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Explain the role of solutions?
Solutions: A solution consists of a liquid solvent plus substances dissolved in it, called solutes. Solutes may be ions, atoms, or small molecules, or combinations of these. Solutes are not changed chemically when they dissolve.
The concentration of a solution refers to the amount of solute dissolved in a certain amount of solvent. At some point, the solvent is no longer able to dissolve more solute; this is called the saturation point. For example, sugar crystallizes from a solution if it is oversaturated.Most biological reactions occur in water, that is, in aqueous solutions.
Human respiration Human beings are adopted for terrestrial mode of life. They conduct pulmonary respiration. This system consists of external nostrils, nasal cavities, pharyn
Locomotion in Echinodermata Locomotion in echinoderms is accomplished through a unique canalicular system which is termed as the water-vascular system. This system is charact
We mentioned earlier that pre-mating mechanisms are concerned with the prevention of occurrence of interspecific crosses. In such cases, a) the potential mates do not meet in wh
Q. Write the meaning of diabetes mellitus? The word "diabetes" is from the Greek word meaning "a siphon". Diabetes patients had polyuria (passing excessive urine) and "pass it
Define Reagents - Nelson Somogyi Method for Glucose Estimation? 1. Alkaline copper reagent Alkaline A- Buy commercial from SDS chemicals etc Alkaline B- Weigh 6.25 g anhy
What is reproductive isolation? The Living beings are considered under reproductive isolation when they cannot cross among themselves or if they can cross but cannot generate f
#questionThree actographs (look closely to see the labels A, B, and C). Assume that the abscissa is either 24 or 48 hours for each actograph. You are asked to write two sentences f
Pinocytosis: - The ingestion of dissolved materials by endocytosis. The cytoplasmic membrane invaginates and pinches off placing small droplets of fluid in a pinocytic vesi
What is the significance of Pharyngeal gill slit ? Lateral opening in the wall of the pharynx which allows water to enter into the mouth and exit through the pharynx. This is on
Which is the kind of gamete produced by a heterozygous individual? And what is the genotypical proportion of these gametes? The Heterozygous individuals, for instance, AA, prod
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