Which of the following statements is not true of a benign tumor?
1.It grows slowly.
2.It expands into surrounding tissue.
3.It does not spread via the bloodstream or lymphatic system.
4.None of the choices; all are true.
2
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Choose the true statements about the genomes of plants (especially Arabidopsis and rice), animals, and fungi.
_____ Plants, animals, and fungi share most of the same genes for intermediary metabolism, genome replication, and protein synthesis. _____ "Plant" genes include those coding for photosynthetic pathways and morphology. _____ Plants generally have smaller genomes than those of animals and fungi. _____ Rice has fewer genes than humans.
The normal microbiota of the lower urethra may show
A. Lactobacillus. B. Staphylococcus. C. Corynebacterium. D. Bacteroides. E. All of the choices are correct.
The pacemaker is located in the atrioventricular node. Indicate whether the statement is true or false
A cell's ________ remains constant whereas its phenotype changes in response to environmental influences.
Fill in the blank(s) with the appropriate word(s).