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Phospholipid Bilayer - contains cholesterol and embedded proteins phospholipid head and fatty acid tail Phospholipid head - hydrophilic Fatty Acid Tail - Hydrophobic Exterior Phospholipid bilayer - hydrophilic, phosphoric acid region Interior Phospholipid bilayer - hydrophobic, fatty acid region Aldosterone Function - Stimulates NA+ reabsorption and K+ secretion, increases water reabsorption, blood volume, and blood pressure

Q1: Bryophyta (mosses) - Avascular plants which alternate between haploid and diploid forms and have flagellated sperm. Pterophyta (ferns) - Vascular plants which alternate between haploid and diploid forms and have flagellated sperm Rhizopoda (amoebas) - Avascular plants which do not alternate between haploid and diploid forms. Coniferophyta (pines) - Avascular plants which do not have flagellated sperm.

Muscle movement on the cellular level is initiated by the release of Ca2+ from the terminal cisternae. Terminal cisternae are associated with A. sarcoplasmic reticulum. B. myosin cross-bridges. C. myoglobin. D. canaliculi. E. thin filaments. - correct answer A Muscle fibers store Ca++ in the sarcoplasmic reticulum for release during contraction. The sarcoplasmic reticulum, analogous to the endoplasmic reticulum, runs extensively throughout the fiber so that released Ca++ will come ...

OAT Practice Test Biology Module 201 Exam

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Oat Biology Questions set

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