All of the following play a role in the development of cancer EXCEPT
A) mutations.
B) a large supply of Cdks stimulating cell division.
C) uncontrolled cell division.
D) inhibition of Cdk and blocking of DNA replication.
D
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How do flagella bend?
a. myosin motor proteins slide microtubules over each other b. dynein motor proteins slide microtubule doublets over each other c. myosin motor proteins slide actin filaments over each other d. microfilaments contract due to the action of kinesin e. actin filaments contract due to the action of myosin
The target cells of glucagon are
a. the liver cells. b. the skeletal muscle cells. c. the fat cells. d. all of these cells. e. none of these cells
The dermis of the skin is composed of stratified epithelium
Indicate whether the statement is true or false
Which of the following statements regarding skeletal muscle is true?
A) Skeletal muscle is attached to bones by tendons. B) Skeletal muscle cells are not striated. C) Skeletal muscle is largely responsible for involuntary body motions. D) Skeletal muscle coordinates movement of nutrients and oxygen throughout the body.