Cells lining the gut need to take in glucose, but at a certain time, the concentration of extracellular glucose is lower than the concentration already stored in the cells. What process is needed here?.
Cells lining the gut need to take in glucose, but at a certain time, the concentration of extracellular glucose is lower than the concentration already stored in the cells. Active transport.
By using cellular energy, active transport involves transporting molecules across a cell membrane. Passive transport is an alternative to active transport that solely moves molecules using kinetic energy.High concentrations of substances the cell needs, like ions, glucose, and amino acids, are typically accumulated during active transport.Active transport examples include the uptake of glucose in human intestines and the uptake of mineral ions into plant root hair cells.Active transportation is divided into two categories: Primary (direct) active transport entails using metabolic energy (such as ATP hydrolysis) directly to mediate transfer. Coupling a molecule with another while it travels through an electrochemical pathway is known as secondary (indirect) active transport.
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Which of the following determines how we interpret language? a. culture and location b. context and education c. culture and education d. context and culture Please select the best answer from the choices provided A B C D
Answer:
Culture and education determine how we interpret language.
Explanation:
Give me brainliest if that helped :)
How did mendel’s monohybrid cross with round and wrinkled seeds and other single traits tested, directly contradict the blending hypothesis?.
In contrast to what blending theory would suggest, the F1 progeny of the cross between round and wrinkled pure breed cell lines had only round seeds.
In a monohybrid cross, neither allele is blended; both alleles are expressed in the F2 generation
What is the Monohybrid Cross crossing system?Two homozygous individuals with the opposite phenotype for a certain genetic trait make create a monohybrid cross. A cross between two monohybrid features (TT and tt) is referred to as a monohybrid cross. One gene is passed on by the monohybrid cross.
Heterozygotes do not display the characteristic linked to the allele. The genes that Mendel studied are either spread across various chromosomes or act as though they are.
The fact that each gamete only contains one allele serves as the foundation for the law of segregation.
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Which component of the blood is a part of the body’s immune system
Answer:
White blood corpuscles
Explanation:
The are made in the bone marrow along with red blood corpuscles. It moves along blood and into tissue looking for bacteria, fungi, parasite, virus etc., to destroy.
A chromosome has a gene sequence of jklmnop. a mutation of the chromosome results in a gene sequence of jklop. this type of mutation is best described as a ______.
This decribes the point mutations.
What is the difference between point mutation and chromosomal mutation ?Point mutation occur when a nucleotide is swapped for another nucleotide and can be missense , non sense or silent mutations. Chromosomal mutation occur when an abnormal number of chromosomes.
Point Mutation is a genetic alterations caused by the substitution of a single nucleotide for another nucleotide.
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How does water having high specific heat capacity and high heat of vaporization help life on earth?.
Which statement describes the general pattern of winds near the equator?
Answer:
Winds are generally weak because the equator is a region of mostly low air pressure.
Near the equator, the trade winds converge into a broad east to west area of light winds. The area is known as the doldrums because there are light winds.
Explanation:
Identify the terms and characteristics associated with prokaryotic cells (such as bacteria) and those associated with eukaryotic cells.
These are the terms and characteristics associated with prokaryotic cells and Eukaryotic Cells
What is a Nucleus?A cell's nucleus is a membrane-enclosed organelle that houses the chromosomes.The membrane that surrounds the nucleus separates the cytoplasm from the nucleus's contents.It is the DNA's residence. DNA contains the genetic information needed for the formation of various cell components as well as reproduction.Some critical cellular processes are also housed in the nucleus.Prokaryotic cells are defined by the following terms and characteristics: The nucleoid region of DNA, Circular chromosome, small cell size There are very few intracellular membranes.
Peptidoglycan-containing cell walls and Eukaryotic Cells: DNA within a nucleus Cells with a wide range of sizes, mitochondria, multiple membrane-enclosed organelles, and linear chromosomes.
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Given what you know about membrane fluidity and the research on oysters and mussels, what conclusions can you draw?
We compared lipid dynamics and physiological responses during simulated wintering and transition to spring conditions in the cold-adapted blue mussel Mytilus edulis and the warm-water species oyster Crassostrea.
To simulate overwintering, animals were housed at 0 °C, 4 °C, and 9 °C for 3 months, then gradually switched to 20 °C and held at 20 °C for 5 weeks under spring-summer conditions. was simulated. Changes in lipid class and fatty acid composition were associated with clearance rates and oxygen consumption. We found that there are large interspecies differences in intriglyceride (TAG) metabolism during wintering. Mussels used her TAG stores in the digestive glands for energy metabolism or reproductive processes during the winter, whereas oysters did not accumulate large TAG stores prior to wintering. His TAG in mussels contained higher concentrations of 20:5n-3 compared to oysters and diet. This helps offset the cold effect by lowering the melting point of TAG and increasing the availability of cold storage fat. Mussels appear to be able to mobilize 20:5n-3 and 18:4n-3 more than other fatty acids. We also found that both mussels underwent major remodeling of membrane phospholipids. Unsaturation indices decreased in the gills and digestive glands of both species during the early stages of warming, mainly due to decreases in 22:6n-3 and 20:5n-3. In the digestive glands, the desaturation index did not increase with decreasing temperature beyond a threshold reached at 9 °C, whereas it was completely negative in the gills, as predicted by the homeobiscus fit. ratio was observed. The presence of digestive enzymes and acids in the microenvironment of the digestive gland may create specific requirements for membrane stability.
However, That oysters had a lower metabolic rate than mussels, as predicted by Halbert's theory of membranes as metabolic pacemakers, is consistent with the lower desaturation index of their lipids.
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Specimens that are brought into an office and handed to the receptionist should be?
Specimens that are brought into an office and handed to the receptionist should be Handled using standard precautions.
The use of specimens that have not been properly collected, labeled, handled, or stored before and throughout the testing process compromises or even negates the validity of the test, according to a fundamental concept for all laboratory test procedures.1. When gathering and handling laboratory specimens, always use gloves and any other protective barriers that are recommended. 2. Put every laboratory sample in the proper primary container that is leak-proof (e.g. vacutainer tube, specimen cup, etc.). Always take general safety precautions when working with specimens. Wear the proper safety gear, including clothing and personal things. Never handle a tissue with bare hands, not even one made of fixed substance. The presence of hazardous substances in the laboratory must be remembered.learn more about specimens here: https://brainly.com/question/6814369
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What portion of the nervous system both delivers commands to the muscles directing voluntary movement and communicates information back to the central nervous system?.
Answer:
somatic nerves
Explanation:
found in quizlet flashcards
Somatic nerves deliver commands to the muscles directing voluntary movement and communicating information back to the central nervous system.
The somatic nervous system is the part of the peripheral nervous system that is associated with the voluntary movements of the body.
It involves the nerves that go into muscles and skin and control the conscious movements of our body.
The somatic nerves enable to control and movement of the muscles throughout the body.
It feeds information related to our senses such as sound, taste, touch, and smell, back to the central nervous system.
Our sense of touch also uses somatic nerves to send information back to the central nervous system.
Only sight sense is the exception because the optic nerve cells are directly connected with the brain.
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Several species of Anolis lizards live in the same types of tree and have a similar diet. Discuss resource partitioning to explain how interspecific competition is reduced
Resource partitioning is an ecological mechanism where two or more different species differentiate in ecological niches in order to coexist in the same region, which is in this case exploited by Anolis species.
What is resource partitioning?Resource partitioning can be defined as an ecological process in which similar species develop certain adaptations to cohabit a given geographic area, thereby having different niches but living in the same region.
In this case, Anolis species live in the same area and also eat the same resources but they have adapted to cohabit by avoiding any type of harmful competition and thus coexist.
In conclusion, resource partitioning refers to an ecological phenomenon where two or more species differentiate in their niches to cohabit in the same region, which is in this case exploited by Anolis species.
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Vibrio cholerae is an aerobic, non-spore-forming, gram-negative, bacillus. what does the aforementioned description tell you about the cell wall composition of vibrio cholera and regard to peptidoglycan?
A curved, non-spore-forming, facultatively anaerobic, Gram-negative rod with a length of 1.04–1.06 m is known as Vibrio cholerae. Cholera is an acute gastrointestinal disease that poses a serious health risk to people in developing countries. It is caused by a facultative human pathogen that is present in coastal waters.
The cell wall serves a variety of purposes. It is adaptable but gives the cell strength, assisting in preventing physical harm to the cell. Additionally, it provides the cell its shape and enables the organism to keep its overall shape. The cell wall can defend the cell from infections like bacteria that are attempting to enter. Numerous small molecules can pass through the cell wall due to its structure, but larger ones that could harm the cell cannot.
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what is one place on Earth where water
stays for a long time before changing or moving somewhere else?
Lakes
Atmosphere
Ocean
Ground
Plants
help me please
What happens to an onion cell after being in salt water then moved to pure water
Answer:
Vacuole within the onion cell expands, pushing the cytoplasm outwards
Explanation:
If an onion cell that is placed into an external solution whose solute concentration is lower (hypotonic), i.e. having less salt, than that of the cytosol (because it had previously been in a salty solution), the vacuole within the cell will expand, pushing the cytoplasm outwards.
Onsidering that gluconeogenesis requires a net input of 4 atp equivalents compared to glycolysis, why would a cell utilize this pathway, ie., what is the metabolic advantage of this pathway?
The process by which organisms create sugars (specifically glucose) from non-carbohydrate precursors is known as gluconeogenesis.
The only energy source used by the brain, testes, erythrocytes, and renal medulla is glucose, with the exception of ketone bodies during fasting. There are three highly exergonic stages in glycolysis. Hexokinase, phosphofructokinase, and pyruvate kinase are among the enzymes involved in these additional regulatory stages. In biological processes, both forward and backward reactions are possible. Similar to glycolysis, but with the process going the other way, is gluconeogenesis. Fructose-1,6-bP, glucose-6-P, and pyruvate all undergo fairly spontaneous conversions in the process of gluconeogenesis, which is why these reactions are tightly controlled.For the organism to function properly, energy conservation is crucial. Gluconeogenesis is suppressed when there is an abundance of energy available.Therefore, gluconeogenesis conserve more energy.
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anyone have a way to remember any of the following?
(pls don’t say study lol i’ve been studying all weekend but im hoping someone has a rhyme or something abt them that could help me remember better)
1. Biosynthesis
2. Dehydration Synthesis
3. Hydrolysis
4. Monomer
5. Polymer
6. Hydrophilic
7. Hydrophobic
THANKS!!
1. sounds like a song
-sis & -er ending and hydro prefix
2. imagine a room where you live and place each word in a place in the room
3. use a scent while reading the list again and again
and bring the scent with you during the test
4. unusual associations
these are macromolecules
macro molecules sound like macaroni molecules
A high-mass star near the end of its life undergoes successive cycles of energy generation within its core in which gravitational collapse increases the temperature to the point where a new nuclear fusion cycle generates sufficient energy to stop the collapse. This process does not work beyond the silicon-fusion cycle that produces iron. Why is this?"".
A high mass star will not be able to generate enough energy beyond the silicon fusion cycle to stop its collapse because iron fusion doesn't generate excess energy and gas pressure to prevent the core from collapsing. Instead, it requires additional energy.
A high mass star or massive star is a star that is more than 8 times the mass of the sun. For nuclear fusion to continue to occur in such a star, two things are needed, high temperature and pressure. The more temperature and pressure a star has, the more likely it is able to fuse heavier elements like silicon and iron.
Towards the end of the life cycle of a massive star, it starts to fuse silicon, forming iron atoms. These heavy iron particles remain at the core of the star without undergoing any further nuclear fusions. This is because iron has a too much positively charged protons in its nuclei, which causes it to repel the protons in other smaller nuclei like helium, preventing nuclear fusion. Thus, more energy is needed for iron fusion to occur and doesn't give back excess energy or any gas pressure to prevent the core from collapsing, leading to a supernova.
Hence, the reason why nuclear fusion does not work beyond the silicon fusion is that iron fusion requires energy and does not produce any gas pressure.
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What is evolutionary advantage?
Answer:
The ability of an animal to relate a present complex scene to its own previous history of learning conferred an adaptive evolutionary advantage
Explanation:
The ability of an animal to relate a present complex scene to its own
Which answer choice ranks the terms from the smallest to the largest amino acid chain?
Amino acids are the compounds or building blocks that make up peptides and proteins. Each amino acid is structured from an amino group and a carboxyl group bound to a tetrahedral carbon. This carbon is designated as the α-carbon (alpha-carbon).
The answer choice of alpha carbon ranks the terms from the smallest to the largest amino acid chain as amino acids differ from each other with respect to their side chains, which are referred to as R groups. The R group for each of the amino acids will differ in structure, electrical charge, and polarity.
The hydrophobicity index is a measure of the relative hydrophobicity, or how soluble an amino acid is in water. In a protein, hydrophobic amino acids are likely to be found in the interior, whereas hydrophilic amino acids are likely to be in contact with the aqueous environment.
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Gabe has taken a summer job with his father's logging company. Their first job will be cutting down trees in 15 acres
of state forest at the edge of town. After they are finished logging the area, volunteers with the forest service will be
planting new trees to replace the ones that are cut down. What process will Gabe be taking part in with his father's
logging company?
O
silviculture
secondary succession
O
manipulative management
O
custodial management
Secondary succession process will Gabe be taking part in with his father's logging company.
When a place is disturbed but not severely enough to completely clear it of all plant and soil, secondary succession happens. Secondary succession can be started by a variety of disturbances, including fire, floods, windstorms, and human activity (such as cutting of forests). The circumstances that surround primary succession are very different from those faced by secondary succession pioneers. Secondary successions frequently begin in resource-rich environments marked by abundant light and little competition for nutrients and moisture. Disturbances may also be transient; for instance, gaps in forest canopies may close as the crowns of nearby trees enlarge and as understory seedlings and saplings respond to increased light by growing upward.
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Answer: The correct answer is silviculture
Explanation: Silviculture is the management of trees by controlling forest growth, health, and composition. This includes the replanting of trees after logging has cut down trees within a given area.
What type of information is often transferred directly through conjugation between bacterial cells?
DNA is often transferred directly through conjugation between bacterial cells.
In bacteria, conjugation is a process through which bacteria transfer their DNA - genetic material from one bacterium to another.
In this process, one bacteria is the donor, and the other is the recipient of the genetic material.
The material is transferred either through a bridge-like connection or by a cell-to-cell connection.
The donor bacterium contains the material of fertilization or the fusion of male and female gametes.
To put it simply, the process of conjugation is not only vital for the evolution of bacteria but also for a human good cause.
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What is the significance of producing isolated bacterial colonies on an agar plate?.
Isolated bacterial colonies are significant because it helps to better understand the physiological and pathogenic roles of that specific isolated bacterial colony. It will be a pure culture devoid of any other external contaminants.
What are pure culture?A pure culture can be isolated using special media containing specific chemical or physical agents that allow for the enrichment or selection of one organism over another. In microbiology, a pure culture is a laboratory culture that contains only one species of organism. A pure bacteria culture contains only one type of bacteria. Pure cultures can be obtained using a variety of methods, including the Streak Plate Method, the Pour Plate Method, the Spread Plate Method, Serial Dilution, and the Enrichment Culture Method. These methods allow us to study a single species without fear of contamination from other organisms. Pure cultures can be kept at 0-4°C in refrigerators or cold rooms. When necessary, we can create subcultures.To know more about pure culture:
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The mycorrhizae were important to the evolutionary success of terrestrial plants in conquering the land because they help the plants take in minerals such as?.
Mycorrhizae help plants to take in minerals such as phosphate and other soil minerals, including zinc and copper.
Mycorrhizae is a symbiotic relationship that some plants' root systems have with fungi. The fungal hyphae either surround the developing roots in a dense network or enter the root cells. The fungal hyphae's large surface area aids in increasing the soil's ability to absorb water and minerals. They receive sugar and nitrogenous compounds from the host plants in exchange. Some plants must participate in the mycorrhizal association. For example, Pinus seeds do not sprout and grow without mycorrhizal fungi.
What are types of Mycorrhizae?
Endomycorrhizae and ectomycorrhizae are the two different types of mycorrhizae.
Endomycorrhizae is a type of mycorrhiza that embed mycelium within the root tissue instead of forming a sheath around the plant roots, which is known as a mantle from which the hyphae grow. Ectomycorrhizae are a type of mycorrhiza that do the opposite.
Endomycorrhizae is found in the roots of most terrestrial plants and is characterized by mycelium that is embedded within the root tissue as opposed to forming a sheath around it.
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The photosynthetic pigment found within plant cell chloroplasts is called:
a) bacteriophyll
b) chloroplast
c) carbohydrates
d) chlorophyll
Answer:
The photosynthetic pigment found within plant cell chloroplasts is called d) chlorophyll.
The principle used to determine whether an allele is experiencing evolution is called:_________
The principle used to determine whether an allele is experiencing evolution is called the - Hardy- Weinberg law of equilibrium.
What is an allele?Garden pea flowers can be purple or white in color. The gene that codes for this trait, which produces a purple pigment, comes in two forms: allele for purple color and allele for white color. An allele is a variant or variants of a DNA sequence at a specific genomic location.Each person inherits two alleles, one from each parent.If the two alleles are the same, the individual is said to be homozygous for that allele.The person is heterozygous if the alleles differ. Alleles influence an organism's phenotype, or outward appearance. Certain alleles are dominant, whereas others are recessive.To know more about allele:
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What is the difference between active and passivSome students used vinegar to dissolve away the shells of three eggs and used these eggs as models of human red blood cells. The students observed the changes in the eggs when they were placed in different solutions.
Which statement best describes the role of the cell membrane in this model?
-:---:--
Responses
The cell membrane is an impermeable barrier that prevents water from entering the cell
The cell membrane is an impermeable barrier that prevents water from entering the cell
The cell membrane allows water to enter and leave the cell
The cell membrane allows water to enter and leave the cell
The cell membrane allows solutes to enter the cell, which causes the cell to shrink
The cell membrane allows solutes to enter the cell, which causes the cell to shrink
The cell membrane removes solutes from the environment
e transport
This statement best describes the role of the cell membrane in this model the cell membrane allows water to enter and leave the cell.
The cell membrane is a selectively permeable membrane, permitting the passage of some non-polar and tiny molecules. The cell membrane allows water to freely flow through it in accordance with the concentration gradient. The membrane functioned as the egg's outermost covering once the shell was removed.Depending on the concentration gradient when the cells were submerged in a different solution, the water migrated into or out of the cells. When egg cells are submerged in a hypotonic solution, water seeps within, increasing the volume of the cell. In contrast, water escapes from an egg cell immersed in a hypertonic solution through the cell membrane, causing the egg to shrink. Osmosis is the term used to describe this passive water passage through the cell membrane.To know more about cell membrane, visit:
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An action potential in a particular cell has the same amplitude, same duration, and same shape every time. True or false?.
This statement is true. An action potential in a particular cell has the same amplitude, same duration, and same shape every time.
When the membrane potential of a particular cell site rapidly increases and decreases, an action potential happens. Following this depolarization, nearby areas also experience depolarization.Nerve signals known as action potentials. In order to deliver these signals to the target tissues, neurons produce and carry them along their processes. They will either be activated, inhibited, or regulated in some way upon stimulus.A sufficient electrochemical value must be present in the appropriate stimulus for the nerve cell's negativity to be reduced to the action potential threshold. There are subthreshold, threshold, and suprathreshold stimuli in this way.An action potential cannot be induced by subthreshold stimuli. The energy or potential of threshold stimuli is sufficient to cause an action potential. Action potentials are also produced by suprathreshold stimuli.Therefore, the statement is true.
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HELP ASPPP I WILL GIVE BRAINILEST TO WHOEVER IS CORRECT
Answer:
7,2,3
Explanation:
Elements present in a group has the same valence.
Elements in the same group has same chemical properties but vary in physical properties.
The vertical column of elements are numbered 1-8
Who is the person that proposed the system of binomial nomenclature for identifying species of organism?.
Carl Linnaeus is the person that proposed the system of binomial nomenclature for identifying species of organism.
Another Swedish botanist, Carl Linnaeus (also known as Carl von Linné), who was born more than 100 years after the Bauhin brothers' deaths, is frequently credited with developing the binomial nomenclature system. In actuality, Linnaeus took these ideas and formalized their work by publishing Systema Naturae in 1735, which included a catalog of about 10,000 species, including 6,000 plants and 4,236 animals. The first work to consistently use the binomial nomenclature system, which consists of what Linnaeus called a "trivial name" followed by a generic name, was Linnaeus' 1753 publication Species Plantarum. The quaint name is now known as the species' particular epithet or name.
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Answer:
Explanation:
Carl Linnaeus
The system of binomial nomenclature was introduced by Carl Linnaeus.
