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Vinvika [58]
3 years ago
14

Which of the following is true?a. Ebola and Lassa are both caused by bacteria. b.Ebola and Lassa are both caused by viruses. c.E

bola is caused by a bacterium, Lassa is caused by a virus. d. Ebola is caused by a virus e.Lassa is caused by a bacterium.
Biology
2 answers:
elena-s [515]3 years ago
8 0

Answer:

b. Ebola and Lassa are both caused by viruses.

Explanation:

Ebola fever is caused by the Ebola virus which is an enveloped virus and is a member of<em> Filoviridae</em>. Ebola virus infection is 80% fatal. The incubation period for pathogen ranges from 2 to 21 days. Symptoms of the infection are fever, muscle and joint ache, stomach pain, bleeding, etc. Lassa hemorrhagic fever is caused by the Lassa virus. Infection with the Lassa virus causes fever, malfunctioning of the gastrointestinal system and bleeding.

dmitriy555 [2]3 years ago
3 0

Answer:

The correct answer is b. Ebola and Lassa are both caused by viruses.

Explanation:

Lassa fever is caused by a virus known as Lassa virus which comes under the Arenavirus family. Lassa virus is mainly spread through rodents especially rats of genus mastomys because they carry this virus and contaminate the food by urination and feces. In west African countries Lassa fever is an endemic disease.

Ebola is a deadly disease caused by Ebola virus. It is also referred to as hemorrhagic fever virus because it leads to internal bleeding, therefore, it causes severe tissue damage and inflammation. It is spread when any healthy person comes in contact with the body fluid of an infected person. Therefore the correct answer is b.

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Answer:

Option (B) is the correct answer of the following question.

Explanation:

Collagens are a family of enzymes that perpetuate and protect many of the body's tissues, with the exception of connective tissue, femur, fibula, pigmentation, and the caucasian eye (optic disc). It would be the best choice on which to base the phylogeny.

  • The first and most concentrated substance in the body is the collagen genes.
  • It is a large, indigestible cellular muscle which maintains organisms and gives internal cells a texture.
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Other options are incorrect because they are not related to the given scenario.

3 0
4 years ago
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True or False: The modern plate tecctonic theory states that the Earth's outer layer, or lithosphere, is broken into several lar
OLga [1]

Answer:

False

Explanation:

its not the lithosphere, that's in the sky, its the crust thats broken into several large plates

8 0
3 years ago
Which of the following statements about renewable energy resources is true?
Brilliant_brown [7]

The statement that is true about renewable energy resources is that there are endless supplies of all renewable energy resources (option B).

<h3>What is renewable energy resource?</h3>

Renewable energy is the energy that is collected from renewable resources such as;

  • wind power
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A renewable resource is that natural resource that is replenished by natural processes at a rate comparable to its rate of consumption by humans or other users.

This suggests that renewable resources have an unlimited supply and will likely not be exhausted. This is unlike the non-renewable counterparts like crude oil, gas etc.

Therefore, the statement that is true about renewable energy resources is that there are endless supplies of all renewable energy resources.

Learn more about renewable resource at: brainly.com/question/19604560

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4 0
2 years ago
List the proteins/enzymes involved in the process of replication
ELEN [110]
Replication is the process where DNA molecules copies itself to form another DNA molecule during cell division. it involves several enzymes which includes DNA helicase, the enzyme that unwounds the DNA double helix. RNA primase, it is an enzyme that creates an RNA primer. DNA polymerase, it is the enzyme that matches and lays down nucleotides to form the new DNA daughter. DNA ligase joins the Okazaki fragments by catalysing the formation of phosphodiester bond.

3 0
4 years ago
Medical professionals are concerned with the increase in the number of bacterial species that are resistant to antibiotics. Once
valentina_108 [34]

Answer:

Resistance bacteria survive in greater numbers and pass the trait to their offspring

Explanation:

Antibiotics are chemicals which are used in the treatment of bacterial infections. The bacteria sometimes have some form of immunity or resistance to a particular antibiotic due to a host of underlying factors.

Once resistance appears in a bacterial population, it spreads rapidly. The trait of immunity or resistance to such antibiotic is then passed as a trait from one generation to another.

6 0
3 years ago
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