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yanalaym [24]
3 years ago
12

The usefulness of blotting techniques in molecular biology is that

Physics
1 answer:
densk [106]3 years ago
3 0

Answer:

Transferred material is in the same relative position on the disk as on the original sample

Explanation:

The usefulness of blotting techniques in molecular biology is that transferred material is in the same relative position on the disk as on the original sample

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If the half-life of tritium (hydrogen-3) is 12.3 years, how much of
tatyana61 [14]

Answer:

0.0000076 grams

Explanation:

We're given the half life of Tritium to be 12.3 years. In order to find out the amount of substabce remaining:

Let's first find how many 'half lives' are in 250 years.

n =  \frac{250}{12.3}  = 20.325

Now what is half life? It means the time taken for a given quantity of an element to lose half it's mass.

So in 12.3 years we can find that The amount of 250 g of Tritium will be 250/2 = 125 g. In 24.6 years we'll have 125/2 = 62.5 g

So now we can devise a formula:

m =  \frac{original \: amount}{ {2}^{n} }

Where m is the remaining amount and n is th number of half lives in the time given.

Using this formula we can calculate:

m =  \frac{10}{ {2}^{20.325} }

Doing this calculation we get:

m = 0.0000076 \: g

As we can see a very small value remains.

4 0
3 years ago
Sherry and Ellen are talking about the factors that affect light scattering in the atmosphere. Sherry says one factor is the len
Delvig [45]

Sherry who says one factor is the length of the path of sunlight is correct.

<h3>Factors affecting light scattering</h3>

There are two main factors which affects light scattering, and they include the following;

  1. the size of the particles
  2. wavelength of the light

length of the path of sunlight is equivalent to wavelength of the light.

Thus, we can conclude that Sherry who says one factor is the length of the path of sunlight is correct.

Learn more about light scattering here: brainly.com/question/1381101

#SPJ1

3 0
1 year ago
Vygotsky’s theory of cognitive development states that an individual constructs knowledge primarily through interaction with imp
defon

Answer:

false

Explanation:

trust me i j took the test

4 0
3 years ago
Read 2 more answers
Calculate the distance in km that Charlie runs if he maintains the average speed from question 2 for 1 hour
egoroff_w [7]
Sorry, but what is question 2?
5 0
3 years ago
Read 2 more answers
How are magnetic force and distance from an object related
guapka [62]

Answer:

Magnetic force obeys an inverse square law with distance

Explanation:

6 0
3 years ago
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