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  2. Information-transfer transaction - Wikipedia

    en.wikipedia.org/wiki/Information-transfer...

    In the case of information-transfer transactions, one most consider the costs of time and means (money). Both of these costs are corollated with one another in that to decrease one, you must increase the other. For example, say Person #1 sends a letter through the mail, while Person #2 sends letters through email. For Person #1 to send their ...

  3. AP Biology - Wikipedia

    en.wikipedia.org/wiki/AP_Biology

    Advanced Placement (AP) Biology (also known as AP Bio) is an Advanced Placement biology course and exam offered by the College Board in the United States. For the 2012–2013 school year, the College Board unveiled a new curriculum with a greater focus on "scientific practices".

  4. Email agent (infrastructure) - Wikipedia

    en.wikipedia.org/wiki/Email_agent_(infrastructure)

    An e-mail agent is a program that is part of the e-mail infrastructure, from composition by sender, to transfer across the network, to viewing by recipient. The best-known are message user agents (MUAs, aka, e-mail clients) and message transfer agents (MTAs, programs that transfer e-mail between clients), but finer divisions exist.

  5. Message delivery agent - Wikipedia

    en.wikipedia.org/wiki/Message_delivery_agent

    A message delivery agent (MDA), or mail delivery agent, is a computer software component that is responsible for the delivery of e-mail messages to a local recipient's mailbox. [1] It is also called a local delivery agent ( LDA ).

  6. DNA transposon - Wikipedia

    en.wikipedia.org/wiki/DNA_transposon

    DNA transposons are DNA sequences, sometimes referred to "jumping genes", that can move and integrate to different locations within the genome. [1] They are class II transposable elements (TEs) that move through a DNA intermediate, as opposed to class I TEs, retrotransposons, that move through an RNA intermediate. [2]

  7. Inferring horizontal gene transfer - Wikipedia

    en.wikipedia.org/wiki/Inferring_horizontal_gene...

    Horizontal or lateral gene transfer (HGT or LGT) is the transmission of portions of genomic DNA between organisms through a process decoupled from vertical inheritance.In the presence of HGT events, different fragments of the genome are the result of different evolutionary histories.

  8. Gene delivery - Wikipedia

    en.wikipedia.org/wiki/Gene_delivery

    Gene delivery is the process of introducing foreign genetic material, such as DNA or RNA, into host cells. [1] Gene delivery must reach the genome of the host cell to induce gene expression. [2]

  9. List of unsolved problems in biology - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    1.2 Biochemistry and cell biology. ... 2.1.1 Neurophysiology. 2.1.2 Cognition and psychology. ... How does the brain transfer sensory information into coherent, ...