Hydrogen bonds can be found between no other molecules except water.
Answer:
Without hydrogen bonds, water molecules would move faster more rapidly, with less input of heat energy, causing the temperature to increase more for each calorie of heat added.
Explanation: This would also greatly reduce the amount of heat energy needed for phase changes from ice to liquid, and from liquid to vapor.
Answer: Not really a question but....Two molecules of water can form a hydrogen bond between them that is to say oxygen-hydrogen bonding; the simplest case, when only two molecules are present, is called the water dimer and is often used as a model system.
37 With which kingdoms do bacteria share the same genetic code?
A
animal, plant, fungus and protoctist
B
animal, plant and fungus only
C
animal and plant only
D
animal only
Answer:
The answer you are looking for is A
The bacteria share the same genetic code with animal, plant, fungus and Protista. The correct option is A.
What is genetic code?The set of instructions utilized by living cells to convert data from genetic material contained in proteins is known as the genetic code.
Codons, or words, are the four letters that make up each of the three-letter words that make up a codon in DNA.
The order of bases in DNA or RNA makes up the genetic code. Codons are formed by groups of three nucleotides, and each codon represents one amino acid (or start or stop).
Following the start codon, the codons are read one after the other until a stop codon is reached. The genetic code is unambiguous, redundant, and universal.
The genetic code of bacteria is the same as that of plants, animals, fungi, and protists.
Thus, the correct option is A.
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how could we decrease the amount of atmospheric CO2?
Atmospheric CO2 is an important trace element in the atmosphere. It is released into the atmosphere as a result of the combustion of fossil fuels and some other causes.
We can decrease the amount of atmospheric CO2 by growing more trees, using better alternatives in place of substances that leads to an increase in CO2.
More carbon dioxide is absorbed, lowering CO2 levels when we grow more trees as plants utilize this element a lot.Renewable energy sources like solar energy etc. to replace non-renewable sources can also be utilized.We can lessen our dependence on private mobility and use more of public mobility, or we walk / carpool instead.Learn more about atmospheric CO2: https://brainly.com/question/431949
We can do the following to reduce atmospheric \(\rm CO_2\):
1. Reduce fossil fuel use by switching to renewable energy sources and encouraging energy conservation.
2. Through photosynthesis, \(\rm CO_2\) can be absorbed by reforestation and reforestation operations and stored in soil and plants.
3. Power stations and other industrial sources that emit \(\rm CO_2\) can be captured and stored using carbon capture and storage methods.
4. New methods of weathering accelerate natural processes that convert \(\rm CO_2\)into stable forms.
5. Promoting environmentally friendly agricultural methods can reduce emissions and improve carbon storage in the soil.
6. To implement changes and promote international cooperation, public awareness and policy support are essential.
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Does primary active transport require a protein in the lipid bilayer?
The answer "Does primary active transport require a protein in the lipid bilayer?" is "Yes, primary active transport requires a protein in the lipid bilayer".
The cell membrаne is аn extremely pliаble structure composed primаrily of two lаyers of phospholipids (а "bilаyer"). Cholesterol аnd vаrious proteins аre аlso embedded within the membrаne giving the membrаne а vаriety of functions.
For аll of the trаnsport method, the cell expends no energy. Membrаne proteins thаt аid in the pаssive trаnsport of substаnces do so without the use of АTP. During primаry аctive trаnsport, АTP is required to move а substаnce аcross а membrаne, with the help of membrаne protein, аnd аgаinst its concentrаtion grаdient.
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Plants are capable of using nitrogen directly from the atmosphere.
True False
Plants respond to all of the environmental stimuli listed except
A. the length of nights.
B. hormones.
C. loud noises.
D. temperature.
Answer:
C - Loud Noises
Explanation:
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Which of the following is NOT apart of the chromosomal alternations?
a) Insertion
b) Deletion
c) Duplication
d) Memorization
How does the Coomassie Blue used in our lab detect the presence of protein? the dye interacts with acidic amino groups in the protein and turns blue the dye interacts with basic amino groups in the protein and turns blue the dye interacts with basic amino groups in the protein and turns brown the dye interacts with acidic amino groups in the protein and turns brown Question 2 In the Bradford Assay, a spectrophotometer directly measures the amount of a specific wavelength of light that is absorbed by the sample. presence of protein in the sample. presence of dye in the sample. absence of macromolecules. Question 3 What is the purpose of the 'blank' cuvette? to determine the absorbance of the brown dye to determine the absorbance of the blue dye to determine the amount of protein in the sample to determine the absorbance of the cuvette and buffer alone What is the standard curve? a graph of unknown protein samples a line drawn to best fit the concentrations of the unknown samples a line used to measure the presence of dye a line drawn to best fit the concentrations of known protein samples Question 5 What is the concentration of protein in a sample with an absorbance of 0.4 ? 0.5 0.75 1.0
1: Coomassie Blue turns blue when it interacts with acidic amino groups in proteins, option A is correct.
2: A spectrophotometer measures light absorbed to determine the presence of protein in the sample.
3: The 'blank' cuvette measures absorbance of the cuvette and buffer alone, aiding accurate protein concentration measurement.
4: A standard curve is a graph used to estimate protein concentration in unknown samples.
1: Coomassie Blue dye interacts with acidic amino groups in the protein and turns blue. It binds to these groups through electrostatic interactions, resulting in a color change that can be detected visually or with a spectrophotometer, option A is correct.
2: In the Bradford Assay, a spectrophotometer directly measures the amount of light absorbed by the sample at a specific wavelength. This measurement is used to determine the presence of protein in the sample, as the absorbance is proportional to the protein concentration.
3: The purpose of the 'blank' cuvette is to determine the absorbance of the cuvette and buffer alone. By measuring the absorbance of the blank cuvette, any contribution from the cuvette and buffer can be subtracted from the absorbance of the sample, providing a more accurate protein concentration measurement.
4: The standard curve is a graph drawn to best fit the concentrations of known protein samples. It is used as a reference to determine the protein concentration in unknown samples based on their absorbance values. The absorbance of unknown samples can be compared to the standard curve to estimate their protein concentrations.
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The complete question is:
Part 1. How does the Coomassie Blue used in our lab detect the presence of protein?
A. the dye interacts with acidic amino groups in the protein and turns blue
B. the dye interacts with basic amino groups in the protein and turns blue
C. the dye interacts with basic amino groups in the protein and turns brown
D. the dye interacts with acidic amino groups in the protein and turns brown
Part 2. In the Bradford Assay, a spectrophotometer directly measures the amount of a specific wavelength of light that is absorbed by the sample. presence of protein in the sample. presence of dye in the sample. absence of macromolecules.
Part 3.What is the purpose of the 'blank' cuvette? to determine the absorbance of the brown dye to determine the absorbance of the blue dye to determine the amount of protein in the sample to determine the absorbance of the cuvette and buffer alone.
Part 4. What is the standard curve? a graph of unknown protein samples a line drawn to best fit the concentrations of the unknown samples a line used to measure the presence of dye a line drawn to best fit the concentrations of known protein samples.
3. There are two forms of PKD- autosomal dominant and autosomal recessive. Since Aditya has the dominant form, if he marries a woman with no family history of PKD, what are the chances their children will inherit the gene? Show a Punnett Square to illustrate your answer.
Since Aditya has the dominant form, if he marries a woman with no family history of PKD, the chances their children will inherit the gene is 50%, which can be evidenced with a Punnett Square by crossing Pp with pp.
What is a Punnett Square in a genetic cross?A Punnett Square in a genetic cross is a diagram used to estimate allelic and phenotypic frequencies after a genetic cross such as in this case:
K k
k Kk kk
k Kk kk
Therefore, with this data, we can see that Punnett Square can be sued to determine the phenotype in a genetic cross.
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in the biosynthesis of fatty acids, the acyl carrier protein repeatedly sweeps over a series of enzymes to elongate the fatty acid chain. if the acp started with no fatty acid attached, after 5 repeats of the synthesis cycle, how long will be the newly synthesized fatty acid chain?
In the biosynthesis of fatty acids, the acyl carrier protein repeatedly sweeps over a series of enzymes to elongate the fatty acid chain. if the acp started with no fatty acid attached, after 5 repeats of the synthesis cycle, the newly synthesized fatty acid chain will be single cycle of fatty acid biosynthesis: Acetyl-A.
Enzyme-containing proteins operate as biological catalysts and hasten chemical processes. Enzymes interact with substrates, and the enzyme converts the substrates into products, which are different molecules. The majority of cellular metabolic processes cannot occur at rates fast enough to support life without enzyme catalysis. Each step in the catalysis of metabolic processes requires the presence of an enzyme. Enzymeology, pseudoenzyme analysis, and the study of enzymes all agree that some enzymes have developed without the ability to carry out biological catalysis. This is frequently reflected in their peculiar "pseudocatalytic" properties and amino acid patterns.
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Fill in the blank.
An alpha particle is about _________________ times more massive than a beta particle
Answer:
8000 times the mass of a beta particle
Explanation:
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A student claims that the monarch population increases and decreases in a cycle, similar to the pattern of predator-prey populations like wolves and moose. Use the data to evaluate this claim
Answer:
yes that is true because by looking at the graph you can tell that it starts to increase then slowly decrease.
Explanation:
The monarch population represented by the graph depicts a fluctuating pattern which epitomizes a rise and fall pattern in the area occupied by monarchs over the winter season between 1995 and 2005.
The predator-prey population depicts the sharp decline in the prey population as they are being fed on in large numbers as the number of predator multiplies. This is followed by a decrease in the number of predators due to starvation as the available prey are insufficient to cater for their number. The cyclic nature of the graph shows similar pattern as areas occupied by monarchs declines as the winter season progresses over time.Learn more :https://brainly.com/question/18576344?referrer=searchResults
HELP!!!! The diagram below shows a portion of the water cycle. What does Y most likely represent
Answer:
Y most likely represents springs.
The Philadelphia chromosome results when a portion of chromosome 9 is swapped for a portion of chromosome 22. This type of mutation is called a _______ and leads to cancer.
Answer:
translocation
Explanation:
Write the sequence of steps and the net reaction for the biosynthesis of phosphatidylcholine by the salvage pathway from oleate, palmitate, dihydroxyacetone phosphate, and choline. Starting from these precursors, what is the cost (in number of ATPs) of the synthesis of phosphatidylcholine by the salvage pathway?
In terms of ATP usage, the synthesis of phosphatidylcholine by the salvage pathway requires a total of 3 ATPs. These ATP molecules are consumed during various steps of the biosynthetic pathway to provide energy for the necessary chemical reactions and enzyme activities.
The biosynthesis of phosphatidylcholine by the salvage pathway involves a series of steps, including the conversion of oleate and palmitate to dihydroxyacetone phosphate, the esterification of dihydroxyacetone phosphate with oleate, and the methylation of phosphatidylethanolamine to form phosphatidylcholine. The net reaction of the biosynthesis is the conversion of oleate, palmitate, dihydroxyacetone phosphate, and choline into phosphatidylcholine. The synthesis of phosphatidylcholine by the salvage pathway requires a total of 3 ATPs.The net reaction of the biosynthesis of phosphatidylcholine is the conversion of oleate, palmitate, dihydroxyacetone phosphate, and choline into phosphatidylcholine.
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The concentration of glucose in the blood at P, and in the fluid at Q, is 0.1 per cent. The concentration of glucose in the fluid at R is 0.0 per cent.
Use information from the diagram, and your own biological knowledge, to explain the change in glucose concentration from point P through to point R.
Answer:
Explanation:The change in glucose concentration from point P to point R can be explained by the process of diffusion. Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration.
At point P, the concentration of glucose in the blood is 0.1 percent. This means that there is a higher concentration of glucose in the blood compared to the surrounding fluid. Due to the concentration gradient, glucose molecules will tend to move from the blood to the surrounding fluid through diffusion. As a result, glucose molecules will diffuse from point P towards point R.
As the glucose molecules move from point P towards point R, they will continue to spread out and mix with the surrounding fluid. At point Q, which is between P and R, the concentration of glucose in the fluid will increase due to the diffusion of glucose from the blood. However, the concentration at point Q will still be lower than the initial concentration at point P.
As the glucose molecules continue to diffuse towards point R, the concentration gradient decreases. Eventually, at point R, the concentration of glucose in the fluid is 0.0 percent. This means that all the glucose molecules have diffused from the blood and mixed with the fluid, resulting in an equal concentration of glucose in the blood and the fluid at point R.
In summary, the change in glucose concentration from point P to point R is due to the process of diffusion, where glucose molecules move from an area of higher concentration (point P) to an area of lower concentration (point R) until equilibrium is reached.
the closure of a precapillary sphincter prevents blood flow to tissues from:____
The closure of a precapillary sphincter prevents blood flow to tissues from the arterioles. The closure of precapillary sphincters is one of the ways in which the body can regulate blood pressure and control blood flow to different organs and tissues.
Arterioles are small branches of arteries that carry oxygenated blood to capillaries, where the exchange of nutrients and waste products occurs between the blood and the surrounding tissues. Precapillary sphincters are small bands of smooth muscle that surround the arterioles, controlling the flow of blood into the capillaries. When the sphincters are open, blood flows freely into the capillaries, supplying oxygen and nutrients to the tissues. However, when the sphincters close, blood flow to the capillaries is restricted, reducing the supply of oxygen and nutrients to the tissues.
This mechanism is important in regulating blood flow to different areas of the body, depending on the metabolic demands of the tissues. The closure of precapillary sphincters is one of the ways in which the body can regulate blood pressure and control blood flow to different organs and tissues.
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Which of the following shows natural selection?Select one:a.A horse's parents were racers. The fastest horses are bred to produce the fastest offspring.b.Some tuna live in the Pacific Ocean. They are fast swimmers so they are likely to survive and pass on their genes.c.Some trees produce apples for baking. Seeds from the largest apples are kept to produce the next generation of trees.d.Certain rabbits are raised for fur. Rabbits with soft fur are bred with other rabbits with soft fur. They eat grain and vegetables.
Natural selection is the process in which some organisms that show better adaptation to the environment are more likely to produce an offspring. In the case of the exercise, the answer is:
b. Some tuna live in the Pacific Ocean. They are fast, so they are likely to survive and pass on their genes.
It means that as they are better adapted to that environment due to the fact they are fast swimmers, they are likely not only to survive, but to pass their genes and produce offsprings.
all you need is in the photo
ASAP
Answer:
translation; mRNA --> protein.
It includes three steps: initiation, elongation, and termination.
Explanation:
After the mRNA is processed, it carries the instructions to a ribosome in the cytoplasm. Translation occurs at the ribosome, which consists of rRNA and proteins
A doctor is testing the effectiveness of a new antibiotic. He gives the first group of patients a placebo (a capsule without any antibiotics), a second group receives a capsule with antibiotic A, while the third group receives a capsule antibiotic B. Which of the groups is considered the control group?
A. the group that received antibiotic A
B. the group that received the placebo
C. the group that received antibiotic B
D. both groups receiving antibiotic A and B
The control group would be the group that received the placebo. Option B.
What are placebos?Placebos are substances that are given to patients or applied to a condition solely for their psychological rather than their physiological effects. In other words, placebos are not drugs per se, They could be something as simple as water or waffles but are usually given to patients without telling them the active ingredients.
In the case of the doctor testing the effectiveness of a new antibiotic, the group given a placebo represents the control group. The control group in any experiment are groups that provide the reference line on which the comparison of the subjects in treatment groups is made.
The two groups that were given antibiotics A and B are treatment groups.
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Match the type of boundary with its characteristic.
A. Transform
B. Convergent
C. Divergent
1. Near subduction zones
2. Tension
3. Shearing
Answer:
Here is the matching of the types of boundaries with their characteristics:
B. Convergent - Near subduction zones
C. Divergent - Tension
A. Transform - Shearing
when a planetary object circles its star it does so in an ellipse. the length of the ellipse is defined as
a) shape
b) ellipticalness
c) eccentricity
d) distance
Answer:
the ellipse of eccentricity
What is the name of the disease resulting from amino acid metabolism disorders 1)hypoglycaemia 2)albinism 3)glycosuria 4)down syndrome
According to the research, the correct answer is Option 1. The name of the disease resulting from amino acid metabolism disorders is hypoglycemia.
What is hypoglycemia?It refers to the clinical syndrome that appears in those situations in which blood glucose concentrations are below and said decrease in levels occurs abruptly.
In this sense, this situation can occur in anyone treated with insulin or oral antidiabetic drugs such as sulfonylureas where disorders or problems with the metabolism of some sugars and amino acids (leucine) also cause hypoglycemic symptoms.
Therefore, we can conclude that according to the research, hypoglycemia occurs due to external causes and also due to problems with essential amino acids involved in glucose metabolism.
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What is the concept used to describe the action of muscles that have the ability to contract automatically in anticipation of movement
Feed-forward is used to describe the action of muscles.
What is Feed-Forward in the body?In physiology, a feed-forward homeostatic control system (also called a feed-forward homeostatic control system) enables the system to predict changes in regulatory variables.It predicts changes by virtue of the predictive effect of one intermediate on another further down the signaling pathway. Feed-forward or anticipatory control mechanisms permit the body to predict a change in the physiology of the organism and initiate a response that can reduce the movement of a regulated variable out of its normal range (7, 23).Impairments are measured and taken into account before they affect the system.In the house example, a feed-forward system could sense when a door is open and automatically turn on the heating before the house gets too cold.To learn more about feed-forward system from the given link
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Which of the following statements is FALSE regarding energy transformation?
A wind turbine can convert wind energy into electrical energy.
A hydro-electric dam uses gravitational potential energy of water stored behind the dam to convert it into electrical energy.
A boulder that is on top of a cliff has a high amount of gravitational potential energy.
A tennis ball that if falling down and about to hit the ground has a high amount of gravitational potential energy.
The false statement is, "A tennis ball that is falling and about to hit the ground has a lot of gravitational potential energy."
When a tennis ball falls, it loses some of its potential energy and gains some kinetic energy. All of the potential energy has been turned into kinetic energy at the point where the ball hits the ground. So, a tennis ball that is falling and about to hit the ground has a lot of kinetic energy, not gravitational potential energy. The amount of potential energy an object has depends on its mass, its distance from the center of the gravitational field, and the strength of the gravitational field.
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Discuss how this global circulation, and its variation from winter to summer, affects our climate in southern California. Your answer should include the following 4 items: 1. Which part of the global circulation affects us in summer? 2. How does this affect the weather? 3. Which part of the global circulation affects us in winter? 4. How does this affect the weather? This should be similar to the discussion above for India, but include as much detail as you feel is appropriate. Hint: we are located at about 34 degrees north latitude on the west coast of North America.
The global circulation patterns, specifically the North Pacific High in summer and the westerlies in winter, greatly influence the climate of Southern California.
In Southern California, the global circulation patterns have a significant influence on the climate, with variations between the summer and winter seasons. Here's how it affects the weather:
1. Summer Circulation:
During the summer, the region is influenced by the North Pacific High-pressure system, also known as the Pacific High. This semi-permanent subtropical high-pressure system develops over the northeastern Pacific Ocean, off the California coast. The Pacific High brings about stable, warm, and dry conditions to Southern California during the summer months. The clockwise circulation around the high-pressure system leads to the development of offshore winds, commonly known as Santa Ana winds, which can further amplify dry and warm conditions.
2. Summer Weather:
Due to the influence of the Pacific High, Southern California experiences hot and dry summers. The high-pressure system blocks the intrusion of marine air from the nearby ocean, resulting in limited cloud cover and minimal rainfall. The dry conditions, combined with the offshore winds, contribute to increased fire risk and elevated temperatures in inland areas.
3. Winter Circulation:
In winter, Southern California is influenced by the westerlies, which are prevailing winds that blow from west to east. The westerlies are part of the mid-latitude circulation patterns and are responsible for the movement of weather systems across the region. The jet stream, a high-speed river of air in the upper atmosphere, plays a significant role in steering storm systems during the winter months.
4. Winter Weather:
The westerlies and the associated jet stream play a crucial role in bringing precipitation to Southern California during the winter season. Storm systems from the Pacific Ocean travel eastward along the jet stream, reaching the region and bringing rainfall. The intensity and frequency of storms can vary from year to year, impacting the amount of precipitation received. These winter storms are crucial for replenishing water resources and contributing to the overall seasonal rainfall in the area.
Overall, the global circulation patterns, specifically the North Pacific High in summer and the westerlies in winter, greatly influence the climate of Southern California. Understanding these circulation patterns and their seasonal variations helps in predicting and understanding the region's weather patterns, including temperature, precipitation, and wind conditions.
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freely movable joint is also known as synovial joint why
Answer:
Why are synovial joints freely movable?
Diarthroses are freely movable articulations. ... The bones of a synovial joint are covered by a layer of hyaline cartilage that lines the epiphyses of joint ends of bone with a smooth, slippery surface that does not bind them together. This articular cartilage functions to absorb shock and reduce friction during movement.
Explanation:
please give me brainly got my answer from G00GLE so of course its correct hope i helped!!!
Answer:
Explanation:
Synovial joints (freely movable joints) allow us the free movement to perform skills and techniques during physical activity. Synovial joints have synovial fluid in the joint cavity that lubricates or 'oils' the joint so it moves smoothly. Synovial fluid is made by the synovial membrane.
The lac operon in E.coli regulates genes that code for enzymes required for the breakdown of lactose. The lac operon is
operon that is activated in the presence of
The lac operon in E.coli regulates genes that code for enzymes required for the breakdown of lactose. The lac operon is an inducible operon that is activated in the presence of lactose.
It is a cluster of genes in bacteria that is responsible for the metabolism of lactose. The lactose operon consists of three structural genes, lac Z, lac Y, and lac A, that code for enzymes that break down lactose, and a regulatory region, which includes the promoter, operator, and lac I gene. It functions as a switch that turns genes on or off in response to environmental changes. The regulatory region of the lactose operon contains the operator and the promoter. The operator is a DNA sequence that regulates the expression of the genes by acting as a binding site for the regulatory protein.
The promoter is a DNA sequence that is recognized by RNA polymerase, which initiates the transcription of the genes. The lac I gene codes for a regulatory protein called the lac repressor. The lac repressor binds to the operator region of the lac operon and prevents RNA polymerase from transcribing the genes. In the absence of lactose, the lac repressor is active and the lac operon is turned off.
When lactose is present in the environment, it binds to the lac repressor and changes its conformation, preventing it from binding to the operator. This allows RNA polymerase to bind to the promoter and transcribe the genes necessary for lactose metabolism. Thus, the lactose operon is an inducible operon that is activated in the presence of lactose.
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How do you think invasive species affect the limiting factors in a habitat
Answer:
invasive species threaten biodiversity
Explanation:
they can take up an inoordinate amount of resources that affect people and animals. they are different from reintroducing a species. invasive species are bad for biodiveristy.
What is the color of the stars with the highest temp?
Answer: Blue Stars
Explanation: The color of a star shows its surface temperature. Blue stars are the hottest, followed by white, yellow, orange, and red.