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shusha [124]
3 years ago
15

Explain the difficulties in developing antiviral drugs against dna viruses, when compared to rna viruses.

Biology
1 answer:
Juli2301 [7.4K]3 years ago
5 0
The  DNA   virus  uses  nucleus  of  the  host  to  replicate it  genetic  material since  it  lack reverse  transcriptase enzyme.The similarities between  the  DNA virus  with human  protein it  make  difficult  to  treat  this  virus without  damaging  the  host cell.
                    while
RNA  virus  has  reverse  transcriptase  enzyme which  is  used to  replicate  its  genetic material,  but  it  lack  ability  to check  errors,  which  led  to  higher mutation  rate.The  transcriptase  enzyme  is  used  to make vaccine  which  is  used  to treat  RNA  virus
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A molecule with the formula C18H36O2, would probably exhibit which of the following characteristics?
Mashcka [7]
The answer would be A—the molecular formula given is that of a long-chain, saturated fatty acid, which would be insoluble in water (i.e., hydrophobic).

—————————

B describes carbohydrates, which can function as a storage of energy (e.g., starch or glycogen) or structural components (e.g., cellulose). The three examples just given are polymers of glucose, a monosaccharide; monosaccharide generally have the empirical formula CH2O; this is not the empirical formula of the given molecule (and, in any case, there are too few oxygen atoms for the number of carbon atoms), and so B is incorrect.

C describes an amino acid, likely an α-amino acid, which consist of a central, saturated carbon bonded to amino (—NH2) and carboxyl (—C(=O)OH) functional groups and a variable side chain, which determines the amino acid’s properties. Since the formula of an amino acid must contain nitrogen, which the formula given doesn’t have, the molecule couldn’t be an amino acid, and so C is incorrect.

D describes nucleic acids. Examples include DNA and RNA; nucleic acids and the nucleotide monomers that comprise them contain a nitrogenous base and a phosphate group. The given molecule’s formula has neither nitrogen nor phosphorus, and so cannot represent an amino acid, making D incorrect.
7 0
2 years ago
Which of the following statements is accurate?
Musya8 [376]

Answer: c. the wavelength of both transverse and longitudinal waves is measured parallel to the direction of the travel of the wave.

Explanation:

The wavelength is simply the distance that takes place between two successive troughs fir a particular wave. It is calculated as:

Velocity / Frequency.

From the statement given, the option that is accurate is that the wavelength of both transverse and longitudinal waves is measured parallel to the direction of the travel of the wave.

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WITCHER [35]

Answer:

Nutrition

Explanation:

--------------------

8 0
3 years ago
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A student visits the beach during a very hot day. She steps on the sand and jumps because it is so hot
Mama L [17]

Answer:

A student visits the beach during a very hot day. She steps on the sand and jumps because it is so hot as a result of "conduction."

Explanation:

The process of the conduction happens because of the flow of kinetic energy from one molecule to the other by direct contact.  When she first steps the beach on the hot sand, after that the energy moves from the hot sand to the cooler body by conduction. While walking on the sand for few time, the feet will feel hot. The movement of the heat takes place from the hot sand to the bottom of the feet by conduction. When the objects come in contact with each other the heat transfers as a result of conduction.

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