In prokaryotes, the RNA primer from the lagging strand is removed and replaced by the DNA sequence. This process is catalyzed by an enzyme ________ which possess 5'-3' exonuclease activity and 5'-3' polymerase activity.

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#Question id: 2017

#Section 2: General Biology

Which of the following could prevent the appearance of the symptoms of an allergy attack?

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#Question id: 2018

#Section 2: General Biology

What aspect of the immune response would a patient who has a parasitic worm infection and another patient responding to an allergen such as ragweed pollen have in common?

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#Question id: 2019

#Section 2: General Biology

Which of the following is not a component of an insectʹs defense against infection?

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#Question id: 2020

#Section 2: General Biology

Which statement best describes the difference in responses of effector B cells (plasma cells) and cytotoxic T cells?

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#Question id: 2021

#Section 2: General Biology

Which one of the following is not true for class 2 MHC protein?

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#Question id: 2022

#Section 2: General Biology

Which one of the following is not true for class 1 MHC protein?