The provided photosynthesis chemical equation is balanced. It has equal numbers of each type of atom on both sides, preserving the principle of conservation of matter. This process is pivotal in nature, allowing plants to convert carbon dioxide and water into glucose and oxygen.
Explanation:In order to answer your question, we first need to provide the unbalanced equation for photosynthesis: 6CO2 + 6H2O → C6H12O6 + 6O2. To check this equation, we see that both sides each have 6 carbon atoms (C), 18 oxygen atoms (O), and 12 hydrogen atoms (H), so it is indeed balanced.
Atoms, equations, and their balance are crucial in chemistry. Balancing equations, such as the one for photosynthesis here, ensures conservation of matter, a fundamental scientific principle stating matter cannot be created or destroyed. Photosynthesis is just one fascinating example of this in biology where plants convert carbon dioxide and water into glucose and oxygen.
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a jackelope breeder wants to breed a short but fast jackalope and selects the shortest 10% of the jackalopes in the herd and breeds them with the 10% fastest but after many generations, the resulting jackalopes are neither shorter nor faster. what is one possible explanation for this result?
At which boundary does subduction stop occurring, resulting in a mountain range?
Final answer:
The jackalope breeder's lack of success is likely due to genetic factors like independent inheritance of traits, inbreeding depression, and the complexity of multiple gene interactions, as well as the potential influence of natural selection. Selecting a small percentage of traits can result in unexpected outcomes due to genetic drift and environmental changes affecting the traits' fitness.
Explanation:
A possible explanation for the jackalope breeder's failure to produce jackalopes that are both shorter and faster could be due to the complexities of genetic inheritance. When the breeder selects only the shortest 10% of jackalopes and crossbreeds them with the fastest 10%, they may be overlooking important genetic factors. For instance, the genes responsible for short stature and speed could be inherited independently of each other, meaning that breeding for one trait does not guarantee the inheritance of the other. Moreover, inbreeding within such a small percentage of the population can lead to inbreeding depression, where harmful recessive traits become more common and result in a lack of fitness in offspring. Furthermore, if the traits are not strictly hereditary, or if there is a trade-off between speed and size that is not accounted for, this could make it impossible to achieve the desired outcome. Other factors, such as genetic drift or a changing environment, could also play a role in disrupting the selection process.
Natural selection may have also played a part in this scenario. If the size and speed traits selected by the breeder do not confer an advantage in their environment, or if they are linked to traits that decrease overall fitness, these traits may not proliferate in the population despite the breeder's efforts. It's also possible that the traits the breeder is selecting for might be controlled by multiple genes, which complicates selective breeding efforts and can result in unexpected phenotypes after several generations. Additionally, the artificial selection imposed by the breeder might be counteracted by natural selection acting on the broader genetic pool.
Why malarial concepts called hypothesis?
When Charles Louis Alphonse Laveran discovered that malaria was caused by a protozoan parasite in 1880, the miasma theory began to subside. ... In the early 1890s Manson himself began to formulate the complete hypothesis, which he eventually called the mosquito-malaria theory.
Carbon is a very important part of our Earth. In fact, carbon makes life on Earth possible and exists in many different forms. Mauna Loa, Hawaii, is the site for the oldest continuous carbon dioxide (CO2) measurement station in the world. Looking at the data collected, what can you infer is the main reason for the increase in carbon dioxide?
A) Deforestation
B) Rising sea levels
C) Increased volcanic activity
D) More fossil fuels are being burned
Answer: D
Explanation:
As graph shows the most amount of carbon dioxide released from the burning of petroleum, coal and natural gas. Natural gas and coal are the fossil fuels that release carbon dioxide on burning. Petroleum is also considered as fossil fuels as it contains large amount of carbon. So the answer is the graph conclude most of the carbon emission is done due to burning of fossil fuel.
Which of these statements describing cranial nerves with parasympathetic outflow is accurate? Which of these statements describing cranial nerves with parasympathetic outflow is accurate? Postganglionic axons of cranial nerves III, VII, and IX travel with axons of the vagus nerve (cranial nerve X) to their final destinations. Cranial nerve IX, which synapses in the otic ganglion, promotes secretions of the sublingual and submandibular glands. Cranial nerve VII, which synapses in the pterygopalatine ganglion, regulates nasal secretions and tear production. Cranial nerve III promotes pupil dilation and secretions of the submandibular gland.
the correct answer is accurate:
Postganglionic axons of cranial nerves III, VII, and IX travel with axons of the vagus nerve (cranial nerve X) to their final destinations.
The parasympathetic division (craniosacral outflow) consists of cell bodies from one of two locations: the brainstem (cranial nerves III, VII, IX, X) or the sacral spinal cord (S2, S3, S4).
Answer:cranial nerve VII, which synapses in the pterygopalatine ganglion, regulates nasal secretions and tear production
Explanation:
The skin covering the human body consists of _____ layers. 6 4 3 2
the skin covering the human body consists of 2 layers.
Which of the following statements about the smooth endoplasmic reticulum is/are correct?
Liver cells are abundant in SER.
The testes and ovaries are tissue types whose cells are abundant in SER.
The SER is the primary location for synthesis of membrane-bound proteins.
Cholesterol is made in the SER.
The luminal face of the SER is the main site at which membrane lipids are synthesized.
Phospholipids are synthesized from cytosolic water soluble precursor molecules.
Lipases are the enzymes that allow lateral movement of a lipid within a leaflet.
The correct answers are:
• Liver cells are abundant in SER.
This is because liver cells contain enzymes that metabolize various lipid-soluble compounds.
• The testes and ovaries are tissue types whose cells are abundant in SER.
This is because testes and ovaries produce steroid hormones (cholesterol is the precursor for their synthesis).
• Cholesterol is made in the SER.
ER is the organelle at which all membrane lipids are synthesized.
• Phospholipids are synthesized from cytosolic water soluble precursor molecules.
Phospholipids are the main lipids that are the main structural components of the cell membrane. They are synthesized on the cytosolic side of the ER membrane, from water-soluble cytosolic precursors.
the circulation system works with the digestive as well as the what system?
Skeletal
Excretory
Answer:
excretory
Explanation:
Please help as soon as possible! :)
Hypothesis
Select an option for each scenario:
If the subject without diabetes eats a high-carb food such as the candy bar or orange smoothie, then the blood glucose levels will (increase/decrease/stay the same) after a three-hour digestion period.
If the subject without diabetes eats a low-carb food such as the cheese or peanuts, then the blood glucose levels will (increase/decrease/stay the same) after a three-hour digestion period.
If the subject with type 1 diabetes eats a high-carb food such as the candy bar or orange smoothie, then the blood glucose levels will (increase/decrease/stay the same) after a three-hour digestion period.
If the subject with type 1 diabetes eats a low-carb food such as the cheese or peanuts, then the blood glucose levels will (increase/decrease/stay the same) after a three-hour digestion period.
1. The right answer is stay the same.
In a healthy subject, a diet rich in sugar (such as starch and fast sugars) increases blood sugar in the first two hours after ingestion and then stabilizes after the third hour with the action of the patient. insulin which has a hypoglycemic action. But over time the pancreas (the organ that secretes insulin) will get tired over time if these foods are eaten excessively.
2. The right answer is stay the same.
In a healthy person, a diet of low-sugar foods (such as fiber) does not increase blood glucose (or very little) and helps maintain normal blood glucose levels. These foods are good for the health because they preserve the pancreas as long as there is not much solicitude by the presence of a hause of glucose in the blood.
3. The right answer is increase.
In a type 1 diabetic patient, the pancreas does not secrete insulin appropriately, and this is due to self-destruction of the organ by the immune system (autoimmune disease). This implies that during the ingestion of foods rich in sugars, the blood sugar will be hard to regain its normal level, that is why it remains elevated after three hours after ingestion.
4. The right answer is stay the same.
Foods low in carbohydrates are very good for the health and is recommended in the subjects diabetic (type 1 and 2) and even for the healthy subjects to avoid the appearance of the diabetes afterwards. These foods help diabetics to have controlled blood glucose levels when their degradation does not give glucose.
If a person without diabetes eats a high-carb food, their blood glucose levels will increase, while low-carb foods will keep their glucose levels the same. For a person with type 1 diabetes, high-carb foods will also increase their glucose levels, while low-carb foods will keep them the same.
Explanation:The blood glucose levels will increase after a three-hour digestion period if the subject without diabetes eats a high-carb food such as a candy bar or orange smoothie. This is because high-carb foods contain a large amount of carbohydrates, which are broken down into glucose during digestion. Without diabetes, the body can produce enough insulin to regulate the increased glucose levels.
On the other hand, if the subject without diabetes eats a low-carb food such as cheese or peanuts, the blood glucose levels will stay the same after a three-hour digestion period. Low-carb foods contain minimal carbohydrates, so there is not a significant increase in glucose levels.
For the subject with type 1 diabetes, if they eat a high-carb food such as a candy bar or orange smoothie, the blood glucose levels will increase after a three-hour digestion period. In type 1 diabetes, the pancreas does not produce enough insulin to regulate glucose effectively.
Lastly, if the subject with type 1 diabetes eats a low-carb food such as cheese or peanuts, the blood glucose levels will stay the same after a three-hour digestion period. Low-carb foods do not cause a significant increase in glucose levels and do not require much insulin for regulation.
What is the founder effect?
Sampling error that occurs during the establishment of a new population by a small number of migrants
Natural selection that acts on the founders of a new population in their new, different environment
The frequencies of alleles in a population changing slowly over generations due to chance events
A period of rapid population growth that immediately follows some population bottlenecks
The answer is B, Natural selection that acts in the founders of a new population in their new, different environment.
The best option which describes founder effect is Natural selection that acts on the founders of a new population in their new, different environment.
What is founder effect?In terms of genetics, the term "founder effect" describes the decrease in genomic variability that happens when a small group of people separates from a larger population.
The ensuing new subpopulation will eventually resemble the original tiny, isolated group in terms of genotypes and physical features, which may differ greatly from the original bigger population.
A founder effect may also account for why some genetic disorders are more prevalent in some subsets of the population. A founder effect may occasionally contribute to the development of new species.
Therefore, The best option which describes founder effect is Natural selection that acts on the founders of a new population in their new, different environment.
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Groundwater supplies can be easily contaminated by surface mining of coal. Identify how surface mining might adversely affect groundwater conditions.
A) increased runoff of poor quality water to nearby streams
B) recharge of poor quality water to shallow groundwater aquifers
C) technologies used to control water flow prevents contamination
D) increased runoff of poor quality water to nearby streams and recharge of poor quality water to shallow groundwater aquifers
hint: think about the term watershed
Answer:
its D actually
Explanation:
if a dna molecule is made up of 30% thymine what percent of it would be guanine
20% would be guanine.
All 4 bases must equal 100.
30 thymine+30 adenine=60
100-60=40 of guanine and cytosine
40÷2=20 is just guanine
Protein synthesis is a complicated process involving dna being transcribed to rna. True or False
➷ This is a true statement. The DNA is then translated into amino acids.
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Where would you expect to find the receptor for a nonpolar ligand?
A. One the cell surface
B. Either in the nucleus of the cell or in the cytosol
C. In the cytosol
D. In the nucleus of the cell
Either in the nucleus of the cell or in the cytosol.
When a virus infects a bacterial cell, often new viruses are assembled and released when the host bacterial cell is lysed. If these new viruses go on to infect new bacterial cells the host cells may not be lysed. What is the most plausible explanation for this? When a virus infects a bacterial cell, often new viruses are assembled and released when the host bacterial cell is lysed. If these new viruses go on to infect new bacterial cells the host cells may not be lysed. What is the most plausible explanation for this? The bacterial cell must be resistant to infection by the virus. The virus has entered the genome of the bacterial cell and is in the lysogenic stage. The virus carries genes that confer resistance to the host bacterial cell. The host bacterium couples the viral infection with transformation.
The correct answer is: The virus has entered the genome of the bacterial cell and is in the lysogenic stage
Lytic cycle and lysogenic cycle are types of a bacteriophage’s life cycle.
Lytic cycle can be divided in stages:
• Attachment-viruses binds to the receptor on the surface of bacterial cell, usually it uses tail for the attachment
• Entrance-virus injects its genome material (DNA or RNA) into bacteria cell
• Replication and protein synthesis-virus uses mechanism of bacteria to replicate its genome and produce proteins. As a consequence, a huge number of new viruses are formed
• Lysis- viruses express protein for the bacterial lysis (bacterial cell expand and burst) and hundreds of new phages are released.
Lysogenic cycle is different: bacteriophage’s genetic material-prophage, integrates into the host bacterium's genome or forms circular replicon in the bacterial cytoplasm. Bacterium continues to live and reproduce normally but prophage can be transmitted to daughter cells.
If one says that the clearance value of glucose is zero, what does this mean? Question options:Most of the glucose is filtered out of the blood and is not reabsorbed in the convoluted tubules.The clearance value of glucose is relatively high in a healthy adult.The glucose molecule is too large to be filtered out of the blood.Normally all the glucose is reabsorbed.
Normally all the glucose is reabsorbed.
A routine scan of an elderly man reveals partial occlusion of the right internal carotid artery, yet blood supply to his cerebrum is unimpaired. what are two possible causes of the occlusion? what anastomosis is maintaining blood supply to the brain and by what (probable) route(s)?
The partial occlusion of the right internal carotid artery might be caused by arteriosclerosis or a thrombus, while the anastomosis within the circle of Willis, particularly the anterior communicating artery, maintains blood supply to the brain.
Two possible causes of partial occlusion of the right internal carotid artery in an elderly man can be attributed to arteriosclerosis (thickening or hardening of the artery walls) or the formation of a thrombus (blood clot). Despite the occlusion, the blood supply to the cerebrum remains unimpaired, likely due to the anastomosis within the circle of Willis, which includes the anterior communicating artery and other collateral pathways. The circle of Willis is a ring of interconnected arteries located at the base of the brain that ensures continual blood supply even if one part is compromised. The routes by which blood is still able to reach the brain despite the partial occlusion could be through the opposite internal carotid artery, via the anterior communicating artery, or through the vertebral arteries that supply blood to the posterior part of the brain and contribute to the circle of Willis.
about 43% of blood consists of red blood cells.
true or false
i think it would be true but not 100% sure
I believe it is somewhere between 40-45% so the answer should be true
Visually analyze the wells colored with btb, and remember that acids are organized by columns and bases are organized by rows. what specific acids or bases are weak or strong acids or bases? explain why.
b)What is the value of using pH paper as an indicator?(1)It’s color coded and has a key, so it’s visually easy to see.
To visually analyze the wells colored with BTB (Bromothymol Blue) and determine the strength of acids and bases, it is required to observe the color changes exhibited by the indicator in different wells.
If a column of wells exhibits a bright yellow color, it indicates the presence of a strong acid. Strong acids completely dissociate in water, releasing a high concentration of hydrogen ions (H+), which turns the BTB indicator yellow.
If a column of wells shows a lighter shade of yellow or a transition from yellow to green, it indicates the presence of a weak acid. Weak acids partially dissociate in water, resulting in a lower concentration of hydrogen ions compared to strong acids.
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How does Earth’s tilt affect climate?
The larger the tilt, the smaller the temperature difference is between summer and winter.
The smaller the tilt, the smaller the temperature difference is between summer and winter.
The larger the tilt, the warmer the summer.
The smaller the tilt, the warmer the summer.
bc the more the earth tilts the farther away that part of the earth gets from the sun so therefor its not goin to be as hot over there
Earth's tilt affects climate by influencing the seasonal temperature. A larger tilt leads to warmer summers and colder winters due to more extreme variations in sunlight received, while a smaller tilt results in less drastic temperature differences between seasons.
The tilt of Earth's axis affects climate by contributing to the seasonal differences in temperature and climate patterns. A larger tilt means that the hemisphere tilting towards the Sun will experience more direct sunlight during summer, leading to warmer summers and colder winters as more energy is absorbed. Conversely, when the hemisphere is tilted away from the Sun during winter, it receives less direct sunlight, resulting in colder temperatures. A smaller tilt, on the other hand, would result in smaller temperature differences between summer and winter because the variation in sunlight received would be less extreme.
In summary, the correct statements regarding Earth's tilt and its effect on climate are:
The larger the tilt, the warmer the summer.
The smaller the tilt, the smaller the temperature difference is between summer and winter.
How do vaccines prevent disease?
Answer:
Vaccines introduce an attenuated form of the virus or bacteria into the body.
Explanation:
Vaccines introduce an attenuated form of the virus or bacteria into the body, meaning the virulence of the virus or bacteria has been negated. Introduction of this attenuated form enables the immune cells to easily eliminate the pathogen even without getting diseased and later have memory (in memory B and T cells) so that in case of a real infection, it is easily eradicated.
Maxwell shoots a rubber band at his friend Jimmy. Which type of energy is converted into kinetic energy?
Elastic potential energy is converted to kinetic energy
What causes asthma?
A. Bacteria that are resistant to antibiotics infect the body.
B. Particular antigens trigger muscle contractions that make it difficult to breathe.
C. Antibodies and cytotoxic T cells attack cells in the tissues of the lungs.
D. Mosquito-borne pathogens enter the bloodstream.
Particular antigens trigger muscle contractions that make it difficult to breathe causes Asthma .
The correct option is B .
Asthma is a chronic respiratory condition that is caused by inflammation and narrowing of the airways in the lungs. It is triggered by certain antigens, such as allergens or irritants, which lead to muscle contractions around the airways (bronchoconstriction) and increased production of mucus.
These factors result in difficulty breathing and characteristic symptoms of asthma, such as wheezing, coughing, and shortness of breath. Bacteria that are resistant to antibiotics infect the body: Asthma is not caused by bacterial infections, and it is not related to antibiotic resistance.
Antibodies and cytotoxic T cells attack cells in the tissues of the lungs: This statement describes an autoimmune response, which is not a cause of asthma.
Hence , B is the correct option
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The ________ are double sheets of peritoneal membrane that suspend the visceral organs and carry nerves
The mesenteries are double sheets of peritoneal membrane that suspend the visceral organs and carry nerves
Thanks to the mesentery the intestines are attached to the posterior abdominal wall. Mesentery is formed by the double fold of peritoneum (double layers of peritoneum) and its roles are to help in storing fat and to allow blood vessels, lymphatics, and nerves to supply the intestines.
The Mesenteries are double sheets of peritoneal membrane that suspend visceral organs and carry nerves.
Here is a step-by-step explanation to make it more understandable:
The peritoneum is a large serous membrane that lines the abdominal cavity and covers most of the digestive organs.The peritoneum can be divided into two main layers: the parietal peritoneum which lines the abdominal wall, and the visceral peritoneum which covers the organs.Mesenteries are formed by the double folding of the peritoneum. These structures are crucial because they help to suspend and hold the organs in place within the abdominal cavity.Important functions of mesenteries include carrying the blood vessels, lymphatic vessels, and nerves that supply the organs they are connected to.To what extent has the presence of a true coelom in animals changed over the course of evolution?
The presence or absence of a true coelom appears not to have changed during the course of evolution.
The presence or absence of a true coelom appears to have changed exactly once during the course of evolution.
It is impossible to tell whether the presence or absence of a true coelom has changed during the course of evolution.
The presence or absence of a true coelom appears to have changed multiple times during the course of evolution.
Option D is the correct answer.
To what extent has the presence of a true coelom in animals changed over the course of evolution?
A coelom is a body cavity that is formed from the mesoderm tissue.
Option D - The presence or absence of a true coelom appears to have changed multiple times during the course of evolution.
Answer:
The presence or absence of a true coelom appears to have changed multiple times during the course of evolution.
Explanation:
A coelom is a fluid-filled body cavity that is completely lined by tissue created from the mesoderm, the middle layer of the primary cells found in an embryo. It is typically found in multicellular organisms, which are living things that have more than one cell.
Direct observation is the simplest and most effective method to determine population size. Please select the best answer from the choices provided T F
False. Direct observation is NOT the simplest and most effective method to determine population size.
Refraction occurs when light's ___________________ changes. A speed B direction C amplitude D color
Refraction occurs when light's direction changes.
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The pharyngeal-esophageal phase of swallowing is involuntary and is controlled by the swallowing center in the thalamus and lower pons.
True
False
The answer is false.
The pharyngeal phase is the involuntary closure of the larynx by the epiglottis and vocal cords, and the temporary inhibition of breathing.
The pharyngeal-esophageal phase of swallowing is controlled by the medulla oblongata and the lower pons of the brainstem, not the thalamus, hence the statement is false.
Explanation:The statement is false. The pharyngeal-esophageal phase of swallowing, also known as the voluntary phase, is actually controlled by the swallowing center in the medulla oblongata and the lower pons of the brainstem, not the thalamus. During this phase, the bolus of food moves from the pharynx to the esophagus due to a series of involuntary contractions known as peristalsis.
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how does the lymphatic system work
Hello =)
The primary function of the lymphatic system is to transport lymph, a fluid containing infection-fighting white blood cells, throughout the body.
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Define gas exchange and distinguish between a respiratory medium and a respiratory surface
Answer: Hope this helps
GAS EXCHANGE: the intake of Oxygen and the expulsion of Carbon dioxide. In the capillaries of the alveoli, oxygen travels due to the concentration gradient into those capillaries. Carbon dioxide is then expelled from those capillaries.
RESPIRATORY MEDIUM: is air for animals and water for fish. It is basically the substance through with living animals receive their oxygen.
RESPIRATORY SURFACE: is where the gaseous exchange takes place. The oxygen and carbon dioxide move across the respiratory surface entirely by diffusion.
All of the following are part of the core oligosaccharide side chain in the ER except
A) erythrose.
B) glucose.
C) mannose.
D) N-acetyl glucosamine.
E) All are part of the core oligosaccharide.
The answer you are looking for is A) erythrose.