Short answers please, answer them all and I will rate you
1-What type of tissue(s) is the hypodermis? Is the hypodermis a layer of skin?
2-What are the important functions of subcutaneous fat? Is liposuction a means of permanent fat loss? Why is the hypodermis the desirable site for subcutaneous injections, such as insulin shots?
3-How do partial-thickness burns differ from full-thickness burns? Is there typically scarring following first degree burns? Why so/why not? Why do severe second degree burns and third degree burns often require skin grafting?
4-Skin is referred to as soft keratin, but hair and nails are referred to as hard keratin. Why? What are the functions of a hair follicle? The arrector-pili reflex is considered to be a vestigial reflex. That is, it once had a physiological purpose, but that purpose does not exist anymore, but the reflex still does. What was the function of this reflex in distant humans? What are goosebumps? How do they relate to this reflex?
Understand the lifecycle steps for (-) RNA virus like influenza and for a retrovirus like HIV.
- How does the genome for each of these virus types get copied?
- How do the viral proteins for these virus types get made?
- How does the cellâs secretory pathway play a role in ensuring viral envelopes are studded with viral surface proteins?
- What role does this play in the generation of viral strain variation?
Which of the following statements about the greenhouse effect is true?
A) Most life on Earth relies upon the hospitable temperatures resulting from the greenhouse effect.
B) The greenhouse effect is a dangerous phenomenon that should be stopped as soon as possible.
C) The greenhouse effect results from the presence of oxygen in the atmosphere.
D) Global warming is likely the result of a lessening of the greenhouse effect.