They are signaling molecules that are produced in response to changes in cell population density. As the density of quorum increases so does the autoinducer
Cocci.....round
bacillus rod shaped
spirilla ..... spiral shaped . These are all different shapes of bacterial cell.
Nitrogen.
Plants cannot use atmospheric nitrogen directly. Nitrogen from the air must be converted into the different form so plants can absorb it. Thus plants need nitrogen-fixing bacteria to convert atmospheric nitrogen into ammonium, which is available for plants to absorb it.
The correct option is C, PROTEINS.
Protein are macro molecules which are made up of units called amino acids. There are twenty different amino acids, each with a unique R group. The elements find in protein include carbon, oxygen, nitrogen, etc. Nitrogen is one of the most important constituent of proteins. <span />
Iris is most likely being negatively stereotyped as being gifted.
Option D
<h3><u>
Explanation:</u></h3>
Many students who have proven to be gifted intellectually are likely to face struggle and negative feedback from their classmates. This is generally because they believe that the gifted student will get special treatment above the other student. Furthermore, it is evident that gifted students are likely to have different interests than their peers or much deeper knowledge of the common interest. They use terms which peers might not understand, barring them from having an effective conversation.
To maintain a balance in the class, teacher's are trained in a specific field in which they learn how to treat all the students equally, gifted or not. That helps reverse the negative stereotype or bring it down to a minimal level. As for students interacting with each other, several activities are put to place to encourage healthy interactions.