Which of the following statements concerning metastatic tumors is FALSE?
a. They are examples of neoplasms.
b. They contain cancer cells.
c. They have escaped controls on cell division.
d. They are caused by the altered expression of genes.
e. They are localized in one part of the body.
E
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Vertebrates are distinguished from other chordates by (select all that apply):
A. a jointed internal skeleton. B. a bony cranium. C. a jaw in all members of the group. D. paired appendanges in all members of the group. E. a post-anal tail.
Mutant forms of proto-oncogenes are called ____________________
Fill in the blank(s) with correct word
The Z line consists of parts of actin filaments on two adjacent sarcomeres
____________________ Indicate whether the statement is true or false.
The four stages of biofilm formation are
a. attachment, colonization, development, and dispersal. b. adherence, biosynthesis, maturation, and release. c. attachment, biosynthesis, maturation, and dispersal. d. adherence, infection, development, and activity.