A) Summarize in four to five sentences about the given molecule, melatonin– include useful information, this could be positive or negative depending on what your molecule is e.g. if you are looking at opioids one can discuss about the positive and negative effects to human bodies.

Human services can be provided in both nonprofit and for-profit environments. Which do you think is the best way, and why do you believe that? Give at least two pros for the environment you would choose, and at least two cons for the other option.

A researcher studies normal human fibroblast cells. They can be maintained in culture but die off after about 30 cell generations. Unexpectedly, a colony of cells continues to survive and divide past 30 generations. Which scenario is most likely true for these cells?

Subject: Science and Technology (STS)

Cyberbullying is a common scenario experienced in this technological era. How do you protect your and other’s human rights in the face of changing social conditions and technological development by grounding yourself with the virtues of character? Discuss your answer.

The average human body contains 5.70 L of blood with a Fe2+ concentration of 2.10×10⁻⁵M . If a person ingests 10.0 mL of 25.0 mM NaCN, what percentage of iron(II) in the blood would be sequestered by the cyanide ion?

Express the percentage numerically.

Think about a bacterial cell entered the blood stream of a human. State the probable sequence of immunological interactions and responses that will occur in both innate and adaptive immune system and support your answer with molecules, receptors, pathways and cells involved. (200-300 words)

For each of the following users, (i) explain what accounting information they require about a business and (ii) name two statements or reports in which such information are available?

1. Investors
2. Banks
3. Production manager
4. Divisional manager
5. Human resource manager responsible for performance management

While human impacts on the ecology of our planet have been huge and often negative there are clear examples of where we have mitigated to a significant extent these negative impacts once we realized their importance for the health of life on earth. Give two examples.

• What is the premise of healthcare policies? (consider the following: past/current policies that impact provider-insurer shift)
• Is healthcare access a “human right” or a “privilege”? Provide a rationale.
• Who are the major players in health policies?
• How does health policy impact society?