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Aliun [14]
3 years ago
7

HELP, URGENT!!!! What is the correct answer?

Biology
1 answer:
oksian1 [2.3K]3 years ago
7 0

I don't have the best background in this but I would say the 4th one because DNA structure has different builds and order such as,

  • Because there are four naturally occurring nitrogenous bases, there are four different types of DNA nucleotides: adenine (A), thymine (T), guanine (G), and cytosine (C).

  • DNA can be ordered in such way that our DNA could be ordered to that of spit so id say D

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Which of the following cell types would be more closely related to a human cell? plant
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Answer:

Plant

Explanation:

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What is the approximate perimeter of a semicircle with a radius of 6 cm?
aleksklad [387]
Value of pi = 3.14
Radius of the semicircle = 6 cm
Diameter of the semicircle = 6 * 2 cm
                                           = 12 cm
Perimeter of a semicircle = pi * Diameter *(1/2)
                                         = 3.14 * 12 * 1/2
                                         = 3.14 * 6
                                         = 18.84 cm
From the above deduction, we can conclude that the perimeter of the semicircle in question is 18.84 cm. I hope that this is the answer that has come to your desired help.
6 0
3 years ago
Around the year 1800, it was discovered that fossils are arranged in comparable patterns within the layers of the Earth. Name 3
frez [133]

Answer:

Study of comparative anatomy emerged in the 18th century and led to establishment of relationship between species based on the common traits

Explanation:

The three major events that occurred after this discovery are –  

a) Discovery of the fact that the age of earth is much higher than the age of earth as found in previous theories of continental drift theory

b) The age of the oldest fossils was determined and based on that relative age of all species (as found in fossils) was determined.  

c) The determination of age of fossil helped to find the gaps in the evolutionary tree and hence provoked search of these missing species.

The study of comparative anatomy started somewhere around 1800 when George Cuvier emerged as father of comparative anatomy

Based on comparative anatomy study, scientists such as Buffon and Lamarck worked on establishing relationship between species based on the common traits shared between them

5 0
3 years ago
A quantity of a gas has an absolute pressure of 400 kPa and an absolute temperature of 110 degrees kelvin. When the temperature
VMariaS [17]

Answer:  The new pressure of the gas is (A) 854.46 kPa.

The pressure of a given mass of gas at the absolute temperature 110 degrees K is 400 kPa.

The temperature is raised to 235 degrees K  with constant volume.

Therefore,

Initial pressure P_{1}=400kPa

Initial temperature T_{1}=110K

Final temperature T_{2}=235K

Final pressureP_{2}=?

According to pressure law of gas,

\frac{P_{1} }{T_{1} }=\frac{P_{2} }{T_{2} }     ( at constant volume)P_{2}=\frac{P_{1}T_{2} }{T_{1} }

P_{2}=\frac{400X235}{110}

P_{2}=854.46kPa

Thus, the required new pressure of the gas is 854.46 kPa.

5 0
3 years ago
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