in liver cells, the inner mitochondrial membranes are about 5 x bigger than compared to the outer mitochondrial membranes. these inner mitochondrial membranes are about 17 x bigger than the cells plasma membrane. what purpose must this serve?
Answers
The significant size difference between the inner mitochondrial membranes and the outer mitochondrial membranes, with the inner membranes being about 5 times larger, and their even greater size compared to the cell's plasma membrane (approximately 17 times bigger).
The inner mitochondrial membranes, known as cristae, are highly folded structures that provide a larger surface area for essential metabolic processes like oxidative phosphorylation and ATP synthesis. The increased surface area allows for the localization of enzymes and transport proteins involved in these energy-generating processes, ensuring efficient ATP production. The size difference between the inner and outer mitochondrial membranes, as well as their larger size compared to the cell's plasma membrane, helps accommodate the extensive folding of the inner membranes and optimize energy production in liver cells.
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Related Questions
Plzzz help How does the Lampsilis Mussel complete its life cycle?
Answers
Answer:
It completes it's life cycle at the adult stage, where it releases glochida which attaches to the gills of fish
Explanation:
Mussels start out as glochida, metamorphosizing into juveniles, to grow into adult mussels. Males release sperm, taken in by females for thier eggs, and the eggs become glochida.
What's the function of incisors and canines
Answers
Canines : tears down the food into further smaller pieces
PLEASE HELP ASAPPPP
The question for this is: Four substances are involved in both photosynthesis and cellular respiration. They are sugars, water, oxygen, and carbon dioxide. Energy is also transformed from one type to another. Describe what happens to these four substances, light energy, and chemical energy during photosynthesis. Then write a simple equation for the substances and another for energy, using words and arrows to illustrate these changes.
My friends answer is:
Photosynthesis is the process by which plants use light energy to convert water and carbon dioxide into sugars and oxygen. During photosynthesis, light energy is absorbed by the plant and converted into chemical energy. The water and carbon dioxide are broken down into their component parts, and the oxygen is released into the atmosphere. The sugars are stored in the plant for later use. The equation for photosynthesis can be represented as light energy + water + carbon dioxide → sugars + oxygen. The equation for energy transformation can be represented as light energy → chemical energy.
D u m b it down to make it look like an 8th grader wrote it pls and thank u
Answers
Plants employ the process of photosynthesis to transform water and carbon dioxide into carbohydrates and oxygen.
Light energy is absorbed by the plant during photosynthesis and transformed into chemical energy. The oxygen is released into the environment, while the water and carbon dioxide are disintegrated into their component elements.
In the plant, the sugars are kept for future use. It is possible to write the photosynthesis equation as follows:
Light energy + water + carbon dioxide → sugars + oxygen.
Light energy → chemical energy can be used to describe the energy transformation equation.
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What type of power does this structure produce?
A. Geothermal
B. Nuclear
C. Wind
D. Hydroelectric
Answers
Answer:
D. Hydroelectric
Explanation:
The given structure is of a dam where Hydroelectricity is produced.
Which process requires the presence of oxygen to release energy?
Answers
Answer:
Cellular Respiration
Explanation:
During convection, hot material then moves to the side and . This circular pattern is called a convection current.
Answers
the answer of the missing blank is: it cools then sinks
What type of cell is pictured on the right?A). EukaryoticB). ProkaryoticPlease Answer ASAP
Answers
Cells can be divided into prokarytic and eukaryotic
What substances are in water, and where do they come from?
Answers
Answer:
Hydrogen and Oxygen
Explanation:
They are found in the atmosphere or they exist in gaseous, liquid or solid form
In pea plants, the allele for yellow seeds (Y) is dominant and the allele for
green seeds (y) is recessive. Two plants with the following genotypes are
crossed:
YY x Yy
What ratio of yellow seeds to green seeds should you expect in the offspring?
A. 2:2
B. 3:1
C. 1:3
D. 4:0
Answers
Answer: B: 3:1
Explanation: The first pair of alleles are homologous, consisting of both dominant yellow seeds, while the other pair is heterozygous with one yellow seed and one green seed. This would make the genotype 75% yellow and 25% green, or 3:1
Which describes a scenario that would most likely use an inhibitor?
1.During activity, sugar is converted to energy.
2.When at rest, the body stores sugar.
3.After a meal, protein digestion occurs in the stomach.
4.Before a meal, digestive juices are preparing for food.
Answers
Answer:
Before a meal, digestive juices are preparing for food.
Explanation:
Digestion is performed by enzymes that are activated only at the time of digestion, before and after they are inhibited with inhibitors so that they do not trigger gastritis and even stomach perforations.
Answer:
B. When at rest, the body stores sugar.
Explanation:
I took the test and got it right. :) I hope it helped
A shoreline's first line of defense against hurricanes is
Answers
Answer:
Mangroves
Explanation:
Ruffled trees that grow on the north Atlantic coast of Florida. Mangroves are rapidly adapting to climate change. When an area becomes hospitable, its seed, which can float away for a long time, soon begins to germinate and take root in it. They represent a unique ecosystem and usually grow in shallows near the coast.
Adaptive melanism describes selection for
a. mottled pigmentation
b. lighter pigmentation
c. darker pigmentation
d. more colorful pigmentation
Please select the best answer from the choices provided
A
B
С
Answers
Answer:
Its C
Explanation:
Adaptive melanism describes selection for darker pigmentation fade away within 6 to 12 months.
The correct answer is C
Why do pigmentations occur?Skin cells create a pigment called melanin that gives skin its color. If the skin cells are damaged or ill, they could produce too much melanin. There can be a melanin deposit there, giving it a darker appearance.
What is the most effective pigmentation therapy?If you want to reduce pigmentation more quickly than with microdermabrasion, you might want to consider dermabrasion. The results are best on lighter skin. All skin types, however, are susceptible to further hyperpigmentation as just a result of the operation. After around eight weeks, the hyperpigmented spots that have just appeared may lighten.
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The list shows some of the livestock being raised in South Dakota.
Annual Livestock Inventory in South Dakota
•
3.7 million cattle and calves
1.4 million hogs and pigs
91,000 dairy cows
•
285,000 sheep and lambs
38,000 bison
D
Based on these data, which type of livestock is least likely to be raised in
large-scale industrial livestock production in South Dakota?
O A. Beef cows
• B. Bison
• c. Sheep and lambs
• D. Dairy cows
Answers
As per the given data, Beef cows a type of livestock is least likely to be raised in large-scale industrial livestock production in South Dakota. The correct option is A.
What is livestock?With the exception of poultry, livestock refers to farm animals. Cattle, sheep, pigs, goats, horses, donkeys, and mules predominate in Western countries; other animals, such as buffalo, oxen, llamas, or camels, may predominate in other areas' agriculture.
As per the given data, Beef cows a type of livestock is least likely to be raised in large-scale industrial livestock production in South Dakota.
Thus, the correct option is A.
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Based on the diagrams above, what is the percent change in the amount of runoff in urban areas compared to forested areas?
Answers
Answer:
It’s D
Explanation:
450 % change occur in the amount of runoff in urban area as compared to forest area.
Percent change450 % is the percent change in the amount of runoff in urban areas as compared to forested areas. We can see in the diagram that in forest area only 10% is runoff water while some is absorbed by the soil and other evaporated in the air.
While on the other hand, in urban area 55% of water leaves the area through runoff which is 45 % higher than forest area so when we put these values in the formula of percent change we get 450 % so we can conclude that 450 % change occur in the amount of runoff in urban area as compared to forest area.
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From which hot spot would you view Polaris at an altitude of 45 degrees?
Answers
Answer:
Massena, New York
Explanation:
Polaris is most popularly known as the North star. It is also famous by the name of "Pole Star". It is the closet to the north celestial pole. At present it is the northern pole star currently.
It is found in the constellation of Ursa Minor. It is the one of the brightest star seen in the night sky. It is considered the star of the second magnitude which is situated close to the heaven's north pole.
The altitude of the Pole star or the Polaris when an observer is at the Tropic of Cancer is measured at 23.5 degree. While if the observer sees the Pole star at its zenith, the observer is located at the North Pole. i.e. 90 degree.
And the spot from where the observer views the Polaris at 45 degree altitude is Massena, New York.
True or False: An Inoculation Loop is a tool used when transferring/culturing bacteria. *
Answers
Answer:
Yes this fact is true
Explanation:
I hope this helps
which statement describes p waves
Answers
Answer:
There’s no picture
Explanation:
Answer:
They Vibrate From Side To Side, Hope this helps!!
Explanation:
crocodile comparison to human arm in function
Answers
in this graphic representation of the pajamo study, the addition of lactose to the medium resulted in the
Answers
In this graphic representation of the pajamo study, the addition of lactose to the medium resulted in the resumption of the synthesis of β-galactosidase.
Lactose is a sugar that is naturally found in milk and milk products. It is a disaccharide composed of glucose and galactose, and is commonly referred to as milk sugar. Lactose plays an important role in the nutrition of young mammals, providing energy and promoting the growth and development of bones and tissues.
Lactose intolerance is a common condition where individuals lack the enzyme lactase, which is required to break down lactose into its component sugars for absorption in the small intestine. This can result in digestive symptoms such as bloating, gas, and diarrhea when consuming dairy products. Lactose is also commonly used in food manufacturing as a sweetener, texturizer, and bulking agent, and is added to a variety of processed foods such as baked goods, cereals, and snack foods.
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which is the correct sequence of events in the transmission of an impulse across a chemical synapse?
Answers
The correct sequence of events in the transmission of an impulse across a chemical synapse is:
The membrane becomes depolarized, causing voltage-gated calcium channels to open.The opening of calcium channels triggers the release of synaptic vesicles which contain neurotransmitters.The neurotransmitters diffuse across the synaptic cleft, binding to receptor proteins on the postsynaptic membrane.The binding of neurotransmitters to the receptor proteins triggers an electrical signal in the postsynaptic membrane.Correct answer: letter C.
The transmission of an electrical impulse across a chemical synapse is a process that involves several steps. When an electrical impulse reaches a synapse, the membrane becomes depolarized, which signals the opening of voltage-gated calcium channels.
This allows calcium ions to enter the neuron, triggering the release of synaptic vesicles which contain neurotransmitters. The neurotransmitters diffuse across the synaptic cleft, and bind to receptor proteins on the postsynaptic membrane. The binding of neurotransmitters to the receptor proteins triggers an electrical signal in the postsynaptic membrane, which then passes the impulse on to the next neuron.
This process is how information is transmitted across neurons, and is essential for the functioning of the nervous system.
Which one of the following is the correct sequence of events that follows in a Synaptic Transmission of Nerve impulse _____.
1. The membrane becomes depolarized
2. Voltage Calcium channels open
3. Release of Synaptic Vesicles
4. Diffusion of neurotransmitter across the synaptic cleft, binding to receptor proteins on the postsynaptic membrane.
A) 2,1,4,3
B) 3,2,4,1
C) 1,2,3,4
D) 4,1,3,2
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In the absence of glucose and the presence of lactose, where is the lac repressor bound?.
Answers
In the absence of glucose and in the presence of lactose, the lac repressor is bound to the allolactose, and the lac operon can start.
What is the lac operon?A lac operon is an inducible operon that is activated in the presence of lactose in the outer surroundings of the bacteria. Operon is a series of genes present in the bacterial DNA.
When the lactose is present, the repressors move to bind the allolactose, and as a result, the RNA polymerase can access the lac operon. The repressor has more affinity for allolactose than the operator. RNA polymerase, along with cAMP and CAP proteins, initiates the transcription of lac operon. The transcript has genes for galactosidase, permease, and transacetylase.
Hence, in the absence of glucose and in the presence of lactose, the lac repressor is bound to the allolactose.
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which of the following statements is correct? meiosis involves two divisions and produces four nonidentical daughter nuclei meiosis involves one division and produces two nonidentical daughter nuclei mitosis involves one division and produces two nonidentical daughter nuclei mitosis involves two divisions and produces four identical daughter nuclei
Answers
The correct statement is: Meiosis involves two divisions and produces four nonidentical daughter nuclei.
Meiosis is a specialized type of cell division that occurs in sexually reproducing organisms. It involves two consecutive divisions, known as meiosis I and meiosis II, resulting in the production of four daughter cells called gametes.
The purpose of meiosis is to generate genetic diversity and reduce the chromosome number by half.
During meiosis I, the homologous pairs of chromosomes align and exchange genetic material in a process called crossing over. This results in the shuffling and recombination of genetic information between homologous chromosomes.
The pairs of homologous chromosomes then separate, with each daughter cell receiving one chromosome from each pair.
Meiosis II is similar to mitosis, where the sister chromatids of each chromosome separate, resulting in the formation of four haploid daughter cells.
These daughter cells are genetically nonidentical due to the crossing over and independent assortment of chromosomes during meiosis I.
In contrast, mitosis involves one division and produces two identical daughter nuclei. It is responsible for growth, repair, and asexual reproduction, where the daughter cells inherit an identical copy of the genetic material from the parent cell.
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Based on your understanding of evolution, how could you explain why some flowers look like the insects (or birds) that are their primary pollinators? Please help
Answers
a gene fusion where the regulatory region of one gene is fused to the open reading frame of another gene whose protein product is easy to detect.a preferred sugar prevents transcription of a sugar-metabolizing operon.a protein that changes its conformation upon binding to another molecule, such as a repressor that binds toan inducer.stimulation of transcription by a specific molecule. prevention of gene expression by a specific protein that binds to an operator.a cluster of genes transcribed together into a single mrna and regulated as a group.premature termination of transcription in response to translation of an rna leader.an untranslated region at the 5' end of a bacterial mrna.a strain that synthesizes curtain enzymes regardless of environmental conditions.
Answers
A gene fusion where the regulatory region of one gene is fused to the open reading frame of another gene whose protein product is easy to detect reporter gene.
A gene created by combining sections of two different genes. Fusion genes and the fusion proteins that result from them can be created in the laboratory or naturally in the body when a piece of DNA from one chromosome moves to another. The most common type of mutation is gene fusions or translocations caused by chromosomal rearrangements. They result in chimeric transcripts or gene deregulation due to the juxtaposition of novel promoter or enhancer regions.
A reporter gene is an exogenous coding region that is linked to a promoter sequence or element in an expression vector and introduced into cells to provide a means of measuring promoter activity.
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How do you list all rational roots?.
Answers
According to the rational root theorem, if you divide all of the constant term factors in a polynomial by all of the main coefficient factors, you will get a list of all of the polynomial's potential rational roots.
Step 1: Using the rational zero theorem, It to compile a list of every conceivable rational zero.
Step 2: Replace each of the values from Step 1 in f(x) and determine which value would cause f(x) to equal 0. The real rational zeros will result from this.
Step 3: Subtract each of the real rational zeros from Step 2 from the supplied polynomial.
Step 4: Find the quotient of the aforementioned division and set it to zero. To determine the additional zeros, solve the resulting equation.
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Selenium is a trace mineral that is part of the structure of certain proteins. One of these proteins is an antioxidant enzyme that neutralizes peroxides before they can form free radicals. What is the name of this protein?.
Answers
The selenocysteine (Sec) amino acid must be specifically incorporated into proteins under the control of the UGA codon, which is also a termination codon, in order to produce selenoproteins.
Selenium (Se) is a crucial trace element, and studies have shown that people who have low levels of it have an increased risk of developing diseases including cancer and heart disease.
Se research has gained a lot of attention lately because to its crucial function in antioxidant selenoproteins for defense against oxidative stress brought on by an excess of reactive oxygen species (ROS) and reactive nitrogen species (RNS) (NOS).
The recommended daily allowances for Se have been established in many nations out of concern for potential deficiency disorders linked to low Se status. However, if Se use is not carefully regulated, excessive Se intakes through supplementation and its possible misuse as a health therapy could also pose a danger of negative health impacts.
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Why were railroads a negative place for immigrants to work?
a. The company did not pay immigrants.
b. Racial hatred led to immigrants being repeatedly abused and beaten.
c. Chinese and Irish immigrant workers were used to do dangerous jobs and fast, unsafe paces.
Answers
Railroads were a negative place for immigrants to work due to racial hatred leading to abuse and beatings, and the utilization of Chinese and Irish immigrant workers for hazardous tasks at fast and unsafe paces.
Railroads during the period when immigrants were heavily involved in their construction and operation were often marked by unfavourable conditions for these workers. Racial hatred played a significant role in making railroads a negative place for immigrants. Immigrants, particularly Chinese and Irish workers, were frequently subjected to abuse and beatings due to prejudice and discrimination. They faced hostility and violence from their coworkers and even the general public, which made their work environment highly challenging and hostile.
Additionally, railroads exploited Chinese and Irish immigrant workers by assigning them to perform dangerous jobs and work at fast, unsafe paces. These immigrants were often tasked with the most hazardous and physically demanding tasks, such as handling explosives, working at great heights, and enduring gruelling work schedules. The companies took advantage of their vulnerability and willingness to work for lower wages, disregarding their safety and well-being.
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In the context of the study of human development, ________ refers to an organism's environmental experiences, while ________ refers to its biological inheritance.
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In the context of the study of human development, nurture refers to an organism's environmental experiences, while nature refers to its biological inheritance.
Human development is defined as real freedom the ordinary people have where they want to decide who they want to be, what they want to be and how they should live.
The life experiences or upbringing of an individual more generally is termed as nurture. It is the outcome of the relation between the environmental factors and psychological factors of an individual which are caused environmentally.
The genetical and the inherited traits which determine a person's behavior is known as nature. These are the traits which is inherited to the individual from origin.
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The pedigree below depicts a dominant trait. What is the genotype of individual I-1 (use the letter A for a dominant allele and a for a recessive allele)? How did you come to this conclusion? Using your best grammar, write 3-5 sentences.
Answers
Individual I-1 is heterozygous (Aa) for the dominant trait. This is because they have a child (II-1) who is homozygous recessive (aa). The only way for this to happen is if individual I-1 is heterozygous.
What is the conclusion on the pedigree?Pedigree analysis: A pedigree is a diagram that shows the inheritance of a trait from parents to offspring. In this pedigree, the dominant trait is represented by a solid symbol and the recessive trait is represented by an open symbol.
Genotype: The genotype of an individual is their genetic makeup, or the combination of alleles that they have for a particular trait. The phenotype of an individual is their physical appearance, which is determined by their genotype and the environment.
Heterozygous: An individual is heterozygous for a trait if they have one dominant allele and one recessive allele. This means that they have the potential to express the dominant trait, but they may also express the recessive trait if they are in an environment that is not favorable for the dominant trait.
Homozygous: An individual is homozygous for a trait if they have two copies of the same allele for that trait. This means that they will always express the trait, regardless of the environment.
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Hydrogen bonds can form between regions of polar molecules that are
A- negatively charged
B- non-polar
C- oppositely charged
D- uncharged (Neutral)
Answers
Answer:
c
Explanation:
Answer:
I belive it is B or D
Explanation: Hope Dis Helped :D UWU