Which cellular structures are composed of many amphipathic molecules that are driveen together under the influence of the hydrophobic effect?

Answers

Answer 1

The hydrophobic effect causes a large number of amphipathic molecules, which make up cellular membranes, to be drawn together.

What components make up the cell membrane?With a few rare exceptions, glycerophospholipids, which are made up of glycerol, a phosphate group, and two fatty acid chains, are the primary component of cellular membranes, including plasma membranes and interior membranes. The three-carbon molecule glycerol serves as the framework for these membrane lipids.What use does a cell membrane serve?All cells have a cell membrane, also known as a plasma membrane, which separates the interior of the cell from the external environment. A semipermeable lipid bilayer makes up the cell membrane. The movement of materials into and out of the cell is controlled by the cell membrane.

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Related Questions

what animal would a seed eating bird eat?

Answers

Answer:

raccoons

Explanation:

eight bones make up the __________ , which encloses and protects the brain.

Answers

Answer:

Skull or I think you could say cranium

Explanation:

The theory of plate tectonics helps to explain _____.

Answers

the theory explains how Earth's plates form and move. it also explains how plates interact ,producing volcanoes,mountain range ,earthquakes,and featurs of the ocean floor


this is copied and pasted so don’t write word for word

Photosynthesis is a process by which _______ energy is converted to _______ energy.
a) Nuclear to Mechanical energy
b) Chemical to Radiation (light) energy
c) Heat to Electrical energy
d) Solar to Chemical energy

Answers

Answer:

d) Solar to Chemical energy

The energy-absorbing molecules of plant cells are located in the ___.
A: thylakoids
B: nucleus
C: stroma
D: mitochondria

Answers

D mitochondria. I think

Mitochondria. Oxygen and glucose combine to give the cell its energy.

Which acid is not typically formed in the atmosphere as part of acid deposition?
Responses

hydrochloric acid
hydrochloric acid

sulfuric acid
sulfuric acid

nitric acid
nitric acid

carbonic acid

Answers

Answer:  Hydrochloric acid

Explanation: Hydrochloric acid is not typically formed in the atmosphere as part of acid deposition. Acid deposition, also known as acid rain, is a broad term that includes any form of precipitation with acidic components, such as sulfuric or nitric acid that fall to the ground from the atmosphere in wet or dry forms.

Power is measured in _______?​

Answers

Answer:

joules

Explanation:

i think

Power is measured in units

The traits of an individual controlled by his or her genotype are his or her genotypical inheritances.
epigenome. karyotype. phenotype. alleles.

Answers

The genotype of an individual is determined by their unique combination of alleles, which are different versions of genes that determine specific traits. The phenotype, or observable characteristics of an individual, is a result of both their genotype and the influence of the environment on their epigenome.

The karyotype, or the complete set of chromosomes in an individual's cells, is also determined by their genotype.  The genotype represents the genetic makeup of an individual, while the phenotype represents the observable characteristics or traits that result from the genotype interacting with the environment. Together, an individual's genotypical inheritances shape their physical and behavioral characteristics.

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Which dye could the technician use to determine whether the cells are prokaryotic or eukaryotic?
Eosin
Nile blue
Acridine Orange
Osmium Tetroxide

Answers

Answer:

nile blue should be the correct answer

which charictreistic of tumour cells allows an ongiung culture of an antibody-producing lymphocytes to be made

Answers

Answer:

Immortal-Cultured Indefinitely

Explanation:

As stated in the text:

"The isolated B-cells are made to fuse with immortal tumor cells and can be cultured indefinitely in a suitable growing medium."

which charictreistic of tumour cells allows an ongiung culture of an antibody-producing lymphocytes to

How can the reliability of the investigation be improved?

Answers

Answer:

You can test reliability through repetition. The more similar repeated measurements are, the more reliable the results. The reliability of single measurements is not improved through repetition, but through the design of the experiment. Implementing a method that reduces random errors will improve reliability.

Define 4 types of teeth(incisors,canines, premolars and molars)
Who answered correct will get a the brainliest answer and a free follow.Have a nice day ​

Answers

Incisors: Incisors are your two front teeth and the teeth on either side of them on the top and bottom of the mouth. Incisors are designed like tiny chisels with flat, moderately sharp ends. These teeth are formed to cut and chop food.

Canines: The pointy teeth beside your incisors are your canine teeth. You have a total of four canine teeth—two on the top and two on the bottom. These teeth are also designed to be sharp for tearing food.

Premolars (bicuspids): Premolars or bicuspid teeth are located just beyond the canine teeth toward the back of the mouth. You have eight in total—four on the top and four on the bottom.Premolars are bigger, stronger, and have ridges designed for crushing and grinding food.

Molars: In the very back of your mouth are the molars. You have eight molars—four on top and four on the bottom. Molars are your strongest set of teeth, formed with more width and ridges than the premolars. The molars are also designed for chewing and grinding, as well as thorough mashing of your food prior to swallowing. The molars generally do not surface until the ages of 6 to 12.

What causes tempature in the summer to be higher than temperature in the winter

Answers

Answer:

The Earth's Tilt

Explanation:

Due to the Earth's tilt, more of the Sun's rays directly hit a particular region of the Earth during the summer months than during the winter months. As a result, the average temperature is increased during the summer.

Answer:

It is all about the tilt of the Earth’s axis. Many people believe that the temperature changes because the Earth is closer to the sun in summer and farther from the sun in winter. In fact, the Earth is farthest from the sun in July and is closest to the sun in January!.

During the summer, the sun’s rays hit the Earth at a steep angle. The light does not spread out as much, thus increasing the amount of energy hitting any given spot. Also, the long daylight hours allow the Earth plenty of time to reach warm temperatures.

During the winter, the sun’s rays hit the Earth at a shallow angle. These rays are more spread out, which minimizes the amount of energy that hits any given spot. Also, the long nights and short days prevent the Earth from warming up. Thus, we have winter.

What causes tempature in the summer to be higher than temperature in the winter

Why did the dialysis bag gain weight?

Answers

The weight gain of a dialysis bag could be due to a number of reasons like 1) Fluid accumulation 2) Electrolyte balance 3) High blood pressure etc.

1. Fluid accumulation: During the dialysis procedure, fluid may have accumulated inside the dialysis bag, causing the bag to increase weight. This could happen if there are leaks in the bag or contaminants in the dialysis solution.

2. Electrolyte balance: Dialysis can change the patient's body's electrolyte balance, which can lead to fluid buildup in the dialysis bag.

3. High blood pressure: If the patient has high blood pressure, the dialysis bag may be filled with additional fluid.

4. Insufficient blood flow: If the dialysis bag's blood flow is insufficient, additional fluid may build up inside the bag, causing it to gain weight.

5. Machine error: The weight rise in the dialysis bag could be due to a machine error.

During the dialysis procedure, it's crucial to keep an eye on the weight of the dialysis bag and notify the healthcare practitioner of any major variations because they could point to a problem with the dialysis procedure.

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how so different biogeographical zones affect agricultural practice?

Answers

Answer:

Biodiversity within a given ecosystem will be affected by a number of biogeographic factors: Larger habitats tend to promote biodiversity better than smaller habitats (more available niches = less competition) Ecology at the edges of ecosystems is different from central areas (e.g. more sunlight, more wind,

hope it helps

in models of global warming, the most important factor contributing ot an increase in sea level is:______

Answers

Answer: The most important factor contributing to an increase in sea level is Thermal expansion of the Oceans.

Explanation:

As we know global warming is the most important points of climate change as the Thermal expansion of Oceans occurs there are many ice bodies which are in frozen form like ice caps of north and south, they began to melt in the form of fresh water contributing to increase in sea levels that is the reason Thermal expansion of oceans is the most important factors of Increase in sea level in today's world.

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In models of global warming, the most important factor contributing to an increase in sea level is the thermal expansion of seawater and the melting of land-based ice.

As global temperatures continue to rise due to the greenhouse effect, ocean waters absorb and store much of the excess heat. This causes the seawater to expand, which is referred to as thermal expansion. Since water expands as it heats up, this leads to an increase in sea levels. Thermal expansion accounts for about half of the observed sea-level rise in recent decades.

Additionally, the melting of land-based ice, such as glaciers and ice sheets, contributes to sea-level rise as well. As global warming accelerates, ice masses in polar regions like Greenland and Antarctica are melting at an increasing rate. The meltwater from these ice sources flows into the ocean, raising sea levels further.

Both thermal expansion and melting of land-based ice are consequences of human activities that release greenhouse gases, such as burning fossil fuels, deforestation, and industrial processes. These activities enhance the greenhouse effect, leading to global warming and subsequently, an increase in sea levels. It is crucial to mitigate these effects by reducing greenhouse gas emissions and promoting sustainable practices to protect coastal communities and ecosystems from the impacts of sea-level rise.

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Discuss how humans changed the balance of the park ecosystem.

Answers

Answer:

Humans change the ecosystem in many ways, such as the habitat destruction, the pollution, introduction of invasive species, exploitation, all species. The most common way that humans damage the ecosystem is by destroying the habit id human activities causes disturbance in the polish of the park's ecosystem.

A person is sweating, has large pupils and a rapid pulse. This means his _____ nervous system is activated.

Answers

A person is sweating, has large pupils, and a rapid pulse. This means his sympathetic nervous system is activated.

The sympathetic nervous system is responsible for the "fight or flight" response, which is the body's response to a perceived threat or stressor. When the sympathetic nervous system is activated, it stimulates the release of adrenaline and other hormones that prepare the body for action.

Sweating is a response to increased body temperature, which can occur as a result of increased metabolic activity due to the release of adrenaline. Pupil dilation allows more light to enter the eyes, which can improve visual acuity and help detect potential threats. A rapid pulse is also a response to increased metabolic activity, as the heart pumps more blood to supply the body with oxygen and nutrients needed for action.

Overall, the activation of the sympathetic nervous system prepares the body for physical activity and helps it respond to potential threats or stressors.

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Magnetic field lines around a bar magnet is it
a
b
c
d

Magnetic field lines around a bar magnet is it a b c d

Answers

B spread out from one pole and curve around to the other

The graph shows one consequence of urban sprawl. How did urban sprawl
contribute to the change in biodiversity?

The graph shows one consequence of urban sprawl. How did urban sprawlcontribute to the change in biodiversity?

Answers

Urban Sprawl leads to reduced habitat and fragmentation. Option D

How does Urban Sprawl affect biodiversity?

Natural ecosystems are frequently destroyed and fragmented as a result of urban sprawl. Forests, marshes, and other habitats are destroyed when cities grow to make room for new structures, parking lots, and other infrastructure.

The remaining natural areas become fragmented as a result of habitat loss, isolating populations of plants and animals and interfering with their ecological connectedness. Fragmented ecosystems make it harder for species to migrate, reproduce, and obtain suitable resources, which causes biodiversity to dwindle.

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A hypertonic solution has:
Fewer water molecules outside the cell than are inside the cell
More water molecules outside the cell than are inside the cell
The same number of water molecules inside and outside of the cell
No water inside or outside of the cell

Answers

A hypertonic solution has:

Fewer water molecules outside the cell than are inside the cell. Thus, option "A" is correct.

What is hypertonic solution?The cell is in a hypertonic solution because it lost water through osmosis and shrunk.A hypertonic solution contains more solute molecules compared to solvent molecules while the hypotonic solution has more solvent molecules than solute molecules.When a plant cell is placed in a hypertonic solution it loses water through osmosis and shrinks.An animal cell placed in a hypotonic solution absorbs water through osmosis, increases in size and then bursts. Plant cell, on the other hand, does not burst when placed in a hypotonic solution as it contains a cellulose cell wall.

Thus, option "A" is correct.

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All of the following statements about telomeres and telomerase are true EXCEPT that(2 pts) A) telomeres shorten as cells age (senescence) B) telomerase minimizes telomere shortening C) telomerase activity is high in adult cells D) telomerase activity is high in embryonic stem cells E) None of these choices

Answers

All of the following statements about telomeres and telomerase are true EXCEPT that C) telomerase activity is high in adult cells.

Telomeres are repetitive sequences of DNA found at the ends of chromosomes that protect the genetic information. As cells divide and age (senescence), the telomeres shorten due to the limitations of the DNA replication process.

Telomerase is an enzyme that minimizes this shortening by adding repetitive DNA sequences to the ends of chromosomes, thereby maintaining the telomere length. However, telomerase activity is generally low in most adult cells, leading to progressive telomere shortening and eventually cellular aging.

On the other hand, telomerase activity is high in embryonic stem cells and some cancer cells, which allows these cells to maintain their telomere length and continue dividing indefinitely.

Therefore, the correct answer is option C.

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Volcanic eruptions change the short term weather my blocking sunlight and making temperatures ________. Volcanic eruptions change the long term climate by adding greenhouse gases and making the climate _____.

Answers

Answer:

cooler/warmer

Explanation:

hope this helps!

Answer:

cooler and warmer

Explanation:

Which of the following statements about cells is NOT true?

A. The invention of the telescope allowed scientists to study cells.

B. Cells are the basic unit of life.

C. All cells come from preexisting cells.

D. Cells are capable of dividing to produce more cells.

Answers

Answer:

C.All cells come from preexisting cells.

is not true about cells .

hope it is helpful to you

All cells come from preexisting cells. is not true statement about cells

Which part of a DNA molecule is responsible for the direct coding of specific traits in an organism?

A. The number of hydrogen bonds that hold the strands of DNA together.

B. The number of carbons in the DNA molecule.

C. The sequences of phosphates along each DNA strand.

D. The sequence of nucleotide bases in the DNA molecule

Answers

Answer:

the answer is D the sequence of nucleotides

Which layers are impermeable ?
layer of loose soil

layer of sand

layer of gravel

layer of hard clay

solid rock
HELP ASAP!

Answers

Impermeable and/or non-porous materials include clay, non-fractured igneous and metamorphic rocks. Porous/permeable layers are called aquifers; impermeable layers called aquiludes.

Layer of sand, layer of hard clay and layers of loose soil

Which statement describes one way that wind energy is different from energy from fossil fuels?
O Wind energy reliability can be inconsistent.
O Wind energy produces larger quantities of energy.
O Wind energy can be reproduced quickly.
Wind energy produces more pollution.

Answers

I think the answer is the first option.

Wing energy is reliable but is less consistent. The correct option is A.

What are fossil fuels?

Fossil fuels are derived from the decomposition of plants and animals. These fuels, which can be encountered in the Earth's crust and encompass carbon and hydrogen, can be burned for energy.

Fossil fuels include coal, oil, and natural gas. These are consistent source of energy. On the other hand, wind energy is reliable but is not really consistent.

Thus, the correct option is A.

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If a property owner cuts less trees, how can they make more profit than a non-FSC certified owner?

Answers

By increasing the sustainability, FSC certified owner can make more profit

What is non-FSC certified owner?

A property owner who cuts fewer trees may make more profit than a non-FSC certified owner in several ways:

Increased sustainability: By cutting fewer trees, the property owner is preserving forest resources and biodiversity, which can attract environmentally conscious consumers and increase the demand for their products.

Better reputation: FSC certification is an internationally recognized symbol of responsible forest management. By obtaining this certification, the property owner can improve their public image, increase their brand recognition, and increase consumer trust in their products.

Access to new markets: Many companies and governments now require their suppliers to source products from FSC certified forests. By becoming FSC certified, the property owner may gain access to new markets and customers, increasing their sales and profitability.

Reduced costs: By reducing the number of trees cut, the property owner may reduce the costs associated with logging and timber harvesting, such as transportation and processing expenses.

In summary, by cutting fewer trees and becoming FSC certified, a property owner can improve their sustainability, reputation, market access, and reduce costs, leading to increased profits.

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5 examples of binomal nomenclature of organisms​

Answers

Answer:

5 examples of the binomial nomenclature of organisms are:

cobra - naja naja

frog - rana tigrina

mango - mangifera indica

pear - pyrus communis

honey bee - apis mellifera

PLEASE HELP ASAP!! AP Biology Edge: Identify a further area for experimental investigation into transport across membranes. This may be a new investigation, or a further investigation of osmolarity.

Answers

Transport across membranes involves two different processes, i.e. active transport and passive transport. Active transport needed energy because the movement occurs against the concentration gradient while passive transport comprises simple diffusion and facilitative diffusion.

What do you mean by Membrane transport?

Membrane transport may be defined as the gesture of particles such as solutes across or via a membranous barrier that is made up of a lipid bilayer.

Water always moves from the region of low osmolarity to the region of high osmolarity. Other compounds migrate with respect to their properties and carriers proteins that mediate their transport.

It is the passive transport that allows the migration of polar charged, polar uncharged, and small polar molecules through the membrane. The process is spontaneous.

Therefore, it is well described above.

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-78 = 8 (4 + 7x) + 6(-1 + 8x) Galaxy, Inc. had the following merchandise transactions in October:Purchases $80,000Purchase returns 8,000Purchase discounts 7,200Transportation in 3,000 What is the total cost of merchandise purchased for Galaxy, Inc.? a. $77,000 b. $80,000 c.. $67,800 d. $83,000 What is the value of 3 is to 4? help plsss give answer I need to know the constant of proportionality for each table and equation. I also need to know what the answer to the question on the bottom is.Please show your work too. (Important) If nucleotides from the dna of a human were quantified and 30 percent of them contained the base adenine, what percentage of them would contain the base guanine?. An investor takes a long position in 10 July Oil futures contracts at a price of $85 per barrel. Each contract is for 1,000 barrels of oil. 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Find solutions for your homeworkFind solutions for your homeworkbusinessfinancefinance questions and answersgreta has risk aversion of a=5 when applied to return on wealth over a one-year horizon. she is pondering two portfolios, the s\&p 500 and a hedge fund, as well as a number of 5 -year strategies. (all rates are annual and continuously compounded.) the s\&p 500 risk premium is estimated at 6% per year, with a standard deviation of 20%. the hedge fund riskThis problem has been solved!You'll get a detailed solution from a subject matter expert that helps you learn core concepts.See AnswerQuestion: Greta Has Risk Aversion Of A=5 When Applied To Return On Wealth Over A One-Year Horizon. She Is Pondering Two Portfolios, The S\&P 500 And A Hedge Fund, As Well As A Number Of 5 -Year Strategies. (All Rates Are Annual And Continuously Compounded.) The S\&P 500 Risk Premium Is Estimated At 6% Per Year, With A Standard Deviation Of 20%. The Hedge Fund RiskGreta has risk aversion of \( A=5 \) when applied to return on wealth over a one-year horizon. She is pondering two portfolioShow transcribed image textExpert AnswerTop Expert500+ questions answeredSee the screenshot(s). AnyView the full answeranswer image blurTranscribed image text:Greta has risk aversion of A=5 when applied to return on wealth over a one-year horizon. She is pondering two portfolios, the S\&P 500 and a hedge fund, as well as a number of 5 -year strategies. (All rates are annual and continuously compounded.) The S\&P 500 risk premium is estimated at 6% per year, with a standard deviation of 20%. The hedge fund risk premium is estimated at 10% with a standard deviation of 35%. The returns on both of these portfolios in any particular year are uncorrelated with its own returns in other years. They are also uncorrelated with the returns of the other portfolio in other years. The hedge fund claims the correlation coefficient between the annual return on the S\&P 500 and the hedge fund return in the same year is zero, but Greta is not fully convinced by this claim. Compute the estimated 1-year risk premiums, standard deviations, and Sharpe ratios for the two portfollos. (Do not round your intermediate calculations. Round "Sharpe ratios" to 4 decimal places and other answers to 2 decimal places.) An environmental consequence describes any change, good or bad, in the habitat and living conditions of ecosystems for plant and animal species. What is an environmental consequence of open land use for any new business entering a community? The health of the growing community and environment improves over time. Construction companies are discouraged from building new businesses in the community. More families will leave a community until the land is clear for construction. Ecosystems could be in danger because there are no laws limiting land use. The vertices of and the endpoints of have integral coordinates. Identify allpossible ordered pairs for point so that .A; (2,4)B: (-5,4)C: (-5,-5)D: (-4,5)E: (1,4)F: (1,-5)