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: 4742

#Unit 8. Inheritance Biology

In birds, sex is determined by a ZW chromosome scheme. Males are ZZ and females are ZW. A recessive lethal allele that causes death of the embryo is sometimes present on the Z chromosome in pigeons. What would be the sex ratio in the offspring of a cross between a male that is heterozygous for the lethal allele and a normal female?

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#Question id: 12059

#Unit 7. System Physiology – Animal

A 19-year-old man is fed intravenously for several weeks following a severe automobile accident. The intravenous feeding leads to atrophy of the gastrointestinal mucosa most likely because the blood level of which of the following hormones is reduced?

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#Question id: 17074

#Unit 12. Applied Biology

What are some disadvantages of monoclonal antibody production?

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#Question id: 19072

#Unit 4. Cell Communication and Cell Signaling

Bacterial surface triggered immunity in the host plant gives response 

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#Question id: 10248

#Unit 10. Ecological Principles

Factors involved in an animal’s foraging "strategy" are