A blastocyst ____
a. releases hormones in the myometrium
b. releases the egg into the oviduct
c. implants in the endometrium
d. matures into a chorion
e. metabolically supports embryonic and fetal development
c
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The notochord is most closely associated with the:
a. nervous system b. spinal cord c. skeletal system d. skin system e. nervous system and spinal cord only
On Earth, solar energy is most intense at
A. the South Pole. B. the North Pole. C. 60° North latitude. D. the equator. E. 60° South latitude.
The order of gene transfer in an Hfr × F? mating is best represented by ________.
A. the chromosome followed by the plasmid B. part of the plasmid followed by the chromosome followed by the rest of the plasmid C. part of the chromosome followed by the plasmid followed by the rest of the chromosome D. all plasmid genes followed by some or all of the chromosome
A processed pseudogene
a. has no promoter. b. contains no introns. c. may contain a long stretch of AT base pairs. d. originates as a reverse-transcribed DNA copy of an mRNA. e. All of the above.