Biology and Genetics

1. Explain how steady state conditions are maintained using an example of the hu

1. Explain how steady state conditions are maintained using an example of the human body to guide your answer. 2. Explain how digestion and absorption in a gastrovascular cavity d…

1. Explain how the amount of yolk in an egg affects cleavage and early developme

1. Explain how the amount of yolk in an egg affects cleavage and early development. 2. Explain the general effects of an endocrine disruptor. Why is much of what we know about end…

1. Explain how the body maintains homeostasis if the calcium levels in the blood

1. Explain how the body maintains homeostasis if the calcium levels in the blood are TOO LOW. Do this by addressing the following questions: a) What hormone(s) is/are involved in …

1. Explain how unique proteins and lipids are targeted to the primary lysosome a

1. Explain how unique proteins and lipids are targeted to the primary lysosome and what prevents these proteins from destroying the cell. 2. Explain how the preassembled carbohydr…

1. Explain in your own words the adaptation used by different groups of snails t

1. Explain in your own words the adaptation used by different groups of snails to adapt to their natural environment. (5 mks) 2. Explain the geological process that determined the…

1. Explain several different reasons why living organisms have membranes. In oth

1. Explain several different reasons why living organisms have membranes. In other words, why specific roles do membranes serve in living organisms? 2. Briefly describe the tertia…

1. Explain the challenges and advantages of having internal gills over external

1. Explain the challenges and advantages of having internal gills over external gills for gas exchange?

1. Explain the common etiologies, interprofessional care, and nursing management

1. Explain the common etiologies, interprofessional care, and nursing management of diarrhea, fecal incontinence, and constipation. 2. Describe common causes of acute abdominal pa…

1. Explain the correlation between management and change theory, introduction to

1. Explain the correlation between management and change theory, introduction to working in healthcare environments, and care coordination to the concept of Leadership and Managem…

1. Explain the difference between fast and slow block to polyspermy? 2. Explain

1. Explain the difference between fast and slow block to polyspermy? 2. Explain how the amount of yolk in an egg affects cleavage and early development. 3. Hormones play a signifi…

1. Explain the difference between fused and unfused tetanus. (2 pts) Describe wh

1. Explain the difference between fused and unfused tetanus. (2 pts) Describe what is happening inside the contracting muscle cells that allows for increasing force of contraction…

1. Explain the effect of the mutation on the protein that is translated (compare

1. Explain the effect of the mutation on the protein that is translated (compared to the normal protein), if the protein is essential for life. 2. Make one of the three prediction…

1. Explain the effect of the mutation on the protein that is translated (compare

1. Explain the effect of the mutation on the protein that is translated (compared to the normal protein), if the protein is essential for life. 2. Make one of the three prediction…

1. Explain the evolutionary pressures (microbial pathogens) that led to the deve

1. Explain the evolutionary pressures (microbial pathogens) that led to the development of the innate and adaptive immune systems 2. Provide examples and describe some key differe…

1. Explain the factors that contribute to sexual orientation. 2. Describe compul

1. Explain the factors that contribute to sexual orientation. 2. Describe compulsory heterosexuality and how society may influence the expression of sexuality 3. Describe the term…

1. Explain the fundamental differences between up-regulation and down-regulation

1. Explain the fundamental differences between up-regulation and down-regulation of gene expression. 2. What is basal level gene expression, and why does it happen? 3. A number of…

1. Explain the general process via which fatty acids can be used as a source of

1. Explain the general process via which fatty acids can be used as a source of energy and describe where these process happen in the cell. 2. Explain why oxygen is needed for the…

1. Explain the importance of the nephron loop acting as a countercurrent multipl

1. Explain the importance of the nephron loop acting as a countercurrent multiplier, and why it is essential to regular nephron function. 2. A marathon runner with healthy kidneys…

1. Explain the importance of the nephron loop acting as a countercurrent multipl

1. Explain the importance of the nephron loop acting as a countercurrent multiplier, and why it is essential to regular nephron function. 2. A marathon runner with healthy kidneys…

1. Explain the importance of the nephron loop acting as a countercurrent multipl

1. Explain the importance of the nephron loop acting as a countercurrent multiplier, and why it is essential to regular nephron function. 2. A marathon runner with healthy kidneys…

1. Explain the marked difference in the depth of earthquakes at mid-ocean ridges

1. Explain the marked difference in the depth of earthquakes at mid-ocean ridges and subduction zones 2. what is back arc spreading and how does it account for the presence of sea…

1. Explain the medieval feudal society. Explain the rights and obligations the f

1. Explain the medieval feudal society. Explain the rights and obligations the feudal lords and bondservants vis-a-vis had for each other. Also discuss how the relationship differ…

1. Explain the medieval feudal society. Explain the rights and obligations the f

1. Explain the medieval feudal society. Explain the rights and obligations the feudal lords and bondservants vis-a-vis had for each other. Also discuss how the relationship differ…

1. Explain the medieval feudal society. Explain the rights and obligations the f

1. Explain the medieval feudal society. Explain the rights and obligations the feudal lords and bondservants vis-a-vis had for each other. Also discuss how the relationship differ…

1. Explain the medieval feudal society. Explain the rights and obligations the f

1. Explain the medieval feudal society. Explain the rights and obligations the feudal lords and bondservants had for each other. Also discuss how the relationship differed between…

1. Explain the metabolic logic of insulin and glucagon regulation of glycogen me

1. Explain the metabolic logic of insulin and glucagon regulation of glycogen metabolism. 2. At the beginning of class on Monday, we completed a diagram that showed the regulation…

1. Explain the metabolic logic of insulin and glucagon regulation of glycogen me

1. Explain the metabolic logic of insulin and glucagon regulation of glycogen metabolism 2. At the beginning of class on Monday, we completed a diagram that showed the regulation …

1. Explain the peer review process. In your own words, why is it critical to the

1. Explain the peer review process. In your own words, why is it critical to the progression of science. 2. List and explain the six major themes that are common throughout the st…

1. Explain the process of the slow release replication cycle. How would this app

1. Explain the process of the slow release replication cycle. How would this appear on a growth plate streaked with bacteria infected by the virus? 2. West Nile Virus is the most …

1. Explain the relationship between Hadley cells, the Intertropical Convergence

1. Explain the relationship between Hadley cells, the Intertropical Convergence Zone, and Subtropical Highs. 2. Within a Hadley cell, where are areas of low atmospheric pressure? …

1. Explain the system of latitude and longitude utilizing the following terms: •

1. Explain the system of latitude and longitude utilizing the following terms: • North Pole • South Pole • Equator • Prime Meridian • 180° Longitude Each of these terms lends itse…

1. Explain the theory of endosymbiosis. What is the evidence in favour of this t

1. Explain the theory of endosymbiosis. What is the evidence in favour of this theory? (4 marks) 2. What is the panspermia hypothesis? What evidence supports it? (6 marks) 3. Comp…

1. Explain the three ways that proteins are imported into organelles and the sig

1. Explain the three ways that proteins are imported into organelles and the signal sequence. Include some examples of proteins would fit into each of these 3 categories. 2. Revie…

1. Explain the title of this production…are Florida’s rivers truly hidden? 2. Ge

1.  Explain the title of this production…are Florida’s rivers truly hidden? 2.  Geographically speaking, where is location in which the researchers are diving?  Approximately, how…

1. Explain the “topology” problem as it relates to the movement of proteins from

1. Explain the “topology” problem as it relates to the movement of proteins from the cytoplasm into the endoplasmic reticulum. Why must these spaces remain separate, and why must …

1. Explain three reasons why a mutation in a single allele might be difficult to

1. Explain three reasons why a mutation in a single allele might be difficult to detect in a population. 2. Why is natural selection the most likely evolutionary mechanism to lead…

1. Explain two specific reasons why attempts to calculate a molecular clock (com

1. Explain two specific reasons why attempts to calculate a molecular clock (comparison of sequence changes to time since species diverged) might produce a non-linear relationship…

1. Explain what causes antigenic drift and describe how it changes the virus. 2.

1. Explain what causes antigenic drift and describe how it changes the virus. 2. Explain how reassortment causes antigenic shift and describe how it changes the virus. 3. Which is…

1. Explain what is meant by the concept of an \"electron carrier\" as it relates

1. Explain what is meant by the concept of an "electron carrier" as it relates to the metabolism of microbes. 2. Describe the role and the chemistry of enzymes in the metabolism o…

1. Explain what is meant by the latent development of the reproductive organs du

1. Explain what is meant by the latent development of the reproductive organs during puberty. What hormonal factors bring about puberty in a male? 2. The reproductive system has b…

1. Explain what scientists have discovered regarding the major adaptations assoc

1. Explain what scientists have discovered regarding the major adaptations associated with each of the following transformational stages or "steps" in our evolutionary history. (r…

1. Explain why 15 grams (approx 1 tbs) of butter enables youto make more ATP tha

1. Explain why 15 grams (approx 1 tbs) of butter enables youto make more ATP than 15 grams of plain pasta. 2. If you ate 100 grams of protein and 100 grams of carbs, howmany kiloc…

1. Explain why cells with defects in thymidine kinase grow in media containing h

1. Explain why cells with defects in thymidine kinase grow in media containing high amounts of 5-bromodeoxyuridine [BrdU], whereas cells with normal thymidine kinase will die when…

1. Explain why cells with defects in thymidine kinase grow in media containing h

1. Explain why cells with defects in thymidine kinase grow in media containing high amounts of 5-bromodeoxyuridine [BrdU], whereas cells with normal thymidine kinase will die when…

1. Explain why despite of the fact that each mammalian cell has two alleles for

1. Explain why despite of the fact that each mammalian cell has two alleles for each gene locus, a B cell can only produce antibodies of single antigen specificity. 2. Fill out th…

1. Explain why glucose consumption must increase in hypoxic tissues to provide t

1. Explain why glucose consumption must increase in hypoxic tissues to provide the same amount of ATP that could be produced from glucose in normoxic (normal O2 levels) tissues B)…

1. Explain why it might be possible for dogs and cats to detect when a person ha

1. Explain why it might be possible for dogs and cats to detect when a person has cancer. In your answer give a specific type of stimulus, specific type of receptor and neuroanato…

1. Explain why mitochondrial dysfunction can be caused both by mutations in nucl

1. Explain why mitochondrial dysfunction can be caused both by mutations in nuclear DNA and by mutations in mitochondrial DNA. 2. Explain the reasons why mitochondrial DNA is pron…

1. Explain why the residence time for the vegetation/soil/detritus reservoir is

1. Explain why the residence time for the vegetation/soil/detritus reservoir is so long. How would deforestation affect the carbon storage of this reservoir and the fluxes into an…

1. Explain why upwellings on the lee side of continents at tropical latitudes fu

1. Explain why upwellings on the lee side of continents at tropical latitudes function continuously while upwelling on the west side of North America is seasonal. 2. Why is there …