Where is translation accomplished?
A) lysosomes
B) smooth endoplasmic reticulum
C) ribosomes
D) nucleoli
C
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Which line or lines in the graph represent(s) bags that contain a solution that is hypertonic at 50 minutes?
A) A and B B) B C) C D) D E) D and E
Which of the following cause rat-bite fever, or Haverhill fever, which is characterized by acute onset of chills, fever, headache, vomiting, and severe joint pains, as well as a rash on the palms, soles of the feet, and other extremities?
a. Streptobacillus moniliformis b. Brucella abortus c. Bordetella spp. d. Pasteurella spp.
Viruses may cause cancer in these three typical ways:
_____ Some viruses encode an oncogene in their genome. _____ A viral genome may integrate into the host chromosome, disrupting a cell cycle gene. _____ Some viral proteins interact with cell cycle regulatory proteins. _____ Viral infection provides large amounts of nutrients, encouraging the cell to divide and proliferate. _____ All viruses promote host cell proliferation, as a way to spread more virus. _____ Cell proliferation is an adaptive response of the host to any viral infection, to outgrow the virus. _____ When a DNAvirus brings extra DNA into the host cell, that signals that S phase is complete. 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 the link between viruses and cancer? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect 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?
When a population reaches its carrying capacity,
a. more individuals will die than are born. b. a large number of individual organisms will leave the population. c. no more deaths or births can take place. d. there is usually one or more factors limiting increased population growth. e. new sources of nutrition must be found or the population will crash.