It looks like something to screw onto something and manage the flow of... I'd say... knob for a screw
The critical thinking step that the student just completed in the situation above is that OF ASKING QUESTION.
Critical thinking refers to the objective analysis of an issue that is undertaken in order to reach a conclusion on a matter. Critical thinking involves asking questions and asking questions make one to discover new things or new phenomenon.
Homologous chromosomes are chromosome with the same relative shape and gene location. However the allele composition may vary.
So I would say B, but only if the orange represents the same allele for a gene and not the same gene.
In a synthesis reaction<span> (also known as a composition </span>reaction<span>), two substances combine to form a larger substance. A good </span>analogy<span> of these </span>reactions<span> are dancers. ... In the simplest type of </span>synthesis reaction<span>, two elements combine to form a compound.</span>