Which statement about the Hershey-Chase experiment is false?
A. Protein was labeled with radioactive sulfur.
B. The virus-infected bacteria contained radioactive phosphorus.
C. DNA was labeled with radioactive phosphorus.
D. The virus-infected bacteria contained radioactive sulfur.
Answer: D
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Answer the following statements true (T) or false (F)
1. Soil can contain the spores that cause botulism, gas gangrene, and tetanus. 2. Chlamydial genital infections and gonorrhea are the two most common nationally notifiable infectious diseases in the United States. 3. The levels of chlorine routinely used for water treatment are sufficient to kill Giardia cysts and Cryptosporidium oocysts. 4. Yersinia pestis, the bacterium that causes plague, is one of the pathogens most often discussed as a potential biologic weapon. 5. Gonorrhea is considered to be a communicable disease, but not a contagious disease.
The more similar the niches of two species are, the more intensely those species will _______________
Fill in the blank(s) with correct word
In India, golden jackals that have been expelled from their pack have been known to attach themselves to a particular tiger, trailing it at a safe distance in order to feed on the big cat's kills. What type of relationship exists between the jackal and the tiger?
A. mutualism B. predation C. parasitism D. competition E. commensalism Clarify question: What is the key concept addressed by the question? What type of thinking is required? Gather Content: What do you already know about symbiotic relationships? What other information is related to the question? Choose Answer: Given what you now know, what information is most likely to produce the correct answer? Reflection on Process: Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Which of the following would NOT normally be found as a component of a cell's nucleic acids?
A) adenine deoxyribonucleotides B) thymine deoxyribonucleotides C) uracil deoxyribonucleotides D) cytosine ribonucleotides E) adenine ribonucleotides