Bone is made up of both organic and inorganic components.
What will be an ideal response?
Chemical composition
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Imagine that fungal hyphae were as thick as a human hair. How might this increase in thickness affect the ecological role of fungi?
A. Their rates of decomposition of detritus would decrease because their ratio of surface area to volume would be decreased. B. Their rates of decomposition of detritus would increase because their ratio of surface area to volume would be increased. C. There would be no effect on the rates of decomposition of detritus. D. There would be no effect on the rates of decomposition of detritus because the fungi would still be heterotrophic.
The cuticle of most insects is composed of:
A. structural proteins. B. pectin. C. chitin. D. waxy lipids.
The "adaptor" molecule that was hypothesized by Francis Crick to link amino acids to mRNA is actually which type of biomolecule?
A. protein B. DNA C. tRNA D. rRNA
Fats that your body cannot make are called
a. essential fatty acids. b. triglycerides. c. phospholipids. d. saturated fats. e. sterols.