An ectopic pregnancy is:
A) another name for identical twins. B) attachment of an embryo outside the uterus.
C) implantation of the embryo in the uterus. D) another name for fraternal twins.
Answer: B
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Which trait of a vascular plant allows it to grow in the direction necessary for survival?
a. apical meristem b. gametangium c. stomata d. sporangia
Which statement about chemical or electrical synapses is true?
a. Electrical synapses require a neurotransmitter. b. In electrical synapses, presynaptic and postsynaptic neurons are separated by synaptic clefts. c. Electrical synapses store excess ions in synaptic vesicles. d. In chemical synapses, presynaptic and postsynaptic neurons are connected by a protein channel. e. Electrical synapses involve the transfer of ions from presynaptic to postsynaptic neurons
During inhalation, the diaphragm moves upward. Indicate whether the statement is true or false
Monoglycerides and fatty acids diffuse into a brush border cell, where they form triglycerides and combine with proteins to form __________.
Fill in the blank(s) with the appropriate word(s).