What is one way that the dialysis membrane is functionally different than a plasma membrane?
Answers
One way that the dialysis membrane is functionally different than a plasma membrane is that it has a larger pore size.
Dialysis membranes are designed to selectively allow the passage of small molecules such as ions, small organic molecules, and water, while retaining larger molecules such as proteins and cells. In contrast, the plasma membrane of a cell is composed of a lipid bilayer that selectively regulates the passage of molecules into and out of the cell through a variety of mechanisms, including protein channels and transporters, receptor-mediated endocytosis, and exocytosis.
The plasma membrane has a more complex and specific structure and function, allowing for the precise control of cell signaling, communication, and homeostasis.
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Related Questions
Which organisms have a cell wall in addition to their cell membrane (hint: everything except animals have cell walls
Answers
Answer:
Only plants, as well as some fungi, bacteria, and algae, have a cell wall. It exists outside the cell membrane and has a tough, flexible, and sometimes rigid texture!
a lion and a leopard have almost the same characteristics in terms of feeding habitat and behavior . explain why a leopard and cannot interbreed
Answers
A lion and a leopard have almost the same characteristics in terms of feeding habitat and behavior. because the lion rules the wild. The lion is the forest's king, and he is feared by every animal that lives there. Additionally, lions hunt other large or small animals in packs.
Leopards and lions differ significantly in terms of their physical characteristics, size, and socialization. The majority of lion species have manes, and they are exceptionally huge quadrupedal cats that live in groups called prides. Leopards lack manes, are more solitary than lions, have spotted fur, and are smaller than lions.
The hybrid offspring of a male leopard and a female lion is known as a leopon. The animal resembles lions in the head, whereas leopards are more likened to in the rest of the body. These hybrids are created in facilities; they are not expected to appear naturally. The Leopard's greatest foe is undoubtedly the Lion, with whom it will engage in a fight to the death. Leopards, especially the young cubs, have been known to be attacked and killed by baboons and hyenas.
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Describe two processes of weathering and two processes of erosion that are taking place in Sam's backyard.
es
Answers
Answer and Explanation:
When viewing the image of Sam's backyard, we can see the occurrence of chemical and physical weathering. Physical weathering is caused by the impact of water on rocks, which promotes the breakdown of rock particles. The chemical weathering is also caused by the water that I contact with the rock react with its elements causing chemical reactions that modify the rock.
Regarding erosion, we can consider the erosion by gravity that is common in mountainous regions, like the one shown in the photo. This type of erosion promotes the loss of mass of the rock due to the detachment and rolling of rock particles, due to gravity. We can also notice the rain erosion, created by the impact of water on the rock that detaches the fragments and transports them to other places.
calcitonin is the main regulator of blood calcium levels.
Answers
A hormone called calcitonin works to lower blood calcium levels, which helps to regulate the hormone's function.
Your thyroid gland's C-cells create the hormone calcitonin. There don't seem to be any immediate detrimental side effects from having abnormally high levels of calcitonin in your body.
Because scientists and medical professionals are still learning about the role of calcitonin, which is a special hormone. They are aware of what it does, but they are baffled as to why we have it as abnormal calcitonin levels don't usually result in any symptoms.
The treatment of Paget's disease of the bone, hypercalcemia, and osteoporosis in the past has involved the use of synthetic (made) versions of calcitonin.
Providers now hardly ever utilize this kind of calcitonin for treatment due to the development of more modern medications like bisphosphonates.
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locate the bifurcation values for the one-parameter family and draw the phase lines for values of the parameter slightly smaller than, slightly larger than, and at the bifurcation values. 1. dy/dt=y^2 +a
Answers
The given differential equation is:dy/dt = y² + The bifurcation value is the value of a for which the number and stability of equilibrium solutions change.
The equilibrium solution is given by the equation:dy/dt = 0⇒ y² + a = 0⇒ y = ± √(- a)
So, the equilibrium solutions are y = + √(- a) and y = - √(- a).
The sign of the root is determined by the initial conditions and the direction of the phase line.
The bifurcation occurs when a = 0. When a < 0, there are two real equilibrium points.
When a > 0, there are no real equilibrium points, but the phase line has two directions of arrows going toward infinity.
When a = 0, there is only one equilibrium point at y = 0. At this point, the direction of arrows on both sides of the equilibrium is towards the equilibrium.
Thus, the bifurcation values for the one-parameter family are a = 0.
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how can an organism use an
adaptation in order to increase its ability to survive in its environment.
Answers
why do cell biologists study yeast?
Answers
Biologists study cells due to the cell relation to that of animal cell
What are yeasts?Yeast are eukaryotic organisms which are part of the fungus kingdom.
They are important to biologist because they tend too carry out all the functions of the eukaryotic cells and they are known to be closely related to animals
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Which of the following doesn't consist of cells?
1 prions
2 bacteria
3 yeast
4 algae
Answers
Answer:
prions doesn't consist of cells.
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. given what you know about the initiation of translation, which of the 3 possible reading frames is used for both the tra-ra and tra-rb products? (exon 1)
Answers
In initiation of translation, the ribosome scans the mRNA molecule to find the start codon (usually AUG) and begins translation at that point. The ribosome reads the codons in groups of three, starting from the start codon, and continues to translate the mRNA until it reaches a stop codon.
This results in the production of a polypeptide chain, which will eventually fold into a functional protein.
In eukaryotic genes, exons are often separated by introns. Exons contain the codons that will be translated into the protein, while introns do not. When the mRNA is transcribed from the DNA, the introns are spliced out and the exons are spliced together to form the final mRNA molecule.
In the case of exon 1, there are three possible reading frames that the ribosome could use to translate the mRNA. These reading frames are defined by the starting point of the codons, which could be the first, second, or third nucleotide of exon 1.
Depending on the starting point of the codons, the ribosome will read the codons in a different frame and produce a different polypeptide chain.
In the case of the tra-ra and tra-rb products, it is not specified which of the three possible reading frames is used. Therefore, the information is not sufficient to determine which reading frame is used for both products.
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What are cells products?
Answers
Answer:
everything that is produced by cells, everything composed of
Which would best be described as abiotic?
water in a stream
Ofish in a stream
O bacteria in the soil
roots in the soil
Answers
The cells in the diagram are drawn to a length of 100 mm in the student's textbook The actual length of the animal cell is 60 micrometers (µm). Calculate the magnification of the animal cell to 2 significant figures Show clearly how you work out your answer.
Answers
The magnification of the animal cell is 1667, rounded to 2 significant figures.
What is the magnification of the animal cell?To calculate the magnification of the animal cell, we can use the formula:
Magnification = Image size / Object size
The image size is given as 100 mm in the textbook, which we need to convert to micrometers (µm) by multiplying by 1000:
Image size = 100 mm x 1000
image siwze = 100000 µm
The object size is given as 60 µm.
Now we can plug in these values into the formula:
Magnification = Image size / Object size
Magnification = 100000 µm / 60 µm
Magnification = 1667
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i need help on my lab report fast please!! it’s about relative and absolute dating methods used to determine the age of rocks and fossils
Answers
A sample lab report is given below to show you how it's done.
The Lab ReportIntroduction: The purpose of this investigation was to determine the effects of temperature on the rate of photosynthesis in spinach leaves.
Observations: Three sets of spinach leaves were placed in water baths at temperatures of 5°C, 25°C, and 45°C, and exposed to light. After 10 minutes, the leaves in the 25°C water bath showed the highest rate of oxygen production, while the leaves in the 5°C water bath had the lowest rate.
Conclusion: The results indicate that temperature affects the rate of photosynthesis, with an optimum temperature of around 25°C for spinach leaves. Further studies could investigate the effects of other factors, such as light intensity or CO2 concentration, on photosynthesis rates.
P.S: Your question is incomplete, so I gave you a general overview on how to make a good lab report above.
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Why is photosynthesis an important process to plants? What does this process do for all plants?
Answers
Photosynthesis is an important process for plants because it allows plants to convert sunlight into energy for them to use. Essentially, plants use photosynthesis to generate "food" for themselves.
What is a meter stick used for in biology?
Answers
A meter stick is a basic tool used in biology that is used to measure length, width and/or depth of biological specimens.
The meter stick is usually made of wood, plastic, or metal and is marked in metric units, with each centimeter being equivalent to one millimeter. The meter stick is an important tool for a variety of biological applications, such as measuring the size of a cell, measuring the distance between two points on a slide, and measuring the size of a specimen.
The meter stick is also used to measure the length of a specimen, such as a plant or animal. This is done by measuring the entire length of the specimen from one end to the other. The meter stick can also be used to measure the width of a specimen, such as a leaf or a flower. In addition, the meter stick can be used to measure the depth of a specimen, such as a pond or a lake.
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why is it not beneficial to have more than one type of molecule working ingene expression
Answers
Having too many types of molecules can be detrimental to the process as interaction between the molecules becomes complex and may interfere with the normal functioning of the gene.
Gene expression is the process by which genetic information in the DNA is used to make functional gene products, such as proteins. The process involves several molecules, including RNA, DNA, and proteins. Having too many type of molecules working together can be detrimental because the interaction between the molecules becomes complex and may interfere with the normal functioning of the genes. Here are a few reasons why it is not beneficial to have more than one type of molecule working in gene expression:
1. Complexity: Gene expression already involves multiple steps and numerous molecules. Adding more molecules would make the process even more complex and difficult to understand.
2. Interference: The molecules in gene expression must work together in a coordinated manner. Having too many types of molecules can interfere with this coordination and lead to mistakes or errors.
3. Regulation: Gene expression is regulated to ensure that genes are turned on or off at the right time. Additional molecules can make this regulation more difficult, leading to the misregulation of genes.
4. Replication: Gene expression is a process that occurs in cells during replication. The presence of too many molecules can affect the replication process and lead to mutations or other errors in the DNA.
Overall, it is not beneficial to have more than one type of molecule working in gene expression because it can lead to complexity, interference, regulation, and replication problems.
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Your teacher tells you that you are required to complete a research project that uses macrosociology. which topic would be the best option for you?
Answers
The best option for a research project that uses macrosociology would be to analyze the impact of globalization on income inequality. Macrosociology focuses on studying large-scale social structures and institutions. One of the key aspects of macrosociology is analyzing social phenomena at a societal level.
When choosing a topic for a research project that utilizes macrosociology, it is important to select a subject that explores how societal factors influence individuals and groups. In this case, analyzing the impact of globalization on income inequality would be an excellent choice. Globalization refers to the increasing interconnectedness and interdependence of nations through economic, political, and cultural exchange.
It has had profound effects on societies worldwide, including changes in the distribution of wealth and income. By examining this topic, you would be able to analyze how macro-level factors, such as international trade, labor markets, and economic policies, shape income inequality within and between countries. The best option for a research project that uses macrosociology would be to analyze the impact of globalization on income inequality.
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19. Engineer It In some rivers and lakes, dams
are constructed to harvest energy by converting the
kinetic energy of moving water into electrical energy.
Water from behind the dam flows through a turbine
that transforms kinetic energy into mechanical
energy. The turbine turns a generator that converts
mechanical energy into electrical energy.
The water from behind the dam could flow to the
turbine either through an opening near the middle or
top of the dam or by flowing over the top of the dam.
Which type of water flow would be the best design for
sending a consistent flow of water past the turbines?
Explain your reasoning.
Answers
Answer:
A hydroelectric dam converts the potential energy stored in a water reservoir behind a dam to mechanical energy—mechanical energy is also known as kinetic energy. As the water flows down through the dam its kinetic energy is used to turn a turbine.
Explanation:
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what might an engineer need to consider when designing a heating/cooling system for a home in a cooler climate?
How might the design differ for a house found in a warmer climate?
Answers
An engineer might need to use passive construction when designing a heating and cooling system for a home in cooler climate and hot climates.
The engineers should ensure that he constructs a passive housing system. Windows in the living room must face true south or within 30 degrees of it according to passive design.
Any way of heating or cooling a home that doesn't involve energy input from the occupants or a mechanical device is considered passive heating and cooling.
To use passive heating, all of your doors and windows must be absolutely airtight. You should have double-paned or triple-paned windows since badly built ones will allow the heat from the sun to just flow back out. The ability of the window to retain internal heat and keep out outside air improves with the number of layers of glass.
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Make sure you understand the pressure-temperature chart used in previous lab as well as lectures and know where on the chart sedimentary rocks form (low temperature and low pressure). 3) Imagine standing on a beach in south Texas. You are standing on sand. If you were able and willing to walk perpendicular to the beach for 10 miles what would expect to be standing: A) Sand sized grains just like those on the beach B) Smaller sand grains C) Larger sand grains D) Some smaller sand grains but mostly silt sized grains E) Silt and mud 4) How cat you distinguish a conglomerate from a breccia? The conglomerate creates more rounded clasts whili breccia has angular clasks:
Answers
However, it is important to note that the pressure-temperature chart used in previous lab as well as lectures and know where on the chart sedimentary rocks form. Conglomerate creates more rounded clasts while breccia has angular clasts.
3.You would expect to be standing on silt and mud-sized grains if you were standing on sand on a beach in south Texas. However, it is important to note that the pressure-temperature chart used in previous lab as well as lectures and know where on the chart sedimentary rocks form. Based on the chart, it is likely that you would be standing on silt and mud-sized grains.
4.Conglomerate creates more rounded clasts while breccia has angular clasts. To distinguish a conglomerate from a breccia, you would need to look at the size and shape of the clasts. Conglomerate clasts are typically rounded and have a smooth surface, while breccia clasts are angular and have a rough surface. Additionally, conglomerate clasts are typically composed of cobbles or boulders, while breccia clasts are typically composed of fragments of other rocks.
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Phosphorus forms part of the important life-sustaining molecules such DNA and RNA
True or false
Answers
Answer:
False
Explanation isn’t phosphorus a chemical?
Answer:
true
Explanation:
Phosphorus is the most abundant gas in the atmosphere. Organic phosphate is taken up by producers during photosynthesis and released by cellular respiration. Phosphorus forms part of the important life-sustaining molecules such as DNA and RNA. Plants absorb phosphorus from the atmosphere or water.
Select all the offspring phenotypes that could be
produced from a BbEE x bbee cross (shown
above).
black fur, red eyes
black fur, black eyes
white fur, black eyes
white fur, red eyes
RE
LA
HELLER
T
EST
HULLE
ELLE
L
aila
EL
ANSWER : B & C
B: black fur ,black eyes
C:white fur , black eyes
Answers
Answer:
Option B and C
BbEe (black fur and black eyes and bbEe (white fur and black eyes)
Explanation:
BbEE x bbee
B - black fur E - black eyes
b - white fur e - red eyes
BbEE x bbee
B b E x b e
Bb bb Ee
BbEe (black fur and black eyes and bbEe (white fur and black eyes)
Answer:
Option B and C
Explanation:
You want to conserve a species of monkey that has dull coloration and a limited home range, which is also difficult to breed in captivity. You should make use of ______.
A. a reserve
B. ecotourism
C. predator removal
D. habitat restoration
Answers
A. a reserve. A reserve is the best option for conserving a species of monkey with dull coloration and limited home range.
Creating a reserve that protects the monkey's natural habitat and limits human encroachment is the most effective way to conserve the species. This allows the monkeys to live in their natural environment and carry out their natural behaviors without being disturbed or harmed. Ecotourism can also be a helpful tool in promoting the conservation of the species, as it raises awareness and generates income for the reserve. Predator removal may not be effective in conserving the species, as it can disrupt the balance of the ecosystem.
Habitat restoration can be helpful in areas where the monkey's habitat has been damaged, but it may not be enough to ensure the long-term survival of the species. Overall, creating a reserve that protects the monkey's natural habitat is the best option for conserving the species.
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What is Cicero's philosophy of government?
Answers
Answer:
Cicero proposed that the ideal government "is formed by an equal balancing and blending" of monarchy, democracy, and aristocracy. In this "mixed state," he argued, royalty, the best men, and the common people all should have a role.
Answer:
Like Polybius, Cicero has suggested three types of government—royalty, aristocracy and democracy. But in each form of government there is the germ of corruption and instability and this leads to the fall of government. Only a mixed form of government is the proper guarantee of stability and corruption-free society.
The protease made 1.5 mg of product in 3 seconds, what was the reaction rate?
Answers
Answer:
0.5 mg/sec
Explanation:
I just did the gizmo :)
Clean coal does not produce Carbon Dioxide
True or False
Answers
Answer:
False
Explanation:
Articular discs are found in all of the following joints except the A. sternoclavicular. B. temporomandibular. C. tibiofemoral. D. vertebrocostal.
Answers
Articular discs are found in all joints listed except the vertebrocostal joint.
Articular discs, also known as menisci, are fibrocartilaginous structures that are found in various joints of the body. They serve to enhance joint stability, improve congruence between articulating surfaces, and distribute forces evenly during joint movement. The sternoclavicular joint (A), temporomandibular joint (B), and tibiofemoral joint (C) all have articular discs. The sternoclavicular joint allows movement of the clavicle and sternum, the temporomandibular joint facilitates jaw movement, and the tibiofemoral joint is the primary articulation of the knee. However, the vertebrocostal joint (D) does not have an articular disc. This joint connects the ribs to the thoracic vertebrae and functions to provide stability to the ribcage.
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what does ethical mean?
Answers
Answer:
relating to moral principles or the branch of knowledge dealing with these.
Explanation:
Scientific models ___.
A. Are based on a set of observations
B. Are used to replace experiments
C. Allow the study of existing systems only
D. Are rarely used.
Answers
Answer:
C I believe
Explanation:
sorry if im wrong just trying to help
Answer:
A. Are based on a set of observations.
Explanation:
Took test
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After a lake dried up during a severe drought a section of undisturbed rock layers was exposed. The layers are represented below.
Fossils in Undisturbed
Rock Layers
eo
Source: https://www.superlachertools.net
This sequence of rock layers best illustrates the concept that
o A. it is important to preserve the diversity of species and habitats
OB new inheritable characteristics can result from the recombining
of genes
oc the living and nonliving environment both change over time
D. living organisms have the capacity to produce populations of
unlimited size
Answers
Answer:C
Explanation:
After a lake dried up during a severe drought a section of undisturbed rock layers was exposed represents that the living and nonliving environment both change over time. So the correct option is C.
What is fossil fuels?Fossil fuels is refers to as which is made from decomposing plants and animals. As the time changes, the living and non-living matter decomposes and deposited in deep layers of soil and converted into fossils after a million ages.
These fuels are present in the earth's crust and comprises carbon and hydrogen, which can be burned for energy. The Coal, oil, and natural gas are examples of fossil fuels.
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