Match the disorders with their descriptions.___ tuberculosis        a. breathing halts___ emphysema        b. alveoli walls break down___ asthma             c. airways constrict___ apnea                d. bacterial disease

Q: Fusion between a plasma cell and a tumor cell creates a:(a) Myeloma (d) Natural killer cell(b) Lymph...

A: Plasma cell is also called as plasma B cell. Plasma cells are leucocytes which produce tremendous am...

Q: Is pollution a Price of progress

A: Pollution is the introduction of harmful materials into the environment. These harmful materials are...

Q: Which type of replication requires a break in the nucleotide strand to get started?a. Theta replicat...

A: The process by which DNA molecules are copied to produce similar copies of it is called replication....

Q: Explain this apparent paradox: Scientists discuss evolution in terms of genotype fitness (the select...

A: Population genetics is the complete set of the genetic information in all individuals within a popul...

Q: The continued presence of the allele that causes sickle cell anemia in areas where falciparum malari...

A: Genetics is a branch of biology that is concerned with the study of Nucleic acids (Ribonucleic acid,...

Q: Title: The effect of ethylene production on the unripe banana when are stored together with pear in ...

A: Ethylene is a multifunctional phytohormone that manages both development, and senescence. It advance...

Q: It is common practice to store fruit in paper bags in an effort to make them ripen quicker. Explain ...

A: We know that ripening fruit emit ethylene gas which is responsible for chlorophyll to breaks down an...

Q: How and why do B cells undergo a class switch from producing IgM antibodies to any of the other Ig i...

A: Class exchanging happens after initiation of a develop B cell through its layer bound neutralizer at...

Q: What triggers pseudopod formation?

A: Pseudopod comes from the Greek words pseudes and podos, meaning “false” and “feet” respectively. The...

Q: Explain how it is possible for evolution to result in unity amongdifferent species yet also produce ...

A: Evolution refers to the change in the species characteristics over several generations. Evolution de...

Q: If the four deoxynucleotides showed nonspecific basepairing (A to C, A to G, T to G, and so on), wou...

A: Proof-reading is an integral part of the replication process. This process reduces the chances of th...

Q: Examine the case: Of all the hospital patients with infectious, one - third do not enter the hospita...

A: Infections are caused by microorganisms like bacteria, viruses, fungi and protozoans. An infection i...

Q: Explain the mechanism of allopatric speciation and give an example.

A: Speciation can be defined as the evolutionary process by which populations will evolve to become the...

Q: In a nondividing cell such as a liver cell, why mustthe flow of membrane between compartments be bal...

A: In a non-dividing liver cell, the progression of layer between cell compartments are not adjusted. F...

Q: POINTS 20 The wings of butterflies and birds are !structures because, although they are used for the...

A: Homologous structures are those which have a similar embryonic origin but perform different function...

Q: Which is the lowest part of the pleural cavity, where pleural effusion first accumulates?

A: The fluid-filled region or space that encircles the lungs is called the pleural cavity. It is situat...

Q: Proteoglycans are characterized by the abundance of negative charges on their sugar chains. How woul...

A: gels of polysaccharides and proteins that fill spaces

Q: Identify the type of wave: surface wave, S-wave, P-wave, tsunami a. Arrives first at seismic station...

A: Answer: Introduction: The P wave is selected the main preliminary wave due to the first to arrive at...

Q: In Figure 17-26, the bottom panel shows that genes B andC are oriented in a different direction (not...

A: Inversion has many effects on genes either it has no effect or disrupts the gene function. This depe...

Q: Volcanoes & Earthquakes 1) Identify the shape of each type of volcano (shield, composite, cinder con...

A: Volcanoes can be defined as the rupturing of the crust of the Earth which resulted in the flow of la...

Q: How do seeds detect the presence of plants growing overhead?

A: The seed has two parts:- 1) Cotyledons that store food. 2) Embryo that forms radicle (future root) a...

Q: Structural analysis of bacterial release factor 1 (RF-1) and release factor 2 (RF-2) reveals that th...

A: The process of translation refers to the production of proteins by decoding the mRNA sequence. The p...

Q: Biology Question

A: Sickle cell anemia is an inherited red blood cell disorder in which there are fewer healthy red bloo...

Q: DNA is subjected to alteration on daily basis. Provide an account of all these changes.

A: Each day within the body there are several changes that occur in response to the environment and the...

Q: An organism with genotype of Tt is what phenotype

A: The genotype is defined as the genetic makeup of an individual or organism. It also gives an idea of...

Respiratory Infections

Respiratory infections are infectious diseases of the respiratory tract that are mostly caused by bacteria and viruses. They cause infections of the throat, sinuses, airway path, and lungs. Respiratory infections are typically divided into two types: upper tract respiratory infection and lower tract respiratory infection.