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rosijanka [135]
3 years ago
7

Exam Guidelines

Biology
1 answer:
monitta3 years ago
3 0

Answer:

O B. Restriction enzymes

Explanation:

Restriction enzymes has the ability to recognize specific DNA sequences and cut them in a specific manner in order to produced by the bacteria as a defense mechanism against foreign DNA containing substance such as viruses etc. This restriction enzyme is also called restriction endonucleases. This is a cloning tool that bacteria produced naturally in order to defend itself from the infection of virus.

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Jason has five equally massed lead fishing weights, each weighing 250 grams. What is the total mass of the five lead fishing wei
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Answer:

1250 g=1.25 Kg

Explanation:

We are given that Jason has five fishes of equally massed lead fish weights.

Weigh of each fish =250 grams

We have to find the value of total mass of the five lead fishing weights

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In order to find the total mass we will use unitary method

Total mass is obtained by multiplying the total number of fishes with weight of one fish

Total mass=5\times 250

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Then 1250 g=\frac{1250}{1000}=1.25 Kg

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