The central vacuole is the organelle that often takes up the majority of the volume in a plant cell. It serves several functions such as storing water, disposing waste, and aiding in cellular growth.
Explanation:The organelle that often takes up much of the volume of a plant cell is the central vacuole. In a plant cell, the central vacuole serves multiple functions, most notably, it stores water and helps the plant maintain its shape. During periods of drought, this vacuole can help the plant survive by preserving water within its cell walls. It's also involved in waste disposal, storage of nutrients and molecules, and cellular growth. The central vacuole can occupy up to 80% of the volume of some plant cells, making it the largest organelle in these cells.
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What type of lava flows from a shield volcano
Answer:
Shield volcanoes have a type of lava that is very fluid when it erupts. Explosions only happen if water somehow gets into the vent, otherwise they are low-explosivity and form cones and the vent.
Explanation:
A student analyzed ears of corn that demonstrated two traits in the F2 kernels, purple or white colors and smooth or wrinkled shapes. A tabulation of 135 individual kernels gave the following results:
purple and smooth = 75
white and smooth = 28
purple and wrinkled = 24
white and wrinkled = 8
The alleles are dominant.
purple and smooth
purple and wrinkled
white and wrinkled
white and smooth
i picked white an smooth..
A nurse suffered a needlestick injury after administering a subcutaneous medication to a patient. the subsequent investigation revealed a flaw in the design of the needle and syringe that contributed to the adverse incident. what action should be taken by the investigation team?
The brain's interpretation of sensory stimuli is called
Compare the number of vacuoles in plant cells and animal cells
Plant cells contain a singular large central vacuole that can take up most of the cell's volume, while animal cells possess multiple smaller vacuoles. The large central vacuole in plant cells assists in structural support, storage, and waste disposal, functions that are handled more discretely in animal cells without contributing to rigidity.
Explanation:Plant and animal cells both contain vacuoles, but the number and size of these organelles vary significantly between the two. In plant cells, there is typically a single large central vacuole that may occupy up to 90% of the cell's volume. This vacuole plays a critical role in maintaining the cell's structure, storing nutrients, and managing waste products. Conversely, animal cells typically have smaller and more numerous vacuoles. The primary role of animal vacuoles is similar in terms of storage and waste disposal, but they do not contribute to the cell's rigidity as plant vacuoles do because animal cells lack a rigid cell wall.
It’s also important to note that plant cells possess other structures not found in animal cells, such as a cell wall made of cellulose, chloroplasts for photosynthesis, and plastids used for storage. Conversely, animal cells contain lysosomes and centrosomes, which are not commonly found in plant cells. These differences are fundamental to the diverse functions and life processes of plant and animal cells.
Cells produce ATP both aerobically and anaerobically. One process is an integral part of aerobic respiration that produces the majority of ATP molecules is
Answer: The correct answer is Electron transport chain.
Electron transport chain is a series of protein and organic molecules present in the inner membrane of mitochondria that help in the transfer of electrons from higher energy to lower energy state. Reduced electron carriers that is FADH₂ and NADH transfer electrons via the these organic complexes through redox reactions and finally electrons are accepted by oxygen. The redox reactions capture energy in the form of proton gradient.
The proton gradient helps in the generation of large amount of ATP molecules through chemiosmosis.
Therefore, electron transport chain is an integral part of aerobic respiration.
In embryo development stage 2, what type of replication are the first cells undergoing? what do you think would happen if a mutation occurred in one of these cells?
HOw do platelets aid in the healing of cuts
Platelets aid in the healing of cuts by forming a plug at the site of the injury and releasing growth factors that promote tissue repair.
Explanation:Platelets play a crucial role in the healing of cuts through a process called hemostasis. When there is damage to blood vessels, platelets are activated and form a plug at the site of the injury, preventing further blood loss. They release growth factors that promote tissue repair, particularly in connective tissue. This promotes healing and helps to close the cut.
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1.) The ...blank... hypothesis suggests that our solar system evolved from a huge rotating cloud of dust and gas.
2.) Lines of ...blank... are used to measure distances east or west of the prime meridian in degrees.
3.) The major difference between a topographic map and other maps is that s topographic map shows ...blank... .
Answer:
1. The nebular hypothesis suggests that our solar system evolved from a huge rotating cloud of dust and gas.
2.) Lines of longitude are used to measure distances east or west of the prime meridian in degrees.
3.) The major difference between a topographic map and other maps is that s topographic map shows elevation.
Explanation:
The nebular hypothesis is the most widely accepted hypothesis to describe the formation of the solar system. It states that the solar system born from a nebula, which is a cloud of atoms and molecules in the outer space.
Latitudes and longitudes are the units of the geographic coordinate system. Every address in the world has a set of coordinates, latitude, and longitude. Latitude divides the globe in north and south from the equatorial plane, while longitude divides the globe in west and east from the Greenwich Meridian.
A topographic map shows the topography. Although there are many methods, usually it has contour lines to indicate points with similar elevation.
The _____ includes the pinna, the ear canal, and the eardrum.
The _____ gland has sometimes been called the "master gland" because it controls the functioning of the rest of the endocrine system.
Sperm in the lumen are unable to move independently and require ________ to move through the tubules of the testes.
Answer:
The correct answer would be smooth muscle contractions.
The testes ducts include seminiferous tubules, rete testis, epididymis, vasa deferens and urethra.
The seminiferous tubules serves as the site of sperm formation. They then migrate to epididymis for storage and maturation.
The sperm then migrate to vasa deferens from epididymis when the penis gets erected.
When sufficient stimulation is achieved, the vasa deferens propels the sperm forward with the help of smooth muscle contractions.
The _______ is the smooth, triangular surface where the anterior surface of the scapula faces the ribs.
Which organelle synthesizes proteins that are used in the cytoplasm?
In biology, the Ribosome is the organelle that synthesizes proteins which are used in the cytoplasm. This process is called translation and is crucial for cell function.
Explanation:The organelle that synthesizes proteins which are used in the cytoplasm is the Ribosome. Ribosomes are small, spherical organelles that are found in every living cell and are sites where protein synthesis occurs. This process is called translation, where the genetic information from RNA is read to create proteins. These proteins will then perform a variety of functions in the cell, including acting as enzymes, structural proteins, or signaling molecules.
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Process that tests a hypothesis by collecting information under controlled conditions is called
The primary means through which humans adapt to their environment is:
What is the name of lumbar sacral and coccygeal spinal nerves?
When your body sweats, which process is at work to cool your body off?
Answer:
evaporation
Explanation:
it was right on my quiz
Which of these statements best describes a scientific theory? it is a description of an observation which does not change over time. it is a description of an observation after research over a period of time. it is an explanation for an observation which is not based on data. it is an explanation for an observation after several valid experiments?
Answer: The correct answer is- It is an explanation for an observation after several valid experiments.
A scientific theory can be described as an explanation of a fact that can be tested and verified with the help of repeated experiments, using particular protocol of experiment that involves measurement, and evaluation of results.
In other words, It is the interpretation and explanation of the facts that are observed through various experiments.
Thus, it is an explanation for an observation after several valid experiments.
How do aerobic bacteria differ from anaerobic bacteria?
what are the two specific concerns of species diversity
The answer is (species richness) and (species evenness) for plato.
When you are sick and have taken antibiotics to kill the bacteria it will kill all of the bacteria including the bacteria in your intestine. Why is the loss of the bacteria in your intestine not beneficial to you? What kind of a relationship is that and how does eating yogurt help you?
Monozygotic twins share _____ percent of their genes.
What are the 3 things that all organisms are capable of doing? These are also known as the challenges of life.
A) working, growing, eating food
B) photosynthesis, reproducing, growing
C) growing, processing nutrients, reproducing
D) running, breathing, watching TV
A) ATP is produced by cellular respiration in your human body cells. There are a variety of enzymes that work to produce ATP, but one of those enzymes is called phosphofructokinase-1. This enzyme is sensitive to blood acidity. Blood can become more acidic if a patient is in respiratory distress. 4. Variable affecting enzyme function: ___________________________________________________
What role does catalase play in this reaction of anenzyme?
What time should i quit eating for a 12:30 p.m. colonoscopy?
You should stop eating solid food the day before a colonoscopy scheduled for 12:30 p.m. Clear liquids are typically allowed until 2 hours before the procedure. Always follow your doctor's specific instructions.
Explanation:Generally, for a 12:30 p.m. colonoscopy, you should stop eating solid food the day before the procedure. Clear liquids are usually allowed up until 2 hours before the colonoscopy. This ensures that your colon is completely clean for the procedure. However, these instructions can vary depending on the doctor's guidelines, so it's crucial to follow the specific preparation instructions provided by your doctor or the medical facility.
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Which combination of foods would provide all the essential amino acids? rice and beans, corn and lima beans, pea soup and bread?
Cholesterol transported from the cells to the liver by hdl can then be used to synthesize bile. cholesterol transported from the cells to the liver by hdl can then be used to synthesize bile.
a. True
b. False
______________ are liquids or gels that help lower the number of pathogens on skin
Antibacterial substances or surfactants like soaps, gels, and certain detergents help lower the number of pathogens on skin. They work by reducing surface tension of water and disrupting cell membranes. However, completely eradicating all bacteria from the skin is not advisable as some nonpathogenic bacteria help control the growth of pathogenic ones.
Explanation:The substances that are liquids or gels that help lower the number of pathogens on skin are commonly referred to as antibacterial substances or surfactants. These include soaps, alcohol-based gels, and certain detergents. They operate by lowering the surface tension of water, enabling the mechanical washing away of microbes, and disrupting cell membranes. Every day examples include hand washing with soap and water or using an alcohol-based hand gel.
Aside from surfactants, the body has its own physical and chemical barriers that work against pathogens. The skin, for example, serves as a continuous barrier against potential infections. Further, some of the lipids and fatty acids in sebum (an oily secretion on the skin) can inhibit microbial growth.
It's important to note, however, that completely ridding our skin of bacteria would be harmful. We need nonpathogenic bacteria on our skin to keep pathogenic ones from thriving. So while antibacterial products are useful, they don't and shouldn't eradicate all bacteria.
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