Which of the following statements about the egg shell is false?
a. The calcium carbonate shell is 12 percent of an egg's weight.
b. Brown-shell eggs have a higher nutrient content than white-shell eggs.
c. The shell is protected by the cuticle or bloom.
d. The protective cuticle is removed in commercially sold eggs; however, producers compensate for this loss by applying a coat of oil on the shell.
Question 2
The air cell develops
a. before the egg is ready to be laid, when the contents begin to contract.
b. between the two shell membranes after the egg is laid and the contents contract with cooling.
c. under the shell at the small end when air is trapped inside and pushes against the contents.
d. within the outer ring of albumen from air trapped in the yolk.
Calcium Carbonate, an Important Carbon Sink
Early in the twentieth century, when malnutrition was common, companies such as this one advertised
Selected Calcium Salts
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Increased acidity inhibits the growth of coral and other carbonate shell-building organisms
Midsagittal section indicating locations of true and false pelves