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3 years ago

The varicella virus is a common childhood virus that causes chicken pox. Shingles, a disease also

Biology

1 answer:

Ratling [72]3 years ago

5 0

Answer:

The correct option is : It undergoes a lysogenic cycle.

Explanation:

A virus can replicate inside a host cell by two process :

Lytic cycle

Lysogenic cycle

In the lytic cycle, the viral DNA makes copies of itself and manufactures the viral machinery inside the host cell. Eventually, the host cell bursts causing the release of the viruses. In such a condition the varicella virus would cause chicken pox.

In the lysogenic cycle, the DNA of a virus get incorporated into the DNA of the host. The viral DNA might replicate when conditions become favourable and cause diseases. In such a condition, the varicella virus would cause shingles.

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awad k, young s, aswath p, varanasi v: interfacial adhesion and surface bioactivity of anodized titanium modified with sion and

Katyanochek1 [597]

Interfacial adhesion and surface bioactivity of anodized titanium modified with SiON and SiONP surface coatings, The statement is correct.

<h3>what is adhesion ?</h3>

Adhesion is a type of attraction between two dissimilar phases, the theory of adhesion can be up two types mechanical interlocking and physical and chemical bonding and it is a combination of three methods.

Mechanical interlocking means when two dissimilar phases interact with one another by mechanical forces, requires a rough surface where the other material can enter.

Physical bonding includes van der Waals forces and the strength is rather weak and unable to contribute that much bonding strength.

Chemical bonding consist of covalent, ionic and metallic bonding which are more stronger than physical bonds and are responsible for cohesive forces.

chemical bonding between two dissimilar materials is more complicated due to the presence of few available bonding sites.

Learn more about adhesion, here:

brainly.com/question/1466787

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7 0

1 year ago

Zooplankton populations in Lake Erie and the Hudson River have declined by up to 70% since the arrival of zebra mussels because

sveticcg [70]

Answer:

Zebra mussels feed on phytoplankton, which zooplankton need as a food source.

Explanation:

The population of zooplankton in Lake Erie and the Hudson River declined due to the arrival of zebra mussels because Zebra mussels feed on phytoplankton, which is the main source food of zooplankton. So due to limited or scarcity of food in the environment, the zooplankton die due to hunger that leads to the decrease of population of zooplankton in that environment.

6 0

3 years ago

How many ATP's are required to start glycolysis anf how many ATP's are produced?

Digiron [165]

4 overall ATP's

2 are used

Leaving 2 for a net production of ATP's

7 0

3 years ago

50 word summary: cancer

igomit [66]

Cancer is a complex group of diseases that occurs when cells grow out of control and crowd out normal cells. While going through the cell cycle, cells that are not properly produced commit apoptosis, which is controlled cell death. If a bad cell does not commit apoptosis, when it divides, the cell and its daughter cells will produces mutated genes, which will form a tumor.

5 0

3 years ago

For this task, you will imagine that you are a reporter for a scientific magazine. Your task is to explain the process of protei

amid [387]

Answer:

Please find the explanation below

Explanation:

Our nucleus is made up of a genetic material called deoxyribonucleic acid (DNA), which is a double-helical structure that stores the genetic information needed for the optimal functioning of any organism. DNA, alongside RNA are nucleic acids that are composed of NUCLEOTIDES subunits. The nucleotide consists of a pentose sugar (deoxyribose in DNA and ribose in RNA), nitrogenous base and a phosphate group.

However, the genetic information stored in the DNA molecule needs to be expressed in order to form useful products (proteins). This genetic expression is done in two stages viz: transcription and translation. Transcription, which is catalyzed by an enzyme called RNA polymerase is the process whereby the information stored in the DNA is used to synthesize a mRNA molecule. However, this mRNA molecule is considered pre-mature until it is processed. RNA processing occurs in three stages viz: 5' capping, polyadenylation, and splicing.

5' capping involves adding a 5' cap to the marks molecule. Polyadenylation involves adding a poly(A) tail to the mRNA molecule while splicing is the removal of introns (non coding regions) with the aid of Spliceosomes and joining of the exons (coding region). After processing, the mRNA becomes matured and ready to be translated.

Translation is the process whereby the mRNA transcript is used to synthesize a protein molecule. It occurs in the ribosomes (organelles for protein synthesis, a complex of rRNA and proteins) where the mRNA is read in a group of three nucleotides called CODON. The reading is done by the Anticodon of a transfer RNA (tRNA), which is complementary to the codon.

Translation occurs in three stages: initiation, elongation and termination. The mRNA attaches to the P site of the ribosomes (initiation) where it is attached to by a tRNA's anticodon complementary to it. The anticodon carries the amino acid corresponding the codon and shifts to the A-site. The addition of amino acid to the polypeptide chain continues (elongation) until a stop codon is encountered, which signals the end of the translation process i.e. termination. This causes the polypeptide (protein) to be released from the E-site.

The synthesized protein undergoes packaging and modification in the Golgi apparatus.

5 0

3 years ago