Adrop of blood is discovered at a crime scene. in order to determine if it is human blood, the forensic investigator performed the precipitin test using "anti-human antibodies from a rabbit. the sample coagulates. what origin is the sample from? a) cat b) dog c) human d) rabbit

Answer

Option C) human is the correct option.

Explanation

Antibodies (likewise called immunoglobulins) are expansive Y-formed proteins. They are found in the blood or other body liquids of vertebrates. Antibodies are the key component in the versatile safe framework. The immunizer perceives a one of a kind piece of the remote target called an antigen.

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information: because weak acids/bases have low concentration of hydrogen ions, the addition of water has a large impact on the ph. 2. a difference in 1 unit is a 10x difference in concentration for example; a liquid with ph of 3 is 10x more acidic than a liquid with a ph of 4. therefore, a liquid with a ph of 3 is stronger.

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