As the volume of a cell increases, so does its need for nutrients. This is because larger cells require more energy, as well as more materials, to sustain their increased size. In order to keep up with the increased demand for energy, larger cells must absorb more nutrients, including proteins, carbohydrates, lipids, and other essential molecules.
The two primary methods by which cells acquire nutrients are diffusion and active transport. Diffusion is a passive process that occurs when molecules move from an area of higher concentration to an area of lower concentration. This process occurs in cells and can provide the necessary nutrients for growth and maintenance. However, diffusion becomes increasingly inefficient as the cell size increases due to the increased distance the molecules must travel.
Active transport, on the other hand, is an energy-driven process in which molecules are actively transported into the cell from an area of lower concentration to an area of higher concentration. This process allows for the rapid transport of larger molecules and the more efficient uptake of nutrients. As the volume of the cell increases, more active transport is needed to provide the necessary nutrients. This can be seen in the process of endocytosis, where the cell engulfs nutrients from the environment and transports them into the cell.
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There is growing evidence that mitochondrial Complexes I, II, III, and IV are part of a larger supercomplex. What might be the advantage of having all four complexes within a supercomplex
A supercomplex containing all four complexes may provide several advantages, such as increased efficiency in the electron transport chain.
By having all four complexes within the supercomplex, electrons can be transferred more quickly and efficiently throughout the chain. In addition, the supercomplex may help protect the proteins of the individual complexes against damage and denaturation.
The supercomplex may also allow the complexes to interact more cooperatively, allowing them to better coordinate the transfer of electrons throughout the chain.
Furthermore, having the complexes in a supercomplex allows them to be closer together and more accessible, which may help increase the rate of ATP production. Ultimately, having the four complexes in a supercomplex may result in greater efficiency of the electron transport chain, increased ATP production, and better protection of the proteins.
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QUICK!!!! HELP!!!!
Why do we think that the Appalachian Mountains were taller than the Himalaya mountains are today? Make a Claim and use evidence and reasoning from the text to support your response.
Answer:
Millions of years ago, the Appalachians were taller than the Himalayas! Millions of years of erosion, however, have taken their toll. ... The crust that is now the Appalachians began folding over 300 million years ago, when the North American and African continental plates collided.
1. A fossil is the remains or traces of organisms that have lived in the past. Which statement is true
about fossils?
A. A fossil never includes a complete organism.
B. A fossil shows the evolution of an entire species.
C. Much of the evidence for evolution comes from fossils.
D. Fossils have provided a complete history of Earth's life forms.
2. In 1859, Charles Darwin proposed his theory of evolution based on natural selection. What
observation about the natural world does this theory explain?
A. how the fossil record was formed
B. how species change over time
C. how a species always retains its characteristics
D. how catastrophic events lead to extinctions
3. Extinction is the dying out of a species. What can lead to the extinction of a species if the
environment changes?
A .having traits that enable the species to adapt to the changed environment
B. an increase in the reproductive rate within the species
C. a lack of adaptations in the species that help individuals survive and reproduce in the changed
environment
D. the presence of genetic variations among the individuals of the species
What two body systems interact to help you process these types of sensory input?
The human body's organ systems must work together to keep the body alive and functioning normally, which requires communication among systems. This communication is controlled by the autonomic nervous system and endocrine system.
i hate when people do the links
According to the last resort requirement, weshould try "everything" short of war first.
True False
The statement that “we should try everything short of war first” according to the last resort requirement is true. This means that before resorting to war, all possible measures should be taken to find a peaceful solution to a problem.
The concept of the last resort requirement is rooted in the idea that war should be avoided at all costs. War is costly in terms of human life, economic resources, and social well-being. Therefore, it should only be used as a last resort when all other options have been exhausted. In other words, war should only be used as a last resort when a situation has become so dire that it is the only remaining option.
It is important to note that the last resort requirement does not mean that war should never be used. It simply means that all other options should be tried first before resorting to war. This can include diplomatic solutions, economic sanctions, and other forms of non-violent intervention. These measures should be used to try and resolve the conflict peacefully before resorting to war.
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What 2 types of point mutations will cause a frameshift mutation?
Answer:
Insertion and deletion
Explanation:
A frameshift mutation is when the entire reading frame of DNA is shifted, and incorrect.
Frameshift mutations can either be caused by insertion or deletion.
When insertion or deletion occur, a nonsense protein will be made.
So, the correct answer is insertion and deletion.
Why do great white sharks travel over long distances?
Answer: they travel far cus they have to eat new food to eat when the water temperature gotta be cool
Explanation:
A student placed a rock in a graduated cylinder containing water causing the water level in the cylinder to increase by 20 mL. This increase represents the rocks
This growth corresponds to the volume of the rocks. According to the displacement caused by the boulder, the water in the grade cylinder rises.
What features does water have?Water molecules have a twisted, polar shape with partial p-sides on the hydrogen atoms and partial electrostatic force on the oxygen atoms. This is due to oxygen's greater electronegative nature, which draws electrons more potently than hydrogen does. Water is a fantastic solvent.
Why are the water so important?A water molecule is consisting of two hydrogen bonds bound to a carbon atom and has a bend overall structure. This is due to the fact that in addition to bonding with both hydrogen bond, the oxygen molecule also carries 2 sets of lone electrons. maintain the same temperature.
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Does losing weight help cardiovascular disease?
Yes, losing weight help with cardiovascular disease.
Even a modest amount of weight loss can have a significant positive effect on cardiovascular health, including enhancement of heart function, reduction in blood pressure, and acceleration of metabolic rate. The Washington University School of Medicine has a research program that is dedicated to understanding the complex relationship between weight and heart health.
The program's work demonstrates that the benefits of weight loss can persist even if some of the weight is regained and that the effort can not only prevent but also reverse significant health problems.
Even after an individual had stopped losing weight and gained a few pounds back, the benefits continued to accrue over the course of many months.
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What is water used for in space?
Which of the following functions is controlled by the cell membrane?
a. excreting waste
b. producing energy
c. replicating DNA
d. assembling proteins
Compared to the internal salinity of a fish in the ocean, the surrounding seawater would be considered:
The internal salinity of a fish in the ocean is much lower than that of the surrounding seawater. Generally, the internal salinity of a fish's body is about half to two-thirds of the surrounding seawater.
This is because a fish needs to maintain a balance between the salt and water concentrations inside their body in order to survive. The internal salinity of a fish must remain lower than the surrounding seawater in order for it to remain hydrated. This is done through a process called osmoregulation, whereby a fish is able to take in water while expelling salt.
The salinity of the surrounding seawater is determined by many factors, including the amount of dissolved salts, the temperature, and the amount of rainfall in the area. The salinity of the seawater can also be affected by ocean currents and the proximity to land masses.
Generally, the salinity of the ocean varies depending on the location and is typically between 3.5 and 4.5 parts per thousand. Therefore, when compared to the internal salinity of a fish in the ocean, the surrounding seawater would be considered much higher.
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a cross between ss and Ss will generate _____ % normal hemoglobin, _____% sickle cell trait, and _____% sickle cell anemia.
A cross between ss and Ss will generate 0 % normal hemoglobin, 50 % sickle cell trait, and 50 % sickle cell anemia.
People with sickle cell trait deliver handiest one replica of the altered hemoglobin gene and seldom have any medical signs and symptoms associated with the sickness. In contrast, humans with sickle cell sickness deliver copies of the altered hemoglobin gene. Hemoglobin S trait, additionally cell as sickle cell trait, approach that your infant has inherited one gene for the same old hemoglobin (A) from one discern and one gene for hemoglobin S from the alternative discern. motive any fitness problems. Your infant will now no longer want any remedy or remedy for S trait.
A cross between ss and Ss will generate 0 % normal hemoglobin, 50 % sickle cell trait, and 50 % sickle cell anemia.
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Color blindness is a recessive X-linked trait in humans. In a family where the mother is color-blind and the father is normal, the probability of their having a color-blind son is
If the mother is color blind and the father is normal, the chance that their son will be color blind is ¼ or 25%.
The color-blind mother's genotype is XXc and the normal father's genotype is XY, so the offspring are:
Parents: XXc >< XY
Gametes: X , Xc >< X , Y
Generation:
XX (normal female)
XY (normal male)
XXc (carrier female)
XcY (color-blind male)
The phenotypic ratio is:
¼ (normal female)
¼ (normal male)
¼ (carrier female)
¼ (color-blind males)
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Which genetically modified organism will best prevent farmers from losing their crops during transport to grocery stores?
oranges that have a prolonged shelf life
corn with a high yield
butter squash that have high nutritional value
fruit with a vaccine
(ANSWER IS A, I saw nobody with the question and i got the answer correct)
EDGE 2021
Answer:
a
Explanation:
Answer:
A
Explanation:
Which beaker will have a net movement of water from the cell to the surrounding solution
Osmosis is the process by which water molecules pass across a cell's partly permeable membrane from a solution with a high concentration of water molecules to one with a lower concentration.
There will be a net transfer of water from the cell to the surrounding solution in a beaker with a hypertonic solution in respect to the cell (also known as osmosis). This is the case because water will flow from a region of lower solute concentration to an area of greater solute concentration in order to balance the solution concentration since osmosis the concentration of solutes in the cell is higher than that in the surrounding solution.
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Help plzz^^^
1. predatory advantage
2. camouflage advantage
3. competitive advantage
4. reproductive advantage
no links
How do sexually reproducing organisms inherit their DNA?*
Half comes from one parent and half comes from the other parent
All of it comes from one parent
None of it comes from either parent
O About 75 percent comes from one parent, and about 25 percent from the other parent
Answer: Half comes from one parent and half comes from the other parent.
Explanation: You have 46 chromosomes and you get 23 from each parent.
In tomatoes, tall vine (T) is dominant to dwarf vine (t), and red fruit (R) is dominant to yellow fruit (r).
A gardener crosses a dihybrid tall tomato plant bearing red fruit with a true-breeding dwarf tomato plant with yellow fruit.
1. Describe the possible phenotypes and genotypes of the plants. Responses should include expected phenotype ratios. Explain your reasoning as needed.
2. If 100 of these tomato plant offspring were planted, how many plants would you predict you would find of each phenotype.
Please help
Answer:
Possible genotypes: TtRr, Ttrr, ttRr, ttrr
Possible phenotypes: Tall with red fruit, tall with yellow fruit, dwarf with red fruit, darf with yellow fruit
Number of plants with the phenotype:
Tall with red fruit - 25 plants
Tall with yellow fruit - 25 plants
Dwarf with red fruit - 25 plants
Darf with yellow fruit - 25 plants
Explanation:
To find the genotypes create a punnett square like the one in the image
To find the phenotypes examine the genotypes and detemine if they carry a dominant allele for the trait, if they have at least one dominant allele then the dominant trait that will be expressed, if they have two recessive alleles then the recessive trait will be expressed
To find how many plants that will have a phenotype if 100 plants were planted divide the number squares that have a particular phenotype from the punnett squares and divide that number by the number of total squares. Then multiply by 100
4÷16×100 = 25
An organism has the genotype AaBbCc. What is the probability of producing a gamete that only has dominant alleles for these three genes
A plant having the genotype AABbCC will produce solely ABC and AbC gametes. The 2n formula is used to compute the phenotypes in the cross, whereas the 3n formula is used to calculate the genotypes in the cross.
A cross between the AABBCC and the aabbcc genotypes results in an F1 hybrid with the AaBbCc genotype. An organism produces 2n kinds of gametes,
where n is the number of heterozygous genes present. Because the hybrid AaBbCc is heterozygous for three genes, its total number of potential gametes is 23=8.
The F1 generation plants have the genotype AABbCC. 2n where n= 1 may be used to calculate the number of gametes involved in a specific cross ( n is the number of heterozygotes). As a result, there will be two gametes, ABC and AbC. The phenotype of the F2 generation after selfing these plants will be 3:1, as depicted in the Punnett square.
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Data was collected concerning Galapagos bird beak size over time. There are several species finches, and they are also known as
Darwin's Finches. These finches share the same habits and characteristics except for one; they all have different shaped and sized
beaks. The differences in their beaks might be the most important aspect of their survival. Around 1977, there was a huge drop in
finches with small beaks while there was a great increase in large-beaked birds. How can you explain this?
A)
The small-beaked finches were prey for larger animals.
B)
The large-beaked birds preyed on the small-beaked birds.
Available food changed and the small beaked birds could not readily adapt.
D)
Competition for food favored large beaks; the small beaked birds died off.
The struggle among Darwin's Finches, which is especially fierce during dry spells due to food scarcity, benefits those who are most adapted to their environment, according to the best conclusion.
Different finches species have nutritional specializations that are characterized by variations in their beaks due to diverse ecological settings on the same island.
Additionally, it has been demonstrated that finches that live in highly planted zones have a distinct call than those that reside in less vegetated areas, expanding their spectrum of mating calls.
A couple that belongs to the same milieu (environment) is more likely to be discovered as a result of this event, and it is from that point that the stabilization of genetic traits unique to the ecological environment occurs.
With this information, we can conclude that competition, which is particularly severe in periods of drought due to food shortages, favors the individuals most adapted to their environment. Because they have a greater chance of survival and, therefore, of reproduction, their particular genetic characteristics tend to be passed on to subsequent generations.
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Please help!!!! Use what you have learned to match the parts of sentences
The part of the earth with respect to its structure and functions are matched below:
The part that includes land and water ---- is called the crust. The crust ---- is the outermost layer. The mantle ---- is under the crust. The core ---- is both solid and molten. What is Earth?Earth may be defined as a planet where life is known to exist with proper conditions and requirements. It is a huge area of land where diverse organisms live.
Therefore, the matching is well mentioned above.
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Answer:
look at the image below
Explanation:
What are the two factors responsible for genetic variation in animals?
Multiple factors can cause genetic variation within a species. Genetic diversity can come from various sources, one of which being mutations, or alterations in the DNA's gene sequences.
Gene flow, or the transfer of genes between several groups of organisms, is another source.
Genetic variation refers to the alteration in gene and gene frequencies. The causes of genetic variation in populations are as follows. Gene mutations, also known as point mutations, are modifications to a gene's chemical structure.
Genetic variety is the term used to describe variations in a population's genetic make-up. 2 Genetic diversity is required for natural selection to occur. 3 Mutations, gene flow, and sexual reproduction are three main sources of variety. 4 Genetic variety originates from DNA mutations that change which modifies the genes of people within a group.
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What weather phenomena are you likely to see in California during El Niño. These phenomena result from changes in temperature and humidity values under the influence of El Niño. CHOOSE 3
DROUGHT RAIN
FLOODS T ORNADO
FOG HURRICANE
El Niño is a meteorological event that affects clime at a global level, altering natural regimens. In California, El Niño can cause RAIN, FLOODS and HURRICANE.
What is El Niño?The El Nino Southern Oscillation -ENSO- is a weather phenomenon produced due to a complex system of climatic oscillations between the ocean and the atmosphere.
ENSO phenomenon is dominant in the global climate system. In the Nothern Hemisphere, ENSO provokes changes in general extratropical circulation, contributing to some different situations in weather during winter, including severe precipitations and cooler temperatures in the southeast USA, north of Mexico, Gulf of Mexico, Strait of Florida, and western Cuba.
In California, El Niño can cause RAIN, FLOODS and HURRICANE.
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PLEASE IM GONNA FAIL WILL GIVE BRAINLESS IM SO TIRED
The average rate of primary production in the open ocean is 125 gC/m2/yr. In the most productive ecosystems such as algal beds and coral reefs, the average production is 2000 gC/m2/yr. How many years would it take to accumulate 2000 gC/m2 on the deep-sea floor in the open ocean
Higher chlorophyll fixations and overall higher efficiency are seen on the equator, along the coasts (particularly eastern edges), and in the high-scope sea.
Makers. Essential makers — including microscopic organisms, phytoplankton, and green growth — structure the most minimal trophic level, the foundation of the amphibian food web.
In spite of the fact that they possess under two percent of the seas, the beachfront upwelling regions in the eastern pieces of the Pacific and Atlantic Seas are among the organically most useful marine regions around the world.
The highest zone, from the ocean surface to a profundity of 200 m (656 ft), is known as the epipelagic or photic zone. A lot of accessible daylight makes this the most useful zone of the sea.
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What is the same and what is different about the transcription of a prokaryote vs. a eukaryotic gene
Due to the lack of a distinct nucleus, prokaryotic gene expression (both transcription and translation) occurs inside the cytoplasm of a cell; hence, the DNA is freely positioned within the cytoplasm.
Gene expression in Eukaryotes happens in both the nucleus (transcription) and the cytoplasm (translation).
Eukaryotic transcription occurs within the nucleus, whereas Prokaryotic transcription occurs in the cytoplasm. Transcriptional factors are proteins that are required in Eukaryotic Transcription but not in Prokaryotic Transcription.
Prokaryotic and Eukaryotic Transcription Have Similarities. The RNA serves as a template for synthesis in both types of transcriptions. In both transcriptions, one strand of DNA duplex serves as the template. Prokaryotic and Eukaryotic transcriptions both generate RNA molecules.
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Photosynthesis and cellular respiration are both complementary and relatively balanced, but early history of life on Earth showed increasing oxygen concentrations. This indicates that Group of answer choices both photosynthesis and respiration were occurring at approximately the same levels. neither photosynthesis nor respiration were occurring. the amount of cellular respiration occurring exceeded the amount of photosynthesis. the amount of photosynthesis occurring exceeded the amount of cellular respiration.
Answers:
This indicates that Group of answer choices both photosynthesis and respiration were occurring at approximately the same levels
Explanation:
This is because for oxygen to be abundance more carbondioxide I'd released and photosynthesis take place more.
In, photosynthesis carbondioxide is used with water in the presence of light energy and chlorophyll to produce glucose and oxygen. Oxygen us produced and this oxygen is used in cellular respiration to give out carbondioxide as by product.
As Virginia becomes more more populated construction of new homes has destroyed much of a force this has cause rivers and streams near construction sites to be filled with silt and sediment what kind of water pollution is this
Answer:
The correct answer is - water pollution.
Explanation:
In the US, water pollution is one of the most serious ecological problems, and sedimentation by filled with dirt, slit caused by development sites or construction sites. It is caused in the name of developing cities and states for new homes and other construction that is nothing but careless development that is causing water pollution in these areas including the Virginia.
The excessive silt has covered the spawning beds of fish causes spawning of the habitat. The dirt and slit and sediments cause inhibiting light to aquatic plants that result in less oxygen and food for aqautic life.
Suppose there are two homologous chromosomes. Each chromosome contains a single mutant allele in different parts of the chromosome. How can crossovers be beneficial in this situation
Answer:
Crossovers can be used in this situation to take the two mutated alleles and combined them which would create a normal allele.