The above synthesis scheme was designed using the organic chemistry roadmaps in the appendix of your textbook. in this scheme, identify the reagents necessary to accomplish the following steps in the production of (3r,4s)-3,4-dibromohexane from acetylene:

Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one?

Suppose the universe were completely empty except for one object-a solid sphere moving through space of 100 km/s. what sort of path would the object be moving in? explain your answer

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.