nucleotides and nucleic acids ppt to pdf

Nucleotides And Nucleic Acids Ppt To Pdf

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Clipping is a handy way to collect important slides you want to go back to later. Nucleotides that compose DNA are called deoxyribonucleotides. Learn new and interesting things. Get ideas for … A level biology new specification for E ach nucleot i de cont ai ns a phosphate group, a sugar group and a ni t rogen base.

Nucleic acid metabolism

The five bases that are found in nucleotides are often represented by their initial letter: adenine, A; guanine, G; cytosine, C; thymine, T; and uracil, U. You are not required to memorize the structures of these bases, but you must know how each one bonds to the sugar unit in a nucleotide. The Learning Objective of this Module is to identify the different molecules that combine to form nucleotides. The repeating, or monomer, units that are linked together to form nucleic acids are known as nucleotides. Nucleotides can be further broken down to phosphoric acid H 3 PO 4 , a pentose sugar a sugar with five carbon atoms , and a nitrogenous base a base containing nitrogen atoms. If the pentose sugar is ribose, the nucleotide is more specifically referred to as a ribonucleotide , and the resulting nucleic acid is ribonucleic acid RNA. If the sugar is 2-deoxyribose, the nucleotide is a deoxyribonucleotide , and the nucleic acid is DNA.

Copy embed code:. Automatically changes to Flash or non-Flash embed. WordPress Embed Customize Embed. URL: Copy. Presentation Description No description available. Fluorouracil Pathway: Fluorouracil Pathway Suicide inhibition because Flurouracil does not directly inhibit enzyme. Methotrexate: Methotrexate Competitive inhibitor of Dihydrofolate Reductase Used in, Acute lymphoblastic leukemia Osteosarcoma in children Solid tumor treatment Breast, head, neck, ovary, and bladder Prevents regeneration of tetrahydrofolate and removes activity of the active forms of folate Leucovorin Rescue Strategy in Methotrexate Chemotherapy: Leucovorin Rescue Strategy in Methotrexate Chemotherapy Patients given sufficient methotrexate that if were not followed by Leucovorin N 5 -methenyl-THF would be fatal.

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Nucleic Acids and Protein Synthesis ppt.pdf

Nucleic acids are the polymers of nucleotides. Nucleotide synthesis is an anabolic mechanism generally involving the chemical reaction of phosphate , pentose sugar , and a nitrogenous base. Destruction of nucleic acid is a catabolic reaction. Additionally, parts of the nucleotides or nucleobases can be salvaged to recreate new nucleotides. Both synthesis and degradation reactions require enzymes to facilitate the event. Defects or deficiencies in these enzymes can lead to a variety of diseases. Nucleotides can be separated into purines and pyrimidines.

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Easy Biology Class

 Лжец, - засмеялась Сьюзан, открывая.  - Я же угада… - Но она замолкла на полуслове. На ее пальце было не кольцо Танкадо. Это было другое кольцо - платиновое, с крупным сверкающим бриллиантом.

Только подумайте. Беккер встревожился: - Так кольца у вас. - Боже мой, конечно. Беккер ощутил тупую боль в желудке.

Комнату освещали лишь странные оранжевые блики. В воздухе пахло жженой пластмассой. Вообще говоря, это была не комната, а рушащееся убежище: шторы горели, плексигласовые стены плавились.

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Учитель превратился в ученика. Однажды вечером на университетском представлении Щелкунчика Сьюзан предложила Дэвиду вскрыть шифр, который можно было отнести к числу базовых. Весь антракт он просидел с ручкой в руке, ломая голову над посланием из одиннадцати букв: HL FKZC VD LDS В конце концов, когда уже гасли огни перед началом второго акта, его осенило. Шифруя послание, Сьюзан просто заменила в нем каждую букву на предшествующую ей алфавите. Для расшифровки Беккеру нужно было всего лишь подставить вместо имеющихся букв те, что следовали непосредственно за ними: А превращалось в В, В - в С и так далее.

 Позвольте вам сразу кое-что объяснить, - сказал директор. Секунду спустя оба, залившись краской, делали доклад директору Агентства национальной безопасности. - Д-директор, - заикаясь выдавил светловолосый.  - Я - агент Колиандер. Рядом со мной агент Смит. -Хорошо, - сказал Фонтейн.  - Докладывайте.

28.2: Nucleotides and Nucleic Acids


Greg C.

The nucleic acid backbone then is asequence of sugar-phosphate groups, whichdiffer only in the sequence of bases.


Gilbert C.

8. Nucleotides and Nucleic - Free download as Powerpoint Presentation .ppt), PDF File .pdf), Text File .txt) or view presentation.


Agrican L.

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