Prokaryotic cells have inner folds of the cell membrane that are responsible for specific functions such as respiration. These creases increase the surface area.
As the cell radius increases, the surface area increases as the radius squared, but the volume increases as the radius cubed (much faster).
As the cell advance, its internal volume increases and the cell membrane expands. Unfortunately, volume increases faster than surface area, so the relative amount of surface area available to direct material to a unit volume of cells steadily decreases. The important point is that the surface area-to-volume ratio decreases as the cells get larger.
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(il) Name the process that causes the change in the level of the water and the level of the
sucrose solution.
Answer: Osmosis
Explanation:
Answer: OSMOSIS
osmosis is the movement of water molecules from a solution with a high concentration of water molecules to a solution with a lower concentration of water molecules, through a cell's partially permeable membrane.
.
What adaptations allow the same bacteria that live on Earth to live on the International Space Station (ISS)
In order to survive on the ISS, bacteria must be able to withstand the immense gravitational forces, exposure to radiation, lack of oxygen, and other environmental factors that are not present on Earth.
Fortunately, bacteria have evolved a variety of adaptations that allow them to survive and thrive in space.One of the most important adaptations for bacteria living on the ISS is the ability to survive in low-oxygen environments. The ISS has very low levels of oxygen, which are not conducive to most life forms. However, many bacteria have adapted to survive and reproduce in these conditions.
Bacteria have developed specialized metabolic pathways that enable them to use different sources of energy, such as carbon dioxide, sulphur, and nitrogen compounds, that are more abundant in the environment of the ISS than oxygen. This allows them to survive and reproduce in the low-oxygen environment of the ISS.
Bacteria have also developed the ability to tolerate the intense radiation exposure that is present on the ISS. Radiation can cause DNA damage and mutations, which can be fatal for bacteria. However, some bacteria have developed mechanisms to repair radiation-induced DNA damage, allowing them to survive and reproduce in the extreme environment of the ISS.
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HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
Answer:
B preciptation occurs
Explanation:
Natural selection produces change by allowing beneficial genes to recombine in
A. an individual organism.
B. all organisms within a population
C. only the first generation of offspring
D successive generations of offspring
According to the passage, a water treatment plant
I. cleans water before it goes to your house
II. cleans the dirty water that leaves your house
III. fills up the reservoir when it does not rain enough
Answer:
cleans the dirty water that leaves your house
Explanation:
i looked it up
If you don't have access to clean bottled water, you can make your water safe to drink by boiling it. Boiling them is the most effective approach to get rid of harmful bacteria, viruses, and parasites. Add a dash of salt to each quart or liter of boiled water. Thus, option B is correct.
What water treatment plant cleans the dirty water?Any dirt, sand, dust, and other particles that fit inside the micron capacity of sediment filters are removed, along with any particulate matter that is visible. Also removed by sediment filters is turbidity in the water.
One of the most effective ways to cleanse water is with a RO Purifier. Reverse osmosis eliminates impurities by forcing water across a semipermeable membrane.
Therefore, cleans the dirty water that leaves your house.
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Coral reefs cover less than ___ of the ocean floor.
A)1%
B)2%
C)4%
D)3%
Answer:
c
Explanation:
What type of reaction is seen when hydrogen peroxide is added to a microbial colony of catalase-producing bacteria
What type of reaction is seen when hydrogen peroxide is added to a microbial colony of catalase-producing bacteria is the rapid formation of gas bubbles.
Catalase is an enzyme that catalyzes the reaction in which hydrogen peroxide is broken down into water and oxygen This enzyme is able to oxidize 1 molecule of hydrogen peroxide to oxygen. Then simultaneously it can also reduce the second hydrogen peroxide molecule to water
Hydrogen peroxide is one of the breakdown products of every cell that uses oxygen as an energy source in metabolic processes. When hydrogen peroxide is added to microbial colonies it inhibits the growth of one bacterial species by another. Because this compound is added to catalase-producing bacteria, the catalase enzyme neutralizes the bactericidal effect by breaking the compound into water and oxygen or gas bubbles.
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An example of an infectious disease is:
1-sickle cell anemia
2-small pox
3-Down syndrome
4-diabetes
Aaron has a spider plant that produces several plantlets. Aaron puts each plantlet in its own pot and gives the plantlets to several friends. 1. Identify what would cause some of the plantlets to grow better than others, 2. including examples of possible causes. 3. Explain how you know what the cause of variation must be. SOMEONE HELP ITS DUE IN LIKE 10 MIN
ok so, lighting, amount of water, type of soil, fertilizer, bugs, pesticides, water contamination, other chemicals. even pets, cats- lol hope that helped!
PLS ANSWER THIS QUESTION ASAP! WORTH 40 POINTS!!
Answer:
This is all I've done because I'm not 100% sure about the other part
What is the genotypic ratio of a heterozygous dihybrid cross?
The genotypic ratio is therefore = 1: 2: 1. As the name implies, a dihybrid cross involves mating two hybrid creatures with genes for two distinct features.
A dihybrid cross is a union of two organisms with heterozygosity for two different traits.
Male and female pea plants that are both heterozygously dominant for purple were crossed in a Punnett square. This cross's genotypic ratio is represented as 1:2:1. Each gene in both plants and animals carries two alleles, or variations, one from each parent.
Comparison of the two hybrid cross types. The homozygous recessive parent outnumbers the homozygous dominant parent. Similar to a dihybrid cross, a monohybrid cross results in an F1 generation that is entirely heterozygous and solely exhibits the dominant phenotype. However, The F2 generation's phenotypic ratio was found to be 3:1.
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HRLP I ONLY HAVE 2 MINUTES JUST PLEASE GIVE A SIMPLE ANSWER
Answer:
i also think fault lines hope it's helps you
What is meant by monohybrid cross?
A specific form of a cross between two species known as a monohybrid cross only combines one trait at a time. For example, a pea plant hybrid between a tall and a short pea plant. the monohybrid cross-tat The genotype ratio under Mendelian inheritance is 1:2:1.
Two homozygous individuals with the opposing phenotype for a certain genetic trait make up a monohybrid cross.
A cross between two monohybrid features (TT and tt) is referred to as a monohybrid cross. One gene is passed on by the monohybrid cross. Using Punnett Square makes it straightforward to show. To examine the expression of heterozygous genes transferred from parents to homozygous offspring, geneticists use monohybrid crosses. For the monohybrid cross, Mendel first used a pair of pea plants with two unique traits: one tall and the other dwarf. Through the cross-pollination of tall and dwarf plants, tall plants were created. Each hybrid plant was quite tall. He referred to this generation as the first hybrid generation, and his offspring were designated as Filial1 or F1 progeny (F1). He conducted an experiment with each of the seven dissimilar pairs and discovered that all of the F1 offspring had the same pattern of behavior, acting just like one of the parents. There was not even one other parent character.
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How do organs work together in the nervous system to allow a fish to react to stimuli in its environment?
A. External stimuli trigger signals that move through the gills to the gill filaments, which send signals to the brain.
B. The brain sends signals through the lymph nodes to the skin, where the muscles decide how to react.
C. The brain sends signals through the spinal cord, which sends signals to nerves in the central nervous system.
D. External stimuli trigger signals that move through the nerves to the brain, which processes the information.
Answer:
D. External stimuli trigger signals that move through the nerves to the brain, which processes the information.
Explanation:
The brain then sends signals through the spinal cord, which sends signals to nerves in the central nervous system. The muscles then decide how to react based on the signals from the central nervous system.
Explanation:
How do organs work together in the nervous system to allow a fish to react to stimuli in its environment?
A. External stimuli trigger signals that move through the gills to the gill filaments, which send signals to the brain.
B. The brain sends signals through the lymph nodes to the skin, where the muscles decide how to react.
C. The brain sends signals through the spinal cord, which sends signals to nerves in the central nervous system.
D. External stimuli trigger signals that move through the nerves to the brain, which processes the information.
Design of Solution: Describe steps you could take to devlelop an eddective method for copying San Francisco sourdough bread. Assume that you have access to soudough starter and all the ingredients and equipment you need.
The Design of Solution that Describe steps you could take to develop an deductive method for copying San Francisco sourdough bread is given below:
ResearchExperiment with Sourdough StarterExperiment with Flour and HydrationMixing and FermentingShaping and BakingEvaluate and AdjustRepeat and refineWhat are the steps about?In Research: The first step in developing an effective method for copying San Francisco sourdough bread is to research the traditional methods and techniques used to make this type of bread.
Experiment with Sourdough Starter: Next, you will need to experiment with different types of sourdough starter to find one that is similar to the starter used in San Francisco sourdough bread.
Experiment with Flour and Hydration: Once you have a starter that you are happy with, you will need to experiment with different types of flour and different hydration levels to find the right combination for your bread.
Mixing and Fermenting: Once you have your flour and hydration levels sorted, you will need to start mixing and fermenting your dough.
Shaping and Baking: Once your dough is fermented, you will need to shape it and prepare it for baking.
Evaluate and Adjust: Once your bread is baked, you will need to evaluate it and make any necessary adjustments.
Lastly, Repeat and refine: Repeat the process of making the bread and take note of the variations and results each time. Refine the process by making adjustments and tweaking the steps until you are satisfied with the end product.
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Elena paints the back of the second aquarium it has a height of 1 3/4 feet the painted area is 5 5/6 square feet what is its length
Answer:
3 1/3 ft
Explanation:
You want to know the length of an area that totals 5 5/6 square feet and is 1 3/4 feet high.
AreaThe formula for the area of a rectangle is ...
A = LW
Filling in the given values, we have ...
5 5/6 = L·(1 3/4)
Solving for L gives ...
L = (35/6)/(7/4) = (35/6)(4/7) = 140/42 = 10/3 = 3 1/3
The length of the painted area is 3 1/3 feet.
__
Additional comment
You might be asked to write the answer as a fraction: 10/3, or as a decimal: 3.33. In the latter case, you may need to round to tenths: 3.3.
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How do relationships among organisms help ecosystems thrive? Provide at least 6 sentences.
Relationships among organisms play a vital role in maintaining the balance and stability of ecosystems. These relationships can be categorized into three main types: mutualism, commensalism, and competition.
In mutualism, both species involved in the relationship benefit. For example, many plants have mutualistic relationships with pollinators, such as bees. The plants provide nectar as a food source for the bees, while the bees help to pollinate the plants, allowing them to reproduce.
In commensalism, one species benefits from the relationship while the other is neither helped nor harmed. The relationship between cattle and cattle egrets is an example of commensalism. The egrets feed on insects stirred up by the cattle as they graze, while the cattle are not affected by the presence of the egrets.
In competition, two or more species compete for the same limited resource. This can lead to the evolution of unique adaptations that allow a species to better exploit a particular resource, which in turn can lead to greater biodiversity in an ecosystem.
Predator-prey relationships also play an important role in ecosystems by controlling population sizes and helping to maintain balance within the ecosystem. In addition, decomposers break down dead organic matter and recycle nutrients, making them available for other organisms to use.
In summary, relationships among organisms in an ecosystem are vital for maintaining balance and stability, and ultimately ensuring the survival of the ecosystem.
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Which property of water makes it helpful to use in car radiators?
Answer:
Specific heat capacity is the property of water that makes it useful in car radiators.
Explanation:
Water has a high specific heat capacity. So it is used as a coolant in car radiators and helps maintain temperature of car engines.
Could a man with Type O be the father of a Type AB child? Explain.
Answer:
No, because someone with blood type O has the genotype OO because O is recessive. One parents would need one allele to be A and the other parent would need one allele to be B for the child to be AB. But the man does not have an A or B allele, so it is not possible for him to be the father of a child with blood type AB.
Cobalamin, more commonly called vitamin B12, ______________________________. Question 50 options: is found abundantly in plant foods. when taken as a supplement, will increase metabolic functions, such as endurance performance. was one of the first parts of the B complex group to be discovered. is essential int he synthesis of DNA and in the development of red blood cells.
Cobalamin, or vitamin B12, is a water-soluble vitamin that is essential for human health. It is found abundantly in animal-derived foods, such as fish, meat, poultry, eggs, and dairy products, but it is not found in plant-based foods.
It is one of the first vitamins to be discovered and is part of the B-complex group of vitamins. Vitamin B12 plays a vital role in the synthesis of DNA, red blood cell development, and metabolic functions, such as endurance performance. When taken as a supplement, it can help to increase metabolic functions, such as endurance performance. It is also important for maintaining healthy nerve cells, as well as a healthy immune system.
Vitamin B12 deficiency can lead to anemia, fatigue, and cognitive decline. Therefore, it is important to ensure adequate intake of this essential vitamin, either through dietary sources or supplements. It is important to note that vitamin B12 is only found in animal-derived foods, so vegans and vegetarians should consider taking a vitamin B12 supplement to avoid deficiency.
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Wolves are predators for hares. The wolf population increases. What happens next? O A. The birthrate of wolves decreases. B. The death rate of hares increases. O C. The hare population increases. O D. The birthrate of hares increases.
Answer:
B. the death rates of hares increases
Explanation:
when the predator population increases, the death rate of the prey population also increases
Which force is a contact force?
Answer:
B)A magnet pulling
hope it helps.
It began much more simply, with the synchronization of bodies: running when others run, laughing when others laugh, crying when others cry, or yawning when others yawn.
This section discusses a phenomenon called social synchronization, which is the propensity for people to mimic the actions and bodily reactions of those in their social group.
Running, laughing, sobbing, and yawning is only a few of the activities stated in the chapter that displays social synchrony.
According to research, social synchronization may take place in a wide range of contexts, such as sports teams, schools, and even online communities. It can also have a number of advantages, including enhancing group cohesion, lowering stress levels, and fostering happy feelings.
Social synchronization can be explained by the concept of social contagion, which is the spread of emotions and behaviors through a group, and the idea of mirror neurons, which are brain cells that respond to observed actions as if they were performed by the observer.
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Need help on this and happy Mother’s Day spread some love to your mom
Answer:
I don't remember the answer for the first one but for the others
2nd question : homogenous and Dominate
3rd question: heterozygous
4th question : homogenous and Recessive
Explanation:
Which force acts between any two objects that have mass?
O A. Air resistance
O B. Gravity
O C. Friction
O D. Magnetic force
Answer:
magnetic force because it uses force and force has mass
Based on current evidence, which of the following statements about gamma ray bursts is true? A. All those that we have detected occurred in distant galaxies.
B. They come primarily from the Milky Way's central black hole.
C. All gamma ray bursts are produced by supernovae.
D. They occur in the same types of close binary systems that produce X-ray bursts.
Based on the most recent data, gamma ray bursts are real. All of them occurred in far-off galaxies that we have found. There doesn't appear to be any other illumination that we can expect to detect from the sources of gamma ray bursts; they solely appear to emit gamma rays.
What produces gamma ray bursts?Now, scientists are aware that "long bursts"—those lasting longer than two seconds—make up the great bulk of gamma-ray bursts. They are supposed to happen when a large star has run out of fuel. The star's core disintegrates into the a black hole when there is nothing to stop it from being crushed by its own gravity.
What takes place during a gamma-ray burst?Directly directed gamma-rays would cause the ozone layer and a sizeable section of Earth's atmosphere to be destroyed. Photochemical haze would result from the chemical reactions that the burst's photons would trigger. This would significantly reduce the amount of cosmic ray protection we have.
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Ideal conditions for potato juice and hydrogen peroxide( your thoughts?)
Answer:
Preferably a well ventilated area, or someplace cool.
Mutations can have_____
Explanation:
Mutation can result in many different types of change in sequences. Mutations in genes can have no effect, alter the product of a gene, or prevent the gene from functioning properly or completely. Mutations can also occur in nongenic regions.
What’s the answer to the question
Answer:
Homologous Structures
A clump of cells in someone's intestine is genetically different from cells elsewhere in his body. These intestine cells have a _______ mutation
A clump of cells in someone's intestine is genetically different from cells elsewhere in his body. These intestine cells have a somatic mutation.
Any mutation that occurs in a cell other than a gamete, germ cell, or gametocyte is called a somatic mutation. This includes any change in the DNA sequence of a somatic cell of a multicellular organism with dedicated reproductive cells.
Somatic mutations are not typically passed on to offspring in the same way that germline mutations can. Plants, which don't have a distinct germline, and animals that can reproduce asexually via mechanisms like budding, like the cnidarians of the genus Hydra, blur this distinction.
Even though somatic mutations are not passed on to the next generation, they can be found in any cell that divides from the original somatic cell. Accumulated somatic mutations are the root cause of many forms of cancer.
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