Answer:
The presence of DNA, RNA, and membrane components suggest that the cell was destroyed during the process of secretion. This is consistent with a holocrine type of secretion.
Explanation:
Holocrine is a term used to classify the mode of secretion in exocrine glands in the study of histology. Holocrine secretions are produced in the cytoplasm of the cell and released by the rupture of the plasma membrane, which destroys the cell and results in the secretion of the product into the lumen. Skin glands in mammals are classified into holocrine (e.g., sebaceous glands), and merocrine (e.g., sweat glands). The sub mandibular or chin gland of rabbits is a modified sweat gland (apocrine; Lyne et al., 1964) developed from the external root sheath of the hair follicle and attached to it
The secretion described is likely an 'apocrine secretion', a type of glandular secretion involving the release of cytoplasmic materials. This process includes the release of DNA, RNA and membrane components like phospholipids.
The secretion you've described is most likely an instance of a cell's apocrine secretion, which is a form of glandular secretion that involves the release of cytoplasmic materials. In this type of secretion, parts of a cell's cytoplasm (which contains DNA and RNA) are pinched off into the secretory vesicle, along with membrane components like phospholipids. Once the vesicle reaches the cell surface, it fuses with the plasma membrane and the contents are released outside the cell. This type of secretion is common in mammary glands and some sweat glands in humans.
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b. vital organs that are functional only in alternate generations of a lineage
c. redundant organs present in an organism, which have been functional in the organism’s ancestors
d. redundant organs present in an organism, which will be functional in the succeeding generations of the lineage
Answer:
The correct answer is c. redundant organs present in an organism, which have been functional in the organism’s ancestors.
Vestigial organ are those which are retained in the evolution however lost their original functions due to change living habits or surroundings of the organisms.
They serve as the evidence of evolution and help in evolutionary studies.
For example, vermiform appendix, nictating membrane of eye, ear muscle etc are vestigial organs found in humans.
b. The genes that produce the enzymes needed to break down lactose are not expressed.
c. E. coli is not able to survive without lactose.
d. The genes required to produce the enzymes that break down lactose are destroyed.
D. The genes that produce the enzymes needed to break down lactose are not expressed.
Absolutely sure!
Answer:
Red blood cells are the most common formed element and they contain hemoglobin which is a respiratory pigment that can transport both oxygen and carbon dioxide throughout the body.
Explanation:
Red blood cells are the most common formed element in the blood and contain hemoglobin, a respiratory pigment that can transport both oxygen and carbon dioxide throughout the body.
Red blood cells are the most common formed element in the blood. They contain a respiratory pigment called hemoglobin, which is responsible for transporting oxygen andcarbon dioxidethroughout the body.
Hemoglobin binds to oxygen in the lungs, forming oxyhemoglobin, and carries it to the body's tissues. In the tissues, oxyhemoglobin releases oxygen, allowing it to be used by cells for various metabolic processes. At the same time, hemoglobin picks up carbon dioxide, a waste product of cellular respiration, and carries it back to the lungs for exhalation.
This process of oxygen and carbon dioxide transportis crucial for maintaining the body's overall oxygen levels and removing waste carbon dioxide. Without red blood cells and hemoglobin, the body would not be able to efficiently deliver oxygen to all cells and remove carbon dioxide.
Learn more about formed elements and respiratory pigment here:
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B. process nutrients
C. store fat-soluble vitamins
D. detoxify
Hepatocytes do not produce digestive enzymes.
Hepatocytes are specialized cells found in the liver, and they perform various functions related to metabolism and detoxification. While hepatocytes play a crucial role in processing nutrients, storing fat-soluble vitamins, and detoxifying harmful substances, they do not produce digestive enzymes.
Digestive enzymes are primarily produced by the pancreas and salivary glands, and they are responsible for breaking down food into smaller molecules that can be absorbed and utilized by the body.
Read more on Hepatocytes here brainly.com/question/12976427
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