The layers of the gastrointestinal tract wall from the inside layer outward in order are
A. mucosa, muscularis, serosa, submucosa.
B. serosa, submucosa, muscularis, mucosa.
C. mucosa, submucosa, muscularis, serosa.
D. submucosa, muscularis, mucosa, serosa.
E. muscularis, serosa, mucosa, submucosa.
Answer: C
You might also like to view...
Although transposable elements and short tandem repeats (STRs) are repetitive DNAs, they differ in that _____
A) STRs occur within exons; transposable elements occur within introns B) STRs occur within introns; transposable elements occur within exons C) the repeated unit in STRs is clustered one after another; transposable element repeats are scattered throughout the genome D) the repeated unit in STRs is much larger than the repeated unit of transposable elements
Vectors capable of entering two or more different host organisms are known as
A) dual vectors. B) omnivectors. C) shuttle vectors. D) parity vectors. E) universal vectors.
Prezygotic reproductive isolation can occur ____.
A. during fertilization B. during embryo development C. during fetal development D. after birth E. during meiosis
How is simple diffusion different from other types of passive transport?
a. Simple diffusion does not require a permease. b. Simple diffusion requires ATP. c. Simple diffusion only brings material into the cell, not out of it. d. Simple diffusion is only the diffusion of water.