By controlling gene expression, the nucleus aids in a cell's homeostasis. In contrast to the outside, homeostasis is a constant condition that exists inside the cell.
To fuel the synthesis of proteins and other biological components, cells need a steady flow of energy in order to maintain homeostasis. The cell membrane, which isolates the cell from its surroundings, is one of the components that make up the internal structure of the cell. Genes, which are stored in the nucleus, are expressed to regulate protein synthesis. The microenvironment of the nucleus regulates the timing of gene transcription and keeps protein synthesis in step with the needs of the cell. In order to maintain the ideal conditions for optimal performance, mitochondria also contribute to the maintenance of the cell's environment (homeostasis). Free calcium is stored and released to do this. Mitochondria control both cell division and cellular proliferation.
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Consider one of the procedures where amylase and starch are reacting. If there is strong amylase activity and it is breaking down starch, then you would assign an enzyme activity level of ________.
Consider one of the procedures where amylase and starch are reacting. If there is strong amylase activity and it is breaking down starch, then you would assign an enzyme activity level of A) 3.
Enzymes can be described as biological catalysts that help in reducing the activation energy of a reaction thus increasing the rate of a reaction.
Amylases can be described as enzymes that break down starch into simpler and smaller carbohydrates.
There are different levels through which the activity of an enzyme is analyzed. These degrees are
no enzyme activity ------- level 0
low enzyme activity ------ level 1
moderate enzyme activity -------- level 2
high enzyme activity ------ level 3
In the case above, as there is strong amylase activity due to which the breaking down of starch is occurring rapidly, then for such a reaction the enzyme activity level will be 3 i.e high enzyme activity.
Although a part of your question is missing, you might be referring to this question:
Consider one of the procedures where amylase and starch are reacting. If there is strong amylase activity and it is breaking down starch, then you would assign an enzyme activity level of
A) 3
B) 55
C) 0
D) 37
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please can you help me on this question
Fill in the missing word. In plants, __________ is used to strengthen the cell wall.
In a seismograph, which part is directly attached to the earth?
[tex]{ \qquad\qquad\huge\underline{{\sf Answer}}} [/tex]
In a seismograph, The other components like weight pen and spring are sunspended in air, where as the rotating drum is directly attached to the group, which allows movement on ground to move the drum as well, making graph of the quake.
In a seismograph, drum is the part which is directly attached to the earth.
What part of the seismometer is attached to the ground?
The motion between the weight and the frame provides a measurement of the motion of the earth. A rotating drum is attached to the frame of the recording device and a pen is also attached to the weight which causes recording of ground motion in a seismogram. Any movement from the earth moves the frame which make a graph that shows the intensity of earthquake on the scale. A seismograph is also known as seismometer which is an instrument that is used to detect and record earthquakes.
So we can conclude that In a seismograph, drum is the part which is directly attached to the earth.
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Which plasma membrane component can be either found on the surface or embedded in the plasma membrane itself?
The peripheral proteins of the plasma membrane can either be found on the surface or embedded in the plasma membrane itself.
What are peripheral proteins?The second most important constituent of plasma membranes is protein. Membrane proteins fall into two basic categories: integral and peripheral.
On both the inside and outside of membranes, peripheral membrane proteins can be found, often bound to phospholipids or integral proteins. Peripheral membrane proteins are often more loosely linked than integral membrane proteins because they do not adhere to the hydrophobic center of the membrane.
Therefore, the proteins of the plasma membrane can either be found on the surface or embedded in the plasma membrane itself are peripheral proteins.
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What is a primary mechanism of homeostasis whereby a change in the body triggers a response to counteract the change?
Negative feedback
Positive feedback
Negative response
Positive response
Which of the following levels of
organization would INCLUDE EXACTLY two
of the other levels?
Cells
Tissues
Organs
Organ system
What background information does Orwell describe before that event? (Where, physically, is the story set, and what is the historical time period?) What events lead up to the shooting of the elephant?
The story of a British police officer who was sent to Burma to shoot an elephant that had killed an Indian man is told in the essay "Shooting an Elephant" .
Beginning with a few of his memories from his time as a young police officer serving in Burma, Orwell shares his experiences.
Orwell claims that these encounters left him with two things: they confirmed his already-formed belief that imperialism was bad and they created in him a hate of the animosity that existed between European imperialists and their local subjects.
The major action of Orwell's narrative occurs in Moulmein, a city in Lower Burma. One of the domesticated elephants that the locals own and utilize has been causing mayhem throughout the bazaar after giving its rider, or mahout, the slip. It has demolished huts, butchered cows, and descended on fruit stands in search of sustenance.
He then kills the elephant from a safe distance and is amazed at how long it takes the beast to pass away. At the conclusion of the essay, he admits that the sole reason he shot the elephant was to avoid appearing foolish.
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the type of dating that establishes a sequence for the artifacts and fossils found at a site, but that does not establish a specific age for these items, is called
The type of dating that establishes a sequence for the artifacts and fossils found at a site, but that does not establish a specific age for these items, is called relative dating.
Archaeologists employ absolute dating to determine an object's precise age. Absolute dating techniques take measurements of an object's physical characteristics and utilise the results to determine its age. Radiocarbon dating is one of the best absolute dating techniques for archaeologists.Chronometric and relative dating methods are the two major categories in archaeology. Chronometric dating methods give an exact chronological date or range for a historical event.Simply said, a fossil is a piece of an extinct organism, whether it be an animal or a plant. On the other hand, an artefact is a priceless archaeological object that was discovered underground or somewhere. Artifacts hold great cultural significance. Fossils have significant historical and scientific value.To learn more about Artifacts.
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what organelle is associated with pinocytosis
Answer:
The plasma membrane
Explanation:
Pinocytosis is the process of a portion of the plasma membrane folding inwards and forming a vesicle that "gulps" molecules in the extracellular fluid. Because all solutes in the fluid are taken into the cell, pinocytosis is considered a very nonspecific way for solutes to enter the cell.
The image below shows part of a plant root.
The plant root is adapted for absorbing water from the soil.
Use information from the diagram to explain how this plant root is adapted for
absorbing water.
Answer:
Plants absorb water from the soil by osmosis. Root hair cells are adapted for this by having a large surface area to speed up osmosis.
Explanation:
Mechanical stress on weight-bearing bones plays a large part in bone remodeling. What single factor plays the largest role in maintaining adequate bone strength?.
Mechanical stress on weight-bearing bones plays a large part in bone remodeling. Gravity is the single factor that plays the largest role in maintaining adequate bone strength.
It is the function of gravity to provide mechanical stress or load to the bones. It is the result of this mechanical stress that bones get the specific density that is required for support.
It is due to this reason that astronauts tend to exercise regularly in space so that their bone density can be maintained.
If bone density is not maintained by gravity, then bones can lose their strength, and hence a body will difficulty in support and movement.
Bones have the ability to reshape and remodel themselves. Hence, constant stress shall be applied to them for their strengthening. Gravity acts as a single factor that is continuous in applying stress to the bones.
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Explain why both magnification and resolution are important in order to see a microscopic organism.
Magnification and resolution are crucial since the former enlarges the image while the latter gives it structure and detail, producing the ideal picture.
Why is resolution important in microscopy?Many microscopists do not try to obtain the maximum picture resolution that is feasible with their tools when doing daily routine observations. The most crucial aspect of the optical system of a microscope is its resolving power, which affects the capacity to discern between minute features of a given specimen.
The objective numerical aperture is the main factor in determining resolution, but resolution is also influenced by the type of specimen, coherence of illumination, degree of aberration correction, and other factors like contrast-enhancing techniques in the microscope's optical system or in the specimen itself.
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Please help!!
Describe the nitrogen cycle.
Answer:
The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates among atmospheric, terrestrial, and marine ecosystems. The conversion of nitrogen can be carried out through both biological and physical processes.
Answer: biogeochemical cycle
Explanation: nitrogen is converted into multiple chemical forms as it circulates among atmospheric terrestrial, and marine ecosystems. The conversion of nitrogen can be carried out through both biological and physical processes.
PLEASE HELP FAST IM RUNNING OUT OF TIME
1. Describe the effects the 3 limiting factors had on the cricket frog population.
2. Explain what change occurred with the moth population after the industrial revolution
The effects the 3 limiting factors had on the cricket frog population
are:
There was a decrease due to predator attacks there is an increase in the population due to increase in pollution. another increase due to more food sources.2. After the industrial revolution, there was a shift in the moth population
What is population?Population typically refers to the number of people or organisms in a single area, whether it be a city or town, region, country, continent, or the world.
From the first question, the effects the 3 limiting factors had on the cricket frog population is:
When the predators population is increased, there will be high risk to the cricket frog from these predators as they may start attacking them rigorously and ultimately lead to a sharp decline in their population. Pollution is a favorable factor that causes cricket frogs to flourish and increase in number. Thus the higher the pollution level, the higher will be the population of cricket frog. Food sources will reduce the competition with in the cricket frog species and hence there population will increase.From the number 2 question,
After the industrial revolution, the moth population shifted because light-colored moths became easier to see so they were eaten more often.
This shift in population prompted Organisms that survive to have a better chance of reproducing so the population continues to grow.
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Read the following line of dialogue from “when greek meets greek” “when you are in rome, do as the romans do.” Is it colloquialism, idiom, jargon, or slang?
Answer:
Idiom
Explanation:
An idiom is a phrase that means something different than what it literally means. "When in Rome, do as Romans do" means to imitate the people around you if you're in a new situation and don't know how to react.
Match the following terms with their definitions.
Definitions:
Type of transport that requires energy for pumps to transport things across the cell membrane
Type of transport across cell membranes that forms a vacuole to engulf particles
Type of transport across the cell membrane that does not require any energy
Vacuoles with waste fuse with the cell membrane to dump contents.
Type of transport across the cell membrane that does not require any additional energy, but does require a larger channel
Terms:
Active Transport
Endocytosis
Diffusion
Exocytosis
Facilitated diffusion
How can the Swartz process be modified to work for bacteria? Explain
Answer:
Explanation: Alkyl chlorides and alkyl bromides are typically transformed into alkyl fluorides in the organic reaction known as the Swarts Reaction.
Swartz reaction?
Frederick Jean Edmond Swarts first reported this procedure in 1892. Heating the alkyl chloride or alkyl bromide in the presence of heavy metal fluorides like AGF, Hg2F2, CoF2, or SbF3 causes this reaction.
Swartz process can be used to modify work for bacteria. Bacterial biofilms are collections of microorganisms where the cells are immersed in an extracellular polymeric matrix that the bacteria have self-produced.
In contrast to planktonic bacteria, which are in a state of free movement in a bulk solution, this situation is very different.
Applications:
In this process, alkyl fluorides are created.
Fluorinated aliphatic organic molecules, or Freons, are produced via a different variation of the same process.
Anhydrous hydrogen fluoride is fluorinated to produce Freons in the presence of antimony salts, which exhibit the oxidation states +3 and +5.
Therefore, Alkyl chlorides and alkyl bromides are typically transformed into alkyl fluorides in the organic reaction known as the Swarts Reaction.
Gene therapy has been used to treat cystic fibrosis. Cystic fibrosis is caused by a what
in a single gene.
It should be noted that gene therapy has been used to treat cystic fibrosis and cystic fibrosis is caused by a defective gene .
How to illustrate the information?A faulty gene that causes the body to create excessively thick and sticky fluid, known as mucus, is the cause of cystic fibrosis.
Your digestive system, lungs, and other organs might become damaged by the illness known as cystic fibrosis. It's a hereditary condition brought on by a damaged gene that can be passed down through the generations. The cells that make mucus, perspiration, and digestive fluids are impacted by cystic fibrosis.
Cystic fibrosis is brought on by a mutation in the CFTR gene (cystic fibrosis transmembrane conductance regulator). This gene regulates the movement of fluids and salt into and out of your cells. When the CFTR gene isn't functioning properly, your body produces sticky mucus.
In conclusion, ut should be noted that gene therapy has been used to treat cystic fibrosis and cystic fibrosis is caused by a defective gene.
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Gene therapy has been used to treat cystic fibrosis. Cystic fibrosis is caused by a ......
An organism that lives by preying on (eating) other organisms is called a
Sunil is just the opposite of Thomas. He runs a small resort-style hotel. He is very friendly and allows the employees to
take care of the different areas of the hotel without his input. Sometimes, however, there are problems because
employees don't know what to do. His style of leadership is known as:
participant
laissez-faire
autocratic
democratic
Laissez-faire is a type of leadership that Sunil follows in order to run his small resort-style hotel. He allows his employees to take care of his hotel without his input.
What is the Laissez-faire leadership?Laissez-faire leaders have a sense of dependability and trust in their employees. They don't micromanage, spend too much time immersed in their work, or give out too much direction. Laissez-faire leaders, on the other hand, give their team members the freedom to use their initiative, resources, and knowledge to promote their objectives.
Who are some famous proponents of the free market?The libertarian businessman of the 20th century in America is Andrew Mellon. The great philanthropist and businessman Mellon was equally at home in politics, business, and finance.
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Identify a change in your environment that might affect homeostasis. Explain using the terms: stimulus, control center, set point, receptors, effectors, and imbalance in your answer.
Answer:
If you are sitting in a chair in a room and the temperature outside the room changes, that would be a change in your environment. If the temperature outside the room changes and the temperature inside the room changes, that would be the stimulus for a change in your environment that might affect homeostasis. The set point for the temperature in the room is the temperature that the control center (the thermostat) is set at. The receptors in the room are the sensors that detect the temperature. The effectors in the room are the things that adjust the temperature, like the heater or the air conditioner. If the temperature outside the room changes and the temperature inside the room changes, that would be an imbalance.
What is a stimulus?
A stimulus is a change in the environment that can cause a reaction in an organism.
What is a control center?
A control center is a region of the body that is responsible for regulating certain functions.
What is a set point?
A set point is a specific value that the body sets for a particular function.
What are receptors?
Receptors are specialized cells that detect changes in the environment and send signals to the control center in the body.
What are effectors?
Effectors are muscles or glands that respond to signals from the control center and produce a change in the body.
What is an imbalance?
An imbalance is a condition in which there is a difference in the amount of a substance or energy between two systems.
Explanation:
Let me know if you need elaborating on any of the concepts above and I'd be happy to do so. Feel free to give me Brainliest if that helped :)
Why do do we eat? QER
need long answers
Answer: HOPE THIS IS GOOD
Explanation:Why do we eat?
we eat because food gives us the nutrition we need to go throughout the day and we need energy so we can live and have fun! but then again if we don't eat the right foods then that can also affect us in bad ways. so we should always to keep a balanced diet.
overall we eat to satisfy our hunger as well and to have energy for throughout the day
Which nucleic acid is pictured on the right?
Answer:
Single strand RNA (ribonucleic acid)
Explanation:
RNA is a nucleic acid present in all living cells that has structural similarities to DNA. Unlike DNA, however, RNA is most often single-stranded. An RNA molecule has a backbone made of alternating phosphate groups and the sugar ribose, rather than the deoxyribose found in DNA.
How do you link these together?
Answer:
Frequency: Are events occurring more often than they did in the past?
Intensity: Are events getting more severe, with the potential for more damaging effects?
Duration: Are events lasting longer than "the norm"?
Timing: Are events occurring earlier or later in the season or the year than they used to? Extreme weather is typically rare. But climate change is increasing the odds of more extreme weather events taking place.
Explanation:
What we expect in terms of
temperature and precipitation
over the long term is known as
what?
A. Climate
B. Biodiversity
C. Meteorology
D. Weather
What is the highest value for longitude
There is no fixed standard for determining the highest longitude. Different people have different ideas of what that should be. But the Earth’s highest longitude is believed to be 90°E (east) in the Arctic.
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I hope this helps! Sorry if it doesn't!
Have a great day and God bless! :)
during bronchoconstriction, the smooth muscle that lines the bronchial passages contracts, resulting in a decrease of the internal diameter of the airway and an increase of:
Bronchoconstriction occurs when the smooth muscle that lines the bronchial passages contracts, resulting in a decrease in internal airway diameter and an increase in: Airflow resistance
Bronchoconstriction:
The smooth muscles of the bronchus contract when there is bronchoconstriction. The passageway that carries air to and from your lungs is called a bronchus. The bronchus narrows as a result of this muscular contraction, limiting the volume of air that can enter and exit your lungs.
Usually, bronchoconstriction is a symptom of lung conditions as asthma, emphysema, and others. However, even those without any lung conditions can experience bronchoconstriction when engaging in strenuous activity.
Bronchoconstriction's root causes:
It is unknown what specifically causes bronchoconstriction. However, several things are well-known asthmatic and bronchoconstriction triggers. These catalysts could consist of:
-allergens
-environment-related toxins
-chemicals, cold, dry air, and smoke
-lung illness, respiratory infections, and
-stress
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What was Aristotle responsible for?
A. Scientific method
B. Calculus
C. pendulum clocks
D. Ship Shaker
Explanation:
made pioneering contributions to all fields of philosophy and science, he invented the field of formal logic, and he identified the various scientific disciplines and explored their relationships to each other. Aristotle was also a teacher and founded his own school in Athens, known as the Lyceum
Make an estimate for the optimum sustainable population size for the earth and justify your answer
Answer:
0 people are menaces. On a real note there isn't really a set number that can be controlled because over time our population will grow its just a matter of at what pace. If there was a child control rate (every couple can have up to 2 kids) this wouldn't create a grow in population. (as long as people followed it) the point is there is no number that would be sustainable for our earth because it would be ever changing
Explanation:
Yes. The globe is overpopulated and beyond it's carrying capacity.
Resources, technology, and environmental effect must be considered when determining the world's sustainable population size. A habitat's carrying capacity is its maximum population over time.
Global population surpasses Earth's capacity to sustainably support it. The world cannot support 10 billion people by 2050 at the present population growth rate. Understanding several aspects makes determining the world's sustainable population size challenging. Researchers say the world can hold 4–16 billion people.
Consumption, technology, and environmental effect affect this. Additionally, population growth has environmental impacts. Overpopulation causes deforestation, water shortages, climate change, and biodiversity loss.
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Your question is incomplete but your full question was:
Has the world gone beyond its carrying capacity?
Are we overpopulated?
Determining the optimum sustainable population size for the earth justify your answer
It has been rumored that olympic athletes living at the olympic village have lots of sex with each other. what is
one possible explanation for this behavior?
Athletes who win their events may experience elevated testosterone levels and elevated sex drives.
Which of the following areas of psychology research seeks to understand how the endocrine system influences the control of behavior?Behavioral endocrinology is the name given to the scientific study of how hormones affect behavior and how they interact with the endocrine system. Hormones can affect behavior, and behavior can occasionally affect hormone concentrations in this interplay.
The athletes who win events their level of testosterone levels increases.
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