Plasmids are distinguished from bacterial chromosomes in that
A. plasmids are circular, bacterial chromosomes are linear.
B. plasmids occur in the cytoplasm, bacterial chromosomes occur in the nucleus.
C. plasmids are composed of RNA, bacterial chromosomes are composed of DNA.
D. plasmids have few genes, bacterial chromosomes have many genes.
E. plasmids consist of single-stranded nucleic acids, bacterial chromosomes consist of double-stranded nucleic acids.
D. plasmids have few genes, bacterial chromosomes have many genes.
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C3 plants are more susceptible to photorespiration than either C4 or CAM plants. Why do most plants lack the C4
pathway?
a. Rubisco is more efficient in C3 plants when compared to rubisco of C4 and CAM plants. b. Photorespiration is not a serious problem for most plants. c. Most plant species do not have vacuoles in their cells to store the malate generated from CO2 taken in during the night. d. There is an energetic cost to C4 and CAM pathways that only makes them advantageous in very hot and/or arid environments. e. Switching between C3, C4, and CAM photosynthesis is very difficult for most plants.
Which major nutrient group is not listed on a Nutrition Fact food label?
a. Water content b. Carbohydrates c. Fats d. Vitamins e. Proteins
Tim, who is an avid cyclist, is struck by a car during an organized bike ride. Two of his ribs are broken, puncturing his chest wall on the right side. What will most likely happen to his lungs?
A. His left lung will be okay, but his right lung will collapse. B. Both lungs will overinflate. C. Both lungs will collapse. D. His left lung will be okay, but his right lung will overinflate. E. His right lung will overinflate and his left lung will collapse. F. His right lung will collapse and his left lung will overinflate. 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 respiratory passages? 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? 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 young, vigorously growing culture of bacteria is transferred to fresh medium of different composition, the lag phase is usually short or absent.
Answer the following statement true (T) or false (F)