Valency is the combining capacity of an element. The total number of electrons in the outermost shell varies from 1 to 8 there for the combining capacity will always be 1,2,3,4,5,6,7 or 8. Therefore valency is always positive. What does the positive and negative number of valency indicate? the wordRead More →
The purpose of the uninoculated tube is to use as a comparison to the tubes that were inoculated– makes it easier to see if acid was produced. The base broth has no sugar, so it acts as a negative control. What is the purpose of the Uninoculated sample? What isRead More →
Stains, or dyes, contain salts made up of a positive ion and a negative ion. Depending on the type of dye, the positive or the negative ion may be the chromophore (the colored ion); the other, uncolored ion is called the counterion. What type of stain is the Endospore stain?Read More →
an indication or omen of something about to happen, especially something momentous. threatening or disquieting significance: an occurrence of dire portent. a prodigy or marvel. What is the meaning of the word portent in this sentence? Definition of Portent. a signal something is about to occur. Examples of Portent inRead More →
an indication or omen of something about to happen, especially something momentous. threatening or disquieting significance: an occurrence of dire portent. a prodigy or marvel. What is the meaning of the word portent in this sentence? Definition of Portent. a signal something is about to occur. Examples of Portent inRead More →
Use condoms. It’s important to use condoms the right way every time you have anal or vaginal sex. … Take medication. A doctor can prescribe an antiretroviral medicine to help protect you from getting HIV. … Make sure your partner takes their medicine. What happens when an HIV positive personRead More →
Following therapeutic, multiple dosing, drug levels remain above the IOC cut-off levels for a minimum of 6 h and 16 h following final doses of phenylpropanolamine and pseudoephedrine, respectively. What happens if you take too much pseudoephedrine? Taking too much pseudoephedrine can be dangerous. It can make you restless orRead More →
The Spurling test is a medical maneuver used to assess nerve root pain (also known as radicular pain). The examiner turns the patient’s head to the affected side while extending and applying downward pressure to the top of the patient’s head. … It is a type of cervical compression test.Read More →
The Spurling test is a medical maneuver used to assess nerve root pain (also known as radicular pain). The examiner turns the patient’s head to the affected side while extending and applying downward pressure to the top of the patient’s head. … It is a type of cervical compression test.Read More →