During the summer and fall of 2002, the West Nile Virus advanced north into Canada. This Virus replicates in birds, is transmitted by mosquitoes, and can be spread to humans. Canadian Blood Services impounded all blood supplies collected during this time. Hypothesize how this action was taken. Y

Q: How might abnormal meiosis lead to alterations in chromosome number or structure?

A: In the unique cell division process known as meiosis, a single cell divides twice to produce four…

Q: The Cardiovascular and Lymphatic Systems: Functions and Structure 3.Septicemia, sepsis,…

A: Introduction There are two types of organisms are found on the basis of no of cells, unicellular and…

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A: A diploid organism having two different types of alleles is said to be heterozygous. Individuals…

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Q: spectrophotometer.

A: Definition:  It is defined as the branch of electromagnetic spectroscopy which is concerned with…

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A: Introduction Biogeochemical cycles involve the circulation of nutrients between various abiotic and…

Q: You are doing a genetics experiment with the fruit fly. In the "F1" generation, you cross two…

A: The alleles are the alternative forms of a gene that are located on the same locas of a homologous…

Q: गत 1. जीवों को वर्गीकत क्यों करते हैं? अ

A: Introduction: Living organism classification is the division of living organisms into several groups…

Q: by some type of radiation? Explain step by step with diagrams, physics, chemistry and biology

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Q: Which one of the numbers below is the minimum number of capsomer proteins to make a spherical virus?

A: The correct option is - 60

Q: According to the phylogenetic tree of beach mice in Figure 2, how would you describe the relatedness…

A: Introduction A phylogenetic tree is an evolutionary tree-like diagram that contains roots, nodes and…

Q: If the AaBBCc individual will be test-crossed, what is the probability that the resulting offspring…

A: Test Cross:  The cross between an organism with unknown genotype and a recessive parents is know as…

Q: Tetanospasmin, a neurootoxin secreted by Clostridium tetani causes which one of the following…

A: Introduction  Tetanus is caused by the common soil bacteria Clostridium tetani. C. tetani's…

Q: the AaBBCc individual will be test-crossed, what is the probability that the resulting offspring…

A: Test cross is used to determine whether the unknown dominant genotype is heterozygous or homozygous.…

Q: What are the usual physiologic changes of aging, and how are these differentiated from disease?

A: Aging is a progressive degeneration of the tissues of an organism which leads to a loss in the…

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Q: What is ecology?At what different levels do ecologist study ecology? Define and describe  each level…

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Q: amino acids

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A: The signal transduction pathway includes signaling molecules that bind to their receptors.

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Q: When a person receives a vaccination, it is considered passive and artificial O passive and natural…

A: Introduction Vaccination is a process by which a person becomes protected against a particular…

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A: This question is based on genetics- especially on the ABO blood group type.

Q: g Toll-like receptor

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Q: 5. Very happy Escherichia coli cells reproduce on a 20 minute time frame (doubling or generation…

A: Doubling time is the time in which the cells of E.coli double in their number by undergoing cell…

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A: The nervous system is the major controlling, regulatory, and communicating system in the body.

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Q: What property of carbon makes it essential for organic life?

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A: The embryonic development after 15 days of fertilization marks gastrulation.

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Virus

Viruses are infectious microscopic agents that can only reproduce in live cells of animals, plants, or microbes and are smaller than bacteria. Vertebrates, invertebrates, plants, protists, and fungi are among their many hosts. Viruses are unable to multiply on their own due to the lack of necessary cellular machinery, but they can guide the cell machinery of a host to make additional viruses by infection. The virus enters and attaches to a particular host cell, injects its genetic material, and reproduces by using the host’s genetic material. Viruses cause infection by taking entry into the host cell and using the host cell’s enzymes and raw materials to multiply.