How could membrane fluidity be maintained in human cell membranes as the temperature decreases

Answers

Answer 1

Answer:

"At low temperatures it increases membrane fluidity by preventing fatty acid hydrocarbon chains from coming together and crystallizing."

Explanation:


Related Questions

Look at DNA, a polymer, and nucleotide, a monomer, on the nucleic acid page. There are sugar molecules within these structures. How many sugar molecules are in DNA and the nucleotide?

Answers

one, one sugar molecule in each nucleotide

Answer: 1 sugar molecule

Explanation:

The basic building block of DNA is called a NUCLEOTIDE. A nucleotide is made up of one sugar molecule, one phosphate molecule and one of the four bases.

The power of DNA????

Answers

The DNA controls every cell process and the ways in which our cells communicate and work together creating our unique individual design. The same DNA is within every cell in our body.

CAN SOMEONE PLEASE HELP ME ON THIS QUESTION ASAP!!!!!! GIVING 12 POINTS AWAY!!!!!

CAN SOMEONE PLEASE HELP ME ON THIS QUESTION ASAP!!!!!! GIVING 12 POINTS AWAY!!!!!

Answers

Answer:

xylem

Explanation:

I answered this question for a warm up in plant science

Based on this pedigree, which female is least likely to have sons who have hemophilia?
female 2
female 4
female 8
female 9

Based on this pedigree, which female is least likely to have sons who have hemophilia?female 2female

Answers

Answer:

female 8

Explanation:

Answer:

A. Female 2

Explanation:

which statement best describes the relationship between the white and gray matter in the spinal cord? multiple choice the gray matter wraps around the white matter. the gray matter is shaped like an h and is surrounded by the white matter. the gray matter forms a thick layer on the outside of a thin layer of white matter. the gray and white matter is mixed together forming a checkered appearance.

Answers

The correct answer is: The gray matter is shaped like an H and is surrounded by the white matter.

In the spinal cord, the gray matter is centrally located, while the white matter surrounds it. The gray matter forms a butterfly or H-shaped structure, with the wings of the H extending towards the posterior and anterior regions of the spinal cord. The gray matter contains cell bodies of neurons and is involved in processing and integrating sensory and motor information.

On the other hand, the white matter consists of myelinated nerve fibers (axons) that form bundles called tracts. These tracts transmit signals between different levels of the spinal cord and between the spinal cord and the brain.

So, the gray matter in the spinal cord is indeed shaped like an H and is surrounded by the white matter.

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A population of a wild animal is a frequent target for hunters. Hunters tend to hunt the larger animals with big horns. How might this affect the populations in the wild?
A.
Animals with average horns will increase in number.
B.
Smaller animals with a trait for short horns will become endangered.
C.
Traits for larger animals with big horns will be selected.
D.
Traits for smaller animals with short horns will be selected.
Reset

Answers

Answer:

D. Traits for smaller animals with short horns will be selected.

Explanation:

The process of natural selection will favour those individuals that possess the combination of characteristics that are most likely to survive and reproduce. As the hunters tend to target the larger animals with big horn, smaller animals with short horns will have better chances of survival so the traits for short animals with short horns will be selected.

Compare and contrast changes in the Pacific Ocean caused by El Niño and La Niña.

Do you think El Niño or La Niña creates more favorable weather changes in the United States? Defend your answer.

Answers

El Niño and La Niña are opposite phases of the El Niño-Southern Oscillation (ENSO) cycle, which is a fluctuation in sea surface temperature in the Pacific Ocean.

What is El Nino and La Nina?

El Niño results in warmer than normal sea surface temperatures in the central and eastern Pacific Ocean, which can lead to changes in atmospheric circulation patterns and increased rainfall in some regions, such as South America and Australia, and decreased rainfall in others, such as the western United States and southeast Asia.

La Niña, on the other hand, results in cooler than normal sea surface temperatures in the central and eastern Pacific Ocean and can result in changes in atmospheric circulation patterns leading to increased rainfall in some regions, such as the western United States and Indonesia, and decreased rainfall in others, such as Australia and southern South America.

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is it likely that rna molecules functioned as ribozymes to synthesize dna from aminoacids, and that this role was reversed when dna became the information source?

Answers

RNA molecules do not synthesize DNA from amino acids, but they can serve as ribozymes in the reverse transcription of RNA to DNA, and they play a crucial role in protein synthesis as part of the ribosome.

The RNA molecule acts as a template for synthesizing DNA through reverse transcription, which is an RNA-dependent DNA synthesis reaction. RNA molecules may also serve as ribozymes in this scenario. Ribozymes are RNA molecules that function as enzymes, catalyzing various chemical reactions in the cell, just like enzymes made up of proteins. Some ribozymes can use RNA templates to synthesize new RNA molecules, while others can use RNA templates to synthesize DNA molecules.Since DNA contains genetic material and information, it became the primary source of genetic information in organisms, while RNA remained involved in catalyzing biochemical reactions. The RNA world hypothesis suggests that RNA preceded DNA in early life on Earth, serving both as genetic material and a catalyst for the formation of other molecules necessary for life.

The discovery of ribozymes has provided evidence that RNA may have played an even more prominent role in early life than previously thought. RNA molecules do not synthesize DNA from amino acids. Instead, ribosomes, which are made up of RNA and proteins, synthesize proteins from amino acids. RNA templates are used by ribosomes to direct the assembly of amino acids into the appropriate order to produce a functional protein. In summary, RNA molecules do not synthesize DNA from amino acids, but they can serve as ribozymes in the reverse transcription of RNA to DNA, and they play a crucial role in protein synthesis as part of the ribosome.

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Is manned space travel worthwhile or is it better to use robots? Explain your reasoning

Answers

Answer:

in my opinion id say its better to use robots because they can capture everything and do the same thing as a man but even better.

Explanation:

Briefly summarize the difference between Kinetic and Potential Energy

Answers

Potential energy is stationary , with stored energy to be released

kinetic energy is energy in motion (using energy for movement)


Kinetic energy can be transferred from one moving object to another, say, in collisions. Potential energy cannot be transferred. Flowing water, such as when falling from a waterfall. Water at the top of a waterfall, before the precipice.

Considering the role of the chemoreceptor in the regulation of the respiration rate, the most important stimulus that induces changes in ventilation is:

Answers

Considering the role of the chemoreceptor in the regulation of the respiration rate, the most important stimulus that induces changes in ventilation is the level of carbon dioxide (CO2) in the blood detected by the chemoreceptors.

Chemoreceptors are specialized cells that detect changes in chemical composition, such as oxygen and carbon dioxide levels, and send signals to the brain to adjust the respiration rate. In response to high levels of CO2, the chemoreceptors trigger an increase in respiration rate to remove excess CO2 and maintain homeostasis. Therefore, the regulation of respiration rate is largely dependent on the detection of chemical stimuli by the chemoreceptors.

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Please help me these questions.

Are plant-based meat substitute poducts just a passing fad? How likely is it that an attractively large percentage of the world’s consumers will switch away from eating animal meats to mostly or wholly eating plant-based meat substitutes instead of animal meat?
What is your assessment of the strength of the competitive forces Beyond Meat faces? Do a five-forces analysis to support your answer.
What are the key success factors for Beyond Meat and the other makers of plant-based meat substitutes?

Answers

Plant-based meat substitute products are not just a passing fad and have a high likelihood of attracting a significant percentage of consumers worldwide away from animal meats.

Beyond Meat faces strong competitive forces, but its success is supported by factors such as innovation, brand recognition, distribution partnerships, and increasing consumer demand for plant-based meat substitutes.

Plant-based meat substitute products are not just a passing fad because they have gained significant traction and popularity in recent years. This is due to increasing awareness of the environmental impact of animal agriculture, concerns about animal welfare, and a growing demand for healthier and more sustainable food options. These products have evolved to offer taste, texture, and nutritional profiles that are increasingly comparable to traditional animal meat. As a result, there is a high likelihood that a significant percentage of consumers worldwide will switch to mostly or wholly consuming plant-based meat substitutes instead of animal meat.

Beyond Meat faces strong competitive forces in the market for plant-based meat substitutes. However, the company has established a strong position due to several key factors.

First, Beyond Meat has been at the forefront of innovation in developing plant-based meat substitutes that closely mimic the taste and texture of animal meat. This has helped them build a strong brand and gain recognition among consumers.

Second, the company has formed strategic partnerships with various distribution channels, including supermarkets, restaurants, and fast-food chains, which has helped expand its reach and availability.

Third, the increasing consumer demand for plant-based meat substitutes, driven by factors like environmental consciousness and health concerns, provides a favorable market environment for Beyond Meat and other makers of plant-based meat substitutes. These key success factors contribute to the strength of Beyond Meat's competitive position.

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If an organism's haploid number is 5, its diploid number is what ?

Answers

Answer:

diploid will be 10

Explanation:

diploid means 2×

Is groundwater always cleaner than surface water?

Answers

(つ ^-^ )つ Hey There!

Answer : Groundwater is generally much cleaner than surface water. So      ✨Yes✨

Why : Groundwater is less susceptible to pollution than surface water because as water enters the ground, the soil and rocks naturally filter much of the water as it passes through the ground.

✨Hopes this Helps!✨

The pyrimidine found in both dna and rna is __ ___. the pyrimidine found only in dna is __ ___ while the pyrimidine found only in rna is __ ___.

Answers

The pyrimidine found in both dna and rna is cytosine. The pyrimidine found only in dna is thymine while the pyrimidine found only in rna is uracil.

Cytosine is one of the four nucleotide bases in DNA. Within a double-stranded DNA molecule, cytosine bases on one strand pair with guanine bases on the opposite strand. The sequence of the four nucleotide bases encodes DNA's information

Thymine helps stabilize nucleic acid structures

Uracil help carry out the synthesis of many enzymes necessary for cell function through bonding with ribose and phosphates.

Adenine and guanine will be the two primary varieties of purine. These both happen in both DNA as well as RNA. Only one of the three primary pyrimidine types cytosine is present in both DNA as well as RNA. The other two were uracil, which only occurs in RNA, and thymine, which only occurs in DNA.

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which word below has the same morphological structure and affix type (if any) as the following word: older

Answers

The word "younger" has the same morphological structure and affix type as the word "older." Both words are comparatives and use the affix "-er" to indicate a higher or lower degree of the quality being compared.
The word with the same morphological structure and affix type as "older" is "taller.

" Both words contain a base ("old" and "tall") and an inflectional suffix ("-er") that indicates the comparative form. This morphological structure allows us to compare two items based on their age or height, respectively.

In summary, "older" and "taller" share the same morphological structure and affix type, demonstrating how English forms comparative adjectives.

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Which of the following explains why record-keeping guidelines are included in a safety plan packet?
O so workers' families can be given correct compensation for accidents
O so workers can know what accidents have happened in the past
O so safety officials can ensure that all guidelines are being followed
O so employers can know which employees are more accident-prone

Answers

Answer:

(A) So safety officails can ensure that all guidlines are being followed.

Explanation:

Im always right.

Which of the following explains why record-keeping guidelines are included in a safety plan packet?O

The _____ line is a thin transverse protein meshwork structure in the center of the H zone of a relaxed muscle fiber.

Answers

Answer:

M-line

Explanation:

The m-line is the dark line across the center of a relaxed muscle fiber.

The ______ receives lymph from the right side of the head, neck, and thorax, and from the right upper limb.

Answers

Answer: the right lymphatic duct

Explanation:

In the chemical equation for photosynthesis, carbon dioxide and water are converted to glucose and oxygen
6CO2 + 6H20 - CH2O +602
Which component could be added to complete this chon

Answers

Explanation:

because c how JavaScript help guidev. your house he hasn't gotten help gettingg

what are the complementary base pairings

Answers

Answer:

Complementary base pairing is the phenomenon where in DNA guanine always hydrogen bonds to cytosine and adenine always binds to thymine. The bond between guanine and cytosine shares three hydrogen bonds compared to the A-T bond which always shares two hydrogen bonds.

which substance begins inside the cell​

Answers

Answer: Cytoplasm

Explanation: Cytoplasm is the gelatinous liquid that fills the inside of a cell

In four to eight sentences, trace the flow of carbohydrate macromolecules through a rain forest ecosystem. State how the marcomolecules are produced, how they are passed along, and what they are eventually used for. In your answer, give specific examples of macromolecules.

Answers

Answer:

Carbohydrate is a big source of energy for all living organism on this planet.

Explanation:

The carbohydrate which is a macro-molecule is produced by the producer such as trees and shrubs etc in the process of photosynthesis. These carbohydrates transfer to the primary consumer such as monkey who eat these plants. When the secondary consumer such as jaguar  eat these primary consumer, this carbohydrate again transfer from one organism to another organism. This carbohydrate is a source of energy which is broken down in the stomach into glucose and this glucose is absorbed by the cells and releases energy by mitochondria in the form of ATP. This energy is used in various activities such as walking, running and breathing etc. Carbohydrate, proteins and fats are the examples of macro-molecules.

Answer:

hi

Explanation:

Using your answers from Part 2, trace the path that energy flows in the ecosystem. What evidence does this give you about where energy in an ecosystem comes from?

Reminder: In guinea pigs, black eyes (BB, Bb) are dominant to red eyes (bb) Short hair (HH, Hh) is dominant to long hair (hh)

6. A guinea pig with long hair (hh) is crossed with one that has short hair (HH). Set up the Punnett square below.

What percentage of the offspring will have have short hair?

7. A guinea pig with long hair (hh) is crossed with one that has short hair (Hh). Set up the Punnett square below.

What percentage of the offspring will have have short hair?

7. A guinea pig with black eyes (8 b) is crossed with one that also has black eyes (Bb).

Set up the Punnett square below.​​

Answers

Answer:

Explanation:

to make a punnet square, you firs evaluate how many traits you want to find the probability of. In this case , we have two so it’s a square divided into 4 sections. Place the set of one trait on the vertical side and the other bit the horizontal. Then, combine with the dominant trait first(capitalized letter). Then you just count the probability.

Reminder: In guinea pigs, black eyes (BB, Bb) are dominant to red eyes (bb) Short hair (HH, Hh) is dominant
Reminder: In guinea pigs, black eyes (BB, Bb) are dominant to red eyes (bb) Short hair (HH, Hh) is dominant
Reminder: In guinea pigs, black eyes (BB, Bb) are dominant to red eyes (bb) Short hair (HH, Hh) is dominant

8 The following diagram shows one way a mutation can form during DNA
replication.
T с G T
HAHAHHAREM
А
T А G
А T А G
T
T C
C substitution
D transcription
Original molecule
What kind of mutation has occurred during the DNA replication shown in the
diagram?
A deletion
B insertion
А
New molecule

8 The following diagram shows one way a mutation can form during DNAreplication.T G THAHAHHAREMT G T

Answers

A substitution mutation occurs when one nucleotide in DNA is replaced by another. This can happen during DNA replication, when the wrong nucleotide is added to the growing strand. Option (C) is the correct answer.

The diagram shows an example of a substitution mutation, where a cytosine (C) is replaced by a thymine (T). This can result in a different amino acid being incorporated into the protein being synthesized, which can have a significant impact on the function of the protein.

Substitution mutations can be either silent, meaning they do not change the amino acid sequence, or they can be missense or nonsense mutations, which do result in a change to the amino acid sequence.

The impact of a substitution mutation on an organism depends on the specific gene affected and the role of the protein it codes for. Option (C) is the correct answer.

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19. Salinization may be caused by
a. crop rotation.
b. long-term irrigation.
c. high rainfall.
d. All of the above

Answers

Answer:

The correct answer is A. crop rotation.

Explanation:

Hope this helps :)

A painter mixed 1/9 quart of red paint with 8/9 quart of blue paint to make purple paint.How much purple paint did the painter make? The painter made quart of purple paint.

Answers

Answer:

Purple paint = 1 quart

Explanation:

Red paint = 1/9 quart

Blue paint = 8/9 quart

Purple paint = Red paint + blue paint

= 1/9 quart + 8/9 quart

= (1+8)/9 quart

= 9/9 quart

= 1 quart

Purple paint = 1 quart

The painter made 1 quart of purple paint.

Answer:

Explanation:Yes

Place where optic nerve fibers cross in the brain:
a. Optic disc
b. Optic chiasm
c. Retina
d. Olfactory lobe
e. Cerebral cortex

Answers

The correct answer to this question is b. Optic chiasm. The optic chiasm is the point in the brain where the optic nerves from each eye cross over each other.

This is located at the base of the brain, just below the hypothalamus. At this point, the fibers from the nasal (inner) half of each retina cross to the opposite side of the brain, while the fibers from the temporal (outer) half remain on the same side of the brain. This allows the brain to combine the visual information from each eye to create a single image with depth and dimensionality. The optic chiasm is an important anatomical landmark in the visual pathway, and damage or abnormalities at this site can cause a variety of visual impairments. For example, damage to the nasal fibers at the optic chiasm can result in a loss of peripheral vision in both eyes, while damage to the temporal fibers can cause a loss of vision in only one eye. Overall, the optic chiasm plays a crucial role in visual perception and is a key area of study for neuroscientists and ophthalmologists alike.

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True or False. Once the epiphyseal plate fuses and forms an epiphyseal line, the long bone continues to grow in length but at a slower rate.

Answers

It is untrue that the long bone continues to lengthen, albeit slowly, after the epiphyseal plate fuses and forms an epiphyseal line.

An epiphyseal line is an epiphyseal plate that has to enhance bone. The process of it made from an epiphyseal plate is chosen epiphyseal seal. In adult persons, it marks the point of mixture 'tween the epiphysis and the principles.

The epiphyseal plate is a thin cartilaginous line situated as a bound betwixt the main long part of something domain and the terminal epiphysis domain. This piece of animate skeleton admits the tumor of cartilage. Hence, it is erect only in cartilage enduring development. In contrast, the epiphyseal line means that cartilage development has been blocked.

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Which feature increases the absorption of glucose in the small intestine

Answers

Answer:

The correct answer is villi.

Explanation:

The carbohydrates consumed by human beings are further dissociated into its mono forms, that is, fructose, glucose, and galactose. Of these monosaccharides, about 80% is glucose, which gets absorbed with the assistance of absorptive cells in the small intestine. In the walls of the small intestine, the food after digestion is passed into the blood vessels via the process of diffusion.  

The mucosa or the inner wall of the small intestine is enveloped by finger-like tissues known as villi that further comprise microscopic finger-like outcrops called microvilli. These villi and microvilli enhances absorption of nutrients as they increase the surface area of the small intestine. Thus, the absorption of glucose within the small intestine is enhanced by the presence of villi.  

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