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NikAS [45]
3 years ago
11

One of your friends is arguing that viruses are alive. What information would you provide to convince him that viruses can't be

considered alive?
1. Viruses typically have protein coats and no plasma membrane.
2. Viruses are much more closely related to archaeons than bacteria
3. Viruses contain either RNA or DNA but not both
4. Viruses cannot carry out metabolic reactions on their own
Biology
1 answer:
Alex777 [14]3 years ago
6 0

Answer:

The correct answer is option 4.

Explanation:

Viruses cannot be considered alive as they cannot carry out metabolic reactions on their own. Metabolism signifies the tendency to gather and use energy. The chemical reactions in the cells spontaneously change the molecules into the forms of energy, which can be utilized by the organism.  

However, in the case of viruses, they are too small and simple to collect and utilize their own energy. They are completely dependent upon the host cells for energy. The viruses only require energy when they need to make duplicates of themselves, however, they do not require any energy when they are present outside of the cell. Thus, as they cannot carry out metabolic reactions, they are not considered as living.  

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Which of the following correctly describes the disruption of an ecosystem service by an anthropogenic activity?
ehidna [41]

Answer:

The correct answer is "Provisioning services are disrupted by increased combustion of fossil fuels, which leads to an increase in air pollution".

Explanation:

The ecosystem provides several services that if used with responsibility, could be sustained by the nature. Unfortunately, disruption of an ecosystem service could happen by an anthropogenic activity, which are the activities that humans perform. One example is the disruption of provisioning services by increased combustion of fossil fuels, which leads to an increase in air pollution. The ecosystem provides clean air that gives oxygen for people and animals to breath, however high combustion of fossil fuels could disrupt this service.

8 0
3 years ago
If two organisms show a developmental homology you would also definently expect them to?
san4es73 [151]

If two organisms show a developmental homology you would also definitely expect them to share genetic homologies.

Homology is the similarity between two organisms. This similarity can be of body structures, physiology, etc. This homology is generally due to shared ancestral history between two organisms. For example, the wings of a bird and bats are homologous structures, this is because they have a common anatomy.

Genetic homology refers to the arrival from the same gene from a common ancestor. The same gene is shared between two organisms who may not be related in any other matter. Genetic homology can even be depicted by the sequences of a protein.

To know more about homology, here

brainly.com/question/11344125

#SPJ4

7 0
1 year ago
Discuss the factors that could fail the process of dough rising<br>(6marks)​
Alex Ar [27]

Answer:

The yeast is no longer active, Climate conditions, too much liquid, Wrong type and amount of yeast, Not adding or using too little salt, Insufficient baking time and Wrong oven temperature.

Explanation:

The yeast is no longer active, Climate conditions, too much liquid, Wrong type and amount of yeast, Not adding or using too little salt, Insufficient baking time and Wrong oven temperature are the factors that could fail the process of dough rising. For rising of dough, the environmental conditions and materials that is used in dough must be present in optimum range or quantity.

8 0
2 years ago
Order this from smallest to biggest organism, organs, cells, tissues, organ system, molecules, atoms
icang [17]

atom, molecule, cells, tissues, organ, organ system, organism

6 0
3 years ago
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Marysya12 [62]

some of the special structures in the members of these phylum as follows:

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5 0
3 years ago
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