These single-celled organisms are found in two of the three domains of life: the Archaea and Bacteria. Eukaryota, the third domain, contains single- and multi-cellular organisms composed of cells with membrane-bound organelles.Answer and Explanation: Bacteria is one of the three major domains of...
A 解析:细节理解题。解题时应先抓住题干关键词bacteria in the international Space Station 锁定文章第一段,再根据文章第二句话The microorganisms from our:…, so astronauts spend hours cleaning them up each week可以得出答案A。答案中的get rid of与文章clean up同意。 答案:A反馈...
In what way does Arctic bacteria differ from organisms on land according to the text? A. Medicinal value. B. The way of hunting. C. The way of breaking down food. D. Importance to humans. 相关知识点: 试题来源: 解析 D 反馈 收藏 ...
Some bacteria can live in extreme environments. What are these bacteria called? A. Extreme bacteria B. Hard bacteria C. Extremophiles D. Special bacteria 相关知识点: 试题来源: 解析 C。能在极端环境中生存的细菌被称为极端微生物。反馈 收藏 ...
What is tuberculosis (TB)?TB is a severe infection caused by bacteria called Mycobacterium tuberculosis. TB usually starts in the lungs. The bacteria are easily spread from one person to another through the air. They can live in your body a long time without making you sick. This is called...
1What is known to us all is that the bacteria that live in the soil help to our wastes.A.break downB.take downC.put downD.write down 232. What is known to us all is that the bacteria that live in the soil help to our wastes. A. break down B. take down C. put down D....
A chest x-ray is done to look for signs of infection, or any other reason for your symptoms. A CT scan may be used to look for signs of infection in your abdomen or skull. You may be given contrast liquid to help healthcare providers see infection better. Tell the healthcare provider...
What are Bacteria? Bacteria are microscopic, unicellular, prokaryotic organisms. They do not have membrane-bound cell organelles and lack a truenucleus, hence are grouped under the domain“Prokaryota” together withArchae. In a three-domain system, Bacteria is the largest domain. ( Living beings...
试题来源: 解析 C 解析:细节理解题。根据第五段中的“Bacteria living in the Arctic cold water break down their food using different ways from organisms on land.”可知,生活在北极寒冷海水中的细菌分解食物的方式与陆地上的生物不同。 答案:C反馈 收藏 ...
What is a urinary tract infection (UTI)?A UTI is caused by bacteria that get inside your urinary tract. Your urinary tract includes your kidneys, ureters, bladder, and urethra. A UTI is more common in your lower urinary tract, which includes your bladder and urethra....