Which structure acts like a motor for the bacterial flagellum?
a. hook
b. capsule
c. filament
d. basal body
e. protein rings
d
Biology & Microbiology
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When two traits are analyzed separately, then the frequencies of each are combined to yield the observed phenotypic ratios, this confirms the principle of ____________________
Fill in the blank(s) with correct word
Biology & Microbiology
Contained in amino acids, proteins, nucleic acids, chlorophyll.
Choose the letter of the best match: A. nitrogen B. calcium C. potassium D. phosphorus E. magnesium
Biology & Microbiology
DNA contains all of the following nitrogen-containing bases EXCEPT ____
a. adenine b. uracil c. guanine d. adenine e. thymine
Biology & Microbiology
The first site of starch breakdown in the digestive system is
A. the esophagus. B. the mouth. C. in the small intestines. D. in the stomach.
Biology & Microbiology