what is the terms for a flexible spiral shaped bacterium that moves through the use of an axial filament
What will be an ideal response?
spirochete
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Which is NOT a characteristic of a "primitive" state of microbial evolution?
A) hyperthermophilic B) aerobic metabolism C) small genome D) branching near the root of the evolutionary tree of life
What connective tissue is made from substances secreted by osteocytes?
What will be an ideal response?
Cis-regulatory and trans-regulatory elements are important for evolutionary changes to morphology because
A. Changes to the loci acted on by cis- and trans- regulatory elements affects which genes are expressed, how much, and when B. Cis- and trans- regulatory elements evolve rapidly C. Mutations in cis- and trans- regulatory elements can create novel proteins D. Mutations to cis- and trans- regulatory elements can alter the genotype without affecting the phenotype
Bands of connective tissue that help muscles attach to bones are termed ________
A) ligaments B) fibrocartilage C) cartilage D) tendons