In the respiration of terrestrial animals,
"ventilation" refers to
a. the bulk movement of air in and out of the
organism.
b. the diffusion of gases across a membrane.
c. the diffusion of gases in and out of blood
cells.
d. the transport of gases to and from body
cells.
e. all of these.
A
You might also like to view...
The fruitfly cross shown here analyzes the transmission of two genes on the X chromosome. The male parent carries mutant alleles for both the white gene (w) and the crossveinless gene (cw). The female parent carries nonmutant forms of these genes
In the parental generation, the genotype of the female parent is _____________, and the genotype of the male parent is _____________. A. w-cv-/w-cv- ; w-cv-/Y B. w+cv+/w+cv+ ; w+cv-/Y C. w-cv-/w+cv+ ; w-cv+/Y D. w+cv+/w+cv+ ; w-cv-/Y E. w+cv+/w-cv- ; w-cv-/Y
As a result of an increase in phloem solute concentration near a source area, the fluid in the sieve element becomes ____
a. hypotonic b. hypertonic c. low turgor d. low-sugar e. dilute
The structures that connect neighboring cardiac muscle cells to ensure rapid electrical conduction are
a. desmosomes. b. intercalated discs. c. synapses. d. endothelial cells. e. smooth muscle cells.
Members of which fungal phylum are also called sac fungi?
a. Glomeromycota b. Basidiomycota c. Chytridiomycota d. Zygomycota e. Ascomycota