According to the diagram below of eukaryotic gene expression, what can be correctly inferred?
A) transcription does not occur without the enhancer sequence
B) levels of transcription are unaffected by the presence of an enhancer
C) enhancer sequences only work in one configuration with the promoter to cause transcription
D) the levels of gene expression can be controlled by segments of DNA far away from the actual gene

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

How does an angiosperm prevent self pollination

Read the scenario below and answer the question that follows. hallie is reading a novel in the library when susan, her best friend, slumps down in a chair next to her. susan doesn't say anything, but hallie knows that susan is upset because she is slumping in her seat and rolling her eyes. a psychologist would explain that hallie is interpreting her friend's emotion based on a. the behavioral component of emotion b. her friend's ability to regulate emotion c. the verbal component of emotion d. the physiological component of emotion select the best answer from the choices provided a b c d