The phylum name Arthropoda refers to:
a. the ability to fly.
b. a hard exoskeleton.
c. jointed appendages.
d. a segmented coelom.
e. respiratory capabilities
c
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The tough outer covering of the eye is referred to as the
A. pupil. B. retina. C. sclera. D. fovea. E. iris.
The neuromuscular junction is incorrectly described in which of the following statements?
A) Neurotransmitters are stored in vesicles in the axon terminal. B) The sarcolemma is the plasma membrane of a muscle cell. C) Acetylcholine binds receptors in the synaptic cleft. D) T tubules carry action potentials into the muscle cell. E) Acetylcholine binding allows sodium ions to enter the muscle cell.
Which protist group typically consists of amoeboid cells surrounded by a hard outer shell through which cytoplasmic
projections extend? a. rhizarians b. unikonts c. euglenoids d. archaeplastids e. opisthokonts
Human females who receive sex-linked genes always express them
Indicate whether the statement is true or false