Which of the following lacks DNA?
a. platelets
b. erythrocytes
c. agranular leukocytes
d. Both a and b
e. Both b and c
D
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The difference in electrical charge between two points
A. is the same for all ions. B. is called the potential difference between those points. C. is called the current, and is expressed in the units of millimoles. D. is called the diffusion potential between those points.
Segmentation
a. is the primary motility in the small intestine during digestion of a meal. b. is both mixing and propulsive. c. refers to sequential ring-like contractions that sweep downward, creating a stripping motion that pushes the chyme forward. d. both (a) and (b) above. e. all of these answers.
Name the three layers of fascia and their types of connective tissue
A) superficial fascia consists of adipose and areolar tissue; deep fascia consists entirely of areolar tissue; subserous fascia consists of dense regular tissue B) superficial fascia consists entirely of dense regular tissue; deep fascia consists entirely of dense irregular tissue; and subserous fascia consists of both dense regular and dense irregular tissues C) superficial fascia consists of adipose and areolar tissue; deep fascia consists of dense regular tissue; and subserous fascia consists entirely of areolar tissue D) superficial fascia consists of areolar tissue; deep fascia consists of cartilage; and subserous fascia consists of bone E) superficial fascia consists of epithelial tissue; deep fascia consists of muscle; and subserous fascia consists of nervous tissue
Structures in the midbrain control homeostasis and relay sensory signals to specific regions of the cerebral cortex.
Answer the following statement true (T) or false (F)