根据“Bacteria perform many useful jobs almost everywhere on Earth.”及“Humans have long used the power of bacteria for many purposes.”可推知,细菌有不同的用途。故选C。 (2)题详解: 推理判断题。根据第二段中“For example, the bacteria that live in our stomachs may help us digest food…...
Viruses aren't alive; they can only grow and reproduce inside of the host cells they infect. Bacteria are living organisms. Both viruses and bacteria can get you very sick, but most bacteria are harmless and many are helpful.
1. What do we know about bacteria? A.They mainly live in the ocean.B.Most of them are harmful to people. C.They serve many different purposes.D.They are the cause of most diseases. 2. How is Paragraph 2 developed? A.By listing numbers.B.By giving examples. ...
Musiccanhelpstudentsimproveacademicperformance.Studying musicinvolves mathandsciencesostudentsoftenimproveintheseareas. 17 Accordingtoareport,studentswhotook partinmusicperformancescored41pointshigher inmaththanthosewhodidnottakepartinmusic performance. Beingateenagercanberoughemotionally. Musicisanespeciallyemotionalar...
What are the purposes of metabolism? Explain. What is the purpose of cortical bone? What is the purpose of trabecular bone? What is the purpose of a macrophage and a neutrophil? What is the function of the liver in digestion? Explain, illustrate, and provide reasoning to your answer. ...
Antibiotic drugs, which fight bacteria, can’t treat norovirus. You should be sure, however, to keep hydrated, to replace fluids lost from vomiting and diarrhea. If you’re caring for a child with norovirus, watch for signs of dehydration, including crying few or no tears and being ...
new editing systems in various crops, single-base editing, guided editing, and CRISPR/Cas12a systems could be effectively applied to fruit trees. However, the choice of editing system should be tailored to the specific objectives and research context, as different systems serve distinct purposes. ...
For what purposes is it essential that living specimens be observed? What is the difference between a biologist and a marine biologist? What are the main ecological roles of bacteria in food chains and food webs? How is zoology related to biology? What major biological concepts, in addition ...
Now, there are different types of antigens, but, for our purposes here, let’s zoom in on foreign, disease-causing antigens. These are harmful substances that come from outside the body, such as from viruses or bacteria. The body wants to fight antigens off, so it recognizes these subs...
How does gut bacteria influence the metabolism? What is the basal metabolic rate, and what is its role in the human body? What are the important functions of glycogen? Why is homeostasis important, and what purpose does it serve? How and why are metabolic pathways regulated? How many types...