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USABO Exam Questions With 100% Correct Answers 2024

USABO Exam Review With 100% Correct Answers 2024

USABO EXAM QUESTIONS AND ANSWERS Eukaryote - ANS An organism whose cells contain complex structures enclosed within membranes. The defining membrane bound structure that sets them apart from prokaryotic cells is the nucleus or nuclear envelope within which the genetic material is carried. All large complex species are eukaryotes, including animals, plants and fungi. Euchromatin - ANS This shows as pale areas in the nucleus under electro magnification. It is a less densely packed for...

USABO Exam Questions with 100% Correct Answers | Verified | Updated 2024

USABO Exam Questions With 100% Correct Answers 2024

Mycorrhizae correct answersSymbiotic organisms (aka symbionts) with plants that live on their roots, helping the plant gain nutrients Nerve net correct answersA nervous system that moves neural signals in all directions from the stimuli, found in invertebrates like hydra Malpighian tubules correct answersTubes in an insect that help with osmoregulation and excretion; they move waste into the main gut for removal. "Kidneys" of arthropods, they absorb ammonium and convert it into uric acid...

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USABO EXAM|867 QUESTIONS WITH VERIFIED ANSWERS

year notes USABO Exam Questions And Answers axon hillock - ANS the cone-shaped area on the cell body from which the axon originates -trigger zone hyperopia - ANS A condition in which visual images come to a focus behind the retina of the eye and vision is better for distant than for near objects -- called also farsightedness. axon hillock has high concentration of what voltage gated pumps - ANS sodium and potassium how to calculate membrane potential - ANS the outs...

Why is myelin important in the nervous system? A. It allows signals to travel faster along axons because depolarization occurs only at myelinated locations. B. It allows signals to travel faster along axons because depolarization occurs only at nonmyelinated locations. C. It bundles the dendrites of adjacent neurons together. D. It increases capacitance across the cell membrane, which helps electrical signals to leave the axons. E. It traps neurotransmitters, increasing their concentratio...