The normal pH of blood and other fluids is
a. 6.5?6.9.
b. 6.92?7.11.
c. 7.12?4.28.
d. 7.37?7.43.
e. 7.43?7.51.
D
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You have been given a plant sample and asked to identify a specific tissue. Upon investigation, you find the cells are all long in length and some of them have small pores. They all contain fluid. You test the fluid using various biochemical tests and discover the fluid contains an abundance of disaccharides. What type of tissue are you looking at?
A. xylem B. phloem C. root hair cells D. sclerenchyma E. meristematic Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about the cellular compostition of different types of plant cells? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? 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
The conversion of solar energy to chemical energy is known as
a. metabolism. b. photosynthesis. c. chemosynthesis. d. catabolism. e. anabolism.
If you transfuse type AB blood into a patient with type A blood, the patient will raise antibodies against the B antigen on the donor's blood, but will not raise antibodies against the A antigen. Why not?
A. B and T cells that recognize the A antigen will have been removed by clonal deletion. B. Antibodies that recognize the A antigen will have been removed by the spleen. C. Antibodies that recognize the A antigen will have been removed by the bone marrow. D. Macrophages will not present the A antigen to T cells. E. Recombination of the gene for antibodies cannot produce self-reactive clones.
Failure to complete antibiotic therapy can lead to the development of antibiotic-resistant strains of bacteria.
a. true b. false