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Choose the correct word for the sentence. We were [ lead / led ] to believe that this test would be much harder.

Which sentence has correctly placed commas? More than one option should be selected.

Which is not a fragment.

Which sentence has correct capitalization?

Choose the sentence with correct punctuation and capitalization.

Which sentence includes unnecessary information that needs to be deleted?

Thinking back through the videos in the discussions that you watched, Which video was particularly helpful or interesting to you? Why?

In summer of 2024, the XEC strain of SARS-CoV-2, the causative agent of the current COVID pandemic, was detected, and it displaced other variants as it spread globally during fall 2024. XEC is a recombinant, that is, it resulted when two strains infected an individual, and inside a single cell infected with both strains, during replication, the RNA-dependent RNA polymerase replicated part of the genome of the first, dropped off and attached to the genome of the second, replicated part of it, dropped off, reattached to the genome of the first, etc., yielding a replicated genome consisting of parts of both strains. This type of recombination, that can result in substantially different antigenic structures on the virus that can lead to immune escape, is termed ______. Copyright 2024 by Dr. Jonathan A. Miller. All rights reserved. Online sharing or distribution is prohibited. For exam use only in BIOL& 260: Microbiology at Edmonds College. Outside help is not allowed.

The bicuspid valve is located between these two chambers of the heart.

The pericardium consists of how many layers?