What part of the cell forms a barrier between the cell and its environment? A. Cell membrane. B. Nucleus. C. Ribosome. D. Cholesterol.

Cancer, ‘the big c,’ as it is often called. her doctor felt sure but ordered more tests to confirm his suspicion. while cervical cancer in a woman julianne’s age was rare, her doctor admitted, it certainly was not unheard of in her demographic group. her doctor explained that this type of cancer is often caused by a common virus that many women do not even realize they have. the human papilloma virus can lead to this type of cancer if a woman’s immune system does not fight off the virus in its initial stages. julianne was devastated. her doctor began to discuss treatment options and suggested an oncologist specializing in this type of cancer, but julianne heard very little of what he said. her head was spinning with questions. overwhelmed, she wondered how she would break the news to her family and friends. according to the article, a physician specializing in the diagnosis and treatment of cancer is called

Read the excerpt from a history of the world in 100 objects. power is usually not willingly given, but forcefully taken; and in both europe and america the nineteenth century was punctuated by political protest, with periodic revolutions on the continent, the civil war in america and, in britain, a steady struggle to widen the suffrage. what would be a benefit of reading this text rather than listening to an audio version of it? the reader could analyze the text features in the excerpt. the reader could visualize the description given. the reader could set his or her own pace and reread parts for clarity. the reader could hear the sounds of the political protest.

Read these sentences from the first section of the article. because of this novel characteristic which singles out washington from other cities, coupled with the fact that the trees are now in full splendor, a short history of their appearance in the capital city is of interest. the first cherry trees were planted in washington by mrs. taft's request on april 4, 1909, just a month after she first made her home in the white house. what is the most likely reason why cobb includes these sentences in the first section? a- to establish himself as a credible authority on the topic of cherry trees b- to state the central idea and begin the narrative of how the trees arrived in washington, d. c. c- to create a sensory image for readers who are not familiar with cherry trees d- to build suspense as to how so many cherry trees arrived in washington, d. c.