Answer the following questions true (T) or false (F)
1. Antimicrobial agents usually work best at high temperatures and high pH levels.
2. The phenol coefficient is one of the most widely used measurements of an antimicrobial agent's effectiveness.
3. Lysozyme is effective against nearly all disease causing agents.
1. FALSE
2. FALSE
3. FALSE
You might also like to view...
Dual-energy X-ray absorptiometry (DXA) is used to assess:
A) energy expenditure. B) genetic predisposition for obesity. C) body composition. D) body mass index (BMI)
Answer the following statements true (T) or false (F)
1. In cellular respiration, the energy found in the covalent bonds in glucose is used to form ATP. 2. Consider when an African rock python eats a Thomson's gazelle and begins breaking the gazelle down into component molecules with digestive acids. The digestion described is an example of cellular respiration. 3. People beginning cardiopulmonary resuscitation (CPR) training are often surprised that they can breathe enough oxygen into a victim with the air from their lungs. The fact that you still have sufficient oxygen to benefit another person in emergencies indicates that our bodies do not use all of the oxygen molecules we breathe in. 4. Cellular aerobic respiration includes glycolysis, the Krebs cycle, and electron transport. 5. Proteins in your diet can be used as a reactant in cellular respiration pathways.
Effector helper T cells release cytokines only
when which of the following occur?
a. The effector helper T cell binds to an antigen-presenting dendritic cell. b. The effector helper T cell binds to a memory T cell. c. The effector helper T cell binds to a complement protein. d. The effector helper T cell binds to MHCantigen complexes on B cells. e. Any of these can stimulate cytokine production.
If formerly interbreeding organisms are prevented from the production of fertile offspring, _____ has occurred
a) geographic isolation b) behavioral isolation c) physiological isolation d) reproductive isolation e) punctuated isolation