4 ho mark DNA is able bonge hydrogen bands are formed between thymine and racil d punine and adenine cytosine and thymine e purines and pyrimidines Cadenine and uncil 3 (two marks) The nucleotide at the end of one strand of a fragment of double stranded DNA has a free phosphate attached to the carbon of its deoxyribose sugar. The complementary nucleotide has a. a free phosphate attached to the 3'carbon of its dooxyribose sugar b. a hydroxyl group (-OH) attached to the carbon of its dooxyribose sugar c. a free phosphate attached to the 5 carbon of its deoxyribose sogar da hydroxyl group attached to the carbon of its deoxyribose two hydrogen atoms attached to the carbon of its deoxynboe sogar 6 ho marks) If the percentage composition of thymine in a DNA molecule is 22% what is the percentage composition of storie . b. 32% 26% d. 22% 1896 +(o marks) In 1869, Miescher extracted uden trom a slime would pas cells bacterial cells dodoodolls viruses $8501 Lesson Assement Page 2 & the marke) Which of the following statements concerning Griffiths week with replaconus pennarit incorrect? injected how itled S-form bacteria allowed mice to survive bingocted hea killed S-form bacteria together with live form bacteria kiedmice cocted S-form bacteria kitled mice dicted R form bacteria killed mice e shes fomu buderia are enveloped with a capsule of polysaccharide 5 herpes ans of the same element with the same number of protons, but different numbers of our b with the aber of ron, but different number of proton with the same numbers of protons and net but differentes e doces d with the number of peoton, but different sumber of tions and electron with different numbers of protos and electron 10 como Hershed Cheropert an intended to demonstrate that the protein me ata bacteriophage maineel studies bacterial celler infection volved finding tabirctivity inside bacteria inded with bacteriophage hing INNA wolved fining radiacity mide bacterianted with bacteriophage having EXNA labelled with involved finding activity inside bacterias infected with bacteriopiange having protein labelled with involved finding ravity mide bacteria niemal with baterapias luving protein labelled with 11 ore, AINA nucleotide conta evclientom-com. a single ting containing the carbo 3 perwachts for an yg dings.comtralatom In order, 1.2 und 3 are a phosphate group + Bn cerg, 4 way, hange bar, ahas, a phosphate group a phosphate propuse ca base, as, a phophalegro SEA 12. Two marks) A covalent bond, which includes trogen or skype stom, between a sugar and mother organic molecule is het described glycosyl hend domly weak bphosphodiesterhood curl bond complementary bond 11. Duomo deciso de 5 carbono bicarbonato 6 carbon d carbon atom 5 carbon womandant 14 homari During Xmay affection analysis, which commit of bended to surrounded by empty Set bombarded by Xrays Which The Xyrohem The X ray we blocked by a through myspace The X. deflected by the d The Xmas tremend bounce hack of the stom This technique des changes in the who de Xays which are detected by