Atrazine is an herbicide that prevents plant growth by inhibiting photosynthesis. Atrazine works by binding to proteins in the electron transport chain of photosystem II. Once atrazine binds to the proteins, electrons can no longer travel down the chain to reach photosystem I. Based on this information, how does atrazine stop plant growth?

A.
It prevents chlorophyll from creating electrons, which are needed by the light-dependent reactions to make sugars.
B.
It prevents the formation of ATP and NADPH, which are needed by the light-independent reactions to make sugars.
C.
It prevents the formation of NADH and FADH2, which are needed by the light-independent reactions to fix carbon.
D.
It prevents water from releasing oxygen, which is needed by the light-dependent reactions to fix carbon.

In the reading, statement on the assassination of martin luther king, jr., which of the following inferences is best supported by the second paragraph? martin luther king dedicated his life to love and to justice between fellow human beings. he died in the cause of that effort. in this difficult day, in this difficult time for the united states, it’s perhaps well to ask what kind of a nation we are and what direction we want to move in. for those of you who are black—considering the evidence evidently is that there were white people who were responsible—you can be filled with bitterness, and with hatred, and a desire for revenge. question 5 options: a) the speaker is urging the same non-violent response that was preached by the slain martin luther king, jr. b) the speaker doesn’t want people to be angry about the death of martin luther king, jr. c) the speaker is trying to encourage racial resentment. d) the speaker wishes he hadn’t been born an american citizen.

Which sentence from the story best illustrates how jeannette feels about her family’s choice of vacation?

Used for an event that has been completed before the present moment in time. simple past past perfect perfect progressive past perfect progressive