C. a wide variety of animals (think of a rainforest :D)
The secretion of aldosterone is directly stimulated by angiotensin II.
Aldosterone is a mineralocorticoid hormone. It is synthesized in the zona glomerulosa of the adrenal cortex that affects water and salt regulation in the body.
The basic function of the hormone is to act on the late distal tubule and collecting duct of nephrons in the kidney, which promotes sodium and water reabsorption and potassium removal thus maintaining acid-base balance.
Conditions like low blood pressure or low serum sodium stimulates the renin‐angiotensin‐aldosterone system (RAAS) in which initially renin is produced from the renal juxtaglomerular cells after which angiotensinogen is cleaved into angiotensin I. Angiotensin-converting enzyme (ACE) from the lungs then converts angiotensin I to angiotensin II, which in turn triggers the production of aldosterone.
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The GOLGI APPARATUS. it packages and modifies and sends stuff outta the cell.
:)
Well the soil classification is usually done on the basis of particle sizes and composition of soil.
<span>Clay </span>usually consists of particles less than 0.075 mm in size. It is a sticky soil and shows great changes in volume with variation in its water contact. It also shows considerable strength when air dried.
<span>Silt </span>has larger particles than clay and are mainly inorganic in nature. The particle size is less than 0.075mm and exhibits slightly plastic or non plastic behaviour.
Humus is soil consisting of dead and decaying organic matter. It is mainly organic in content but some inorganic particles may be mixed in it. The top soil in a tropical forest may be considered as humus.
the controlled variables are, timing of adding ice, water used, and amount of sugar. the dependant variables are, daily temperature, and amount of lemon juice. the independent variable is, number of glasses sold. hope it helps
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