Intervertebral discs are absent between these vertebrae.

What will be an ideal response?


atlas and axis

Biology & Microbiology

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A rapid, powerful movement of short duration that could not be sustained very long would likely involve mainly ____

a. fast anaerobic fibers b. fast aerobic and fast anaerobic muscle fibers c. slow muscle fibers and fast aerobic muscle fibers d. slow muscle fibers e. fast aerobic fibers

Biology & Microbiology

What type of microscope uses magnetic lenses to bend beams of electrons?

a. compound microscope b. confocal microscope c. scanning electron microscope d. transmission electron microscope e. light microscope

Biology & Microbiology

A dominant allele is found in a population with a frequency of 0.8. As the environment begins to change, the dominant allele is not favored. Scientists find that the frequency of the dominant allele decreases by half each generation. What are the allele, genotype, and phenotype frequencies before and one generation after the population begins to change? Is Hardy-Weinberg equilibrium maintained?

What will be an ideal response?

Biology & Microbiology

Which type of cytoskeletal fiber is important in the function of nuclear lamina?

A. microfilaments B. intermediate filaments C. microtubules D. fibronectin

Biology & Microbiology