Which is a reason for antimicrobial resistance being higher in a biofilm than in free-floating bacterial cells?
A. The EPS allows faster diffusion of chemicals in the biofilm.
B. Cells are more metabolically active at the base of a biofilm.
C. Cells are metabolically inactive at the base of a biofilm.
D. The structure of a biofilm favors the survival of antibiotic resistant cells
Ans: C. Cells are metabolically inactive at the base of a biofilm.
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When muscles cells are deprived of oxygen, the heart still pumps. What must the heart cells be able to do?
A. derive sufficient energy from fermentation B. continue aerobic metabolism when skeletal muscle cannot C. transform lactate to pyruvate again D. remove lactate from the blood E. remove oxygen from lactate
Is this statement true or false? The plasma membrane is the outermost component of all cells. Explain
Indicate whether the statement is true or false
An increase in sympathetic nervous activity to arterioles will have little effect on vasoconstriction of the
A) brain and heart. B) heart and kidneys. C) kidneys. D) skeletal muscles. E) gastrointestinal tract
The process of cell division called ___________assorts gene pairs of homologous chromosomes independently of gene pairs on all other chromosomes.
Fill in the blank(s) with the appropriate word(s).