Which of the following provides molecular evidence that signal transduction pathways evolved early in the history of life? cell signaling is observed in organisms that do not utilize sexual reproduction. the pathways in primitive organisms, such as bacteria, are short, whereas those in advanced forms, such as mammals, are long. receptor molecules have been identified in preparations of fossilized organisms billions of years old. the molecular details of cell signaling are quite similar in organisms whose last common ancestor was a billion years ago. simple forms of life, such as prokaryotic cells, utilize cell signaling.

*will mark brainliest to first correct answer* photosynthesis led to increasing levels during the later proterozoic eon? a. oxygen b. water c. carbon dioxide d. none of the above

Give an example of a trait that is controlled by more than one gene.

He did not infringe upon the policy making powers that he felt the constitution gave congress. but the determination of foreign policy became preponderantly a presidential concern. when the french revolution led to a major war between france and england, washington refused to accept entirely the recommendations of either his secretary of state thomas jefferson, who was pro-french, or his secretary of the treasury alexander hamilton, who was pro-british. rather, he insisted upon a neutral course until the united states could grow stronger. which provides the best objective summary of this excerpt? president washington made a good choice when he decided not to accept the recommendations of his advisors and instead insisted that the united states stay neutral during the war between france and england as president, washington believed that the united states should remain neutral in foreign policy even though he had advisors who recommended that he take sides during the war between france and england. washington did not make policy decisions during his presidency because he did not want to interfere with the policy-making powers that the constitution gave congress. washington refused to accept entirely the recommendations of either his secretary of state thomas jefferson, who was pro-french, or his secretary of the treasury alexander hamilton, who was pro-britis