What is the relationship between the sickle cell mutation and the Plasmodium parasite? Would having the HbSA genotype still be advantageous in a region where such parasites are not common? Why or why not?

Q: In the late 1960s (and since), Lynn Margulis (and others) provided considerable evidence for the…

A: Endosymbiotic theory states that the eukaryotic cells are a result of endosymbiosis between a larger…

Q: What do the terms host cell and host range mean?

A: Parasitism is a symbiotic relationship, in which one species benefits at the expense of the…

Q: Why does reductive acetogenesis predominate overmethanogenesis in many termites?

A: Acetogens are bacteria capable of producing acetate from H2and CO2 using the acetyl-CoA pathway…

Q: In 1988 Harbor seals (Phoca vitulina) in the Baltic Sea contracted phocine distemper virus.…

A: R0 is called as the basic reproductive rate or reproductive ratio in epidemiology which defines in…

Q: The genomes of free-living spirochetes are larger than those of ones that live within an animal…

A: Spirochaete is a member of unique double-membrane bacteria, mostly which are long, helically coiled…

Q: Bacteria that live in the digestive systems of cows help break down the plants that cows eat,…

A: An interaction (or relationship) between two unlike species and they both get benefited is called…

Q: Researchers are designing several experiments to test the ability of Salmonella bacteria to develop…

A: Introduction: Salmonella typhi is a genus of rod-shaped bacteria that is responsible for typhoid.…

Q: How did Anton de Bary prove that a microbe was the cause of the Irish Potato Famine? Why did other…

A: Irish potato famine is a type of infection found on potato which is otherwise called a potato blight…

Q: The endosymbiotic hypothesis for the origin of chloroplasts from gram-negative prokaryotes is…

A: Endosymbiotic hypothesis helps us to understand the evolution of eukaryotes from primitive…

Q: An infectious dose of several million cells in enteric infections seems like a lot. a. In terms of…

A: Enteric bacteria are organisms that colonize the gut. But there are several pathogenic enteric…

Q: ct one: 1A. Every other generation is in the medusa form . B. Only even generations receive…

A: Alternation of generations is a type of life cycle that switches between two forms, the Asexual and…

Q: In studying Lokiarchaeota, researchers identified eukaryotic signature genes and used this…

A: Housekeeping genes are essential for basic cellular functions and are expressed at relatively…

Q: Microtaxonomy (Species and Speciation) Colletotrichum gloeosporioides is a fungus that causes mango…

A: Colletotrichum gloeosporioides is a specie complex and the complex includes 22 species and one sub…

Q: What is symbiosis? Give examples other than those mentioned in the text.

A: Organisms living in an ecosystem influence one another either indirectly or directly. They are…

Q: Scientists at the SEA Phages lab were asked to find a phage that might infect a strain of M.…

A: Bacteriophages or phages are the viruses that infect bacterias and destroys the host bacterial cell.…

Q: (a) Describe the coevolutionary pattern that systematists look for (b) Name the evolutionary…

A: Scientists in ecology and evolutionary biology frequently debate three types of coevolution: paired…

Q: Which of the following changes in early prokaryotes could be predicted to result in the emergence of…

A: A cell is the basic structural, functional, and biological unit of all known organisms. Cells are…

Q: The TATA-binding protein (TBP) is thought to be necessary for transcription in all eukaryotic cell…

A: The TATA-binding protein is a generic transcription factor that binds specifically to the TATA box…

Q: Is there a common evolutionary pathway between host and parasite?

A: Introduction  Microbes are not only pathogenic to humans but they are beneficial for Humans too.…

Q: In patients with nonresistant strains of the tuberculosis bacterium, antibiotics can relieve…

A: Tuberculosis (TB) is a disease that mainly affects the lungs but can also invade other organ systems…

Q: Nematode specific genes were introduced into the tobacco host plant using a vector 1 (A) pBR 322 (B)…

A: Gene transfer is defined as the introduction of new DNA into an existing organism's cell by vectors.…

Q: What is the most important reason for evolution of bacteria? Explain briefly. GiG of cancer by…

A: Bacterial evolution has continued over the billions of the years since the precambian time period.…

Q: A mutation occurs in a single bacterium that causes it to produce a new enzyme. This enzyme helps…

A: Bacteria are simple unicellular organisms that have a cellular level of organization. They undergo…

Q: proposed for the origins of H. luzonensis? In your own words, describe the evidence that supports…

A: H. luzonensis was probably a pygmy, species of archaic human about 3 feet tall. These were the…

Q: You are studying a population of wild coyotes and notice that every three years there is an epidemic…

A: Epidemic refers to rapid widespread transmission of a disease to a large population or individuals…

Q: if a particular disease occurs in humans in occasional, isolated, sporadic cases, but most of the…

A: Sporadic diseases are those that occur infrequently or irregularly in a few isolated places.

Q: What efforts by the government or other officials actually made the 1918 pandemic worse? Are any of…

A: We are answering second question only. First question did not contain video as mentioned in question…

Q: A group of environmentalists is studying the effects of recent commercial zoning to wildlife acreage…

A: Biodiversity is referred to as an occurrence of different times of ecosystems, species with whole…

Q: What does the presence of genes for cadherin and integrin (cell adhesion proteins) in unicellular…

A: Integrins and cadherins are two of the best studied classes of adhesion receptors. Integrins mediate…

Q: A mutation occurs in a single bacterium that causes it to produce a new enzyme. This enzyme helps…

A: Microorganisms are basic unicellular life forms that have a cell level of association. They go…

Q: Worldwide, frog populations are in decline. Several different fungi have been implicated in (thought…

A: ANSWER;- B. sporifera and B. noeltid are the two species of fungi that are acting in a…

Q: How common is parasite-driven host extinction? Why does it occur with this frequency given what you…

A: The answer is given below. If you have any further queries or needed extra information in the…

Hematology

Hematology is the branch of biology. Hematology is the medical field that deals with the treatment of blood disorders and cancers, such as hemophilia, leukemia, lymphoma, and sickle-cell anemia. Hematologists and hematopathologists are medical professionals who specialize in illnesses of the blood and its components.