Answers
The type of transport shown is diffusion, a form of passive transport.
What are the forms of transport in living organisms?In living organisms, the transport of molecules is essential for survival of the living organism.
Molecules are transported from where they are produced to where they are needed in the body. Also, waste products of metabolism need to be removed from the cells to the excretory organs.
The two types of transport in a living organism are:
active transport - requires the expense of energy such as in protein transporters.passive transport - does not require the expenditure of energy such as in diffusion.Learn more about passive transport at: https://brainly.com/question/17293052
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Related Questions
Prior to the industrial revolution, what was the previous highest level of co2 concentration in the atmosphere over the prior 400,000 years?.
Answers
For nearly 6,000 years of human civilisation, CO2 levels were continuously around 280 ppm before the Industrial Revolution.Since then, it is predicted that humans have produced 1.5 trillion tons of CO2 pollution, the most of which will keep the atmosphere heated for thousands of years.
What was the highest concentration of carbon dioxide in the last 400000 years before the Industrial Revolution?
We know that atmospheric carbon dioxide never went beyond 300 ppm during the ice age cycles of the past million years based on air bubbles trapped in mile-thick ice cores and other paleoclimate evidence.The atmospheric carbon dioxide level was at or below 280 ppm before the Industrial Revolution began in the middle of the eighteenth century.According to NOAA scientists, the amount of carbon dioxide in the atmosphere peaked for 2022 in May at 421 parts per million, pushing the atmosphere even further into regions unseen seen in millions of years. The Big Island of Hawaii's average carbon dioxide concentration, as measured by NOAA, was 420.99 parts per million (ppm), up 1.8 ppm from 2021.The independent record-keeping scientists at Scripps determined a monthly average of 420.78 ppmNOAA Administrator Rick Spinrad, Ph.D., stated that "the science is clear: humans are changing our climate in ways that our economy and our infrastructure must adapt to.""The effects of climate change are all around us and are evident every day.We need to take immediate, significant action to create a more climate-ready nation, as evidenced by the steady increase in carbon dioxide observed at Mauna Loa. Burning fossil fuels for electricity production and transportation, making cement, destroying forests, farming, and many other activities all contribute to CO2 pollution.The planet's atmosphere warms steadily as a result of the presence of CO2 and other greenhouse gases, which trap heat that would otherwise radiate from the surface and escape into space. This warming of the atmosphere triggers a variety of weather changes, such as periods of extreme heat, drought, and wildfire activity, as well as heavier precipitation, flooding, and tropical cyclone activity.Greater sea surface temperatures, rising sea levels, and increased carbon uptake are all effects of greenhouse gas pollution on the world's seas. These effects make sea water more acidic, promote ocean deoxygenation, and make it more challenging for some marine creatures to thrive. During the Cambrian period, around 500 million years ago, CO 2 concentrations in the atmosphere ranged from as high as 4,000 parts per million (ppm, on a molar basis) to as low as 180 ppm during the Quaternary glacial, which lasted for the past two million years.To learn more about carbon dioxide refer
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1. What is the ultimate source of energy in the food we eat? I
Answers
Answer:The sun
Explanation:
Answer:
The sun
Explanation:
The ultimate source of the energy in food is the sun. The movement of energy from the sun through different organisms is what creates a food chain. Plants get their energy directly from the sun.
One molecule of glucose is broken down into two pyruvate molecules.
A. cellular respiration
B. glycolysis
C. photosynthesis
Answers
Answer:
B
Explanation:
which antibiotic specifically inserts on sites of the 30s subunit of prokaryotic ribosomes causing the misreading of mrna and thus inhibit translation?
Answers
Streptomycin and neomycin are aminoglycosides that bind to sites on the 30S subunit of prokaryotic ribosomes causing the misreading of mrna and thus inhibit translation.
Streptomycin and spectinomycin are main antibiotics that function by binding to specific sites on prokaryotic rRNA and affecting the dependability of protein synthesis. spectinomycin inhibits bacterial protein synthesis by blocking translocation of messenger RNA and transfer RNAs on the ribosome.
Main aftereffect of aminoglycosides are kidney injury, hearing impairment and vestibular toxicity. aminoglycosides are far-reaching, bactericidal antibiotics that are mainly recommended for children, primarily for infections caused by Gram-negative pathogens.
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which gas makes up the majority of air pollutants?A. carbon monoxide B. sodium hydroxide C. nitrous oxideD. sulfuric acid
Answers
The answer is A. carbon monoxide, and, as you say, that pollutant is mainly caused by the burn of fossil fuels providing from the energy transformation industries, like petrol we use in cars for our transportation, for example.
Answer: carbon monoxide
Explanation: trust bro, trust.
What is a biological catalyst
Answers
Answer: Enzymes
Explanation:
A catalyst is a substance that causes the rate of a chemical reaction to increase without undergoing any permanent change.
In the case of biology a biological catalyst would refer to enzymes.
Enzymes are most often protein in nature and catalyze numerous biological reactions.
write a paragraph connecting the required terms from the curriculum & highlighting each
Answers
Chromosome structures are within cells and people that contained the genes of a cell, such as histones responsible for interacting with the double-stranded mode of organization, in the three levels of condensation, so favorable to the cell, as well as having part together to modulation of gene expression.
What is DNA and its function?DNA is the structure responsible for transmitting all genetic characteristics such as eye, skin and hair color, physiognomy, among others in the process of reproduction of living beings. In this way, the main function of DNA is to carry information contained in its sequences, called genes.
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e. coli in the lab grows with a doubling time of approximately 20mins. e. coli in your gut has a doubling time of approximately 12-24hrs. what variables might be influencing the rate of growth of e. coli?
Answers
Nutrients, pH, temperature, and dissolved enzymes might influence the growth rate of e. coli.
What is growth of bacterial ?
Binary fission, a process that causes bacteria to divide into two daughter cells, is the basis of bacterial growth. The daughter cells that result are identical genetically to the original cell, assuming no event takes place. As a result, bacteria start to grow. Not always do the two daughter cells from the division live. However, the bacterial population experiences exponential growth if the average number of survivors exceeds unity. The basic method requires bacterial enumeration (cell counting) by direct as well as individual, direct as well as bulk (biomass), indirect and individual (colony counting), as well as indirect and bulk (most probable number, turbidity, nutritional uptake) methods. This measurement of the an exponential bacterial growth curve in batch culture has been traditionally a part of the training of all microbiologists. Models bring theory and measurements into harmony.
E. coli bacteria typically dwell in the intestines of healthy humans and animals. Most E. coli strains are innocuous or only produce mild diarrhea.
What are the six elements that have an impact on bacterial growth?
Some of the most crucial elements that affect bacterial proliferation include the ones listed below:
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6. One function of the skeletal system is protection. (a) State two other functions of the skeletal system
Answers
Answer: Structure
And
Support
Explanation: The skeleton provides framework to muscles and organs
it helps with fluid movement. It provides correct shape to the body. The bones also help to make blood cells
What is responsible for giving the plasma membrane the ability to block most ions and polar compounds from crossing?.
Answers
how many copies of the Ace gene are in the human genome
Answers
Answer:21,310 base pairs
Explanation:
If a mutation occurs in a gamete, which of the following is most likely to result?
Answers
If a mutation occurs in a gamete, then the statement indicating that mutation will not always cause the offspring to be genetically disadvantaged. of is the most likely result of this change (Option 4).
What is a germinal mutation?A germinal mutation is any genetic modification produced during the formation of gametes, which are germinal cells that generate an individual. All germinal mutations are potentially inheritable, while somatic body mutations are not inherited because these cells are not used to generate an individual.
Somatic mutations are only inherited by the cell line which suffered such mutation and therefore may produce disequilibrium in the organism but not alters the genetic pool of the population.
Therefore, with this data, we can see that a germinal mutation can be inherited and therefore affect the fitness of the population.
Complete question:
If a mutation occurs in a gamete, which of the following is most likely to result?
If the mutation occurs on a recessive gene, it will most likely be expressed.
If the mutation is non-disjunctive then an extra chromosome could be in every cell of the offspring.
The mutation will not always cause the offspring to be genetically disadvantaged.
The mutation will not be passed on to the offspring.
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Question 13 of 25
Engineers who work for a museum are designing a scale model of the
continent of Antarctica using a scale of 1:10,000,000. If Antarctica is about
5,300 km (5,300,000 m) across, how wide will the model be?
A. 53,000 m
B. 0.53 m
C. 5.3 m
D. 0.00053 m
Answers
well
1:10,000,000 = x:5,300,000
[tex] \frac{1}{10000000} = \frac{x}{5,300,000 } \\ 10000000x = 5,300,000 \\ x = \frac{5,300,000}{10000000} \\ x = 0.53[/tex]
so the answer is B. 0.53
which of the following statements is false? in its interaction with hemoglobin, oxygen is: i. a prosthetic group. ii. a ligand. iii. bound at the 6th coordination position of the fe(ii) ion in the heme. iv. homoallosteric effector. v. reversibly bound.
Answers
The statement "In its interaction with hemoglobin, oxygen is a prosthetic group." (i) is false.
Each 's iron atom may attach to one oxygen molecule, enabling hemoglobin heme group to carry four oxygen molecules. Each heme group's iron atom may bind one oxygen molecule, giving hemoglobin its maximum ability to carry four oxygen molecules.
A unique non-protein element called a prosthetic group is necessary for some proteins to function. It is firmly attached to proteins. A prosthetic group can naturally take the shape of an organic lipid, vitamin, or sugar or an inorganic metal ion.
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a membrane protein in a plant root uses atp to transport nitrate ions from a fertilizer solution in the soil and concentrates them in the cell. this process is called:
Answers
Transport is fueled by active transport, which utilizes ATP's stored energy. Integral proteins in the cell membrane, which are comparable to pumps, are used in the active transport of small molecular-sized material to move material.
Moving upwards is considered active transportation.
A cell must use energy to transfer materials against a concentration or electrochemical gradient. This is exactly what active transport systems accomplish, using energy—often in the form of ATP—to keep the proper concentrations of ions and molecules in living cells.
A symporter is a carrier protein that transports two molecules in the same direction. An antiporter is a carrier protein that transports two molecules in opposing directions. Nevertheless, some porters are able to move a single molecule across the membrane. They're known as uniporters.
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How long can sequoia trees live?
Answers
Answer:
3,000 years.giant
sequoias can live more than 3,000 years
Question 2
Are there meaningful differences in CORT levels between campus and mountain juncos?
(a) Field study (females only)
Plasma corticosterone (ng/ml)
40
35
30
25
20
15
0
Mt Laguna
San Diego
15
(27)
(31)
30
Time postcapt
O No, both groups have the same CORT levels.
Yes, the CORT levels in the mountain population are lower than the CORT levels in the San Diego group
O No, this graph does not show enough information.
O Yes, the CORT levels in the mountain population are higher than the CORT levels in the San Diego group
2 pts
Answers
The meaningful differences in CORT levels between campus and mountain juncos is Yes, the CORT levels in the mountain population are higher than the CORT levels in the San Diego group.
What are mountains?A mountain is an elevated part of the earth's crust with significant exposed bedrock on its steep sides. Although definitions vary, a mountain can be distinguished from a plateau by its own limited summit area and is usually higher than a hill, usually at least 300 meters above the surrounding land. A mountain is an elevated part of the earth's crust with significant exposed bedrock on its steep sides.
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2. This gemstone has a range of purple colors:
Oamethyst
garnite
Oturquoise
O jade
O peridot
Answers
This gemstone has a range of purple colors is amethyst.
What is amethyst?Amethyst is a violet variety of quartz. Amethyst, also known as Jamunia, is one of the most well-known substitutes for blue sapphire. Amethyst is a violet quartz variety. The name derives from the koine Greek o amethysts, from - a-, "not" and methysko / method, "intoxicate," a reference to the belief that the stone protected its owner from intoxication. Amethyst, also known as "the all-purpose stone," is a protective stone that aids in the relief of stress and anxiety, as well as the symptoms that accompany it, such as headaches, fatigue, and anxiety. It also helps with cell regeneration (which supports your bones and joints) and is said to improve your skin.To know more about amethyst, refer
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which of the following features of vancomycin distinguishes it from most other cellular peptides? choose one or more: a. a massive seven-module enzyme is required for glycosylation, chlorination, and side-chain linking of the precursor heptapeptide. b. the heptapeptide backbone is synthesized independently of a ribosome. c. it includes unusual amino acids not normally found in proteins. d. its synthesis requires a modified genetic code. e. some amino acids are present in the d-form rather than the l-form.
Answers
The features 'the heptapeptide backbone is synthesized independently of a ribosome, it includes unusual amino acids not normally found in proteins and some amino acids are present in the D-form rather than the L-form' distinguish vancomycin from most other cellular peptides (Options b, c and d).
What is a cellular peptide?A cellular peptide can be defined as any peptide that contains different amino acid residues and plays diverse functions inside the cell.
Vancomycin is a cellular peptide that is not completely synthesized in the ribosome (the protein factory of the cell) becuase it is an antibiotic and whose shape may have different tautomeric conformations according to the molecular function.
Therefore, with this data, we can see that vancomycin is a cellular peptide that is not produced in a whole manner in the ribosomes of the eukaryotic cells and may have different functions as well as distinct tautomeric structures.
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Explain whether you think the most important advances of the 21st-century will be new sources of energy or a more efficient use of source they already exist
Answers
Throughout the opinion, new energies will become more important because they produce less pollution than currently used energy sources and because the careless use of non-renewable energy sources could result in a future energy shortage.
Non-renewable Energy- Energy content of non-renewable materials is high. Compared to renewable energy sources like solar or wind, resources like coal and oil generally give us more energy. Coal mining, oil sales, and the building of pipelines for natural gas can all result in enormous riches.
The time-consuming nature of non-renewable fuel is one of its main drawbacks. It takes a long time to mine coal, look for oil, install oil drills, construct oil rigs, insert pipes to extract natural gas, and transport it. It also demands a great deal of work.
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scientists found an animal skull during an excavation and tested the amount of carbon-14 left in it. they found that 55 percent of the carbon-14 in the skull remained. how many years ago was the animal buried?
Answers
Animal was buried 4821 years ago.
The properties of radiocarbon, a radioactive isotope of carbon, can be used to determine an object's age using radiocarbon dating, which is also known as carbon dating or carbon-14 dating.
55% Carbon-14 is left in the skull.
If A₀ was the original amount of Carbon, the amount of Carbon that is remaining will be 55% of A₀ which equals 0.55A₀
Using the given equation:
[tex]A = A_{O} e^{-0.000124t} \\\\0.55A_{O} = A_{O}e^{-0.000124t} \\\\0.55 = e^{-0.000124t} \\\\ln(0.55) = ln( e^{-0.000124t} )\\\\ln(0.55) = -0.000124t * ln(e) \\\\ln(0.55) = -0.000124t\\\\t = \frac{ln(0.55)}{-0.000124t} \\\\t = 4821[/tex]
hence, option D is correct, the animal was buried 4821 years ago.
Scientists found an animal skull during an excavation and tested the amount of carbon-14 left in it. They found that 55 percent of the carbon-14 in the skull remained. How many years ago was the animal buried? Round your answer to nearest whole number. (Hint: A = A0e-0.000124t.)
A) 443,548 years
B) 362,903 years
C) 6,439 years
D) 4,821 years
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The tendency to respond to a conditioned stimulus that is similar, but not identical, to the original conditioned stimulus is called _____.
Answers
The tendency to respond to a conditioned stimulus that is similar, but not identical, to the original conditioned stimulus is called discrimination.
A stimulus is a "detectable change (physical or chemical) in an organism's environment that induces some functional activity," according to the definition given . For instance, sunlight serves as a stimulus for plants and bodies, encouraging them to grow or move in its direction. High temperatures are another example of a stimulus since they cause our bodies to start sweating and cool down as a result.
Researchers who study human behaviour frequently use the phrase stimulus (or its plural stimuli). The activities, behaviours, or procedures that cause the human mind to react are known as stimuli in psychology. Visual, aural, physical, or a combination of these may be used as the stimuli. The use of stimuli in the management of achluophobia is one instance (fear of the dark).
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Produces in the upper part of the ocean get nutrients from
O river water that washes out to the ocean
O dead organisms floating in the water
O materials brought to the surface by upwelling
their roots, which grow into the ocean floor
Answers
Black fur in rabbits is dominant over brown fur. Cross a homozygous black rabbit with a brown rabbit. (4 pts)
Genotype: Phenotype :
(Create Punnett square pls)
Answers
The genotype and phenotype of the offsprings of crossing a homozygous black rabbit with a brown rabbit is as follows:
Genotype; Bb (4)Phenotype; All black rabbitsWhat is a punnet square?A punnet square is a graphical representation used to determine the probability of an offspring expressing a particular genotype.
According to this question, black fur (B) in rabbits is dominant over brown fur (b). if a homozygous black rabbit (BB) with a brown rabbit (bb) as follows:
BB × bb
BB - B and Bbb - b and bWhen these two parents genotype cross, all of the offsprings will be heterozygous (Bb) genotype and all black phenotype.
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what are the 4 Chambers of heart?
Answers
Answer:
The four chambers of the heart are the two upper and two lower chambers.
Explanation:
The four chambers of the heart are the two upper and two lower chambers.
The upper chambers are the right atria and the left atria, and the two atrias receive blood. The lower chambers are the right and left ventricles, and the two ventricles pump blood out of the heart.
Answer:
The heart is divided into two parts atrium and ventricle. We have left atrium, right atrium, left ventricle and right ventricle.
a double-reciprocal plot of 1/v0 versus 1/[s] for an enzyme in the presence of increasing concentrations of an uncompetitive inhibitor will have lines corresponding to the different inhibitor concentrations that are best described by which statement?
Answers
The statement "(B) The lines will cross the y-axis and will be parallel to each other." is what best describes a double-reciprocal plot of 1/v0 versus 1/[s] for an enzyme in the presence of increasing concentrations of an uncompetitive inhibitor.
Taken together, the reciprocals of both sides of the Michaelis-Menten equation yield the double-reciprocal equation. Plotting the inverse starting velocity (1/V0) as a function of the inverse of the substrate concentration (1/[S]) yields the double-reciprocal plot, sometimes referred to as the Lineweaver-Burk plot.
A straight line is created, allowing for the precise determination of the Vmax and, by extension, the precise determination of KM.
You can view the double reciprocal plot that illustrates non-competitive inhibition in the accompanying image. Because the inhibitor can only bind to the enzyme substrate complex, this non-competitive inhibition is distinguished by this property.
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Question correction:
A double-reciprocal plot of 1/V0 versus 1/[S] for an enzyme in the presence of increasing concentrations of an uncompetitive inhibitor will have lines corresponding to the different inhibitor concentrations that are BEST described by which statement?
A) The lines will intersect at the x-axis to the left of the y-axis.
B) The lines will cross the y-axis and will be parallel to each other.
C) The lines will intersect to the left of the y-axis but above the x-axis.
D) The lines will intersect below the x-axis, to the right of the y-axis.
E) The lines will be parallel to each other but will not cross the y-axis.
what is the purpose of corridors? multiple select question. to connect a natural habitat area to smaller habitats that are already protected to limit the range of species within a designated park to allow populations to expand into new breeding territory to effectively create a large reserve from several small ones
Answers
To connect a natural habitat area to smaller habitats
What is use of corridors?
A corridor is a type of hallway or gallery that often has a narrow width relative to its length and serves as a passageway connecting various architectural components. Entryways to rooms are frequently located along a corridor.
Common Corridor refers to a portion of the Infrastructure that was used by the End User for the Train Services for which Access Rights are being reclaimed and will also be used by the Train Services of the new Access Holder; Samples 1 through 3 are examples of common corridors.
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The lytic cycle is one reproductive cycle that viruses can enter.
What is the name of the other virus life cycle?
A. Lytogenic
B. Lysogenic
C. Lysic
D.Lysosome
Answers
Answer: B. Lysogenic Cycle
Explanation:
the ara operon is an inducible operon that controls the production of the sugar arabinose. when arabinose is present in a bacterium it binds to the protein arac, and the complex binds to the initiator site to promote transcription. in this scenario, arac is a(n) and arabinose is a(n) .
Answers
The ara operon is an inducible operon that controls the production of the sugar arabinose. When arabinose is present in a bacterium it binds to the protein AraC, and the complex binds to the initiator site to promote transcription. In this scenario, AraC is a(n) activator.
The process of transcription uses the DNA found in the nuceloids of bacteria cells to create messenger RNA. However, the generation of these mRNA is dependent on the intracellular state of the bacterium, such as whether or not the protein encoded by the segment is required.
Only when there is no arabinose sugar present in the cell can AraC function as a repressor in this particular bacteria. AraC will function as an activator in the aforementioned context since sugar arabinose is present.
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in the absence of the carbohydrate a, genes x and y are expressed at low levels. when a is introduced, genes x and y are actively transcribed. when the supply of a is exhausted, the expression of x and y drops to very low levels. from this, we can conclude that a is a(n)
Answers
In the absence of the carbohydrate a, genes x and y are expressed at low levels. when a is introduced, genes x and y are actively transcribed. when the supply of a is exhausted, the expression of x and y drops to very low levels. from this, we can conclude that a is a(n) inducer.
A substance that controls the expression of genes is known as an inducer in molecular biology. An inducer works in two different ways, namely:
1. By turning off the repressors. An inducer binds to the repressor, which causes the gene to be expressed. The repressor cannot bind to the operator because of the inducer's binding to the repressor. The transcription of operon genes can then start by RNA polymerase.
2. By attracting activators. Absent an inducer, activators often bind activator DNA sequences weakly. The complex formed by the binding of the activator and inducer to the activation sequence activates the target gene. Transcription is halted by removing the inducer.
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