Without plasma membrane cells, living things will die because they are unable to maintain homeostasis.
What is the plasma membrane?The plasma membrane is a physical barrier that separates the cell from its surrounding environment or media.
The cell membrane is fundamentally required to transport substances and interchange foods and waste products.
In conclusion, without plasma membrane cells, living things will die because they are unable to maintain homeostasis.
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A loose pile of rocks and soil travels in a single large mass. the mass moves a short distance downhill. which mass movement does this describe?
Answer:
Landslide,erosion,creep slump
If an object's mass is 30 kg , what would be it's weight on the Earth?
Options :
- 300 kg
- 3000 N
- 300 N
Answer:
300N
Explanation:
Weight = Mass × Gravitational Field Strength
∴ Weight of object
= 30kg × 10N/kg
= 300N
An area experiences warm, moist air that rises in the atmosphere and forms large cumulonimbus clouds. Which severe weather event is likely to occur? Drought Hurricane Lightning Thunderstorm
Answer:
thunderstorm
Explanation:
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In our solar system, how do the general characteristics (composition, number of moons, presence of rings, and atmosphere) of the outer planets differ from the general characteristics of the inner planets?
Answer:
The four Inner planets have slower orbits, slower pin, no rings and they are made of rock and metal. The four Outer planets have faster orbits and spins, a composition of gases and liquids, numerous moons, and rings.
The Outer planets are made of hydrogen and helium, so they are called gas giants.
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The solar system has eight planets, the remaining four are outer planets, and four are inner planets, beyond the asteroid belt are the outer planets.
How do outer planets differ from inner planets?The term "Jovian planets" refers to gaseous outer planets. Terrestrial planets are the inner planets. While inner planets only have one to two moons, outer planets have a large number of moons.
Compared to outer planets, inner planets are located closer to the Sun. The size of the outer planets is greater than that of the inner planets.
The orbital periods of outer planets are longer than those of inner planets. Unlike inner planets, outer planets have a ring system.
Therefore, the four outer planets have a more extensive moon and ring systems, longer orbits and spins, and are made up mostly of gases and liquids.
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From where do all preganglionic nerve fibers of the sympathetic nervous system arise?.
Answer:Thoracic and lumbar regions of the spinal cord
Explanation:
dna methylation and histone acetylation are examples of:
Answer:
Epigenetic mechanisms
What does the graph in figure 1 illustrate
Figure 1 is a graph that illustrates the relationship between two variables in a system, as indicated by the direction and shape of the plotted line.
The graph may be used to identify the correlation between variables, the rate of change, and the characteristics of a system.The horizontal axis, or x-axis, is the independent variable, while the vertical axis, or y-axis, is the dependent variable. As the independent variable changes, the dependent variable is affected and changes in a predictable manner. The slope of the line shows the direction and steepness of the relationship between the two variables.
A positive slope indicates that as the independent variable increases, the dependent variable also increases. A negative slope indicates that as the independent variable increases, the dependent variable decreases. A slope of zero indicates that there is no relationship between the two variables.
The shape of the line, whether linear or nonlinear, indicates the rate of change between the two variables. Nonlinear relationships may be curved, such as exponential, logarithmic, or polynomial functions, or they may be stepwise, as in a staircase function. Linear relationships, on the other hand, are typically straight lines with a constant slope.
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what are the roles of organic molecules in cells?
A live cell's mass is made up of 1%–1.5% inorganic substances. Despite not contributing to the formation of cell structures, these little, straightforward molecules have significant functions in cells.
What qualities do live cells possess?
There are many traits that all living cells share, despite their apparent diversity. Cells develop, move internally and externally, absorb energy, use cell walls to assist them in maintaining homeostasis, and procreate through mitosis, also known as cell growth.
What do biological cells do?
View all videos related to this article. In biology, a cell is a basic membrane-bound entity that houses the building blocks of life and is the basic building block of all other living entities. Often, a human cell is an entire organism unto itself, as
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The only inputs for cellulose hydrolysis are water and cellulose. Based on the model of matter and energy transformation from class, what happens energetically when cellulose is hydrolyzed to glucose?.
Water and cellulose are the only inputs for the hydrolysis of cellulose. The model of matter and energy transformation from class, Free energy is lost as heat is energetically when cellulose is hydrolyzed to glucose.
An organic molecule with the formula n, cellulose is a polysaccharide made up of a linear chain of several hundred to many thousands of D-glucose units that are covalently bonded. The basic cell walls of oomycetes, various types of algae, and green plants all include cellulose as an essential structural element. The primary ingredient of paper, cardboard, and textiles derived from cotton, flax, or other plant fibres is cellulose. It is also used to make cellulose derivatives, films, and fibres. A polysaccharide, cellulose is made up of several repeating units of the monosaccharide D-glucose. Therefore, it cannot be separated into more basic chemicals. In light of this, cellulose is not a simple sugar. Plant cell walls contain glucose a chemical called cellulose, which is used to manufacture paper.
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A deficiency in which of the following within the mitochondrial matrix will not limit a cell's rate of oxidative phosphorylation?
a) O2
b) NAD+
c) A deficiency in any of these will limit the rate of oxidative phosphorylation
d) FADH2
The deficiency of all the options will limit the rate of oxidative phosphorylation is a result, the correct option is C.
A deficiency in oxygen within the mitochondrial matrix will not limit a cell's rate of oxidative phosphorylation. This is because Oxygen is not an element that is present within the mitochondrial matrix, but rather diffuses into it.
A deficiency in the other three elements mentioned - NAD+, FADH2, or any other element present within the mitochondrial matrix - would limit a cell's rate of oxidative phosphorylation.
Deficiency of NAD+: NAD+ is a coenzyme that can function as an electron acceptor, but it is not directly involved in electron transfer. This coenzyme is required for pyruvate dehydrogenase complex, α-ketoglutarate dehydrogenase complex, isocitrate dehydrogenase, and malate dehydrogenase reactions in the mitochondrial matrix.
Deficiency of FADH2: FADH2 is a coenzyme that participates in many redox reactions in the mitochondrial matrix, including that of succinate dehydrogenase. Deficiency of FADH2 would, therefore, limit a cell's rate of oxidative phosphorylation.
Deficiency in any of these will limit the rate of oxidative phosphorylation: A deficiency in any of the above-mentioned will limit the rate of oxidative phosphorylation. Hence, making c the correct option.
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Which of the following statements about antibiotics is not correct?
A
Some antibiotics are produced by fungi.
B
Some bacteria are resistant to antibiotics.
C
Antibiotics are used to treat diseases caused by viruses.
D
When taking antibiotics for an infection, the treatment should be
completed.
A some antibiotics are produced by fungi
Answer:
the answer is A because anti biotic are not produced by fungi
Are gender traits completely a result of societal expectations?
Explanation:
no gender traits are not completely a result of societal expectation
Answer:
gender traits are not solely a result of societal expectations. They are influenced by a combination of biological, psychological, and sociocultural factors, with individuals' experiences and self-identity also playing a significant role in how gender is expressed.
Explanation:
Biologically, individuals are assigned a sex at birth based on their physical characteristics, typically categorized as male or female. However, gender goes beyond biological sex and encompasses a range of behaviors, roles, identities, and expressions that are influenced by both nature and nurture.
Psychologically, individuals develop a sense of their own gender identity, which may align with their assigned sex (cisgender) or differ from it (transgender). Gender identity is an internal and deeply-felt sense of being male, female, or another gender, and it is not solely determined by societal expectations.
Societal expectations, cultural norms, and socialization play a significant role in shaping how gender is understood and expressed within a particular culture or society. These expectations can vary across different societies and change over time. Societal factors influence the norms and expectations related to gender roles, behaviors, and appearances, which can impact how individuals express their gender identity.
However, it is important to recognize that individuals have diverse experiences of gender that cannot be solely attributed to societal expectations. Biological factors, such as genetics, hormones, and brain development, also contribute to the development of gender traits. Additionally, personal experiences, self-expression, and individual differences influence how individuals express their gender identity.
Which of the following is not a concern associated with fossil fuel dependence?
A. global warming
B. rising prices
C. increased competition
D.increased development
Please select the best answer from the choices provided
Answer:
D. increased development
Explanation:
I compared answers with others and found out d is correct. trust me :)
Which main types of discrimination did Truth face at the time of her ain't IA Woman speech?.
The speech by Truth was one she delivered during the Ohio Women's Convention. This speech resonates on both a racial and gender level with regards to political sensibility, social injustice, and the law.
It is a speech she delivered in 1851 before the Women's Convention in Akron, Ohio. The attendees of the female gender were urged to seek the right to vote. Convincing the audience that providing women the right to vote is a wise idea is the speech's main objective.
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is pluto still a "planet"?
Answer:
No, pluto used to be considered a planet but now it is considered a dwarf planet.
Explanation:
Pluto was founded in 1930, and was added to be one of the planets. After Eris was discovered, scientists had to make up a decision. Whether Eris was going to be the 10th planet in the solar system or not. Since Eris was similar to Pluto, they started to question whether Pluto was even considered a planet. Scientists then made up rules that would determine if something was a planet or not. A new category was created, dwarf planets.
Question 9 of 25
How does a cell's history affect the benes expressed by the cell?
OA. All of the genes contained in a cell must be expressed as soon as
the cell forms so it can differentiate.
OB. Internal and external conditions determine which genes are turned
on or off as the cell develops.
C. The genes that are turned on when a cell is developing are the only
genes that will be expressed during the cell's life.
D Refore a call dividae unnececean nongo are removed from ite
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Which genes are turned on or off as the cell develops depends on both internal and external factors. Genes regulation is a mechanism wherein the past of a cell can influence the genes that are produced by the cell.
How do cellular functions change as a result of a gene sequence?Proteins are controlled by genes, which determine how cells function. Thus, the millions of genes that are expressed in a certain cell determine the capabilities of that cell.
Why don't all of the genes in a cell's genome express themselves at once, only a subset of the genes that do?Additionally, because DNA must be unwound from its tightly coiled shape in order to be translated and transcribed, only a portion of the genes are expressed by each cell. This conserves space.
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Answer: B
Explanation:
which of the following choices reflects the appropriate order of locations through which a protein destined for the plasma membrane travels?
The order of locations through which a protein destined for the plasma membrane travels is Golgi apparatus, Endoplasmic reticulum.
Protein trafficking refers to the process by which proteins are transported to their destination after synthesis. Following translation, a protein is conveyed to the Golgi apparatus through vesicular transport. The transport is mediated by coat proteins and small GTPases. Once a protein is in the Golgi, it is sorted to its final destination. Proteins destined for the plasma membrane travel through the trans-Golgi network and finally reach the plasma membrane.In eukaryotic cells, the endoplasmic reticulum (ER) is the organelle where the majority of secretory and membrane proteins are synthesized. The ER is also the site of post-translational modifications like folding and glycosylation, which are necessary for the proteins to attain their correct conformations. It is in the rough endoplasmic reticulum that secretory proteins, such as those for export outside of the cell, are synthesized.
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Cells cannot grow forever. Rather than just die, what do you think they do when they get too big?
Answer:
Well they grow up to a certain limit, so they divide into smaller cells. they do that because if the cell grows really big and it would be more difficult to get sufficient amounts of oxygen and nutrients in and waste products out, so the cell has to stop growing before this happens.
Explanation:
The jar containing the ecosystem is sealed shut and placed near a window so that the plants have access to sunlight. How are
the organisms in this ecosystem able to obtain enough matter and nutrients to survive in these conditions?
O A.
All of the organisms within the container are able to receive matter and nutrients in the form of sunlight.
O B.
All of the organisms in the ecosystem are full grown, so they no longer need matter or nutrients.
O C.
The ecosystem conserves its matter and nutrients by recycling them within the sealed container.
o
D.
The ecosystem creates and destroys matter and nutrients through the process of photosynthesis.
Reset
Next Question
Answer:
Explanation:
b
Answer:
B.
All of the organisms in the ecosystem are full grown, so they no longer need matter or nutrients.
Explanation:
One cost-cutting measure used by E-Z Out Garage Door Co. is sourcing the parts it uses from companies in Germany, Brazil, and Mexico that are more economical than home-country sources. The choice to use these sources is an example of the
The choice to use more economical parts sources from Germany, Brazil, and Mexico by E-Z Out Garage Door Co. is an example of global sourcing for cost-cutting.
Global refers to the scope or extent that encompasses the entire world or multiple countries. It refers to activities, issues, or processes that have a worldwide reach or impact. In the context of business, global often relates to international operations, such as global markets, global sourcing, or global supply chains, where organizations engage in activities that span across different countries or regions. Global strategies and approaches consider the interconnectedness of various countries and aim to capitalize on opportunities, address challenges, and create synergies on a global scale.
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What is the arrangement of the phospholipids a substance encounters as it passes through the plasma membrane?
The phospholipids in the plasma membrane are arranged in two layers, called a phospholipid bilayer, with a hydrophobic, or water-hating, interior and a hydrophilic, or water-loving, exterior.
Phospholipids are a class of lipids whose molecule has a hydrophilic "head" containing a phosphate group and two hydrophobic "tails" derived from fatty acids, joined by an alcohol residue (usually a glycerol molecule). Marine phospholipids typically have omega-3 fatty acids EPA and DHA integrated as part of the phospholipid molecule. The phosphate group can be modified with simple organic molecules such as choline, ethanolamine or serine.
Phospholipids are a key component of all cell membranes. They can form lipid bilayers because of their amphiphilic characteristic. In eukaryotes, cell membranes also contain another class of lipid, sterol, interspersed among the phospholipids. The combination provides fluidity in two dimensions combined with mechanical strength against rupture. Purified phospholipids are produced commercially and have found applications in nanotechnology and materials science.
In aqueous solutions, phospholipids are driven by hydrophobic interactions, which result in the fatty acid tails aggregating to minimize interactions with the water molecules. The result is often a phospholipid bilayer: a membrane that consists of two layers of oppositely oriented phospholipid molecules, with their heads exposed to the liquid on both sides, and with the tails directed into the membrane. That is the dominant structural motif of the membranes of all cells and of some other biological structures, such as vesicles or virus coatings.
Phospholipid bilayers are the main structural component of the cell membranes.
In biological membranes, the phospholipids often occur with other molecules (e.g., proteins, glycolipids, sterols) in a bilayer such as a cell membrane. Lipid bilayers occur when hydrophobic tails line up against one another, forming a membrane of hydrophilic heads on both sides facing the water.
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Is alcohol halal or haram?
In Islam, drinking alcohol is considered haram, or banned. As evidence of the prohibition, Islamic academics and Muslim religious authorities frequently cite a phrase in the Quran, the Muslim holy book, that refers to intoxicants as "the work of Satan" and instructs believers to avoid them.
Many beverages are suitable for Halal-conscious consumers, including fruit juice, sparkling water, coffee, tea, soymilk, almond milk, and milk from cows, goats, or camels.
In Islam, what percentage of alcohol is halal?To be halal, consumer items with additional ingredients that contain alcohol must contain less than 0.1% alcohol, including both added and natural alcohol.
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infinity please comment here what are bryophytae?????
Explanation:
Bryophytes are a proposed taxonomic division containing three groups of non-vascular land plants: the liverworts, hornworts and mosses. They are characteristically limited in size and prefer moist habitats although they can survive in drier environments. The bryophytes consist of about 20,000 plant species.
Answer:
The term Bryophyta came up from the word 'Bryon' which means mosses and phyton, meaning plants. These are the plants that grow in shady and damp areas and are small in size. They lack vascular tissues. They reproduce through spores instead of producing flowers and seeds.
Explanation:
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Science and technology can often cause controversy in society. name something, besides radiation, that is science related and has caused controversy in society.
Genetically modified organisms (GMOs) are a science-related topic that has caused controversy in society. The use of GMOs in agriculture and food production has raised concerns regarding their safety, environmental impact, and ethical considerations.
Genetically modified organisms (GMOs) refer to organisms whose genetic material has been altered through genetic engineering techniques. The introduction of GMOs in agriculture and food production has sparked controversy and debates. Critics argue that GMOs may have adverse effects on human health, such as allergies or unknown long-term consequences. Environmental concerns include potential harm to ecosystems, such as the spread of genetically modified traits to wild species or the development of pesticide resistance. Additionally, ethical considerations arise regarding ownership and control of genetic resources, as well as the potential monopolization of agriculture by corporations.
The controversy surrounding GMOs often stems from conflicting scientific studies and varying interpretations of their findings. Public perception, lack of transparency, and distrust of large corporations have further fueled the controversy. As a result, GMO labeling, regulatory policies, and public engagement have become important aspects of the discussion.
It's worth noting that opinions on GMOs vary, and scientific consensus generally supports the safety and potential benefits of genetically modified crops. Nonetheless, the controversy surrounding GMOs highlights the complex interplay between science, technology, society, and values.
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The diagram below shows the cell cycle. Which type of cell division is indicated by the processes happening in C and D?
Answer:
Mitosis is the sort of cell division depicted by the processes in C and D.
Explanation:
A short explanation of what Mitosis is: The division of vegetative cells, which culminates in the formation of two genetically identical but independently functioning daughter cells.
Sister chromatids separate into opposing poles during mitosis in anaphase, and each group of chromatids forms the genetic materials for daughter cells that will become independent when the parent cell undergoes cytokinesis or cytoplasm division.
Diagram:
The letter C in the illustration represents the mitotic metaphase when chromosomes congregate in the center of the cell and are connected by spindle fibers.
D is the anaphase in which sister chromatids are separated and begin to move to oppose poles due to spindle fiber contraction.
PLEASE ANSWER 15 POINTS
Balance depends on information your brain receives from your eyes, muscles, and the semicircular canals in your ear. The 3 semicircular canals are filled with fluid and small hairs, and they are aligned at right angles to each other. When the head moves, the fluid in the canals moves the hairs and a nerve impulse is sent to the brain. With this information, please explain in detail why spinning makes you dizzy.
Your tongue is covered in bumps called papillae. Papillae have taste receptors that are bundled together (taste buds). Taste buds have microscopic hairs called microvilli which send nerve impulses to the brain. However, your nose plays a role too! While you’re chewing, the food releases chemicals that travel up your nose and trigger olfactory receptors which also send nerve impulses to the brain to help you interpret the true flavor of what you’re eating. With this information, explain why a cold or allergies can diminish the flavor of your food.
From the information above, we can explain in detail why spinning makes you dizzy. The reason is that our brain then can tell your body how to stay balanced. If you spin around and then stop, the liquid inside the semicircular canals moves awhile longer and the hairs continue to send the message to the brain that you are spinning even though you're not. That's why we feel dizzy.
From the information about, we can explain why a cold or allergies can diminish the flavor of your food. The reason is because When you have a cold or allergies, and your nose is stuffy, you might notice that your food doesn't seem to have much flavor. That's because the upper part of your nose isn't clear to receive the chemicals that trigger the olfactory receptors or that inform the brain and create the sensation of flavor.
What is the brain?The brain can be described as a complex organ that controls thought, memory, emotion, touch, motor skills, vision, breathing, temperature, hunger and every process that regulates our body.
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What vitamins are depleted by caffeine?
Due to caffeine's modest diuretic properties, urination increases. As a result of fluid loss, water-soluble vitamins including vitamin C and the B vitamins may become deficient. Additionally, studies showed that the amount of caffeine had an effect on how well the body absorbed vitamin D.
Manganese, zinc, and copper absorption may be affected by caffeine. Additionally, it causes a rise in the elimination of the minerals phosphate, potassium, magnesium, and sodium. Additionally, there is proof that caffeine impedes vitamin A's ability to do its job.After correcting for numerous health-related factors, their findings reveal that increased caffeine consumption was linked to poor vitamin D uptake in what they refer to as "a sample group of the Due to caffeine's modest diuretic properties, urination increases. As a result of fluid loss, water-soluble vitamins including vitamin C and the B vitamins may become deficient. Additionally, studies showed that the amount of caffeine had an effect on how well the body absorbed vitamin D.American population."Consuming coffee was linked to lower levels of circulating B vitamins. Coffee consumption appeared to primarily affect the upper part of the distributions of B-vitamin concentrations, but not the lower part, according to the observed effect profiles.
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Which of the following features are unique to meiosis?
A) synapsis
B) homologous recombination
C) reduction division
D) A and B
E) A, B and C
E) A, B and C. Synapsis, homologous recombination, and reduction division are characteristics that are exclusive to meiosis.
What distinguishes the meiotic process?Meiosis and mitosis are distinct from one another in addition to the reduction in the number of chromosomes.Meiosis specifically produces novel genetic material combinations each of the four daughter cells.These novel pairings are the result of DNA switching between linked chromosomes.
What three things are peculiar to meiosis?Homologous chromosomal pairing, crossover, and tetrad formation are among the actions that take place in mitosis but not during mitosis.
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What is the meaning of reciprocal determinism?
Answer: a social-cognitive theory which argues that behavior, cognition, and environment all interact with and influence one another.
Explanation:
Explain the role of enzymes in growth
Enzymes help speed up chemical reactions in the human body.