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emmasim [6.3K]
2 years ago
13

Willing to give 40 points

Biology
1 answer:
Vikentia [17]2 years ago
8 0

Greenhouse effect happens when gases in the Earth's atmosphere capture the heat of the Sun. The Earth is substantially warmer as a result of this process than it would be if it didn't have an atmosphere.

Some examples of greenhouse gases are:

  • carbon dioxide
  • methane
  • nitrous oxide
  • water vapor
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Which of the following biomolecules would be the preferred dietary intake molecule the day before a long distance runner is sche
kicyunya [14]
The biomolecule that would be the preferred dietary intake molecule the day before a long distance runner is scheduled to compete in an event is Carbohydrates. The answer is option B. Carbohydrates are considered as the base diet among athletes because it can give almost half of the energy needed especially in high intensity activities or sports. It is considered as a good fuel for athletes that can be easily replenished.
4 0
3 years ago
A patient has severe acne that has been refractory to treatment. The patient is taking tetracycline and using topical tretinoin
Degger [83]

Answer:

The correct answer is option c. "Tetracycline must be discontinued before beginning the isotretinoin".

Explanation:

Isotretinoin is a medication used to treat cases of severe acne, having dramatic positive effects since the patients start the treatment. However, the use isotretinoin should be monitored by a doctor because it is hard to process and could cause renal side effects. In this case, the patient must discontinue its treatment with tetracycline before start using isotretinoin.

7 0
3 years ago
Scientists seeking to determine which molecule is responsible for the transmission of characteristics from one generation to the
worty [1.4K]
A) DNA fulfils all three conditions:
<span>(1) copy itself precisely - in the process of replication, DNA copies itself and two molecules of DNA are formed. This process is very precise thanks to the great number of proteins involved in these process that prevents error occurring and proteins that can fix the error if it occurs.
(2) be stable but able to be changed - DNA is very stable molecule otherwise, it cannot be a genetic material. However, its chains can separate in a short length so the translational machinery can attach to it and the process of transcription can occur. Also, in crossing over, during meiosis, </span>the exchange of genetic material occurs and chromosomes change a bit.<span>
(3) be complex enough to determine the organism’s phenotype - it contains a number of genes responsible for different traits. All of this results in the </span>organism’s phenotype.


B) DNA copies itself. <span>Meselson and Stahl conducted the experiments on DNA replication in which they used </span>E. coli<span> bacteria as a model system. After they labelled all bacteria's DNA with heavy 15N by using medium with heavy 15N, they switched bacteria to medium with light 14N. After several generations, all bacteria's DNA was labelled with light 14N. This experiment evidenced that the self-replication of DNA is semi-conservative process.</span>
5 0
3 years ago
H2=3.4g+O2=10g —&gt; H2O= ?
tangare [24]

Answer:

mass of  1  mole of  H 2 = 3.4 g + O 2 = 10 g → H 2 O = 3614.35999774 g

Explanation:

6 0
3 years ago
Kii6ikyullkyjk,j.kl;iolkklll
Sergio [31]

Answer:

huh

Explanation:

.

4 0
2 years ago
Read 2 more answers
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