If the side chains of amino acids contain the ammonium ion, they readily form ions that
A. are described as acidic amino acids.
B. give positive electric charges to the amino acid.
C. are described as basic amino acids.
D. react with lipids to form lipoproteins.
E. give positive electric charges to the amino acid AND are described as basic amino acids.
E
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a. simple squamous b. simple cuboidal c. stratified columnar d. simple columnar e. stratified squamous
Endocrine glands release ____
a. mucus b. hormones c. saliva d. milk e. tears
Originally, HIV was thought to be restricted to transmission during homosexual contact between gay men. List other ways in which HIV is currently known to be transmitted
What will be an ideal response?
Which of the lakes in Figure 56-2 may have a thermocline?
a. 1
b. 2
c. 4
d. 1 and 3
e. 2 and 4