If the DNA sequence reads TAT, what is the mRNA codon?

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Answer 1
Answer: The complement of the DNA is ATA, but in mRNA Thymene is replaced by Uracil so it will be AUA.

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Which would least likely be seen on an information pamphlet for red tide? People tend to stay out of the water in the area of a red tide. People are warned to avoid eating shrimp and lobster. People are making an effort to protect coastal areas from pollution. People with respiratory conditions may be affected.
Please helppooppp its 100 points
Which statement about endotherms and ectotherms is correct?1. Endotherms are regulators while ectotherms are conformers2. Endotherms have higher energetic demands compared to ectotherms.3. Endotherms spend more energy on internal temperature regulation compared to ectotherms.4. Endothermy is more common among animal phyla than ectothermy.5. At the cellular level, endotherms cells always produce more ATP and more heat.
What happens to time as you travel close to the speed of light?
Which of the following is true about renewable resources?A. They can be replaced by a healthy environment. B. There are plenty for people to use, but only for a very short time. C. Using them will hurt the environment. D. They cannot be replaced after they are used up.

Cubes have sides of equal lengths. What is the fastest way to measure the volume of a cube-shaped table?

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Answer: I think the answer is B. measure one side with a ruler, and multiply that number by itself three times.

Explanation:

Answer;

-Measure one side with a ruler, and  then cube it, or in other words multiply that number by itself and then by itself again.

Explanation;

-Volume is the quantity of three-dimensional space enclosed by a closed surface, for example, the space that a substance or shape occupies or contains.

- Volume is measured in cubic units, such as the cubic meters, cubic centimeters. The SI units of volume is cubic meters.

A cube has all edges (sides) of the same length.  The volume of a cube is found by multiplying the length of any edge by itself twice.


Explain the process of desertification. Include an example of an event that can cause desertification and describe the changes that occur as desertification takes place. Finally, explain the end result of this process.

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Ok so let me help you with this: Desertification is the process in which an environment becomes drier in climate, typically causing plant and animal life to decrease significantly. Researchers have found that areas around current deserts are becoming desertified, therefore expanding the desert. Areas that may have once had adequate rain may now not receive much rain at all, causing desertification. I know this is going to be useful 

9/27/18

Desertification is when an environment becomes drier, like a desert.The Dry climate causes plant life to decrease, which causes pray life to decrease, which causes predators life to decrease. This significant change is vary harmful to the environment. This can happen to any environment. Deserts expand when this happens to deserts.

If a chemical reaction is reversed, what happens to the enthalpy of the reaction?A. The enthalpy of the reaction becomes zero.

B. The enthalpy of the reaction doubles.

C. The sign of the enthalpy of the reaction reverses.

D. The enthalpy of the reaction is halved.

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Answer:   C. The sign of the enthalpy of the reaction reverses.

Explanation: Enthalpy of a reaction is the net heat absorbed or released  during a chemical reaction.It is represented by \Delta H. It is negative for exothermic reactions in which heat is released and is positive for endothermic reactions in which heat is absorbed.

When a chemical reaction is reversed the heat of the reaction changes its sign.

CaCO_3\rightarrow CaO+CO_2   \Delta H=+ve

The decomposition of calcium carbonate is an endothermic reaction as heat is required to break the bonds and thus energy is absorbed.

CaO+CO_2\rightarrow CaCO_3    \Delta H=-ve

When the reaction is reversed, the reaction becomes exothermic as now bonds are getting formed and energy is released.

in a chemical reaction is reversed, the one that happens to the enthalpy of the reaction is : C. The sign of the enthalpy of the reaction reverses

It's one of Hess' Law : reversing an equation means reversing the sign of entalphy value

Hope this helps

Which theory says that populations change slowly over time?The theory of evolution
The theory of natural selection
The cell theory
Theory of extinctions

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the theory of evolution!

What is the most commonly spoken language in the Sahara?Arabic
Berber
Beja
English

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Arabic is the most commonly spoken language in the Sahara.

The Sahara is an African desert that is inhabited by several people (about 2.5 million) from different origin and with different languages. Arabic is the most commonly spoken language in the Sahara. Other languages include Berber, Beja and Guanche. The Sahara contains 11 countries which include Sudan, Morocco, Niger, Chad, Mali and Libya and it is very large with a land area of about 9,400,000 square kilometers.

The Arabic for sure , cause most of the countries are Muslims Arabs

Read the following statements that describe what happens as an impulse travels. What is the correct order in which the steps occur? 1) The impulse continues to travel down the axon away from the cell body. 2) Na+ gates close and K+ ions flow back out of the cell restoring the resting potential. 3) Gated K+ and Na+ channels are closed. The inside of the cell is slightly negative compared to the outside. 4) The neuron receives a stimulus great enough to start an impulse. 5) Gated Na+ channels open. The net movement of Na+ ions into the cell produces the action potential..

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Answer:

4) The neuron receives a stimulus great enough to start an impulse.

5) Gated Na+ channels open. The net movement of Na+ ions into the cell produces the action potential..

2) Na+ gates close and K+ ions flow back out of the cell restoring the resting potential.

1) The impulse continues to travel down the axon away from the cell body.

3) Gated K+ and Na+ channels are closed. The inside of the cell is slightly negative compared to the outside.

I believe that the order is 4,5,2,3. 1 can fit anywhere after the neuron receives a signal strong enough to start an action potential. Once an action potential is generated at voltage gated channels it results in a stimulus of surrounding neurons.