In cattle, mahogany spots are dominant in males and recessive in females. This trait is
A) sex-linked.
B) sex-limited.
C) sex-influenced.
D) sexually determined.
C) sex-influenced.
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Hershey and Chase demonstrated that DNA was the genetic material using
A) poodles in microwave ovens. B) hamsters and a blender. C) frogs and a dishwasher. D) viruses and a blender.
Where do transcription and translation take place within the cell? What post-transcriptional modification aids in the movement of mRNA to the site of translation?
What will be an ideal response?
What statement best summarizes the evolutionary history of eyes?
A. Development of light-sensing organs evolved once, but several eye structures evolved separately. B. Eyes evolved once and were slightly modified in different phyla. C. Eyes evolved separately in each phylum from an ancestor with no ability to detect light. D. Light-detection organs can develop with very little developmental constraint. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about eyes? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
What important metabolic intermediate does not cross the inner membrane of the mitochondria?
A. oxygen B. ATP C. pyruvate D. acetyl-CoA