Which layer of the integument contains stratified squamous cells?
a. epidermis
b. dermis
c. hypodermis
d. subcutaneous layer
e. loose connective tissue layer
ANSWER: a
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A) endocannabinoids B) GABA C) catecholamines D) enkaphalins E) calcium ions
What event occurs in a deciduous forest at the beginning of the dry season? a. Trees drop their leaves
b. Pollination by bees. c. Growth spurt by the trees. d. Trees store large amounts of water. e. Trees add additional growth to their trunks.
Anaphase
a. involves the lining up of the chromosomes across the equatorial plate. b. is the same in mitosis and meiosis I and II. c. is initiated when the chromosomes begin to move apart. d. results in an unequal distribution of chromosomes to the resulting cells. e. does all of these.
Where would a ligand-gated ion channel typically be found on a neuron?
A) Presynaptic membrane B) Axon hillock C) Postsynaptic membrane D) Ligand-gated ion channels are not found on neurons. E) Axon