The extracellular matrix of animal cells ________
A) protects and support cells
B) provides avenues for the exchange of DNA
C) is a warehouse for the storage of extra lipids and carbohydrates
D) is primarily a site of dead matter and waste materials
A
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Supertasters for the chemical PTC are ____ for the trait
a. homozygous dominant b. heterozygous c. homozygous recessive d. either homozygous dominant or homozygous recessive e. either homozygous dominant or heterozygous
A fish detects vibrations in the water by means of its _________, which contains numerous ____________.
A. lateral line; hair cells B. ear; statocysts C. swim bladder; stretch receptors D. skin; mechanoreceptors E. lateral line; thermoreceptors
Four of the five cells listed below are haploid. Select
the exception. a. zygote b. spore c. egg d. sperm e. gametophyte
A 20-year-old man is injured in a motorcycle accident. His ulna was broken and protruding from the skin. His injury is
classified as a ____. a. simple fracture b. complete fracture c. dislocation fracture d. compound fracture e. synovial fracture