

Explanation:

It is given that out of the 4 nucleotides A, T, C & G each one has equal probability to occur at any position on the DNA molecule which simply means that the probability of occurrence of any nucleotide at a position is 1/4.

Also, it is given that probability of occurrence of either A or T at 3rd position is equal which means that the probability at that particular position will be 2/4 = 1/2.

Now, GA(A/T)TC is the DNA sequence where Restriction enzyme HinfI cleaves so the total probability of an average HinfI cleavage fragment will be = 1/4 x 1/4 x 1/2 x 1/4 x 1/4 = 0.00195 = 0.2 i.e. 2 kb.

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From the video we can infer that a group of friends went on an excursion to a zoo and saw the treatment of different animals present.

<h3>What is a Zoo?</h3>

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The debate between them was about the revolutionary concept of how animal treatment affects their choice selection in the zoo.

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