The spreading of cancer cells, wound healing, and blood clotting all rely on the same type of cell movement called:
A. swimming.
B. crawling.
C. waving.
D. whipping.
B
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Homologous chromosomes can be defined as:
A. pairs of chromosomes that cannot undergo DNA hybridization. B. pairs of chromosomes that match in size and appearance. C. pairs of chromosomes that share the same genes but differ in gene order. D. identical double helices of DNA that are the products of DNA replication. E. pairs of chromosomes between different species that carry approximately the same genes in the same locations.
The pituitary gland is controlled by the
a. pons. b. corpus callosum. c. medulla. d. thalamus. e. hypothalamus.
Canals lined with endosteum that occur at right angles to central canal. Connect blood vessels and nerves of periosteum, medullary cavity, and central canal.
What will be an ideal response?
Which protists have both plant and animal features?
a. Paramecium b. Trychonympha c. Trichomonas d. Euglena