Prokaryotic cell movement is attributed to the?
What will be an ideal response?
Flagella and cilia
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The prokaryotic transport system that involves a substrate-binding protein, a membrane-integrated transporter, and an ATP-hydrolyzing protein is
A) the ABC transport system. B) group translocation. C) symport. D) simple transport.
Which process will break apart a large substance into smaller molecules?
a. Metabolism b. Hydrolysis c. Development d. Condensation e. Reproduction
Which of the following conditions would not result in myopia?
1.too great a distance between the lens and the photoreceptors 2.a lens that bends light too powerfully 3.vitreous humor of excessively low viscosity 4.none of the choices (all would result in myopia)
One of the first steps in obtaining a kayrotype is treating cells wiht a drug that stalls cells in mitosis. Why must cells arrest in mitosis for karyotype analysis?
A.) only in mitosis are homologous chromosomes paired up B.) only mitotic chromosomes are highly condensed and visible with a light microscope C.) only mitotic cells contain homologous chromosomes, because mitosis happens after DNA D.) only mitotic chromosome DNA is separated into single strands, allowing for stained by dyes