Transpiration is the process by which plants return water from their leaves to the atmosphere as water vapor.
Transpiration is the process by which plants return water from their leaves to the atmosphere as water vapor. It is the loss of water through evaporation at the leaf surface.
Transpiration is driven by the evaporation of water at the leaf-atmosphere interface and creates negative pressure, which pulls water up from the roots. This process plays a crucial role in the movement of water in plants and the water cycle.
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Answer:
Proteinuria occurs when the filtration membrane becomes leaky, allowing proteins to cross. This impacts the blood colloid osmotic pressure by decreasing the osmolarity gradient between the blood and filtrate, thereby reducing the strength of this pressure.
Explanation:
Proteinuria is the medical term that describes the presence of proteins in the urine.Proteins, in normal conditions, are not capable of filtrating through the membrane but, in the presence of a disease, this is possible.
Proteins are responsible for the colloid osmotic pressure in the blood vessels, so when proteins get filtered, this pressure decreases and so does the osmolarity gradient between the blood and filtrate. The decrease in osmolarity gradient also produces a decrease of the colloid osmotic pressure because the strength of the pressure is as big as the gradient between the two compartments.
(B) Protein-coding genes and noncoding DNA make up about the same amount of the human genome.
(C) Protein-coding genes make up far more of the human genome than noncoding DNA.
(D) Noncoding DNA has not been found in humans.
Answer:
(A) Protein-coding genes make up far less of the human genome than noncoding DNA.
Explanation:
The human genome contains both protein-coding and non-coding sequences. However, the non-coding sequences make most of the human genome as they account for as much as 98.5% of the total human genome. The non-coding part of the human genome serves other important functions such as promoter, enhancers, silencers for gene expression.
An only small part of the human genome serves as protein-coding genes and make exons.
The correct answer is option C. It causes water molecules to be attracted to other water molecules.
The water is a polar molecule. The polarity of the water is due to the electronegativity of the oxygen. Due to high electronegativity of the oxygen the bond of the hydrogen and oxygen is pulled towards itself, which causes the appearance of slight negative charge on the oxygen and slight positive charge on hydrogen.
Due to this slight charge, the water molecules are attracted towards one another and form hydrogen bonds.