Bacteria cells have no

Select all that apply. Which characteristics are always present in all living organisms?

Dr. Tanaka discovered a new virus. The virus has a single strand of a nucleic acid, but she does not know if it is DNA or RNA. After running tests, she concludes that it is DNA. Which of the following would lead her to that conclusion? A.

Suppose the size of a population of marmots is 300. According to genetic drift theory, what is the probability that a newly arisen mutation will become fixed in this population? Select one:a. 1/1200b. 1/100c. 1d. 1/300e. 1/600

Viruses do not possess all the characteristics of life. Identify those characteristics that viruses display and those they don't display.

Nuri lives in an area where there is little rain and not many plants. The daytime temperatures can be much higher than nighttime temperatures. Where does Nuri live?

Microorganisms that catabolize sugars into ethanol and hydrogen gas would most likely be categorized as A) homolactic fermenters. B) anaerobic respirers. C) alcohol fermenters. D) heterolactic fermenters. E) aerobic respirers.

Which of the following sentences is the best example of a hypothesis a. UV radiation does not cause skin cancer. b. chickens lay more eggs when they are happy. c. why does the earth orbit around the sun? d. how many types of organisms are there?

What will most likely result when the jet stream moves south of North Carolina

Why is the hormone oxytocin important?

4. One of the jobs of the endocrine system is to give directions to your body about when to grow and develop. Can you think of some times during a person's life when the body changes? Avita