The changes that occur in infected or injured tissue (redness, swelling, heat, pain) are due to the process of:
A. phagocytosis
B. clone formation
C. fever
D. inflammation
Answer: D. inflammation
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If you crossed a true-breeding yellow seed plant (AA) with heterozygous yellow seed plant (Aa):
A. offspring genotypes would be 1 AA : 2 Aa. B. offspring genotypes would be 1 Aa: 1 aa. C. offspring genotypes would be 1 AA : 1 Aa. D. offspring phenotypes would be ½ yellow seed and ½ green seed. E. offspring genotypes would be 1 Aa : 1 aa and would be ½ yellow seed and ½ green seed.
The Carboniferous period included
A. the development of large coal beds. B. flying insects with wing spans up to 75 centimeters. C. ferns and early plants that grew up to 40 meters in height. D. All of the answer choices are correct. E. sediment-dwelling invertebrates.
Refer to Figure 44-2. Cell type__________ is/are primarily responsible for the release of histamine in
injured tissues and in allergic responses. a. A only b. B only c. C only d. D only e. A and cell type D
Operant conditioning proceeds through trial and error.
Answer the following statement true (T) or false (F)