Studies regarding rat learning and brain structure by Greenough, et al. (1990) and Wallace, et al. (1992) suggest that: <u>Early experiences such as learning cause physical changes in the brain.</u>
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The brain structure is composed of three main parts: the forebrain, midbrain and hindbrain, each with multiple parts.The brain is housed inside the bony covering called the cranium. The cranium protects the brain from injury.
Brains structure are made of soft tissue, which includes gray and white matter, containing the nerve cells, non-neuronal cells (which help to maintain neurons and brain health), and small blood vessels.
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Scalloped patterns of responding are typically associated with Fixed interval schedules. This is further explained below.
<h3>What are
Fixed interval schedules?</h3>
Generally, Fixed-interval schedules are ones in which the first answer will not be rewarded until a certain length of time has passed from the beginning of the schedule.
In conclusion, Responses that follow a scalloped pattern are often connected with programs that use fixed intervals.
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Answer:
in 9th grade i took biology. but i dont know about the schools where you lived but i lived in florida my 9th grade year. it might be different in other state. my 10th grade year i took chemistry and this year (11th grade) i took environmental science. If you have any other questions just ask me in the comments!!
Answer:
The best answer to fill in the blank in the question: Active transport is the protein-mediated movement of substances _____, would be: Against a concentration gradient.
Explanation:
In cellular activity there are several means by which a cell may either introduce, or expell, molecules, ions, gases, waste, or water to survive. While some of these elements may enter a cell´s intracellular environment, and leave it, relatively easily, some require the help of proteins present in a cell membrane in order to either enter or exit the cell. Ions, especially, given that they are vital to maintain the cell´s capability of reacting to different stimulus, have to be particularly balanced out and controlled. In order to do so, the cells membrane possesses a series of proteins inserted between the layers that work as both gated channels and also as transporters that will allow the ions to move as they are required by the cell. Active transport then is the active passage by these proteins on the cell´s membrane of ions against their concentration gradients.
Answer:
C. Must occur within 12 months of the approval date.
Explanation:
Whenever a sociological, scientific, political, or any other field study is conducted, the authors of this study submit it for publication so that the results can be disseminated and the study can be performed by other interested persons. Prior to publication, the study will be reviewed by the institutional review committee, also known as IRB, which will ensure that the study meets the ethical and moral standards of a research. If the IRB considers the study to be appropriate against these standards, the study is released for publication. Once released, the study must undergo a continuous review within 12 months from the date of approval.
