The development of the reproductive systems begins soon after fertilization of the egg, with primordial gonads beginning to develop approximately one month after conception. Reproductive development continues in utero, but there is little change in the reproductive system between infancy and puberty.

In the thirteenth century, Ma Tuan-Lin, a Chinese historian, first recognized social dynamics as an underlying component of historical development in his seminal encyclopedia, General Study of Literary Remains.

RNA is transcribed, but must be processed into a mature form before translation can begin.

Eukaryotic gene expression is more complex than prokaryotic gene expression because the processes of transcription and translation are physically separated.

Previous sections of this chapter focused on classical and operant conditioning, which are forms of associative learning.

The previous section of this chapter focused on the type of associative learning known as classical conditioning.

Like prokaryotic cells, the transcription of genes in eukaryotes requires the action of an RNA polymerase to bind to a DNA sequence upstream of a gene in order to initiate transcription.

Does the name Ivan Pavlov ring a bell? Even if you are new to the study of psychology, chances are that you have heard of Pavlov and his famous dogs.

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