What does not conform to the characteristics of growth factors is that ()
A: necessary for the growth of microorganisms
B: little demand
C: microorganisms cannot synthesize by themselves
D: organic nutrient
A: necessary for the growth of microorganisms
B: little demand
C: microorganisms cannot synthesize by themselves
D: organic nutrient
举一反三
- What does the economic reform for China's economic growth require?
- Which of the following descriptions of epithelial ovarian tumors does not conform to the characteristics of serous tumors? A: About 25% of benign ovarian tumors B: Mostly unilateral, cystic, smooth surface C: There is often papillary growth in the capsule D: Cystic fluid is usually clear liquid
- Which growth pattern does this specimen mainly show?[img=816x600]1803c38de255e7c.jpg[/img] A: Expansile growth B: Exophytic growth C: Diffuse growth D: None of the above
- The zero growth model is a special case of what valuation model? A: Variable growth model B: Constant growth model C: Delta growth model D: Perpetuity valuation model E: None of the above
- The function of immunological defense refers to ( ). A: prevent pathogenic microorganisms invading the body B: inhibit the proliferation and spread of pathogenic microorganisms in the body C: clear the old, dead, or damaged cells in the body D: remove pathogenic microorganisms and their products from the body