if you add strong acid to buffered water, what magnitude of ph change
Answers
If you add a strong acid to buffered water, the magnitude of pH change will be relatively small.
This is because the buffer system in the water will help to resist changes in pH by either accepting or releasing hydrogen ions (H+).
Specifically, the buffer system will react with the added acid to neutralize some of the H+ ions, thereby preventing a large decrease in pH.
The degree of pH change will depend on the strength of the buffer and the amount of acid added. In general, the stronger the buffer, the less the pH will change, while adding more acid will result in a greater change in pH.
The buffering capacity of a solution is determined by its buffer capacity, which is the amount of acid or base that can be added to the solution without causing a large change in pH.
Buffers are important in biological systems, as they help to maintain the pH of bodily fluids within a narrow range, which is critical for proper function of enzymes and other biochemical processes.
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Related Questions
Glucose molecules contain stored energy for plants. Glucose is made from carbon dioxide and water molecules during photosynthesis. What kind of energy do plants use to make glucose molecules? A Electrical B Sound C Light D Kinetic
Answers
Answer:
The correct answer is - C. light.
Explanation:
In plants, glucose is formed or produces by the process called photosynthesis, a process that uses light energy to produce glucose with the help of carbon dioxide and water.
In this process, light energy is converted into chemical energy stored in glucose or sugars. The process involves light energy, CO2, and water and produces, glucose, and oxygen as a by-product.
______ is a discipline of study that involves an examination of proteins and how the proteins encoded by genes interact to produce cell and tissue types.
Answers
The answer is Proteomics.
Proteomics is a discipline of study that involves an examination of proteins and how the proteins encoded by genes interact to produce cell and tissue types.
What is Proteomics?
The extensive study of proteomes is known as proteomics. An organism, system, or biological setting produces a set of proteins known as a proteome. We might speak of an organ or a species' proteome (like that of Homo sapiens) (for example, the liver). The proteome is dynamic; it varies from cell to cell and alterations occur over time. The underlying transcriptome is somewhat reflected in the proteome. However, in addition to the relevant gene's expression level, a number of other factors also affect protein activity, which is frequently measured by the rate at which the processes in which the protein is engaged react.
Proteomics is employed to look into:
When and where do proteins expressed.rates of protein synthesis, degradation, and abundance at steady state.how proteins are altered, for as by phosphorylation and other post-translational modifications (PTMs).the transfer of proteins among subcellular spaces.protein involvement in metabolic processes.what interactions proteins have with one another.To know more about Proteomics click on the link below:
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Tell the difference between the independent variable and the dependent variable.
Answers
Answer:
Independent is the thing you change and the dependent is what changes because of the thing you change.
Example:
If you had 2 cookies available you'd only have 2 people while if you had 200 cookies than you would have way more people. So the independent would be amount of cookies and the dependent would be how many people show up.
Hope this helps!
Of two stars of spectral class B5, one has broad hydrogen lines and the other has narrow hydrogen lines. How do these stars differ physically?
Answers
The physical difference between the two stars of spectral class B5 is that the star with broad hydrogen lines has a higher temperature and faster rotation compared to the star with narrow hydrogen lines.
The width of the hydrogen lines in a star's spectrum provides information about its physical properties. In this case, the star with broad hydrogen lines indicates a higher temperature and faster rotation compared to the star with narrow hydrogen lines.
The broadening of spectral lines is primarily caused by two factors: temperature and rotation. Higher temperatures lead to increased thermal motion of particles in the star, resulting in broader spectral lines. Therefore, the star with broad hydrogen lines has a higher temperature than the star with narrow hydrogen lines.
Additionally, the rotation of a star can also affect the broadening of spectral lines. A faster rotation produces a larger Doppler shift, which leads to broader lines in the spectrum. Therefore, the star with broad hydrogen lines is likely rotating at a higher speed than the star with narrow hydrogen lines.
Overall, the presence of broad and narrow hydrogen lines in the spectra of these B5 stars suggests differences in temperature and rotation, indicating variations in their physical characteristics.
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Which of these describes the charges in a water molecule
Answers
What are the degradations made by detrital rocks?
Answers
Answer:
Sedimentary rocks can be organized into two categories. The first is detrital rock, which comes from the erosion and accumulation of rock fragments, sediment, or other materials—categorized in total as detritus, or debris. The other is chemical rock, produced from the dissolution and precipitation of minerals.
Explanation:
blame the internet if this is wrong
Distinguishing Structures of Glycerolipids and Sphingolipids Describe in your own words the structural features of a. a ceramide and how it differs from a cerebroside. b. a phosphatidylethanolamine and how it differs from a phosphatidylcholine. c. an ether glycerophospholipid and how it differs from a plasmalogen. d. a ganglioside and how it differs from a cerebroside. e. testosterone and how it differs from estradiol.
Answers
Ceramide is a type of sphingolipid composed of a sphingosine backbone and Phosphatidylethanolamine is a glycerophospholipid consisting of a glycerol backbone and An ether glycerophospholipid is similar to a regular glycerophospholipid but with an ether linkage instead of an ester linkage between the glycerol backbone.
a. Ceramide is a type of sphingolipid composed of a sphingosine backbone, a long fatty acid chain, and a single hydroxyl group. It acts as a fundamental building block for other sphingolipids. On the other hand, cerebroside is a glycosphingolipid that contains a ceramide as its backbone with an attached carbohydrate moiety. The presence of the carbohydrate distinguishes cerebrosides from ceramides.
b. Phosphatidylethanolamine is a glycerophospholipid consisting of a glycerol backbone, two fatty acid chains, a phosphate group, and an ethanolamine head group. In contrast, phosphatidylcholine has a choline head group instead of ethanolamine. The difference lies in the specific head group attached to the glycerol backbone.
c. An ether glycerophospholipid is similar to a regular glycerophospholipid but with an ether linkage instead of an ester linkage between the glycerol backbone and the fatty acid chains. In contrast, a plasmalogen is a special type of ether glycerophospholipid that contains a vinyl ether linkage at the sn-1 position of the glycerol backbone. Plasmalogens have a unique structure and play important roles in cellular function.
d. Gangliosides are complex sphingolipids containing a ceramide backbone with attached oligosaccharides. They have sialic acid residues in their carbohydrate chains, which give them a negative charge. In contrast, cerebrosides are glycosphingolipids with a ceramide backbone and a simple carbohydrate attached. Gangliosides are more complex and have a larger carbohydrate moiety compared to cerebrosides.
e. Testosterone and estradio are both steroid hormones. Testosterone is the primary male sex hormone, while estradiol is a type of estrogen and the primary female sex hormone. The key difference lies in their chemical structure. Testosterone has a ketone group at carbon 3, while estradiol has a hydroxyl group at the same position. This difference leads to distinct physiological effects, contributing to the development of sexual characteristics and regulation of reproductive processes in males and females, respectively.
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Describe how you would use Random Sampling to determine the population of dandelions in your yard.
Answers
Answer:
randomly select different areas to count the dandelions, average the numbers and then multiply by the number of plots your grid contains. 6. In a forest that measures 5 miles by 5 miles, a sample was taken to count the number of silver maple trees in the forest.
Random sampling is used in sampling biological products. It is made up of subsets from the larger population in which the subset of individuals is selected randomly with equal probability.
It is used to collect the data for your research work.For sampling the dandelions randomly we will first choose a distinct random area for computing the dandelion.Estimate the average of the numbers determined before.Now multiply the average with the design your framework contains or with the total number of squares in the yard.Therefore this is how you calculate the random sample size.
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Use the model of the Venn Diagram provided to distinguish between the characteristics of red, brown and green algae.
Answers
Answer:
green red
Explanation:
yellow
What statement is correct about the polarity of a water molecule?
Answers
What would the independent variable be in an experiment testing the effectiveness different types of paper airplane?
A. The types of folds made
B. The paper used
C. The distance DI each plane’s flight
D. The color of the paper
Answers
Answer:
A. The type of folds made
Explanation:
independent varible is the one that changes to affect the outcome of the dependent variable
Name two traits that the most recent common ancestor of a whale and a human probably had.
Answers
Answer:
Their ancestor is most likely an ancient artiodactyl, i.e. a four-legged, even-toed hoofed ... However, whales, like humans, are mammals.
Explanation:
hope it help u
what might happen if you were to damage your hypothalamus
Answers
Answer: YOU WOULD FALL OVER
Explanation:
YOUR MOM AND 69 LOOKIN SUS
Answer:
uh You might die because that is one of the functions of the nervous system
Some unicellular eukaryotes called what contain chloroplasts?
Answers
Answer:
Cell as an organism
Some unicellular eukaryotes, called , contain chloroplasts. Yeasts are unicellular , which are eukaryotes. Other unicellular eukaryotes include and algae.
Explanation:
If 28% of the nucleotides in a DNA molecule contain the base T, what percent will contain the base G
Answers
Answer:
22% base G
Explanation:
background info
nucleotides pairs:
T-A (thymine- adenine)
C-G (cytosine- guanine)
because they are pairs, there is an equal amount of T and A. and an equal amount of C and G
# of T= # of A
# of C= # of G
-----------solve
28% is T, then 28% is A
28*2=56%
100-56= 44%
44% left for C and G
44/2=22 (because C and G amounts are equal)
22% C and 22% G
Compare and contrast these relationships. Drag each phrase to the appropriate location in the Venn diagram. Each box must have one answer all responses will be used once expect for no commonalities which will be used twice
Answers
The relationships and their appropriate location in the Venn diagram are:
One species benefits, one is harmed: ParasitismExample is a cattle egret eating the grasshoppers disturbed by the movement of cows: CommensalismNo commonalities: Parasitism & MutualismNo commonalities: Parasitism & CommensalismBoth species benefit: MutualismNo harm done: CommensalismSymbiotic relationship: All.What is symbiosis?Symbiosis is a close and long-term contact between two distinct species that benefits at least one of the species. The association can benefit both species (mutualism), benefit one while damaging the other (commensalism), or benefit one while injuring the other (parasitism).
Symbiotic connections can be obligatory (required for survival) or facultative (voluntary), and they can entail a variety of interactions such as feeding, breeding, and protection.
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what is one role of calcium in plants
Answers
Answer:
to provide structure and some fuel
Explanation:
yes sir
i crosscut my nail with a knife . will it ever heal???
Answers
An Allele is best described as:
A. A version of a gene
B. A recessive gene
C. A dominant phenotype
D. A test cross
Answers
An allele is best described as a version of a gene. Option A is correct answer.
Genes are segments of DNA that contain instructions for the development and functioning of living organisms. Each gene can exist in different forms, called alleles.
For example, let's consider a gene that determines eye color. This gene can have different alleles, such as brown allele, blue allele, and green allele. Each allele represents a different version or variant of the gene.
The different alleles of a gene can lead to variations in traits or characteristics. In the case of eye color, individuals with two copies of the brown allele will have brown eyes, individuals with two copies of the blue allele will have blue eyes, and individuals with one copy of the brown allele and one copy of the blue allele will have a mix of brown and blue eyes.
So, the correct answer is A. A version of a gene. An allele represents different versions of a gene that can result in variations in traits or characteristics.
Option A is correct answer
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What is the direct source of energy that powers molecular motors?
the ATP-binding sitekinesins and dyneins
hydrolysis of ATP
Answers
The direct source of energy that powers molecular motors is the hydrolysis of ATP.
The ATP-binding site on these motors allows them to utilize the energy released during ATP hydrolysis to perform mechanical work, such as moving along cellular structures or transporting cellular components.
The direct source of energy that powers molecular motors is the hydrolysis of ATP. ATP is a molecule that stores and releases energy as needed by the cell. It consists of a nitrogen-containing base, adenine, a 5-carbon sugar, ribose, and three phosphate groups.
The energy is released when the bond between the second and third phosphate groups is broken through a process known as hydrolysis. Hydrolysis of ATP produces ADP (adenosine diphosphate) and inorganic phosphate. This process releases energy that is used by the molecular motors such as kinesins and dyneins.
These motors bind with the ATP-binding site to use the energy to move along the microtubules and carry out various cellular processes.
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The ribosome attaches amino acids together after they are brought by the tRNA to the translation site. Once a ribosome puts together the amino acid chain, the chain then fold or coils. This first folding or coiling of the amino acid chain is called the ______.
a. quaternary structure
b. tertiary structure
c. secondary structure
d. primary structure
Answers
State one specific response of the body to the increase in blood glucose level that would account for the changes that begin about 30 minutes after eating the cookie.
Answers
Answer:
Secrete insulin.
Explanation:
If the body has increase in blood glucose level due to eating of cookies, our body secrete insulin in order to regulates blood glucose level. If there is too much glucose in the body, the body secretes more insulin in order to regulate the glucose level in the blood whereas if there is low glucose level in the blood, our body secrete glucagon through pancreas in order to raise blood glucose level.
Answer:
insluin is realeased by the body or glucose enters the cells
Explanation: none
When air masses collide, changing weather patterns often occur at the boundaries between air masses. Meteorologists refer to this as a ___________.
Answers
Answer:
It causes a turbulence which makes it a front.
Explanation:
Why is silicon a desirable work material in microsystem
technology? (3)
Answers
Silicon is a desirable work material in microsystem technology due to its unique electrical and mechanical properties, which allow for its integration into a wide variety of microelectronic devices, sensors, and microsystems.
Silicon's electrical properties allow for precise control of electronic signals, making it an ideal choice for a wide range of electronic devices, including transistors, diodes, and microprocessors. Silicon's high electron mobility and low power consumption also make it a preferred material for microelectronic devices.
In addition to its electrical properties, silicon is also an ideal material for microsystem technology due to its mechanical properties. Silicon is a hard, brittle material, which makes it ideal for the fabrication of microelectromechanical systems (MEMS). Silicon's high tensile strength also allows it to withstand the stresses and strains of microfabrication processes, making it an ideal choice for the fabrication of micromachined structures.
Silicon's unique properties make it a desirable work material in microsystem technology, allowing for the fabrication of complex and precise microelectronic devices and systems that are essential to modern electronics and communication systems.
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A student is heard making the comment, "Energy is not transferred within a system.
Which argument BEST addresses this comment?
Answers
The argument that best addresses the comment, "Energy is not transferred within a system," is as follows:
In any closed system, energy is always conserved and can be transferred from one form to another. According to the first law of thermodynamics, also known as the law of conservation of energy, the total amount of energy within a closed system remains constant. However, energy can change from one form to another and can be transferred between different components or objects within the system. For example, consider a simple mechanical system such as a swinging pendulum. As the pendulum swings back and forth, it converts its potential energy at the highest point to kinetic energy at the lowest point and vice versa. Similarly, in more complex systems such as chemical reactions or biological processes, energy is transferred between molecules, particles, or different parts of the system. Chemical reactions involve the transfer of energy in the form of heat, light, or electrical energy. Biological processes, such as cellular respiration or photosynthesis, involve the conversion and transfer of energy within living organisms.
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how are antibiotics able to target the bacteria cells but not the healthy cells within your body?
Answers
By utilising variations in the structure and function of the cells, antibiotics can specifically target the cells of bacteria.
What are antibiotics?Medications known as antibiotics are used to treat infections brought on by bacteria.
For instance, many antibiotics target the bacterial cell wall, which is built differently from the cell membrane of human cells. Other antibiotics specifically target bacterial-only proteins or enzymes that are not present in human cells. As a result, healthy human cells are not affected by antibiotic-induced bacterial killing or growth inhibition.
Additionally, there is a rising problem with antibiotic resistance, and it is getting harder to discover new medicines that can successfully target bacteria without hurting human cells. This is partly caused by bacteria's capacity to mutate and acquire drug resistance, as well as by the overuse and abuse of antibiotics. It's critical to utilise antibiotics properly and create fresh approaches to treating bacterial illnesses in order to combat this.
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Water reabsorption regulated by anitidiuretic hormone is considered __________, while water reabsorption in relation to sodium is considered __________.
Answers
ADH decreases water reabsorption from the glomerular filtrate and increases water loss in the form of urine.
What is antidiuretic hormone?A hormone that helps to constrict blood vessels and helps the kidneys control the body's salt and water levels. This helps to control the flow of urine as well as blood pressure.
What is an example of antidiuretic hormone?Vasopressin, commonly known as antidiuretic hormone, is secreted by the posterior pituitary. Its effects on the kidneys, where it speeds up the reabsorption of water, are what make it significant in the first place. Vaspopressin is a strong vasoconstrictor.
What does antidiuretic hormone cause?Antidiuretic hormone (ADH), which is released by the brain, causes the kidneys to release less water and lowers the amount of urine produced. When ADH levels are high, the body produces less urine. Urine production increases in response to a low level.
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what are chloro-fluoro carbons ??
explain !!!
Answers
Answer:
Chlorofluorocarbons are fully or partly halogenated paraffin hydrocarbons that contain only carbon, hydrogen, chlorine, and fluorine, produced as volatile derivative of methane, ethane, and propane.
Explanation:
What term describes the light-absorbing molecule that plants use to absorb energy?
A Grana
B Pigments
C Stroma
D thylakoids
Answers
Pigments, are the light-absorbing molecule that plants use to absorb energy, chlorophyll is the light absorbing pigment, hence option B is correct.
What is chlorophyll?Plants get their green color from a pigment called chlorophyll, which also aids in photosynthesis, which is how plants make their own food.
In a plant, chlorophyll's function is to absorb light, often sunlight. Two types of energy storing molecules receive the light energy that is absorbed.
The plant uses its stored energy to turn water and carbon dioxide from the air into glucose, a form of sugar, through photosynthesis.
Therefore, chlorophyll is a pigment, considered as a light absorbing molecule that plants use to absorb energy, hence option B is correct.
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bones in different vertebrates are if they have the same evolutionary origin but now differ in structure and function.
Answers
Answer:
homologous structures
Explanation:
something like bat wings and human hands
they evolved from a common ancestor, but are now different and used differently