Entries by Daphne Hanson

The replacement of bison

How has the replacement of bison with cattle on the prairie impacted the ecosystem? Prairie chicken habitat has been reduced and the species is considered endangered. There has not been an impact because bison and cattle both graze on grass. Cattle have encouraged wolves and grizzlies to return to the prairie. Cattle graze on less grass and prairie grass […]

The composition of biological membranes

The composition of biological membranes found in archaea is distinct from biological membranes found in bacteria and eukaryotic cells. The unique lipid composition is thought to afford protection from extreme environments that many archaea inhabit. 10. To survive extreme environments archaea must have very stable biological membranes. Explain how archaea could adapt their biological membranes […]

The process of depolarisation and repolarisation

Explain how neurons communicate using action potentials and neurotransmitters. the answer must compare and contrast the similarities and differences between these two means of communication BACKGROUND SUBJECT: Under resting conditions, the concentration of sodium ions — shown here in red — is about 10 times higher outside the neuron compared to the concentration inside. At […]

Cognitive deficits

Describe how you would support a client with acquired brain injury who demonstrated cognitive deficits as a result of their injury. Identify a minimum of 2 possible problems you might encounter and what positive intervention strategies you would use to help the person. (6 marks: one mark for the identified problem and a possibility of […]

Explain the psychosocial stage of Identity versus Role Confusion

Explain the psychosocial stage of Identity versus Role Confusion. Make sure to include the goal of this crisis (what is the outcome?). Also, make sure to include the potential individual consequences if they “fail” to achieve a cohesive, individual identity. James Marcia described four types of identity status. Please define and provide examples of each […]

Proponents of globalization

Proponents of globalization claim that it provides many benefits to the people of the world. Name and explain three benefits of globalization. In his book on globalization, The Lexus and the Olive Tree, Thomas Friedman introduces the idea of the golden straitjacket. What is the golden straitjacket and what four objectives must state pursue under its […]