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Dmitrij [34]
3 years ago
13

Which of the 8 characteristics prove that a virus is or is not considered living?

Biology
1 answer:
Doss [256]3 years ago
4 0

Answer:

Nonliving characteristics include the fact that they are not cells, have no cytoplasm or cellular organelles, and carry out no metabolism on their own and therefore must replicate using the host cell's metabolic machinery.

Explanation:

Viruses lack membranes. Hence, they do not show characteristics of life until they enter a living cell. On entering the living cell they use the cell machinery to multiply.

You might be interested in
Which statement best describes the process of respiration?
balandron [24]

Answer:

A. oxygen and sugar are used in the process that provides energy to cells, water and carbon dioxide are given off.

Explanation:Respiration is a biochemical process that uses oxygen and glucose to generate energy with the release of carbondioxide and water. All organism respires and the oxygen is used for cellular respiration.

C6H1206 +6O2----6CO2+6H2O+Atp(energy)

The Co2 and H2O is used by plant for the process of photosynthesis in producing there food.

4 0
4 years ago
DNP (2,4-dinitrophenol) is an effective weight-loss agent that was used in diet pills in the 1930s. It has since been removed fr
-Dominant- [34]

Answer:

ATP production: reduced

Proton gradient: Dissipated

pH of the various mitochondrial compartments: pH of matrix will be reduced while that of the intermembrane space will be increased.

Explanation:

During oxidation of FADH2 and NADH, electrons are transferred through electron transport chain to the terminal electron acceptor, molecular oxygen. Electron transfer by the electrons carriers of electron transport chain is accompanied by the pumping of protons from matrix to the intermembrane space and generation of the proton concentration gradient. The proton concentration gradient drives ATP synthesis.

According to the given information, DNP shuttles protons from the intermembrane space into the matrix and thereby, lowers down the pH of the matrix making it more acidic with respect to intermembrane space. This would dissipate the proton concentration gradient and there will be reduced or no ATP production in the absence of the driving force.

3 0
3 years ago
What are all the parts of the Norovirus?
Soloha48 [4]

Answer:Structure. Norovirus capsid has a curvilinear shape (diameter 23-37 nm) and an amorphous structure, with no outer envelope. Norovirus has linear unfractionated RNA; The major structural proteins of the virus (VP1 and VP2) are monomeric and bind to the surface of host (infected) cells.

Explanation:

7 0
3 years ago
Was it beneficial or harmful for the Chthamalus barnacle to add the Balanus barnacle? Explain.
krek1111 [17]

Answer:

It was it <u>harmful</u> for the <em>Chthamalus</em> barnacle to add the <em>Balanus</em> barnacle.

Explanation:

The principle of competitive exclusion says that two different species that share the same niche can not live in the same place. If these species have the same requirements, they can not coexist. Two species can not coexist indefinitely on the bases of the same limited resource.  

When two competing species coexist, this is because of niche partitioning or niche differentiation. If there is not any differentiation between them, the dominant species displaces the weak species.  

In the exposed example, Chthalamus can live in the upper intertidal zone, where Balanus can not live because they can not tolerate desiccation. Balanus live in the lower intertidal zone, where Chthalamus can not live because of its vulnerability to predation. But these two species compete for the middle intertidal zone, where they can both live. Balanus excludes Chthalamus because the first species is much bigger and grows faster than the second one. So the middle intertidal zone is only inhabited by Balanus.  

The area occupied by Chthalamus is smaller in the presence of Balanus. In the absence of Balanus, Chthalamus can live in a bigger area, occupying the middle intertidal zone.  

   

4 0
4 years ago
Hai has been taking expensive beta-carotene supplements for years, because he believes they will reduce his risk of cancer. hai
Salsk061 [2.6K]

an emotional dilemma or cognitive dissonance

3 0
4 years ago
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