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lisabon 2012 [21]
3 years ago
11

Which of the following is NOT a reason why viruses violate the conditions for life (in other words, which of the following is no

t an explanation for why viruses are not alive)?
A. Viruses do not contain RNA or DNA.
B. Viruses cannot replicate by themselves.
C. Virus structure is not organized in cells.
D. Viruses do not grow and develop.
Biology
1 answer:
Doss [256]3 years ago
4 0

Answer:

A. Viruses do not contain RNA or DNA.

Explanation:

This is not a reason why viruses violate the conditions for life. Viruses do contain DNA or RNA, as they are usually made up of a central core of either DNA or RNA surrounded by a coating of protein. However, there are several other characteristics of life that viruses do not fulfill. Viruses are not made up of cells. They have no energy metabolism and do not grow or produce waste. They also do not respond to stimuli and do not reproduce independently.

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Matings between individuals from the two populations of Rhagoletis produce hybrid flies that appear to be healthy and have norma
Mama L [17]
<h2>The correct answer is : C.</h2>

Explanation:

  • According to the question, mating between two populations of Rhagoletis produce hybrid flies.
  • This means that the two population is present in the same habitat or locality, hence they are capable of coming in contact with each other and mate. Hence, the answer cannot be Habitat Isolation.
  • Mating produces hybrid flies. This is possible when the gametes (egg and sperm) of the two different populations are capable of capable of coming close to each other and undergoing fusion (fertilization). Hence, there is no Mechanical Isolation.
  • The zygote formed by the above fertilization is capable of developing into healthy hybrid flies with normal life span. Hence, Pre-zygotic Isolation is absent.
  • But the hybrid flies formed are sterile and not fertile, that is, they are incapable of producing viable gametes which can undergo fertilization and produce a new offspring.Therefore, the eggs laid by the hybrid flies hatch less often. Hence, there is existence of Reduced hybrid fertility.
8 0
3 years ago
Plants with specialized tissues that can transport fluids
Serhud [2]
The answer is vascular plants.

Vascular plants have <span>specialized tissues that can transport fluids - vascular tissue. This tissue consists of</span><span> xylem and phloem. Xylem transports water and minerals from the root to the upper parts of the plant. Phloem transports food and nutrients from the leaves, where they are produced, to the growing or storage parts of the plants. </span>

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You are a forensic scientist. For today, your supervisor tells you to perform a confirmatory test for semen on Item D. You recov
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Answer:

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Explanation:

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What happens to the carbon atom during photosynthesis the light-dependent reactions
sergeinik [125]
I goes through the cell
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Which organisms have the least amount of stored energy in an ecological pyramid
Alenkinab [10]
<h2>Answer</h2>

Tertiary Consumers get least amount of the energy.

<h2>Explanation</h2>

In an ecological pyramid less energy is available to organisms in the upper level because each organism releases some of the chemical energy as food and to the air as thermal energy .Therefore primary consumers get almost 10% of autotrophs prduced energy. The second consumers in the pyramid get 1% from primary consumer. In the case of tertiary consumers, they get only 0.1%. Hence the top consumer of a food pyramid receives the least energy.


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3 years ago
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