Genes are arranged in threadlike bodies called chromosomes
Indicate whether the statement is true or false
TRUE
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What might happen if a protein has a change in one amino acid?
A. The protein can no longer function properly. B. The protein has a new shape. C. The amino acid chain folds incorrectly. D. All of these may happen.
Humans are unable to digest which type of carbohydrate?
a. glucose b. glycogen c. starch d. cellulose e. fructose
The functions of the nasal conchae are to enhance the air turbulence in the cavity and to increase the mucosal surface area exposed to air for greater efficiency.
Indicate whether the statement is true or false
Which two factors determine the virulence of a particular pathogen?
a. its ability to cause damage to the host tissues b. the degree of immune system involvement in the infection c. the overall health of the infected person d. the number in the inoculating dose e. its ability to establish itself in the host