What disorder results when human body cells lose the ability to respond to internal regulatory signals that control cell growth?
diabetes
cancer
cellulitis
hemophilia
Answers
Sorry if I got that wrong
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Question Between about 1910 to 2010, average global temperatures across Earth's surfaces increased about 0.6 ° Celsius. During the same period, average ocean temperatures increased about 0.1 ° Celsius. What explains the difference between the changes to average global temperatures and average ocean temperatures?
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Answer:
The difference between the changes to average global temperatures and average ocean temperatures can be explained by the fact that the ocean has a much greater capacity to absorb heat than the atmosphere. This means that the ocean can store much more heat than the atmosphere can, and as a result, it takes much longer for the ocean to warm up or cool down compared to the atmosphere. This process is known as thermal inertia.
Additionally, the ocean has currents that can transport heat from one region to another, which can also contribute to differences in temperature between different parts of the ocean. Furthermore, the surface of the ocean is constantly being mixed by wind and waves, which can help distribute heat throughout the water column.
Therefore, while both the atmosphere and the ocean are warming as a result of human-caused climate change, the ocean is absorbing much of the excess heat, resulting in a slower rate of warming for the ocean compared to the atmosphere.
Explanation:
This has to do with the special property of water regarding its specific heat capacity. This is why oceans heat up and cool down slower than land.
What is specific heat capacity?It is the quantity of heat required to raise the temperature of a substance by 1⁰C. Mathematically, it is the heat capacity of the substance over mass of the sample.For water, the specific heat capacity is approximately 4.2 J/g°C. This means, it takes 4.2 J of energy to increase the temperature of 1 gram of water by 1⁰C.As a result, the ocean takes far longer to warm up or cool down than the atmosphere. This is because the ocean can store much more heat than the atmosphere.The ocean also comprises currents that can move heat from one area to another, which can also be a factor in the temperature disparities across various oceanic regions.To find out more about specific heat capacity, visit:
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List the 3 Parts of the Modern Cell Theory
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Answer:
1. All organisms are made of cells
Cells are the smallest unit of life. Each cell is a membrane of semi-permeable phospholipids wrapped around cytosol or a solution of water and dissolved solutes. All cells rely on DNA to hold the information necessary to produce the molecules they use to obtain energy. Although the methods for obtaining energy vary widely, all organism obtain energy to grow and reproduce. This first tenet of the cell theory is mostly true, but the discovery of viruses lead to complications. Viruses, while they use DNA or RNA to reproduce, do not have cells or cellular membranes. Viruses typically use a host cell to replicate. In this case, the virus appears to be living, but does not create its own cell. Some scientist argue that viruses are not living, thus cell theory is not violated.
2. Cells are the most fundamental unit of life
Organisms can be single cells, which hold all of the components necessary for a metabolism, or they can be more complex. More complex organisms divide the various metabolic tasks into different groups of cells, called tissues. These tissues are arranged in compartments with membranes that separate them from other tissues. These groups of tissues are called organs. A group of organs functioning together is an organism, or an individual creature. Each cell is distinct from the cells next to it, and each functions independently, while contributing to the output of the organism as a whole. Again, modern cell theory is a bit more complicated because advances in science have revealed many different organelles within cells. These organelles are bound in membranes themselves, and serve different functions for eukaryotic cells. Some scientists argue that these are more fundamental units, but other scientists argue that like an organ outside of an organism, they could not function without the cell.
3. Cells come from other cells
As far as we know, no cell on Earth currently has arisen spontaneously. All cells are the result of cell division. When a cell is large enough, it replicates its DNA and important components. These components can then be divided into two daughter cells, which are copies of each other. Variations in the DNA in each cell can lead to changes in how they function, which can result in them dividing at different rates. The cell that reproduces more than the other cell will pass on more of its DNA. The purpose of every cell or organism is to reproduce the DNA in cells.
This third tenet of the cell theory has yet to be disproven. No scientist has ever created a functioning cell without replicating another cell, although some scientists are trying. If they were successful, it would give proof to how life could have evolved. It is thought that a self-replicating molecule mutated, developed the ability to produce a membrane, and thus the first cell was born. The cell was such a successful form of life that all life since has used the same basic template.
The parts of the modern cell theory are:
All living things are made up of at least one cellCell is the basic and fundamental unit of lifeAll cells arise from pre-existing cellsCELL THEORY:
Cell theory is a universally accepted theory that explains the features of life in three statements.The cell theory was composed in 1890's by three scientists namely: Rudolf Virchow, Mathias Scleiden and Theodor Schwann.
The three parts of the cell theory include the following:
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The use of which of the following is not an agricultural practice that benefits soil microorganisms?
a. crop rotation
b. monoculture
c. companion planting
d. cover crops
Answers
Answer:
b. monoculture
Explanation:
Global Connection : Microflora and Microfauna
Edge 2020
Monoculture is an agricultural practice that does not benefits soil microorganisms.
What is monoculture?Monoculture is the practice of growing a single type of crop over a large area. Monoculture is often used in modern agriculture as a way to increase efficiency and productivity. However, it can have negative impacts on soil health, as it can lead to the build-up of pests and diseases, soil compaction, and nutrient depletion. It can also decrease the diversity of soil microorganisms, as a single type of crop may not support the same range of microorganisms as a more diverse planting. In addition, monoculture can be vulnerable to crop failures due to weather events or pests, which can have serious economic and social impacts.
To mitigate these negative impacts, some farmers and agricultural organizations promote more diverse and sustainable farming practices, such as crop rotation, companion planting, and cover cropping. These practices can help to improve soil health and increase the resilience of agricultural systems.
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What facts did you use to predict the pH values of the solution?
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What is the specific heat of a diamond if 4.5 J of heat is required to heat a 0.72 g piece of diamond from 10°C
to 22.3°C?
VARIABLES:
WORK
ANSWER:
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Answers
The specific heat capacity of a diamond is 0.508 J/g/°C.
What is specific heat capacity of a substance?The specific heat capacity of a substance is the amount of heat required to raise the temperature of a unit mass of that substance by one degree Celsius.
The specific heat capacity of a substance is calculated from the formula below:
q = mcΔT
where q is the quantity of heat
m is the mass of the substance
c is the specific heat capacity of the substance
ΔT is the temperature change
Making c subject of the formula
c = q/mΔT
From the data provided about the diamond;
q = 4.5 J; m = 0.72 g; ΔT = 12.3 °C (22.3 - 10)
Therefore, specific heat capacity c will be:
c = 4.5/(0.72 * 12.3)
c = 0.508 J/g/°C
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Are all enzymes a catalyst ? and what relation exist between catalyst and enzyme ?
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Answer:
Enzymes and catalysts both affect the rate of a reaction. In fact, all known enzymes are catalysts, but not all catalysts are enzymes. The difference between catalysts and enzymes is that enzymes are largely organic in nature and are bio-catalysts, while non-enzymatic catalysts can be inorganic compounds
Explanation:
All known enzymes are catalysts, but not all catalysts are enzymes
Catalysts are substances that increase or decrease the rate of a chemical reaction but remain unchanged. Enzymes are proteins that increase rate of chemical reactions converting substrate into product.
Using the karyotype below, it can be concluded that the individual is a
Answers
Answer:
This is a female with a disorder.
Explanation:
Looking at the karyotype, you can see that there are two X chromosomes; this signifies this person is a female.
If you look at the chromosomes at 21, you can see an extra chromosome that would not be present in a typical female. This means the female has some disorder due to the extra chromosome on 21.
Choose the evidence supporting Darwin’s theory of natural selection that demonstrates differential reproductive success in Magellanic penguins.
Researchers have studied Magellanic penguins in Punta Tombo, which is a stretch of coast in Argentina. They have determined that in years when resources are lacking
(A) larger males tended to beat out smaller males for food, (B) larger males were better suited to adjust to the change in environment, and (C) larger males survived over smaller males to continue mating.
Answers
Answer:
A
Explanation:
it is more realistic
If a diploid organism has somatic cells with 14 chromosomes, how many different gametes can the organism produce without recombination?.
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The gametes produced by the diploid organism without recombination is 7.
How do you calculate the total number of gametes?
A specific formula 2n is used to calculate the total number of gametes produced by a particular genotype, where n= the number of heterogeneous alleles found in the genotype. The given genotype consists of two heterozygous alleles, Bb and Cc, and one homozygous allele, AA.
Each gamete has a single copy of each chromosome, and each chromosome has one allele for each gene. As a result, each allele for a given gene is packaged into a separate gamete.
Therefore, in a diploid organism with 14 chromosomes, 7 gametes can be formed without recombination.
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How long did the eruptive period of Paricutin last? (site 1)
Answers
Answer:
600 YEARS
Explanation:
Books
what takes place during the acquisition step in the crispr/cas defense against viral infection in bacteria?
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During the acquisition step in the CRISPR/Cas defense against viral infection in bacteria, the bacteria incorporate fragments of viral DNA or RNA into their own genome. This process allows the bacteria to "remember" the viral genetic material and mount a specific defense against future infections by the same or closely related viruses.
1. Viral Infection: Bacteria get infected by a specific virus (also known as a bacteriophage) that carries its genetic material in the form of DNA or RNA.
2. Recognition: The CRISPR/Cas system in the bacteria recognizes the invading viral DNA or RNA as foreign.
3. DNA Fragmentation: The bacterial CRISPR-associated (Cas) proteins cleave the viral DNA or RNA into smaller fragments.
4. Spacer Acquisition: The bacteria select a small fragment of the viral genetic material and incorporate it into their own genome. This small fragment is known as a spacer.
5. Integration: The spacer is integrated into a specific region of the bacterial genome known as the CRISPR array. The CRISPR array consists of multiple spacers separated by repetitive DNA sequences.
6. Memory: The CRISPR array with the newly acquired spacer becomes a heritable memory of the viral infection, allowing the bacteria to recognize and respond to the same or similar viruses in the future.
7. Adaptation: The CRISPR/Cas system, with the help of other proteins, ensures the accurate insertion of the spacer into the CRISPR array and protects it from degradation.
By incorporating spacers derived from viral genetic material, bacteria can use the CRISPR/Cas system to recognize and destroy specific viral DNA or RNA sequences during subsequent infections. The acquired spacers serve as a genetic memory that allows the bacteria to mount a targeted immune response against viral invaders.
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While Tom is running downhill, his quadriceps are lengthening but are also producing tension; this is an example of which type of contraction?
Answers
Answer:
b. Eccentric contraction
Explanation: is correct/post protected
Eccentric contraction
Jorge is a patient with incontinence who is being treated by a MD who studies the interactions between the urinary
and nervous systems. What does the career path of that healthcare professional look like?
O high school → associate's degree
O high school bachelor's degree → medical school → residency in urology fellowship in neurourology
O high school associate's degree → medical school → residency in urology → fellowship in urologic oncology
O high school → bachelor's degree in nursing → master's degree → doctoral degree
Answers
The career path of the healthcare professional who studies the interactions between the urinary and nervous systems would require a significant amount of education and training. The most appropriate answer choice is: high school → bachelor's degree → medical school → residency in urology → fellowship in neurourology.
This healthcare professional would need to complete a bachelor's degree in a relevant field, such as biology or pre-med, before attending medical school.
After completing medical school, they would then complete a residency in urology and further specialize through a fellowship in neurourology.
This extensive training and education would provide them with the knowledge and skills needed to effectively diagnose and treat patients with conditions such as incontinence.
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HURRRY HELP ME!!! Modern whales lack hind limbs, and have tail flukes and ears specialized for hearing underwater. Which of the following is the correct order for the evolution of these whale characteristics?
A. Loss of hind limbs followed by tail flukes and underwater ears
B. Loss of hind limbs followed by underwater ears and tail flukes
C. Tail flukes followed by loss of hind limbs and underwater ears
D. Underwater ears followed by tail flukes and loss of hind limbs
Answers
Answer:
I think it b im not sure but i hope its right :}
Explanation:
Describe a few ways in which an individual person can help protect biodiversity.
Answers
Answer:
An individual person can help protect biodiversity in multiple ways.
This person can educate themselves on biology and learn exactly what the problem is.This person can educate others once learning about it himself.This person can advocate for the environment.This person can cut down on their waste, lessening the amount of trash going into the environment.This person can be aware of what he buys and how it affects biodiversity.Explanation:
I don't know if this was the answer you're looking for, but I hope it's a start!
A fetus has been developing for three months. What will happen next?
A. Vocal cords develop
B. External sex organs form
C. Blood starts pumping
D. Hands and feet are formed
Answers
Which of the following describes why cells need both ATP and ADP molecules?
Answers
Answer:
Think of it as the “energy currency” of the cell. If a cell needs to spend energy to accomplish a task, the ATP molecule splits off one of its three phosphates, becoming ADP (Adenosine di-phosphate) + phosphate. The energy holding that phosphate molecule is now released and available to do work for the cell.
Explanation:
Hope it helps you
In which stage of the cell cycle does the cell duplicate its dna?.
Answers
Answer:
S phase
Explanation:
In the eukaryotic cell cycle, chromosome duplication occurs during the "S phase" (stage of DNA synthesis) and chromosome division occurs during the "M phase" (mitosis phase).
Which of the following types of succession would most likely occur after a forest fire?
Answers
Answer:
Secondary succession
Hope this helped :)
can somebody please help
Answers
Answer: There is a 100% chance of a heterozygous offspring, or an offspring with the allele Pp
Explanation: This percentage is calculated by looking at the total number of Pp divided over the number of possiblities. In this case there are 4 Pp, divided by 4 possible variations from the two parent alleles, making it a 4/4 or 1/1 orrr 100% chance of getting a Pp, or heterozygous offspring.
__________ is a movement that believes that only ""good genes"" should be passed from generation to generation and that ""undesirable"" groups should be prevented from reproducing.
Answers
The movement that believes that only "good genes" should be passed from generation to generation and that "undesirable" groups should be prevented from reproducing is known as Eugenics.
What is Eugenics?Eugenics is a belief system or philosophy that advocates for the improvement of the human population through selective breeding, with the aim of promoting desirable traits and eliminating or preventing the reproduction of individuals or groups deemed undesirable. It is based on the notion that certain genetic traits are superior or inferior and should be controlled or manipulated for the betterment of society.
However, it is important to note that eugenics has been widely discredited and criticized due to its historical association with discriminatory and unethical practices, such as forced sterilization and genocide, as it has been used to justify oppressive policies and human rights violations.
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In pea plants, the tall gene (t) is a dominant and the short gene (t) is a recessive. two tall pea plants were crossed. one of the offsprings plant was short (tt) the tall plant must've been
Answers
The tall parent plants were heterozygous (Tt) to produce a short (tt) offspring.
In pea plants, the tall gene (T) is dominant and the short gene (t) is recessive. Two tall pea plants were crossed and one of the offspring plants was short (tt). The tall parent plants must have been heterozygous (Tt).
Step-by-step explanation:
1. The tall gene (T) is dominant, and the short gene (t) is recessive.
2. Two tall plants were crossed, which means they could either be homozygous dominant (TT) or heterozygous (Tt).
3. One of the offspring plants was short (tt). This indicates that both parent plants must have contributed a recessive gene (t).
4. Since both tall parent plants had to contribute the recessive gene, they must have been heterozygous (Tt).
Therefore, the tall parent plants were heterozygous (Tt) to produce a short (tt) offspring.
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without a positive feedback loop, which of the following would not occur? a blood glucose control mechanisms b heart rate control mechanisms c breathing rate control mechanisms d blood loss control
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The positive feedback loop is a self-amplifying cycle that leads to the amplification of a response or a change in a system. In contrast, negative feedback loops work to counteract changes and maintain homeostasis in the body.
In regards to the question, a positive feedback loop is not involved in blood glucose control mechanisms, heart rate control mechanisms, or breathing rate control mechanisms. These are regulated by negative feedback loops that work to maintain stability and balance in the body. However, a positive feedback loop is involved in blood loss control. When there is a loss of blood, the body activates a positive feedback loop that leads to the release of platelets and clotting factors. These platelets and clotting factors then promote further platelet aggregation and blood clotting until the bleeding stops. This positive feedback loop is important for stopping blood loss and preventing excessive bleeding.
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this pressure system brings cloudy and stormy weathera. high pressureb. low pressurec. stationary pressured. air pressure.
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This pressure system brings cloudy and stormy weather that are brought on by low pressure systems. The core of a low pressure system has lower pressure than the surroundings. Option b is Correct.
As winds blow in the direction of a low pressure area, the air where they meet rises in the atmosphere. The water vapor in the air condenses as it rises, creating clouds and frequently precipitation. Clouds and precipitation are frequently indicative of low pressure. Air that is sinking is related with high pressure.
Because it is pressing DOWN on the earth, air pressure is higher. High-pressure regions are linked to calmer winds and clear sky, whereas low-pressure regions are frequently connected with unfavorable weather (such as overcast, windy, with potential for rain or storms). Hence, Option b is Correct.
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Correct Question:
This pressure system brings cloudy and stormy weather
a. high pressure
b. low pressure
c. stationary pressure
d. air pressure.
What monthly compounding nominal interest rate is earned on an investment that doubles in 8 years? Select one: O a. 8.60% O b. 8.50% O c. 8.80% O d. 8.70% O e. 8.40%
Answers
The monthly compounding nominal interest rate earned on the investment that doubles in 8 years is 8.80%.
The correct option is C.
What will be the monthly compound nominal interest?To determine the monthly compounding nominal interest rate earned on an investment that doubles in 8 years, we can use the formula for compound interest:
\(A = P(1 + r/n)^{(nt)}\)
Where:
A = Final amount (twice the initial investment)
P = Principal amount (initial investment)
r = Annual interest rate (in decimal form)
n = Number of times interest is compounded per year
t = Number of years
Since the investment doubles in 8 years, we have A = 2P and t = 8. Substituting these values into the formula, we get:
2P = \(P(1 + r/n)^{(n*8)}\)
2 = \((1 + r/n)^(8n\))
Solving for r gives 8.80%
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When researchers made Dolly, a mammary gland cell nucleus was put into the cytoplasm of a nucleated oocyte. This experiment presumably succeeded because theoocyte cytoplasm contained:A. Transcriptional regulators that reprogrammed the nucleus.B. All the cyclins needed for embryonic cell divisions.C. DNA containing dominant mutations.D. mRNA encoding proteins expressed in all tissues.
Answers
The experiment presumably succeeded because theoocyte cytoplasm contained Transcriptional regulators that reprogrammed the nucleus. Option A is appropriate.
n the process of cloning Dolly, a mammary gland cell nucleus was inserted into the cytoplasm of a nucleated oocyte. The cytoplasm of the oocyte contains various transcriptional regulators that can reprogram the nucleus of the mammary gland cell to behave like a fertilized egg.
These transcriptional regulators can change the expression of genes in the nucleus, leading to the development of an embryo. This process of reprogramming the nucleus of a differentiated cell is known as somatic cell nuclear transfer (SCNT).
The success of this experiment demonstrated that the cytoplasm of the oocyte contains the necessary factors to reprogram the nucleus of a differentiated cell and initiate embryonic development. Therefore, option A is the correct answer. Thus, the correct option is A.
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Now choose one of the resources used for energy production that you have studied in this lesson. Describe how the way humans use or obtain this resource might impact the natural resource you described in part A. If you don't think the natural resource in part A is affected, explain why.
Answers
In general, the way humans use or obtain any resource can have a significant impact on the natural resources.
For example, if the resource is fossil fuels such as coal, oil, and natural gas, the extraction and burning of these resources can lead to pollution of air, water, and soil. It also contributes to climate change and global warming, which can have severe impacts on various natural resources such as oceans, forests, and wildlife.
What is the energy production about?Mining and drilling for fossil fuels can also lead to habitat destruction and fragmentation, which can negatively impact wildlife populations and biodiversity.
The production and transportation of these resources can also lead to spills and leaks, which can harm aquatic wildlife and their habitats.
In conclusion, the way humans use or obtain resources can have a significant impact on the natural resources, and it's important to consider the environmental impact of different energy production methods in order to make more sustainable choices.
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in the context of natural selection, fitness refers to multiple choice the physical health of an individual. reproductive success. the physical health of a population. mutations that benefit an organism's survival. the variation in traits within the population.
Answers
The development of adaptive traits is a result of natural selection, one of the main mechanisms underlying evolutionary change.
Understanding natural selection is also becoming more and more important in real-world settings, such as resource management, agriculture, and medicine. Even among people with postsecondary physical education, studies show that natural selection is generally very poorly understood.
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Do you think it would be a good idea if all the bumper cars in a ride were to move at the same speed? Use Newton's Law of Motion to support your response.
Answers
Answer:
Sorry, I didn´t see this one, maybe you already have the answer, if not: Yes, it is a good idea, because it balances the impact forces of every bumper car.
Explanation:
Yes, it is a good idea, because it balances the impact forces of every bumper car.In this phenomenon Newton's Law of motion has been used to prove this incident.
What is Newton's second law?According to newton second law of motion force is always equal to rate change of momentum. S.I unit of mass is Newton.
So, Force basically depend on two factor i.e mass and velocity
In first case if mass is constant and velocity is variable then
Force = mass × acceleration.
And if mass is variable and velocity is constant then it's called thrust force.
Thrust force = Rate change of mass × velocity.
S.I unit of mass is Newton.
Density has been defined as mass per unit volume it means that mass is present in one meter cube.
S.I unit of density is kg/meter^3.
Mathematically
Density = Mass/Volume.
Momentum has been product of mass and velocity. It is a vector quantity and it's S.I unit kg x meter/sec.
Therefore, Yes, it is a good idea, because it balances the impact forces of every bumper car.In this phenomenon Newton's Law of motion has been used to prove this incident.
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Why does the axillary lymph node swell when injured on the left hand?
Answers
Answer : The axillary lymph nodes are located in the armpit area and they help filter out harmful substances and fight infections. When you injure your left hand, bacteria or viruses may enter your body through the wound and cause inflammation in the nearby lymph nodes. This can lead to swelling and pain in the axillary lymph nodes on the same side as the injury. This is a common and usually harmless response of your immune system to fight off the infection However, if the swelling persists for more than a few weeks, or if you have other symptoms such as fever, night sweats, or weight loss, you should see a doctor as it could be a sign of a more serious condition
Answer:
Sometimes, removing lymph nodes can make it hard for your lymphatic system to drain properly. If this happens, lymphatic fluid can build up in the area where the lymph nodes were removed. This extra fluid causes swelling called lymphedema.