Lysozyme that is present in perspiration, saliva and
tears, destroys
(a) certain types of bacteria
(b) all viruses
(c) most virus-infected cells
(d) certain fungi.

1 Answer

Answer :

(a) certain types of bacteria

Related questions

Description : Which of the following is not correctly matched for the organism and its cell wall degrading enzyme? (a) Algae – Methylase (b) Fungi – Chitinase (c) Bacteria – Lysozyme (d) Plant cells – Cellulase

Last Answer : (a) Algae – Methylase

Description : Lysozyme is present in A- sweat B- Cerebro spinal fluid (CSF) C- Urine D- Saliva

Last Answer : Saliva

Description : A viral load test detects the A- provirus of HIV in infected cells B- .total amount of virus in the infected host C- number of viruses being released by each infected cell D- .amount of bacteriophage being produced by E. coli cells

Last Answer : provirus of HIV in infected cells

Description : The saliva pH is approximately 6.8. It is thus a slightly acid pH. Saliva lubricates the food bolus and initiates the enzymatic extracellular digestion of food. It also works as a buffer for the ... 's milk and in the mucosae of the intestine and airways) that protect the organism against pathogens.

Last Answer : What is the salivary digestive enzyme? Which type of food does it digest and into which smaller molecules does it transform the food?

Description : Carbohydrates, the most abundant biomolecule on earth, are produced by (a) some bacteria, algae and green plant cells (b) fungi, algae and green plant cells (c) all bacteria, fungi and algae (d) viruses, fungi and bacteria.

Last Answer : (a) some bacteria, algae and green plant cells

Description : Which classification would include prokaryote cells that live in extreme conditions like hot springs and the Dead sea? a. Bacteria b. Fungi c. Viruses d. Archaea

Last Answer : d. Archaea

Description : The role of the M cell is to A- .trap virus in mucus and prevent entry B- induce apoptosis in virus-infected small intestinal epithelia cells C- pass bacteria or virus to underlying macrophages for ... and presentation of antigen D- they use their cilia to propel mucus out of the small intestine

Last Answer : pass bacteria or virus to underlying macrophages for processing and presentation of antigen

Description : In the United States, nurses performing invasive procedures need to be up-to-date with their immunizations, particularly a) Hepatitis B. Hepatitis B is transmitted through contact with infected blood ... infected person. d) Hepatitis C. At present, immunization against hepatitis C is not available.

Last Answer : a) Hepatitis B. Hepatitis B is transmitted through contact with infected blood or plasma.

Description : Mycoplasmas, rickettsiae, and chlamydiae are A- .types of fungi B- small bacteria C- species of protozoa D- forms of viruses

Last Answer : small bacteria

Description : Which among the following is correct regarding the Boot Sector Viruses: a) These viruses are resides in the boot sector of a floppy or hard disk. b) Such viruses are activated every time a computer ... uninfected floppy disk is inserted into the floppy drive d) All of the Above e) None of These

Last Answer : d) All of the Above

Description : Human immunodeficiency virus destroys (A) Cytotoxic T cells (B) Helper T cells (C) B cells (D) Plasma cells

Last Answer : Answer : B

Description : Isoniazid is a primary antitubercular agent that (a) Requires pyridoxine supplementation (b) May discolor the tears, saliva, urine or feces orange-red (c) Causes ocular complications that are reversible if ... (d) May be ototoxic and nephrotoxic (e) Should never be used due to hepatotoxic potential

Last Answer : Ans: A

Description : What is theInfection of the lungs caused by viruses bacteria or fungi?

Last Answer : Need answer

Description : Motoxins are produced by - (1) Bacteria (2) Algae (3) Viruses (4) Fungi

Last Answer : (4) Fungi Explanation: Aflatoxin are naturally occurring mycotoxins that are produced by Aspergillus flavus and Aspergillus parasiticus, species of fungi. They have been associated with various diseases, such as aflatoxicosis, in livestock, domestic animals and humans throughout the world.

Description : Of all micro-organisms, the most adaptable and versatile are – (1) Viruses (2) Bacteria (3) Algae (4) Fungi

Last Answer : (1) Viruses Explanation: The viruses are adaptable and versatile with many variations worldwide and they reproduce within the cells of the immune system of infected people. ... versatility an individual has developed to respond to changing interpersonal situations and environmental requirements.

Description : Enzymes are absent in – (1) fungi (2) bacteria (3) viruses (4) algae

Last Answer : (3) viruses

Description : Name two diseases caused by following groups of micro-organisms. a) Bacteria b) Viruses c) Protozoa d) Fungi

Last Answer : Answers: a) Tuberculosis, Typhoid, Cholera b) Poliomyelitis, Influenza c) Sleeping sickness, Amoebic dysentery d) Ringworm, Actinomycosis

Description : Interferons are synthesized in response to (a) mycoplasma (b) bacteria (c) viruses (d) fungi.

Last Answer : (c) viruses

Description : Ringworm in humans is caused by (a) bacteria (b) fungi (c) nematodes (d) viruses.

Last Answer : (b) fungi

Description : Antibiotics are products of (a) Bacteria and fungi (b) Fungi and parasites (c) Parasites and bacteria (d) Fungi and viruses

Last Answer : (a) Bacteria and fungi

Description : Curing of tea leaves is brought about by the activity of (a) fungi (b) bacteria (c) mycorrhiza (d) viruses.

Last Answer : (b) bacteria

Description : Which one of the following pairs is incorrectly matched as to antibiotic and use? a. Penicillin-gram-positive bacteria b. Nystatin-fungi c. Tetracycline-viruses d. Griseofulvin-fungi

Last Answer : c. Tetracycline-viruses

Description : What is Mycology? A-Study of viruses B- Study of nucleic acid C- Study of bacteria D-Study of fungi

Last Answer : Study of fungi

Description : What group of microbial agent was identified from the work of Ivanowsky a Beijerinck? a. Viruses b. Fungi c. Protozoa d. Bacteria

Last Answer : a. Viruses

Description : Of the microorganisms, ____ are the greatest threat to food safety. a. viruses c. fungi b. parasites d. bacteria

Last Answer : d. bacteria

Description : Molds and yeast are classified as ____. a. viruses c. fungi b. parasites d. bacteria

Last Answer : c. fungi

Description : ____ are the tiniest, and probably the simplest form of life. a. Viruses c. Fungi b. Parasites d. Bacteria

Last Answer : a. Viruses

Description : Afla toxins are produced by (1) Bacteria (2) Algae (3) Viruses (4) Fungi

Last Answer : Fungi

Description : The scavengers f earth are (1) Bacteria (2) Viruses (3) Algae (4) Fungi

Last Answer : Algae

Description : Of all micro-organisms, the most adaptable and versatile are (1) Viruses (2) Bacteria (3) Algae (4) Fungi

Last Answer : Viruses

Description : Where will you look for the sporozoites of the malarial parasite? (a) Saliva of infected female Anopheles mosquito (b) Red blood corpuscles of human suffering from malaria (c) Spleen of infected humans (d) Salivary glands of freshy moulted female Anopheles mosquito

Last Answer : (a) Saliva of infected female Anopheles mosquito

Description : The cell walls of many gram positive bacteria can be easily destroyed by the enzyme known as A-lipase B- .lysozyme C- .pectinase D-.peroxidase

Last Answer : .lysozyme

Description : Which of the following is TRUE in regard to high risk patient?** A. 0.1ml of blood from Hepatitis B carrier is less infective than 0.1ml of blood from HIV patient B. 0.1ml of blood from ... B patient E. The presence of Hepatitis B core Antigen in the blood means that active disease is not present

Last Answer : B carrier is more infective than 0.1ml of blood from HIV patient C. Level of virus are similar in the blood and saliva of HIV patient

Description : The process of conjugation in bacteria requires that _____. a. Two Types Of Viruses Be Present. b. The Conjugating Bacteria Be Deprived Of Nutrients. c. Two Bacteria Exchange Dna. d. Two Live Bacteria Come Together.

Last Answer : d. Two Live Bacteria Come Together.

Description : The antibiotic penicillin is obtained from which of the following? (1) synthetic process (2) a bacterium (3) fungus (4) virus infected cells

Last Answer : (3) fungus Explanation: Penicillins are a group of antibiotics used to treat a large range of bacterial infections. They are derived from Penicillium fungi and can be taken orally or via injection. Penicillin was discovered in 1928 by Scottish scientist Alexander Fleming.

Description : At which stage of HIV infection does one usually show symptoms of AIDS? (a) Within 15 days of sexual contact with an infected person (b) When the infected retro virus enters host cells (c) ... large number of helper T  - lymphocytes (d) When the viral DNA is produced by reverse transcriptase

Last Answer : (c) When HIV damages large number of helper T  - lymphocytes

Description : With regard to interferons: a. they are produced by B lymphocytes b. IFN-gamma is produced by cells infected with virus c. IFN-gamma increases MCH class I and II expression in antigen presenting cell d. IFN-gamma is produced by fibroblasts

Last Answer : IFN-gamma is produced by cells infected with virus

Description : The following are true : a. the HLA proteins are found within the cytoplasm of the cells b. HLA class I antigens are expressed on all cells with nuclei c. HLA class II antigens presents ... on chromosome 6 e. HLA tissue typing is carried out in all forms of transplantation to prevent rejection

Last Answer : HLA class I antigens are expressed on all cells with nuclei

Description : Regarding interferon: a. it is a virus specific molecules b. it acts by neutralizing exotoxin c. it enhances the histocompatibility antigen on cell surface and thereby activate the T cells d. it exerts its effect by integrating itself with the DNA of virus infected cells

Last Answer : it enhances the histocompatibility antigen on cell surface and thereby activate the T cells

Description : ____ becomes activated to eliminate "nonself" cells, such as virus- infected cells or cancer cells. a. Humoral immune response b. Cell-mediated immune response c. Complement d. Inflammation

Last Answer : b. Cell-mediated immune response

Description : Virus infected cells produce a set of cytokine proteins called _____ that "alert" surrounding cells to the viral threat. a. Interleukin-1 (IL-1) b. Interferon. c. Toll Like Receptors (TLR) d. Acute Phase Proteins

Last Answer : b. Interferon.

Description : Which of the following is correct for CD8 T cells? A- CD8 T cells only recognize virus-infected cells B- CD8 T cell receptor recognizes epitopes that are also commonly recognized by B cells ... selection only D- CD8 T cells can kill individual virus-infected cells in a contact dependent fashion

Last Answer : CD8 T cells can kill individual virus-infected cells in a contact dependent fashion

Description : Cytotoxic T cells a) lyse cells infected with virus. Cytotoxic T cells play a role in graft rejection. b) are important in producing circulating antibodies. B cells are lymphocytes important in producing ... that decrease B-cell activity to a level at which the immune system is compatible with life.

Last Answer : a) lyse cells infected with virus. Cytotoxic T cells play a role in graft rejection.

Description : The high virus selectivity of acyclovir is due to: A. Its preferential uptake by virus infected cells B. Need of virus specific enzyme for its conversion to the active metabolite C. Its action on ... reverse transcriptase which does not occur in noninfected cells D. Both A' and B' are correct

Last Answer : D. Both ‘A’ and ‘B’ are correct

Description : 6 Interferons are produced by virus infected cells to protect healthy plants from virus infection. Identify the type of barrier it represents. a. cytokine b. physical c. cellular d. physiological

Last Answer : Ans. cytokine

Description : The antibiotic penicillin is obtained from which of the following ? (1) synthetic process (2) a bacterium (3) fungus (4) virus infected cells

Last Answer : fungus

Description : Assertion : Interferons are a type of antibodies produced by body cells infected by bacteria. Reason : Interferons stimulate inflammation at the site

Last Answer : Assertion : Interferons are a type of antibodies produced by body cells infected by bacteria. Reason ... . If both the assertion and reason are false

Description : Decomposition of organic matter is due to (a) Virus (b) Fungi (c) Bacteria (d) None of these

Last Answer : Ans:(c)

Description : Mouth and foot disease in cattle are caused due to (a) Bacteria (b) Virus (c) Fungi (d) Penicillium

Last Answer : Ans:(b)

Description : The casual organism of Polio is - (1) A fungi (2) A virus (3) A worm (4) A bacteria

Last Answer : (2) A virus Explanation: Polio is a highly infectious disease caused by a virus. Its causative agent, poliovirus, was identified in 1908 by Karl Landsteiner. The polio virus invades the nervous system, and can cause total paralysis in a matter of hours.