Which feature is an evolutionary novelty of hexapods?
A. Antennae
B. Mandibles
C. Wings
D. Jointed appendages
E. Chitinous exoskeletons
Answer: C
Biology & Microbiology
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Proteins that bind to acetylated lysine residues in the histone tail contain:
A. bromodomains. B. DNA-binding domains. C. chromodomains. D. kinase domains. E. histone-fold motifs.
Biology & Microbiology
Which Era are we currently living in?
a. Cenozoic b. Miocene c. Quaternary d. Mesozoic e. Tertiary
Biology & Microbiology
Which type of blood vessels carry oxygenated blood away from the heart?
a. Ventricles b. Arteries c. Pulmonary arteries d. Venules
Biology & Microbiology
The term used to describe bacteria that are shaped like curved rods is ________.
A. coccus B. bacillus C. vibrio D. coccobacillus
Biology & Microbiology