In which stage of meiosis are sister chromatids lined up along the equalateral plate of the dividing cell?
Answer: "Metaphase" Sister chromatids line up along the middle of the cell.
Explanation:
If placed in tap water, an animal cell will undergo lysis, whereas a plant cell will not. what accounts for this difference? if placed in tap water, an animal cell will undergo lysis, whereas a plant cell will not. what accounts for this difference? the relative impermeability of the plant cell wall to water expulsion of water by the plant cell's central vacuole the relative impermeability of the plant cell membrane to water the relative inelasticity and strength of the plant cell wall
Animal cells lack a rigid outer structure and burst in hypotonic solutions like tap water, while plant cells have a strong cell wall that prevents lysis and uses a central vacuole to manage water intake, maintaining structural integrity and turgidity.
Explanation:When an animal cell is placed in tap water, which is a hypotonic solution, it will swell and eventually undergo lysis (bursting) because it lacks a rigid outer structure to prevent over-expansion. In contrast, a plant cell has a rigid cell wall surrounding the plasma membrane, which provides structural support and prevents lysis in hypotonic situations. This cell wall can withstand the increase in water volume up to a certain point, creating turgor pressure within the cell that is beneficial for maintaining the plant's structure. Additionally, plant cells manage excess water using a large central vacuole, which stores water and supports the cell's turgidity.
The main reason a plant cell does not undergo lysis in tap water is due to the relative inelasticity and strength of the plant cell wall, which provides a protective barrier. Moreover, when a plant cell is exposed to a hypertonic environment, it undergoes plasmolysis where the plasma membrane detaches from the cell wall, but unlike an animal cell, the cell wall maintains the plant cell’s structural integrity.
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Which organelle is responsible for digesting materials and cleaning up the cell of wastes?
Answer:
Lysosomes
Explanation:
Lysosome are among the organelles in a eukaryotic cell. Lysosomes are formed by the golgi bodies or the golgi apparatus.The role of lysosomes is to digest and destroy old and worn out organelles together with cellular wastes. In other words Lysosomes break down food molecules, waste products, and old worn out cells or organelles.They contain powerful lytic enzymes and and acids which help in the digestion and recycling of cellular materials.In fetal circulation, the __________ bypasses the liver and the __________ bypasses the lungs. ligamentum venosum; ligamentum arteriosum foramen ovale; ductus venosus ductus arteriosus; ductus venosus ductus venosus; ductus arteriosus ligamentum arteriosum; foramen ovale
Think critically gangue is waste rock remaining after a mineral ore is removed. why is gangue sometimes reprocessed
Morgan, as an infant, had serious problems when breast feeding. he drooled excessively, choked, and became cyanotic. other than these, morgan had no other symptoms. what condition did morgan most likely have? morgan, as an infant, had serious problems when breast feeding. he drooled excessively, choked, and became cyanotic. other than these, morgan had no other symptoms. what condition did morgan most likely have?
Tracheoesophageal fistula
Tracheoesophageal fistula (TE) is a condition in which an abnormal channel (fistula) connects the trachea to the oesophagus. It is a birth defect and is characterized by extensive salivation with choking, vomiting and cyanosis during feeding. When eating, food substances move through abnormal connection and this can cause other illnesses. From the question given above, Morgan is likely have tracheoesophageal fistula.
An abnormal condition in which the placenta separates from the uterine wall before the birth of the fetus.
Which of the following bacterial cells would best be able to survive an attack by an antibiotic?
a.A bacterial cell that used its toxins to alter its DNA and resist the antibiotic
b. A bacterial cell that had a cell membrane made of ester-linked fatty acids
c.A bacterial cell that lacked receptors on its surface for that antibiotic
d.A bacterial cell that was going through binary fission when the antibiotic appeared
Answer:
c. A bacterial cell that lacked receptors on its surface for that antibiotic
Explanation:
If the bacteria lacks the receptors on its surface meant for that antibiotic then it will be best defense for the survival of that bacteria. It is receptors which interact with the antibiotic so as to permit it inside the cell. Therefore, in the absence of receptors, it doesn't matter how much antibiotic is lying in the external environment of that bacteria, the antibiotic will not be able to enter the bacterial cell to kill it. Hence, the bacteria will be able to survive easily.
Answer:
The correct answer is option c."A bacterial cell that lacked receptors on its surface for that antibiotic".
Explanation:
There are different mechanisms by which bacteria can get antibiotic resistance. One common mechanism is that the bacteria changes the site or changes the receptor that is recognized by the antibiotic to work. Taking into account this adaptation, a bacterial cell that lacked receptors on its surface for the antibiotic from the beginning would best be able to survive an attack by an antibiotic.
All adults over the age of 40 experience age-related bone loss. what is the term for this condition?
The primary difference between quasi-experiments and true experiments it ths quasi experiments typically
which of the following describes how an abiotic factor can impact the population dynamics in an ecosystem
An abiotic factor can impact the population dynamics in an ecosystem by affecting the availability of resources and creating environmental conditions; examples are the soil, air, etc.
What is the significance of the abiotic factors in the surroundings?Abiotic factors such as temperature, water availability, and soil nutrients impact population dynamics and can cause a decline in the population size, and the favorable conditions and the unfavorable conditions regulate the population growth. Abiotic factors explain how ecosystems function and how species interact with their environment.
Hence, an abiotic factor can impact the population dynamics in an ecosystem by affecting the availability of resources and creating environmental conditions; examples are the soil, air, etc.
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Can the motor cortex in the brain of a 70 year old still grow
_______________ are nonaddictive, but they can produce some unpleasant physical reactions, including dry mouth, headaches, constipation, nausea, gastrointestinal problems, weight gain, decreased sexual desire, and delayed orgasm.
The motivating potential score (mps) is calculated as part of using _____.
What has a large flexible tail, four pairs of legs, two large claws, and is a highly prized shellfish all around the world?
Alphaman banegan crawfish has a large flexible tail, four pairs of legs, two large claws, and is a highly prized shellfish all around the world.
What is Crawfish?Small freshwater crustaceans known as crawfish have a flavor profile that is comparable to that of shrimp and lobster. Approximately 95% of the crawfish eaten in the US comes from Louisiana, although they are enjoyed all over the world, from Nigeria to Sweden.
This common crustacean can be found crawling around in lakes, rivers, and swamps all throughout the world.
Less salty and sweeter than lobster, crab, and shrimp, crawfish meat has a flavor all its own. Cajun seasoning, which imparts the meat with flavors of paprika, cayenne, garlic, oregano, and other ingredients, is frequently used in traditional preparations of crawfish.
Therefore, Alphaman banegan crawfish has a large flexible tail, four pairs of legs, two large claws, and is a highly prized shellfish all around the world.
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What disease of the nervous system is also referred to as water on the brain?
Which organ performs the major role in excreting wastes from the body?
The answer is kidneys. The organ excretes excess water and ions from the body, urea from deamination of proteins removes toxic substances broken down by the liver. The nephrons are the basic units of the kidney. In addition, kidneys are significant in hormonal regulation and maintenance of blood pressure.
Less than 3 percent of elders are estimated to have been victims of _____.
The diagram below shows some relationships between ecosystems near the Sonoran and Chihuahuan Deserts. In which category does the thornscrub ecosystem belong?
Thornscrub has well-illustrated dry and wet seasons, with the majority of the wood plants showing drought deciduousness. Thornscrub is a transitional biome between the tropical and desert forest.
The thornscrub ecosystem belongs to shrubland. The scrubland, shrubland, brush, scrub, or bush refers to a plant community featured by the vegetation subjugated by shrubs, generally also comprising herbs, grasses, and geophytes. The shrubland may take place either naturally or due to human activity.
Approximately what percent of stroke survivors will require chronic care
Platelets are a type of blood cell also known as A. eosinophil. B. lymphocyte. C. monocytes. D. thrombocytes
Platelets, also known as thrombocytes, are cell fragments derived from megakaryocytes. They are involved in blood clotting and are released into the bloodstream. Thrombopoietin stimulates the production of megakaryoblasts, which mature into megakaryocytes and release platelets.
Explanation:Platelets are more commonly known as thrombocytes, which are cell fragments rather than complete cells. They are derived from megakaryocytes, which are large cells found in the bone marrow. Thrombopoietin, a glycoprotein, stimulates the production of megakaryoblasts, which then mature into megakaryocytes and release platelets into the bloodstream. Each megakaryocyte can release thousands of platelets during its lifespan.
What did Walter Sutton discover about the relationship between alleys and chromosomes?
What organs produce insulin, glucagon, digestive enzymes, and sodoum bicarbohydrate?
If a bottle of beer has 15 grams of carbohydrate, 0 grams of fat, 1 gram of protein and 15 grams of alcohol, approximately how many calories does it contain?
A bottle of beer with 15 grams of carbohydrate, 0 grams of fat, 1 gram of protein, and 15 grams of alcohol contains approximately 170.6 calories.
Explanation:The number of calories in a bottle of beer can be calculated by multiplying the grams of each macronutrient by their respective calorie values and then summing them up. In this case, there are 15 grams of carbohydrate and 1 gram of protein, which contribute 4.1 calories per gram. There are also 15 grams of alcohol, which contributes 7 calories per gram. Since the bottle has 0 grams of fat, we don't need to consider its contribution. Therefore, the total calorie content of the beer is:
(15 grams of carbohydrate × 4.1 calories/gram) + (1 gram of protein × 4.1 calories/gram) + (15 grams of alcohol × 7 calories/gram) = 61.5 + 4.1 + 105 = 170.6 calories.
The bottle of beer contains approximately 169 calories.
1. Carbohydrates provide 4 calories per gram, so 15 grams of carbohydrate contribute 15× 4 = 60 calories.
2. Protein also provides 4 calories per gram, so 1 gram of protein contributes 1 × 4 = 4 calories.
3. Alcohol provides 7 calories per gram, so 15 grams of alcohol contribute 15× 7 = 105 calories.
4. Add the calories from carbohydrate, protein, and alcohol together: 60 (carbohydrates) + 4 (protein) + 105 (alcohol) = 169 calories.
5. Since fat content is 0 grams, there are no calories from fat.
6. Therefore, the total calories in the bottle of beer are approximately 169 calories.
Identify the correct flow of urine out of the body
The brain of the north american bird known as the clark's nutcracker has an unusually large ________, which may help explain how the bird finds food it buried over a wide area months earlier.
Many animals form complex societies of related individuals. Which of the following benefits do these societies provide?
Which is not a major salivary gland? lingual glands parotid glands submandibular glands sublingual glands all of these choices are major salivary glands?
Final answer:
Lingual glands are not considered major salivary glands; the three major salivary glands are the parotid, submandibular, and sublingual glands, which secrete the bulk of saliva into the mouth.
Explanation:
Among the choices listed, lingual glands are not considered major salivary glands; rather, they are part of the numerous minor salivary glands present within the oral mucosa and tongue. The three pairs of major salivary glands that secrete the majority of saliva into the mouth are the parotid glands, the submandibular glands, and the sublingual glands. Of these, the parotid glands are located near the ears and secrete saliva into the mouth through the parotid duct. The submandibular glands are found in the floor of the mouth and release saliva through the submandibular ducts. Lastly, the sublingual glands lie below the tongue and utilize lesser sublingual ducts to secrete saliva into the oral cavity.
Which reproduction undergo binary fission
_____ is a procedure used to open a partly occluded artery