A very thin and long strand of cotton is called "cotton fiber."
Cotton fiber, often simply referred to as "fiber," is a natural material derived from the cotton plant's seed hairs. These fibers are exceedingly thin and can be exceptionally long, making them ideal for various applications in textiles and manufacturing. Cotton fibers are among the most widely used natural fibers globally due to their desirable characteristics, such as softness, breathability, and absorbency.
Cotton fibers are typically extracted from cotton bolls, the protective capsules that contain the seeds of the cotton plant. These fibers are made up of cellulose, a complex carbohydrate that gives cotton its strength and durability. The individual cotton fibers can vary in length but are generally quite long compared to other natural fibers, measuring between 1 to 2.5 inches on average. This length is crucial for spinning into yarn and weaving into fabrics.
Cotton fibers are essential in the textile industry, where they are spun into yarns and then woven or knitted into a wide range of products, including clothing, bed linens, and towels. The softness and breathability of cotton make it a preferred choice for comfort wear. Additionally, cotton fibers can be used in non-textile applications, such as in the production of paper, medical supplies, and even some food products.
In summary, a "very thin and long strand of cotton" is referred to as a "cotton fiber," and these fibers play a vital role in numerous industries, especially textiles and manufacturing.
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Answer: cotton fibres.
Explanation:
Answer:
D. The DNA would not separate properly.
Explanation:
Condensing the DNA into tightly coiled structures (chromosomes) is a crucial step in mitosis. This condensation ensures that the DNA separates properly into two daughter cells during cell division. If the DNA is not condensed, it could lead to errors in the distribution of genetic material to the daughter cells.
Answer:
Some of the sensation of olfaction is actually one of pain. (Ans D)
Explanation:
Olfactory system is also known as sense of smell, is called the sensory system used for olfaction (smelling). It is known as the special sense, which have directly association with specific organs. Most reptiles, and mammals contains 2 types of olfactory system:
1) Main olfactory system: It helps in detection airborne substances.
2) Accessory olfactory system: It helps in sense fluid phase stimuli.
Consider the statement as True or False
Answer: True
Explanation:
Natural selection can be defined as the phenomenon by which the environment changes and the to fit into the environment the genetic makeup of the organism changes in order to suit into the changing environment.
The organism that is fit to suit into the changing environment is favored and the organism that does not fits into the environment dies.
So, natural selection can be said as survival of the fittest.
cholesterol
testosterone
beeswax
Cholesterol is the lipid that acts as a chemical messenger in the body, playing a role in cell signaling and hormone production. Therefore, the correct answer is option b.
Cholesterol is the lipid that acts as a chemical messenger. Cholesterol is a sterol, a type of lipid molecule, and it serves as a precursor for the synthesis of various important chemical messengers in the body, including hormones like testosterone and estrogen.
These hormones play key roles in various physiological processes, such as regulating the development and function of reproductive organs, and they act as signaling molecules that help coordinate different activities within the body. Cholesterol also plays a vital role in the structure and function of cell membranes.
The other options (adipose tissue and beeswax) are not typically considered chemical messengers in the same way that cholesterol and hormones are.
Therefore, the correct answer is option b.
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Answer:
The correct answer would be the telophase of mitosis.
Mitosis or M-phase of the cell cycle is the phase in which actual cell division takes place.
It is sub-divided into four stages:
1. Prophase:
Early prophase:
Late prophase or prometaphase:
2. Metaphase: All chromosomes are aligned at the center forming a metaphase plate. In addition, two kinetochores of each chromosomes are attached to the microtubules extending from opposite spindle fibres.
3. Anaphase: The sister chromatids of the chromosome are pulled towards opposite ends of the cell. Also, the cell elongates which help in division.
4. Telophase: It is exactly opposite to what happens in the prophase. The mitotic spindle break down, nuclear membrane and nucleus reappear, and chromosome again decondense to form chromatin fibres.
Cytokinesis results in the formation of two daughter cells.
Mitosis is the process by which a single parent cell divide into two identical daughter cells. The process occurs in five stages, which are: interphase, prophase, metaphase, anaphase and telophase. The processes that occur in the early part of mitosis are usually reversed at the telophase stage, which is the last stage of the process. At the telophase stage, the nuclear membrane and the neucleoi reappear and the chromosome begins to condense.