Answer:
The National Research Act of 1974 set the stage for several important systems of checks and balances in clinical research. It led to the creation of the National Commission for the Protection of Human Subjects of Biomedical and Behavioral Research, as well as the Belmont Report and Institutional Review Boards (IRBs).
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Answer:
a. lethargy, weight gain, cold extremities, and constipation
Explanation:
Caused by a decrease in thyroid hormone T3 (triiodothyronine) and T4 (thyroxine) production, hypothyroidism can lead to fatigue (lethargy), weight gain, cold intolerance, constipation, skin dryness, thinning hair, increased rates. cholesterol and menstrual flow, plus infertility and depression. These symptoms are not always all present, which makes it necessary to research thyroid dysfunction in front of any of them.
Although the reason has not yet been discovered, diseases caused by thyroid malfunction are more common in females. In addition, the risks increase with age. Thus, endocrinologists advise women over 40 in particular to have their thyroid self-examination periodically.
A valence electron is a negatively charged particle, located in the outermost shell of an atom, that can be transferred to or shared with another atom.
Option A.
The two sources of information used to direct the expression of genes during various stages of development are Transcription and Translation.
<h3><u>Explanation:</u></h3>
Both of them combined is called gene expression.Transcription is the process of sharing information stored in a DNA to RNA.
The process of translation is carried out in cytoplasm. Here, the mRNA, in which stands for messenger, send messages to a more complex and specialized molecule called the ribosome. The sequence present on the mRNA base is read by the ribosome.
Transcription takes place in nucleus and translation takes place in Cytoplasam. The products of transcription are mRNA, tRNA, rRNA. The products of translation are Proteins.
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