Newly formed root cells start to differentiate into various cell types in the zone of maturation. Here, cells adopt specialized functions like root hair cells, transport cells, or storage cells after the stages of root meristem and elongation.
Newly formed root cells begin to form different cell types in the zone of maturation. The root system in plants involves different zones. Directly behind the root tip is the root meristem, which is the site of active cell division. Beyond the root meristem is the zone of elongation, where cells begin to elongate. However, it is in the zone of maturation, or differentiation, where cells adopt specialized functions such as root hair cells, storage cells, or transport cells.
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Newly formed root cells begin to differentiate into different cell types in the zone of maturation. This is the final stage where elongated cells from the zone of elongation mature into specialized cells.
Newly formed root cells begin to differentiate into different cell types in the zone of maturation. In the root development process, there are different zones responsible for different tasks. The process starts at the root meristem, where cells are actively dividing. Next, these young cells move into the zone of elongation, where they begin to lengthen. Lastly, these elongated cells enter the zone of maturation. In this zone, they further differentiate into specialized cells, responsible for absorption of water and minerals, a function integral to the plant's survival.
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Answer:
The exchange of oxygen and carbon dioxide between the alveoli and bloodstream (via passive diffusion)
Explanation:
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Answer: The exchange of oxygen and carbon dioxide between the alveoli and bloodstream
Explanation:
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The best definition for a macromolecules is the most abundant elements found in living cells. The correct option is d.
A macromolecule, such as a protein or nucleicacid, is a very large molecule that is important in biophysical processes.
It is made up of thousands of atoms that are covalentlybonded. Many macromolecules are polymers composed of smaller molecules known as monomers.
Macromolecules are essentially polymers, which are long chains of molecular subunits known as monomers.
Long polymers are found in carbohydrates, proteins, and nucleic acids. They are classified as macromolecules due to their polymeric nature and large size.
Macromolecules are made up of monomers, which are single units joined together by covalent bonds to form larger polymers. The most abundant elements found in living cells are the best definition for macromolecules.
Thus, the correct option is d.
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Your question seems incomplete, the missing options are:
a. a trace element
b. a vitamin
c. an organic molecule necessary for life
d. the most abundant elements found in living cells
Answer:
There are no answers to choose from.
Explanation:
However, the prefix macro- means big, so the word macromolecule means large molecule. Macromolecules are also known as the molecules of life, they all contain carbon. The four macromolecules are carbohydrates, proteins, lipids, and nucleic acid. Carbohydrates are used as a quick energy source, they can be broken up into monosaccharides, dsaccharides, and polysaccharides. Proteins are used as catalyst to help speed up chemical reactions. Lipids are also known as fats, they can either be saturated or unsaturated. Nucleic acids contain information.
Examples of each:
Carbohydrate- Gluten
Protein- Lactase
Lipid- butter, or oil
Nucleic Acid- DNA or RNA
Answer: Diffusion
Explanation:
The osmosis is explained as the selective permeability of the membranes which allows the movement of the solute from higher concentration to lower concentration.
This is associated with diffusion which can be defined as the random movement of the particles in order to attain equilibrium.
The diffusion allows the movement of the particles and osmosis allows the movement of only selective materials.
B. Widespread ice sheets
C. The formation of Pangaea
Answer:
C
Explanation:
What is the cause of his symptoms. Explain the mechanism.
Answer:
The lower back pain and bilateral leg pain is due to over and intense physical activity which causes stretching of ligaments and muscles resulting in back and leg pain. Such pain can be managed by limited or by reducing physical activity. The dark color of urine is due to the presence of bile (bilirubin) in the urine. Here the patient has a past medical history of alcohol abuse. Excessive alcohol intake enhances gut permeability resulting in enhanced absorption of bacterial endotoxins. Excessive endotoxins in the liver cause damage of the kupffer cells in the liver, resulting in the release of bilirubin in the blood which ultimately passes through kidneys into the urine.
Explanation: