The layer of the gastrointestinal tract wall that is responsible for motility is the
A) muscularis.
B) mucosa.
C) serosa.
D) submucosa.
E) glandular.
A
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DNA fingerprinting is
a. a way to identify the species a sample came from. b. a way to distinguish between two individuals of the same species. c. a method that examines the DNA sequences encoding for the tiny ridges and valleys that provide texture to the pads of human fingers. d. a way of extracting DNA samples from human fingerprints. e. a way of determining the sequencing of the human genome.
Radiolarians have vacuoles, which provide them with buoyancy in marine environments
Indicate whether the statement is true or false.
A microbiology student sampled part of a sandwich and observed fuzzy colonies growing on his nutrient agar after incubating the plate for 48 hours. Based on this information, what can he determine concerning the colonies growing on his plate?
A) They are bacterial colonies B) They are fungal colonies C) Without staining, there is not enough information to make any determinations
The jumping of a nerve impulse from one node of Ranvier to the next is known as ________
Fill in the blank(s) with correct word