Please find attached a sketch of the rate of reaction enhanced by pepsin at various pH, which shows a peak in the reaction rate at a pH of 2, and a reduction to (almost) zero rate of reaction at a pH of 6.
How can the variation of the rate of reaction with pH be graphically presented?(a) The given parameters for the enzyme, pepsin are;
Type of enzyme = Protein–digesting enzymeLocation of enzyme = The stomachEnzyme optimum pH = 2pH at which the enzyme is denatured = 6Required;
A sketch of a curve that shows the effect of varying pH values on the reaction rate of pepsin.
Solution;
An enzyme is denatured when it is not able to function to affect the rate of a reaction due to the loss of its tertiary or three dimensional structure.
The rate of the reaction when pepsin is denatured at a pH of 6 can therefore be taken as zero.
The graph of the variation of the rate of reaction for pepsin with pH consists of a curve that has a peak reaction rate at a pH of 2, and slopes downwards towards a reaction rate of zero at a pH of 6.
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The movement of water from an area of high concentration to an
area of low concentration is called ......
The movement of
other molecules such as smoke or oxygen from an area of high concentration to an area of low concentration is called....
Answer:
1. Osmosis
2. Diffusion
Explanation:
The movement of water from an area of high concentration to an area of low concentration is called osmosis.
The movement of other molecules such as smoke or oxygen from an area of high concentration to an area of low concentration is called diffusion.
The movement of water from an area of high concentration to an area of low concentration is called osmosis.
Osmosis is a passive process that moves water molecules across a membrane that is semipermeable to solutes and other substances but impermeable to water molecules. The gradient in solute concentration determines the direction of flow, with water moving from areas of low solute concentration (hypotonic) to areas of high solute concentration (hypertonic) until equilibrium is achieved.
Osmosis is a fundamental process for preserving water balance in living things and is essential for many biological functions, such as cellular activity and water uptake by plants.
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which location is most commonloy used by veterinary professionals to take a animals pulse
Answer:
The easiest way to take a pulse is to put your hand on the left side of your pet's chest where the elbow meets the chest. At this location, one should be able to feel the heart beating. Count how many times you feel the heartbeat for 15 seconds and then multiply by four to calculate beats per minute.
Explanation:
Answer:
On the left side of the animals chest
Explanation:
Name and discuss one way that antiscience attitudes have affected actual legislation in the United States.
The one way in which antiscience attitudes have affected actual legislation in the United State was them viewing the recent coronavirus as a political occurrence.
What is Antiscience attitude?These refers to the different types of attitude which refutes science and its other scientific methods.
President Trump believed the Coronavirus pandemic was caused by Biden's loyalists who were in support of his election thereby tarnishing his own image to the public.
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Defend the following statement: The body's response to high elevations is an excellent example of homeostasis.
The body's response to high elevations is a great example of homeostasis because it shows how the body can maintain stable internal conditions despite changes in the external environment by initiating various physiological responses.
What is Homeostasis?Homeostasis is the process by which the body maintains a stable internal environment despite changes in the external environment. When we go to high elevations, the air pressure decreases, which causes a reduction in the partial pressure of oxygen. This change in the external environment can have significant effects on the body, such as hypoxia or altitude sickness.
To maintain homeostasis, the body initiates several physiological responses to cope with the decrease in oxygen availability at high elevations. These responses include increased respiration, increased heart rate, and increased production of red blood cells.
All of these responses work together to maintain the body's oxygen supply and prevent hypoxia, which is a state of insufficient oxygen supply to the tissues. By maintaining adequate oxygenation, the body can function normally despite the change in the external environment. Therefore, the body's response to high elevations is a great example of homeostasis.
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pls help me. with the help of diagram describe the structure of stomach
Answer:
The stomach is a muscular organ located on the left side of the upper abdomen. The stomach receives food from the esophagus. As food reaches the end of the esophagus, it enters the stomach through a muscular valve called the lower esophageal sphincter. The stomach secretes acid and enzymes that digest food.
Hope this helps:)
A neuron is A. a group of cells specialized for a particular type of information storage. B. one of the fibers connecting the eye to the visual cortex. C. an individual cell within the nervous system. D. a region within the brain dedicated to a single function.
Answer:
It is C bro
Explanation:
Good luck
In the above animal cell, what is the function of the cellular organelle labeled with the letter Z? A. contains the cellular DNA B. provides the cell with energy C. digests cellular wastes D. packages and distributes proteins and lipids
Answer:
a - contains the cellular dna
Explanation:
i got it right on study island
Answer:
provides the cell with energy
Explanation:
Determine whether the statement is trule or false, and why. “Muscles only work to produce movement by pulling, they cannot push."
A. False, it should read "Muscles only work to produce movement by pushing, they cannot pull."
B. False, it should read "A muscle works to produce movement by pushing and pulling."
C. False, it should read "Muscles only work to produce movement by contracting, they cannot push or pull."
D. True
It should be noted that muscles only work to produce movement through pulling, muscles cannot push. Therefore, the statement is true.
Muscles allow people to move by pulling in the joints. Muscles are required to breathe, exercise and stay healthy.
There are three main form of muscles in the human body and they're:
• Skeletal muscles: The muscles give the body its shape as they help in holding the skeleton together.
• Smooth muscle: They're also called the involuntary muscle. They consist of fibers and are controlled by the nervous system. They help in maintaining blood pressure.
• Cardiac muscle: This is the muscle that's found in the heart. It helps in ensuring that the heart function well.
In conclusion, muscles only work to produce movement by pulling, they cannot push.
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bible verses about responsibility
Answer:1 Timothy 5:8
Explanation:
“But if anyone does not provide for his relatives, and especially for members of his household, he has denied the faith and is worse than an unbeliever.” If you can please answer my questions too!! Thx!
What happens in the process of gravitational condensation?
In the process of gravitational condensation, an object decreases in size due to the collision of materials.
When two materials collide, an object shrinks in size. Materials from solar nebulae are used to create gas particles. Materials from the solar nebula are converted into solid particles.
The force that pulls objects with mass toward the Earth and attracts them there is known as gravitational force. It should be understood that when heated water transforms from a liquid condition to a gaseous state, the size will decrease.
We observe that the cohesive forces of fluids that cause droplets to coalesce and bond together, as well as the quantum condensation of a BEC, are comparable to the effects of gravity on matter.
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Katherine has recorded the temperature outside each day for one week. The daily temperatures are recorded in the table. Calculate the average temperature for the week. Round to the nearest whole number.
Answer:
71 °F
Explanation:
i had to fail to get the answer lol
State four aims for conducting campaigns
Campaigns are an essential component of modern-day marketing and communication strategies. Whether they are designed for promoting a new product or service, raising awareness about a particular issue, or mobilizing support for a social cause, campaigns play a vital role in shaping public opinion and behavior.
Some of the main aims of conducting campaigns include: Creating awareness: One of the primary aims of campaigns is to create awareness about a particular issue, product, or service. This can involve using various mediums such as advertising, social media, or public relations to reach a broad audience and educate them about the subject matter.
Driving engagement: Campaigns are also designed to encourage engagement with the target audience. This can involve encouraging people to sign up for a newsletter, participate in a survey, or attend an event. By driving engagement, campaigns can help build a community around the brand or cause being promoted.
Fluencing behavior: Another key aim of campaigns is to influence behavior. This can involve encouraging people to adopt new habits or behaviors, such as recycling more or eating healthier, or convincing them to change their attitudes or opinions on a particular issue.
Generating leads: Finally, campaigns can be designed to generate leads or sales. This can involve offering special promotions or discounts to incentivize people to purchase a product or service. By generating leads, campaigns can help drive revenue and grow the business.
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Grey decides to take his jet-ski out for a spin. He first skis six meters south, and then turns west and skis eight meters. What is Grey's distance from the dock? What is his displacement from the dock?
How do the layers of the atmosphere help to understand better the dynamics of the atmosphere and its relationship to the hydrosphere and lithosphere?
There are various layers that make up the atmosphere, and each has distinct properties and functions. Both weather generation and energy transmission take place in the troposphere, which is closest to the Earth's surface.
The stratosphere shields the Earth from damaging UV radiation along with the ozone layer. Most auroras happen in the mesosphere, where meteors burn up. Modern technology is dependent on the thermosphere, where the majority of the Earth's satellites orbit and where communication signals are sent.
The dynamics of the atmosphere and its interactions with the hydrosphere and lithosphere are better understood thanks to these layers. Foreseeing and minimising environmental problems like climate change and preserving our world, it is essential to understand the significance of each layer.
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What is the answer to this please?
Answer:
convection
Explanation:
Answer:
Radiation
Explanation:
Least specialized cells to most specialized cells
Answer:
1) Zygote cell
2) Blastocyst cells
3) Mesoderm cells
4) Heart Cells
Hopefully, it helps. :)
!!!Please help!!!
What statement describes the process of solar nuclear fusion?
A. Hydrogen molecules are fused together and become hydrogen molecules, giving off large amounts of energy
B. Hydrogen molecules are fused together and become oxygen molecules, giving off large amounts of energy.
C. Hydrogen atoms are fused into deuterium, then helium -4, then back into hydrogen, each step giving off large amounts of energy
D. Hydrogen atoms are fused into deuterium, then helium -3, then helium-4, each step giving off large amounts of energy
Answer:
B
Explanation:
Fusing both molecules would create a blast of energy not even the atoms can withstand so they explode but implode at the same time.
Which of the following represents an in vivo method for cultivating viruses.
a.) HeLa cells
b.) Pure bacterial cell cultures
c.) Embryonated chicken eggs
d.) Lung cell culture
Embryonated chicken eggs represents an in vivo method for cultivating viruses. (option c)
To cultivate viruses in a living system, an in vivo method is used. Among the options provided, embryonated chicken eggs are the most commonly used method for culturing viruses in a living organism.
HeLa cells: HeLa cells (a) are human cancer cells commonly used in laboratory research, but they are not a living organism suitable for virus cultivation.
Pure bacterial cell cultures: Bacterial cell cultures (b) are often used to study bacteriophages, which are viruses that infect bacteria. However, this method involves culturing viruses in bacterial hosts and does not involve a living organism.
Embryonated chicken eggs: Embryonated chicken eggs (c) are a widely used method for virus cultivation. In this method, viruses are injected into the developing embryo, which provides an environment for viral replication. The embryos provide a controlled and nutrient-rich environment for the viruses to grow and propagate.
Lung cell culture: Lung cell culture (d) involves growing lung cells in a laboratory setting. While this method can be used to study certain viruses, it is an in vitro (outside a living organism) method rather than an in vivo method.
In conclusion, the in vivo method for cultivating viruses among the options provided is embryonated chicken eggs. This method provides a living system in which viruses can replicate and propagate. (option c)
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what word best describes the structure of a cell membrane
Answer:
Layered
Explanation:
Cell membranes are based on lipid bilayer. Plasma membranes consist of a lipid bilayer with proteins embedded in the bilayer. The principle lipids are phospholipids. A phospholipid molecules has a hydrophilic head with a phosphate group as part of its structure and two hydrophobic tails.
Look at the graphic in the section "What Are the Steps In The Scientific Method?"
According to the article, what is represented by the step called "Hypothesis"?
Answer:
Brief description of the Orginal experiment state what was done
Explanation:
What did you change?
How did the changes help answer the question
Which of the following substances is NOT able to simply diffuse across the 1 point
plasma membrane?*
Water
Oxygen
Carbon Dioxide
Sodium
Answer:
Sodium
Explanation:
because ions have a charge which prevents them from moving across the cell membrane through simple diffusion
answer the question please
The terms that are associated with the shaded area (red) around the Pacific Ocean, which includes El Misti, Lassen Peak, Mt. Fuji, and Tarawera are: Ring of Fire, Volcanoes, and Subduction
What is the Pacific Ring of Fire?The Pacific Ring of Fire is an area around the Pacific Ocean where many active volcanoes and earthquakes occur.
It is called the "Ring of Fire" because it is shaped like a horseshoe or ring and includes countries such as Japan, the Philippines, Indonesia, the United States, and Chile.
This area is characterized by frequent volcanic eruptions and earthquakes due to the movement and collision of tectonic plates.
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Complete question:
Select all of the terms that are associated with the shaded area (red) around the Pacific Ocean, that includes El Misti, Lassen Peak, Mt. Fuji, and Tarawera.
Ring of Fire
Divergent Boundary
Volcanoes
Hot Spot
Subduction
which outcomes are a result of exposure to a toxin?
l. Cancers
ll. Birth defects
lll. Fatigue
PLEASE ANSWER SHOULD BE CORRECT ⬇️
A. l only
B. l and ll
C. ll and lll
D. l, ll and lll
Answer:
l and ll is the answer for the question
Answer:
I and II
Explanation:
exposure to toxics cause increased chances of birth defects and increases the chances of cancers.
Speciation that involves the formation of many different species from one
common ancestor is called
A. linear adaptation
B. adaptive radiation
C. gradual speciation
D. natural selection
Answer: adaptive radiation
Explanation:
Which are vital signs?
O temperature, respiratory rate, and weight
O muscle mass, height, and weight
Oheart rate, temperature, and height
temperature, respiratory rate, and heart rate
The correct combination of vital signs is temperature, respiratory rate, and heart rate.
Vital signs are key measurements that provide important indicators of a person's physiological status and overall health. They help healthcare professionals assess and monitor a patient's condition. The vital signs typically include temperature, respiratory rate, heart rate, and blood pressure. Among the options provided, the correct combination of vital signs is temperature, respiratory rate, and heart rate.
Temperature is a measure of the body's internal heat. It can be measured orally, rectally, or with the help of infrared thermometers. Deviations from the normal range may indicate fever or hypothermia, which can be indicative of underlying health issues.
The respiratory rate refers to the number of breaths a person takes per minute. It provides insight into lung function and overall respiratory health. Abnormal respiratory rates may suggest respiratory distress or underlying pulmonary conditions.
Heart rate, also known as pulse rate, measures the number of times the heart beats per minute. It reflects cardiac activity and can be assessed by feeling the pulse at various points in the body. Deviations from the normal heart rate can indicate cardiovascular problems or other physiological abnormalities.
Weight, muscle mass, and height are not typically considered vital signs. They are important anthropometric measurements used for assessing overall body composition, growth, and nutritional status. While these measurements are relevant in healthcare, they are not classified as vital signs.
In summary, the vital signs include temperature, respiratory rate, and heart rate. Monitoring these parameters allows healthcare professionals to gain valuable insights into a patient's health status, identify potential issues, and make informed decisions regarding treatment and care.
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The process of photosynthesis requires the starting materials
Answer:
Carbon Dioxide, Water, and sunlight
Explanation:
Answer:CO2 and H2O
Explanation:
List three Movement for which Absolute Angle of a body segment is important
Answer:
Explanation:
abduction/adduction
flexion/extension
internal lexternal rotation.
Explanation:
Answer:
abduction/adduction
flexion/extension
internal lexternal rotation.
Explanation:
For this discussion post, I read the article “A creator of ‘CRISPR babies’ nears release from prison, where does embryo editing stand?
This article explained how biophysicist He Jiankui, who used the genome editor CRISPR to create the world's first genetically engineered babies, may be released from prison this week.
His November 2018 announcement about gene editing was well received. Still, Fyodor Urnov sees no circumstance that would justify efforts to modify babies genetically. Urnov supports using CRISPR to fix disease-causing mutations after birth. The work has proceeded with little notice, and oversight measures to stop rogue experiments like He's have stalled. A study showed how CRISPR could get rid of a newly fertilized egg of an extra copy of a chromosome. This problem can lead to Down syndrome and other medical conditions. The initial concerns about designer babies centered on CRISPR's sloppiness. But a study of CRISPR-altered human embryos found 16% had these "unintended editing outcomes" at the targeted DNA, and genetic screening of edited IVF embryos might not catch these errors. Stem cell researcher Dietrich Egli hopes to find a way to start and stop CRISPR at the embryo's single-cell stage. In a preprint posted on bioRxiv on 10 March, Egli's group demonstrated a strategy for trisomy, an errant third chromosome, by targeting an extra paternal or maternal chromosome copy with a CRISPR cut at or near its centromere.
If CRISPR does not correct the trisomy in all of the cells in an early embryo, a natural "rescue mechanism" might eliminate the abnormal cells. However, there are still multiple obstacles to overcome. Researchers are trying to use CRISPR to edit human embryos but need help beyond science. Editing the DNA of egg or sperm precursor cells may avoid some of these hurdles, improving the odds of getting it right. Orwig's team is exploring a different route to creating edited sperm stem cells by reprogramming adult human cells into a stem cell state and trying to coax them partly down the pathway that produces sperm. However, reprogrammed adult cells only survive when placed into newborn animals, which is unrealistic for humans. Scientists say the increased awareness of CRISPR's shortcomings has underscored the recklessness of transplanting edited embryos with today's technology. Still, some scientists are openly advocating for the practice.
find something interesting and 1-2 questions about the summary
One interesting aspect of the article is the discussion around using CRISPR to edit disease-causing mutations after birth, rather than in embryos.
What is the authenticity if genetically modifying babies ?Fyodor Urnov supports this approach and believes that there is no circumstance that would justify modifying babies genetically. This raises the question of whether there is a moral or ethical line that should not be crossed when it comes to genetic modification of humans, even if it is done to prevent or treat disease.
Another interesting point is the potential use of CRISPR to edit the DNA of egg or sperm precursor cells to avoid some of the hurdles of editing embryos. This raises the question of how this approach would be implemented and regulated, as it involves altering the genetic material of potential future offspring before they are even conceived.
Overall, the article highlights the ongoing debate and ethical considerations around the use of CRISPR for genetic modification in humans, as well as the need for continued research and oversight to ensure that any such use is safe and ethical.
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Which of the following contains tracts that connect the cerebellum to a greater variety of other brain regions than do the others?A: middle cerebellar peduncleB: vermisC: inferior cerebellar peduncleD: arbor vitae
Inferior cerebellar peduncle contains the tracts that connect the cerebellum to a greater variety of other brain regions.
The inferior cerebellar peduncles are connected structures comprising essential white matter fiber tracts that also connect the cerebellum to the medulla.
There are four afferent tracts (posterior spinocerebellar, vestibulocerebellar, olivocerebellar, and reticulocerebellar) and one efferent tract in the inferior cerebellar peduncle (the cerebellovestibular tract). The middle cerebellar peduncle is the widest and consists of only pontine nucleus afferent fibers.
The inferior cerebellar peduncle (ICP) is a significant neural tract in the cerebellum and is associated with the synchronization of motion and reflexes; consequently, ICP damage can be associated with poor coordination of mobility, including ataxia.
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What does the following image show ?