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question 6

Essay

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Retrotransposon repeats account for just over ___1___ % of our genome and are classified into three broad families. One family resembles a class of RNA virus, known as a ___2____. Like a ___2____, they contain direct repeats at their ends, known as ___3____ ____4____ repeats, and full-length family members have the same gene structure as a simple ____2____. A second family of retrotransposon repeats, known as ____5____ , has some full-length copies with sizes of 6-8 kb, and like the retrovirus-like family some of them are able to make a specialized DNA polymerase known as _____6____ ____7_____. A third family of retrotransposon repeats, known as ___8____, have short full-length sequences of between 100 and 300 bp, and are exemplified by ___9____ repeats, the most prolific DNA sequence in the human genome, with a copy number of more than ____10____ ____11_____ repeats. Only a small fraction of the retrotransposon repeats can actively transpose (most are truncated copies or have ____11_____ mutations). ___8____ repeats and other _____8_____ are unable to make a ____6____ ____7_____ but very occasionally do transpose using a ____6____ ____7_____ produced by another retrotransposon.

Recognize the role of ratings, reviews, and testimonials in social commerce.

Understand the use of social commerce tools and applications in enhancing the shopping experience.

Identify key components of word-of-mouth marketing.

Understand how personal perceptions and cognitive biases affect consumer behavior.

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Definitions:

Minimum Duration

The shortest possible time in which a project or task can be completed, taking all constraints into account.

Immediate Predecessors

Activities or tasks that must be completed directly before a subsequent activity or task can begin, in a project or process sequence.

Critical Path

The longest sequence of tasks in a project, which determines the shortest possible duration to complete the project.

Slack

The amount of time a task in a project can be delayed without causing a delay to subsequent tasks or the project finish date.