{"id":50793,"date":"2017-06-12T10:39:15","date_gmt":"2017-06-12T10:39:15","guid":{"rendered":"http:\/\/news.gyankatta.org\/?p=50793"},"modified":"2017-06-12T13:17:56","modified_gmt":"2017-06-12T13:17:56","slug":"50793","status":"publish","type":"post","link":"https:\/\/news.gyankatta.org\/?p=50793","title":{"rendered":"New Questions 12 June 2017"},"content":{"rendered":"

Restriction enzymes
\na) are present in bacteria and are involved in host\u00a0restriction system
\nb) cleave viral DNA inside bacterium
\nc) are enzymes involved in defence against\u00a0bacteriophages
\nd) all of these \u00a0*<\/span><\/p>\n

 <\/p>\n

Which substance forms approximately 20% of air?
\n1. Carbon dioxide
\n2. Nitrous oxide
\n3. Oxygen *
\n4. Hydrogen<\/p>\n

 <\/p>\n

In adult males, the percentage of water found in the body is:
\n1. 65%
\n2. 60%
\n3. 55%
\n4. 78% *<\/p>\n

 <\/p>\n

Nucleic acids consist of:
\n1. Organic molecules
\n2. Inorganic molecules
\n3. Inorganic salts
\n4. Hormones<\/p>\n

 <\/p>\n

Atmospheric pressure is important in the process of:
\n1. Blood flow
\n2. Micturition
\n3. Breathing *
\n4. Reproduction<\/p>\n

 <\/p>\n

The first Type II enzyme isolated was
\na) Eco R1 \u00a0*
\nb) Hind III
\nc) Bam HI
\nd) Sal I<\/p>\n

 <\/p>\n

Which of the following ions are required for the activity\u00a0of Type II restriction enzymes
\na) Ca 2+
\nb) Mg 2+ *
\nc) Cl 2+
\nd) Mn 2+<\/span><\/p>\n

Typical type II restriction enzymes\u00a0usually require only Mg2+<\/sup> as a cofactor.<\/sup><\/p>\n

 <\/p>\n

Nathen, Arber and Smith were awarded with Nobel prize\u00a0for physiology and medicine in the year
\na) 1970
\nb) 1974
\nc) 1978 \u00a0*
\nd) 1980<\/span><\/p>\n

The Nobel Prize in Physiology or Medicine 1978. The Nobel Prize in Physiology or Medicine 1978 was awarded jointly to Werner Arber, Daniel Nathans and Hamilton O. Smith “for the discovery of restriction enzymes and their application to problems of molecular genetics”<\/span><\/span><\/p>\n

 <\/p>\n

Which of the following statements are true regarding\u00a0restriction enzymes
\na) Type I and II enzymes cuts far away from the\u00a0restriction sites
\nb) Type II cuts DNA within restriction sites
\nc) Eco R1 is a Type II restriction enzyme
\nd) all of these<\/span><\/p>\n

 <\/p>\n

 <\/p>\n

\"\"<\/p>\n","protected":false},"excerpt":{"rendered":"

Restriction enzymes a) are present in bacteria and are involved in host\u00a0restriction system b) cleave viral DNA inside bacterium c) are enzymes involved in defence against\u00a0bacteriophages d) all of these \u00a0*   Which substance forms approximately 20% of air? 1. Carbon dioxide 2. Nitrous oxide 3. Oxygen * 4. Hydrogen   In adult males, the […]<\/p>\n","protected":false},"author":2,"featured_media":50798,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[12],"tags":[],"class_list":["post-50793","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gk","cat-12-id","has_thumb"],"yoast_head":"\nNew Questions 12 June 2017 - Gyankatta<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/news.gyankatta.org\/?p=50793\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"New Questions 12 June 2017 - Gyankatta\" \/>\n<meta property=\"og:description\" content=\"Restriction enzymes a) are present in bacteria and are involved in host\u00a0restriction system b) cleave viral DNA inside bacterium c) are enzymes involved in defence against\u00a0bacteriophages d) all of these \u00a0*   Which substance forms approximately 20% of air? 1. 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