题目

When we think of Hollywood, we think of movies and famous movie stars. They are part of Hollywood’ s history. Today people make movies in other places too. Not all famous movie stars live in Hollywood. But Hollywood is still a very special city in Los Angeles, California. You can easily see where Hollywood is in Los Angeles. There is a big sign on the hills. It says “HOLLYWOOD”.The white letters are fifty feet tall. You can see the sign from far away. The Hollywood sign is a famous landmark in Los Angeles. Many postcards show this famous Hollywood landmark. In the hills of Hollywoo酵母菌细胞质内的遗传物质的载体是（　　） A、染色体B、线粒体C、细胞质基质D、线粒体和叶绿体