Which of the following are components of the axial
skeleton?
a. jaws
b. skull bones
c. ribs
d. vertebrae
e. all of these
Answer: e
You might also like to view...
Indicate which of the three major classes of cytoskeletal elements each statement below refers to
A. monomer that binds ATP B. includes keratin and neurofilaments C. important for formation of the contractile ring during cytokinesis D. supports and strengthens the nuclear envelope E. their stability involves a GTP cap F. used in the eukaryotic flagellum G. a component of the mitotic spindle H. can be connected through desmosomes I. directly involved in muscle contraction J. abundant in filopodia
The genomes of mammalian mitochondria contain
A. a total of 37 genes. B. genes for proteins used in oxidative phosphorylation. C. genes whose products are used in translation of mRNA. D. ribosomal genes. E. All of the items listed are correct.
Transmitter substances
a. are expelled from the presynaptic cells by exocytosis. b. tend to destroy acetylcholine. c. enter the postsynaptic cell to continue the passage of the impulse. d. interact with membrane receptors of the postsynaptic cells. e. are expelled from the presynaptic cells by exocytosis and interact with membrane receptors of the postsynaptic cells.
Diatoms
A) are autotrophs with a glassy cell wall that contains silica. B) are mixotrophs. C) are heterotrophic protists that decompose dead plants and animals in freshwater habitats. D) include the malaria parasite.