_ are sequences that are removed from primary transcripts, and _ are sequences that remain present in mature mRNA molecules.

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#Question id: 5537

#Unit 5. Developmental Biology

The segmented blocks of tissue that develop on each side of the notochord are called the

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#Question id: 18372

#Unit 12. Applied Biology

Which enzyme is used to degrade of chlorinated solvents and pesticides present in soil makes the soil contaminated

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#Question id: 5765

#Unit 8. Inheritance Biology

How many different trisomics could be formed in a plant with a diploid number of 12?

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#Question id: 6965

#Unit 5. Developmental Biology

what type of cleavage is used in frog embryos?

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#Question id: 11200

#Unit 7. System Physiology – Animal

Action potentials are normally carried in only one direction: from the axon hillock toward the axon terminals. If you experimentally depolarize the middle of the axon to threshold, using an electronic probe, then ________.