Which of the following is (are) unique to animals?

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#Question id: 757

#SCPH05 I Biotechnology

_______________ a bacterial enzyme, uses the energy of ATP hydrolysis to introduce negative supercoiling into DNA hence removing positive supercoiling generated during replication.

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#Question id: 19515

#SCPH05 I Biotechnology

Which of the following claims about electrochemical cells is true?

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#Question id: 10961

#I Life Science/ Life Sciences Group – I-V

Over the past 12 weeks, a 75-year-old man with a moderate aortic stenosis has developed shortness of breath and chest pains during exertion. He appears pale. Test of his stool for blood is positive. Laboratory studies show the following: hemoglobin 7.2 g/dL, and mean corpuscular volume 75. A blood smear shows microcytic, hypochromic erythrocytes. Which of the following is the most likely diagnosis?

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#Question id: 18387

#SCPH28 | Zoology

Structural features that make these compounds resistant to microbial degradation include

1. substitution of H by other groups

2. heterocyclic compounds

3. branched linear chains

Which of the above are correct?

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#Question id: 10984

#SCPH28 | Zoology

Which of the following are caused by acetylcholine?