Which of the following concerning microbicidal agents are true? A.They can be used to evaluate the generation time of bacteria B.they kill all microbes simultaneously c.kill a constant percentage of cells overtime d.are equally effective against all microbes e.none of the above
Answer:
D.are equally effective against all microbes
Explanation: Some of the qualities of microbicidal agents are
rapid action in low concentrations
broad-spectrum action (kill wide variety of microbes)
Some of them act as surfactants, destroy membrane integrity by interacting with lipid molecules.
Which of the following concerning microbicidal agents are true? A.They can be used to evaluate the...
need 35-41 asap!! 35. Which of the following is true about complement? a. The activation of complement ends in the lysis of bacterial cells. b. They are a set of proteins in blood, lymph and extracellular fluid c. They attack the membrane of bacterial cells. d. all of the above 36. Which of the following produces antibodies? a. memory cells c. liver cells b. T cells d. plasma cells 37. Most of the available antimicrobial agents are effective against a....
54) Which of the following statements is FALSE? a. Microbial cells exist as single cells. b. Microbial cells carry out their life processes of growth independently. c. Microbial cells include both bacteria and viruses. d. Microbial cells exclude the cells of plants and animals. ------------------ 55. The largest mass of living material on Earth comes from a. microorganisms. b. plants. c. animals. d. plants and animals together. ----------------- 56. In what/which domain(s) of life is/are microorganisms represented? a. Archaea b....
can someone help me please Question 27 (1 point) Which statement is true regarding the innate immune system? a. It normally develops at the time a child becomes an adult. b. It has no memory component. Oc. It is not specific, acts the same towards all invading microbes. d. It does not involve white blood cells. Oe. More than one of the above. Question 30 (1 point) True or False. The adaptive immune response is acquired naturally or artificially and...
Which of the following statements concerning the minimum level approach to budgeting is true? A. The minimum level approach to budgeting budgets costs for a coming period as a dollar or percentage change from the amount budgeted or spent in some previous period. B. The minimum level approach to budgeting establishes a base amount for all budget items and requires explanation or justification for any budgeted amount above that level. C. The minimum level approach to budgeting budgets physical inputs...
Page 6 of 8 4 Radiation is changed les energy to breaks DNA (Gamma DNA replication) No r dian (UV creates pynimidine dimers that inhibit DNA replication Al the above None of the above Filtration is the physical removal of microbes by pening age or liquid through a fiber Tor F Chemical Agents in Microbial Control include Disinfectants, antiseptics, sterilants, degermees, and preservatives. Some desirable qualities of chemicals include modation in bw concentration brand pastrum s botiaily à all the...
Which of the following statements concerning probability sampling is not true? a. The target population defines the research objective. b. The definition of alternative target populations can nearly always be made. c. The sample frame consists of a list of population members or of a procedure by which sampling units can be located. d. When a choice exists, preference should be given to populations that are convenient to sample. e. The specification of a target population should make clear what...
Hi, I need help please! What method of research can we assume Salk and Sabin used to acquire their vaccines? (Points : 4) Socratic Method Illustrative Method Visual Method Philosophical Method Scientific Method (TCO 9) Cat fecal matter is one possible source for getting infected with _____, which invades the _____ system of humans. (Points : 4) Chagas’ disease; circulatory African sleeping sickness; nervous Western sleeping sickness; circulatory toxoplasmosis; lymph ...
QUESTION 20 Which of the following statements is most true regarding the treatment of pedophilia? A. Antiandrogen drugs are not often used to treat pedophilia B. Antiandrogen drugs can sometimes be effective in treating those pedophilles who are highly motivated to change C. Antiandrogen drugs are highly effective in treating both motivated and non motivated to change pedophilles D. Antiandrogen drugs are illegal for treating pedophilia in the United States QUESTION 28 In order to stand trial in the United...
MUN for the rapid SA can be enormously benehciarlo NS FOR FURTHER REVIEW be found in the answer section at the back wers only after you have attempted to solve th at the back of this d to solve the ques- Answers to these questions can be found in the study guide. Refer to the answers only after you tions ON JONr Own. Multiple Choice 1. DNA genomes are found in: a. All organisms and all viruses b. All organisms,...
Q1 Which of the following is true for a MOS capacitor with a P-type body? Select one: a. The charge in the inversion layer stays approximately constant as the gate voltage is increased above the threshold voltage b. The charge in the depletion region is proportional to the square root of the depletion region width, assuming that the body is uniformly doped c. In inversion, the total charge is equal to the sum of the charge in the depletion region...