Description : A substance produced by a living organism and capable of antimicrobial activity is called a/an (A) Antibiotic (B) Antiseptic (C) Disinfectant (D) None of these
Last Answer : (A) Antibiotic
Description : What is the gelatinous substance produced by red algae which is used as a culture medium for bacteria called?
Last Answer : ANSWER: AGAR (pron: OG-er) or AGAR-AGAR (pron: OG-er-OG-er)
Description : The poisonous substance produced when the chlorine is exposed?
Last Answer : Phosgene
Description : In allergic reaction: a. Arthus reaction is a type IV reaction b. anaphylaxis occurs in patients who have had no previous exposure to the offending substance c. contact dermatitis is a type IV reaction d. positive Mantoux test is a type III reaction
Last Answer : contact dermatitis is a type IV reaction
Description : Catalyst is a substance which (1) increases the rate of the reaction (2) decreases the rate of reaction (3) has no action on the rate of the reaction (4) None of these
Last Answer : None of these
Description : What substance is produced from the starch and what it and used for?
Last Answer : Glucose is produced from the starch and it is used as energy for our bodies to use. it is also used to help ameoba which traps a chlamydomonas and digests it.
Description : What is the substance produced in the liver that acts in the small intestine during digestion?
Last Answer : How does that substance act in the digestive process?
Description : An antibiotic is - (1) achemical synthesized by a human cell against a microorganism (2) a chemical synthesised by amicro-organism against another micro-organisms (3) a substance produced by blood cells against bacteria (4) a substance produced by blood cells against infection.
Last Answer : (2) a chemical synthesised by amicro-organism against another microorganisms Explanation: An antibacterial is an agent that inhibits bacterial growth or kills bacteria. The term is often used ... by a microorganism that is antagonistic to the growth of other microorganisms in high dilution.
Description : An organic compound contain 69% carbon and 4.8% hydrogen, the remaining being oxygen. Calculate the masses of carbon dioxide and water produced when 0.20g of this substance is subjected to complete combustion.
Last Answer : Calculation of mass of CO2 produced: Mass of compound =0.20g %C =12 x C 69=12*mass of CO2 formed*100/44*0.2 Mass of CO2 formed =69*44*.2/12*100 = 0.506g Similarly, % H =2* mass of H2Oformed*100/18* ... compound 4.8=2* mass of H2Oformed*100/18* 0.2 Mass of H2Oformed =4.8*18*0.2/2*100 =0.0864g
Description : Fertilizin is a chemical substance produced from (a) polar bodies (b) middle piece of sperm (c) mature eggs (d) acrosome.
Last Answer : (c) mature eggs
Description : A rock is (A)a naturally occurring, hard, solid substance (B) any hard, solid substance on earth (C)an aggregate of minerals (D)only produced by cooling of magma
Last Answer : an aggregate of minerals
Description : What substance is produced at the cathode in the electrolysis of molten sodium chloride?
Last Answer : ANSWER: SODIUM
Description : An antibiotic is (1) a chemical synthesized by a human cell against a microorganism (2) a chemical synthesised by a micro-organism against another micro-organisms (3) a substance produced by blood cells against bacteria (4) a substance produced by blood cells against infection.
Last Answer : a chemical synthesised by a micro-organism against another micro-organisms
Description : What is a new substance that is formed and caused by a reaction?
Last Answer : Need answer