Biology question and answers for July 28, 2023
- Q Calcium plays a role during contraction of both skeletal andcardiac muscle, but there are important differences in themechanisms leading to increased calcium concentration andcontraction between both muscle types. Could you...
- Q what are the effects of treachery smoking andsecondary smoking.
- Q How is glutamine used in nitrogen metabolism and Why is theactivity of glutamine synthetase tightly regulated?
- Q Describe the general pathways and end products of carbohydrateand lipid metabolism in each of the following mammalian tissues: a)Liver b) Adipose c) Muscle (skeletal and heart) d) Brain tissues e)Blood
- Q How does NAP1/BI/027 vary from other C. difficile strains? 6marks
- Q Summarize, in a paragraph or two, the characteristics of cancercells.
- Q Many emerging infectious diseases are zoonotic diseases andtracking down viral origins and reservoirs can be challenging. Thisvideo illustrates both the tremendous strides we have made in ourunderstanding of viruses and...
- Q Imagine you discover a new organism. What fundamental feature(s)would tell you it is a member of the superphylum Ecdysozoa? Whatfeatures would allow you to assign it to one of the...
- Q define the term \"complimentary proteins\" and explain howvegetarians can use this go meet their protein needs
- Q I have a few general questionsPulmonary circulation: What is it? What is the specific purpose?What structures are involved? What's the function?Lymph Nodes: What is it? What specifically does it do?...
- Q List the compounds used as energy sources by each of thefollowing: a) Skeletal muscle b) Cardiac muscle c) Brain
- Q With regard to T cell development in the thymus. How are tissuespecific antigens expressed in the thymus?
- Q What are the 2 key enzymes involved in nitrogen fixation and howdoes molecular oxygen affect the reductase complex, also how isthis overcome?
- Q 7. In humans, ABO blood type is controlled by a single gene with2 codominant alleles (IA and IB) and onerecessive allele (i).  The population of humans in thecity of Xanadu is...
- Q what is the purpose of a major histocompatibility complex(MHC)?What are the components of innate and acquired immunity?
- Q A central question in biology is, how do we have > 200different cell types, complete with unique cell morphologies andfunctions, when all cells have the same DNA (the concept of...
- Q Describe what is meant by the term consensus sequences fortranscription in E. coli and their significance in regulatingtranscription from promoters recognized by the σ70 factor.
- Q Explain how attenuation regulates the trp operon in response tocellular levels of tryptophan
- Q What are advantages of the study on microbial growth and productproduction phases and kinetics
- Q In peas, tall (T) is dominant to short (t),yellow (Y) is dominant to green (y) and round(R) is dominant to wrinkled (r). A purebreedingplant with tall, green and wrinkled pea...
- Q some animals have the ability to regenerate missing organs. to dothis many animals need to reinitiate a process that normally onlyoccurs in an embryo.come up with a couple examples of...
- Q What is the function of the nictitating membrane?What is the function of the tympanic membrane? Why would amale’s tympanic membrane be larger than a female’s?What are some of the characteristics...
- Q Describe what it means for interactions to be selfish by usingthe concepts of actor and recipient.
- Q This is normally accomplished through methylation of acytosine:a. paternal effect   b.imprinting   c. epistasis   d.maternal inheritance   e. aromatase
- Q Assume that you are responsible for decontaminating materials ina large hospital.How would you sterilize each of the following? Brieflyjustify your answers.a. a mattress used by a patient with bubonic plagueb....
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