Straighterline bio 201l Study guides, Class notes & Summaries

Straighterline bio 201l lab7 The Muscular System 2023

​1. Compare and contrast diffusion and osmosis.​” With Diffusion both the solvent and solute particles can cross the membrane, with osmosis only the solvent crosses the membrane. Both are passive transports. ”​2. What is the water potential of an open beaker containing pure water?​ ” The water potential is 0 ”​3. Why don’t red blood cells swell or shrink in blood?

1. How do banding patterns change when a muscle contracts?” Muscle contraction causes actin and myosin myofilaments to decrease length and come together. Both the H and I zones become narrow and the A band has no change. ”2. What is the difference between a muscle organ, a muscle fiber, myofibril and a myofilament? ” Muscle organs are tissue composed of cells and fibers producing movement throughout the body that result in contractions. Muscle fibers are composed of myofibrils that c...

Straighterline bio 201l Lab 3 Mitosis and Meiosis

What is the function of the endocrine system .1 .Its function is to secrete hormones throughout the body .Research two types of hormones and describe the mode of action for each .2 adrenaline - once secreted from the brain it puts the body into a fight or flight mode. Its (1 mode of action is the alpha adrenergic receptors. 2) melatonin - this hormones has day and .night cycles and its mode of action is in the MT 1 and MT 2 receptors ?Which gland is both endocrine and exocrine .3 The panc...

Straighterline bio 201l quiz 5 2023

Straighterline bio 201l lab 7-AP1 Lab quiz 7

Straighterline bio 201l lab QUIZ 8

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