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abruzzese [7]
3 years ago
14

An operon contains introns and exons. True False

Biology
1 answer:
PolarNik [594]3 years ago
6 0
True.An operon is a prokaryote. Its is a group of genes working together to make a specific protein.
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Which number represents water becoming water vapor in the hydrologic cycle diagram?
iogann1982 [59]

Answer:

1

Explanation:

Water vapor is produced from the evaporation (or boiling) of liquid water or from the sublimation of ice. Under typical atmospheric conditions, water vapor is continuously generated by evaporation and removed by condensation. so 1 is the correct answer

7 0
3 years ago
How could concentrating human populations in cities help to conserve agricultural and recreational lands
Levart [38]
<span>The concentration of many people into the small area, for example, A city lowers the overall footprint of the population in the region.

 Any pollution which results from people in a city can be isolated and treated more easily even than when people are being dispersed widely.
 Many cities outlined suburbs to have a lower concentration of people because it can complicate public transport and provision of services. </span>
3 0
3 years ago
Pls help me :) I'm not that great with this stuff xD
postnew [5]
Would the correct answer be A
4 0
3 years ago
DNA is the main hereditary material of all life. However, DNA lacks one important characteristic for the first forms of life. Wh
kow [346]

Answer:

The inability to function as catalyst.

Explanation:

DNA is the genetic material present in all organism except some viruses. DNA shows all the properties to work as the genetic material according to the today's environment.

Researchers believe that DNA was not the first genetic material in the early environment. The genetic material should have the catalytic activity in the early forms of life and DNA cannot work as the catalyst. The catalytic property of the genetic material is important in the early , rapid and changing environment. Hence, DNA was not the genetic material in early forms of life.

Thus, the answer is inability of DNA to function as catalyst.

3 0
3 years ago
2.) how do scientists predict the polarity of molecules?<br> Pls help?!!
Juliette [100K]

Electronegativity.

If the difference in electronegativity for the atoms in a bond is greater than 0.4, we consider the bond polar. If the difference in electronegativity is less than 0.4, the bond is essentially nonpolar.

8 0
3 years ago
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