A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

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A methyl group can be added to a cytosine residue, usually one that neighbors a guanine (known as a CpG - cytosine-phosphate-guanine - site). This can affect chromatin and histone structures, as well …
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The study of reptiles and amphibians, and a subarea of zoology.
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An organism which thrives in extreme chemical or physical conditions which would be harmful to most life forms.
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Tag for questions related to 1) the reception of genetic qualities by transmission from parent to offspring or 2) all of the genetic characters or qualities transmitted from parent to offspring.
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Movement through the atmosphere using wings or other structures to generate lift.
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Behaviours that transfer information between organisms
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the agents which cause most of the toxicity of bacteria and are often highly toxic. Examples include the tetanus and the diptheria toxins.
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A method of determining the arrangement of atoms within a crystal, in which a beam of X-rays strikes a crystal and causes the beam of light to spread into many specific directions.
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Children born from the same pregnancy. Twins can result from either a single zygote (monozygotic, or identical twins) or from two, separately-fertilized egg cells (dizygotic, or fraternal twins).
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Tag related to questions on the sense of touch and haptics, including, but not limited to peripheral processes dealing with touch, central processing of touch stimuli in the brain; kinesthetic systems…
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Reproduction involving two morphologically distinct gametes, such as sperm and egg, where offspring inherit genes from two parents.
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the process in which living organism synthesize molecules and substances they need. Examples would be the photosynthesis where in the end glucose is synthesized or melanin as the resul…
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Acquired ImmunoDeficiency Syndrome (AIDS) is a disease caused by the Human Immunodeficiency Virus (HIV), that results in loss of CD4+ T-Lymphocyte thereby leading to a loss of immune function.
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Questions pertaining to variation in the number of copies of a chromosomal region.
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a nutrional white liquid produced by the mammary glands of mammals to feed their offsprings.
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Is the process of covalently link two DNA ends. The process is usually done by the enzyme class of ligases.
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useful for questions dealing with the senses in general. These include the five major sensory systems: olfaction (detection of smell), taste or gustation (the detection of organic compoun…