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Dmitry_Shevchenko [17]
3 years ago
5

Ms. Lasater spent $16.50 on 8 whiteboard

Biology
1 answer:
spayn [35]3 years ago
8 0

<u>20 markers will cost Ms. Lasater $41.25.</u>

<h3>Proportion</h3>

This is a topic in mathematics that treats a value as a part of the entire data.

In the question given, we were asked to find the cost of 20 markers.

Data given;

  • 8 markers is sold for $16.50

To solve this problem, we can either find the cost of one markers and multiply the value by 20 to get the cost of 20 or simply set an equation to find the cost of 20 markers.

Let the cost of 20 markers be represented by x

8 marker = 16.5\\20 markers = x\\

cross multiply both sides and solve for x

20 * 16.50 = 8x\\330 = 8x\\8x/8 = 330/8\\x = 41.25

20 markers will cost $41.25

From the calculation above, we have the follow data

  • 8 markers costs $16.50
  • 20 markers cost $41.25

Learn more on proportions here;

brainly.com/question/1781657

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The Okazaki fragment moves the lagging strand away from the replication fork 5' --> 3'.

<h3>What does Okazaki Fragment do?</h3>
  • Okazaki fragments are small stretches of DNA formed during discontinuous lagging strand synthesis during DNA replication. They are important because they allow the synthesis of both daughter strands required for cell division.
  • DNA polymerases are enzymes involved in DNA replication. It synthesizes DNA only in the 5'-3' direction. However, double-stranded DNA is antiparallel, so DNA synthesis should occur in both directions. Thus, Okazaki fragments are formed during synthesis of the lagging template strand.
<h3>What is difference between leading and lagging strands?</h3>

The main difference between leading and lagging strands is that the leading strand is the DNA strand that grows continuously during DNA replication whereas the lagging strand grows discontinuously by forming short segments known as Okazaki fragments.

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8 0
1 year ago
Because of genetic variation, a species of beetle has two different body colors, red and green. This species exists in a grassy
pshichka [43]

Answer:

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3. Red beetles are eaten by birds, but green beetles aren’t eaten.

4. Green beetles pass on their color trait to future offspring.

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According to the theory of natural selection, only those species survives which fits closely with their environment. According to the conditions given, there are two genetic variations of the same species based on the color, i.e. green and red. Initially, both red and green are living together in a grassland (green in color). Then, birds enter the same environment because they have food there (beetles). Now, green beetles will take a competitive advantage because of the color and avoid getting eaten by the birds. However, red beetles would be prominent and eaten fast. The green beetles will pass on their genetic variation causing the color to be green in their future offspring and a time will come when there will be on green beetles in the area.

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