Can stress cause vascular dementia?
Answers
The answer to whether stress can cause vascular dementia is false, however stress plays a chronic role in leading to conditions which causes dementia.
Vascular dementia is the condition of partial to permanent memory loss which may occur in old aged people and causes higher risks of strokes, diabetes and blood pressure. There has not been much proves or researches which relates that stress can cause vascular dementia. But it is highly significant that stress can affect the mental activity and thinking power of brain and makes it to do functions which are harmful for the body. Stress may lead to dementia indirectly. Vascular dementia is linked with atherosclerosis due to which enough blood is not reached to most parts of the body including brain which hampers the function of brain.
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Related Questions
What length of rope must the operator pull and what is the ideal mechanical advantage (MA) of the pulley system if the 15 N load is to be raised 1 m? (Assume the rope is sufficiently long to accommodate movement of the load and that all pulleys are frictionless.)
A
1.0 m, MA=3
B
3.0 m, MA=3
C
1.0 m, MA=1/3
D
3.0 m, MA=1/3
please help..
Answers
The ideal mechanical advantage is 3 and the length of the rope the operator must pull is 3 m
"Your question is not complete, it seems to be missing the following information";
the number of pulleys = 3
The given parameters;
load to be raised, L = 15 Ndistance traveled by the load, d = 1 mnumber of pulleys = 3In ideal machine, the efficiency of the machine is 100% and the mechanical advantage will be equal to the velocity ratio.
M.A = V.R
The velocity ratio (VR) in a pulleys system is the number of pulleys;
V.R = 3
The ideal mechanical advantage = V.R = 3
The length of the rope, the operator must pull is calculated as;
\(V.R = \frac{distance \ moved \ by \ effort}{distance \ moved \ by \ load} \\\\3 = \frac{e}{1 } \\\\e = 3 \ m\)
Thus, the ideal mechanical advantage is 3 and the length of the rope the operator must pull is 3 m.
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What is the answer ?
Answers
Answer:C
Explanation:
Answer:
the answer is c.
Explanation:
took the test
true or false condensation occurs ehen water turns from a liquid to a gas?
Answers
Answer:
false
Explanation:
- Cells control gene expression at which steps?
transcription, translation, and the formation of the final protein
interphase, prophase, and metaphase
mitosis, meiosis, and the formation of the final protein
transcription, mitosis, and DNA replication
Answers
Answer:
A.
Explanation:
The cells control gene expression at transcription, translation, and the formation of the final protein.
What do you mean by gene expression?Gene expression is the process by which information from a gene is used in the synthesis of a functional gene product that enables it to produce end products, protein or non-coding RNA, and ultimately affect a phenotype, as the final effect.
Gene expression is the process by which the information encoded in a gene is turned into a function. This mostly occurs via the transcription of RNA molecules that code for proteins or non-coding RNA molecules that serve other functions.
Gene expression is a tightly regulated process that allows a cell to respond to its changing environment. It acts as both an on/off switch to control when proteins are made and also a volume control that increases or decreases the amount of proteins made.
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What causes amino acids to fold in different patterns to form different looking structures?
Answers
Answer:
Hydrogen bonding
Explanation:
Hydrogen bonding causes folding in different patterns of amino acids. This folding is responsible for the formation of different structures of proteins. This folding also helps in producing the secondary structure of protein. This hydrogen bond is present between amino groups and carboxyl groups which helps them in folding their structure in different patterns.
a little summary how ultraviolet light could be the answer to the future outbreak
( Two paragraphs).
Answers
Ultraviolet light can be the answer to future outbreaks because it has the capability to kill the microorganisms present in air and thus can prevent the infectious diseases caused by them.
Ultraviolet light is the EM radiation with the wavelength range 10 nm to 400 nm. It is already being used in research labs for maintaining the microbe free environment. Researches are also being conducted to produce such ceiling lights that can be used normally in households so that the the air-borne microorganisms can be killed.
Microorganisms are the small living organisms not visible to the unaided eyes. They have the strong capability to produce their new variants by mutation and cause infectious diseases. The ultraviolet light can kill them even before they are able to transform themselves.
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Which action is an example of an organism maintaining homeosta
O a bear nursing her cubs
O a cat grooming itself
O a boy riding a bike
O a man sweating while he runs
Answers
Answer:
O a man sweating while he runs
Explanation:
well homeostasis is the body’s ability to keep stable internal environment
the man as sweatin' so he was maintaining homeosta.
Which of the following is not a type of
fatty acid?
A. Presaturated fat
B. Saturated fat
C. Unsaturated fat
D. None of the above
Answers
Answer:
The answer is D, because it is none of the above.
Explanation:
All of the above answers are fatty acids.
Why was Copernicus’s heliocentric model not believed until Galileo and Kepler provided more evidence?
The model had the moon orbiting Earth.
The model was against religious teachings.
The model could not explain retrograde motion.
The model did not include all eight planets in the solar system.
Answers
Answer:
It's B
I got it right on Edgenuity
A hormone produced by the heart, known as ________, prevents the release of aldosterone in order to reduce blood volume and blood pressure
Answers
Aldosterone is not released by the heart-produced hormone ANP, which lowers blood pressure and blood volume.
ANP is a cardiac hormone whose gene and receptors are found in large quantities throughout the body. Its primary roles are to reduce blood pressure and regulate electrolyte balance.
The hormone atrial natriuretic peptide (ANP), which is released by the heart's atria, reduces blood volume and blood pressure by inducing vasodilation and encouraging the kidneys to eliminate more water and sodium. The hormone that is released by the human heart is called an atrial natriuretic peptide (ANP). Another hormone made by the heart is ventricular natriuretic peptide, commonly known as brain natriuretic peptide.
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The name of the "currency" cells use for
energy is ...
A. RNA.
B. Protein.
C. ATP.
Answers
Still I remember it from biology
which scriptures describe a biologic law of reproduction for which no exception has ever been documented?
Answers
The scriptures that describe a biologic law of reproduction for which no exception has ever been documented are: Genesis 1:24.
What is the biologic law of reproduction ?
The biological law of reproduction states that each species of living organism will reproduce according to its own kind. This law states that offspring will be genetically similar to their parents and other members of their species. This law is also known as the law of heredity or the law of "like begets like".
What is the Genesis 1:24?
Genesis 1:24 reads: "And God said, “Let the land produce living creatures according to their kinds: the livestock, the creatures that move along the ground, and the wild animals, each according to its kind.”
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What is definition of zygote in biology?
Answers
In biology, a zygote is a single cell that is formed when a sperm cell fertilizes an egg cell. The zygote is the first cell of a new individual and contains all the genetic information necessary for the development of an organism.
After fertilization, the zygote undergoes a series of cell divisions, called mitosis, and develops into a multicellular embryo. As the embryo develops, cells differentiate and become specialized for specific functions, forming various tissues and organs. The zygote is diploid, meaning it contains two sets of chromosomes, one from each parent. The chromosomes carry genetic information in the form of genes, which determine an individual's physical and biological traits. The zygote is a crucial stage in sexual reproduction, as it combines genetic material from both parents and gives rise to a new individual. In some organisms, such as plants, the zygote can remain dormant for a period of time before developing into a new organism.
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a band of fibrous connective tissue attaching muscles to bones is a:
Answers
A band of fibrous connective tissue attaching muscles to bones is called a tendon. Tendons play a crucial role in the musculoskeletal system by connecting muscle to bone, allowing the transfer of forces generated by muscle contraction to produce movement.
Tendons are composed primarily of dense regular connective tissue, consisting of collagen fibers arranged in parallel bundles. The collagen fibers provide strength and stability to the tendon, enabling it to withstand high levels of tension during muscle contraction. The arrangement of collagen fibers also allows for efficient transmission of forces from the muscle to the bone.Tendons are characterized by their strong and flexible nature, providing stability and support to joints and facilitating smooth and controlled movement.
They act as a bridge between muscles and bones, transmitting the forces generated by the muscle contraction to produce movement at the joint. In addition to their mechanical function, tendons also play a role in proprioception, providing sensory feedback to the central nervous system about the position and tension of muscles and joints. This information is essential for coordinating movement and maintaining proper posture.
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A Chlorella cell viewed through a microscope is 0.00005 m wide when the magnification is 2000.
What is the actual size of the cell?
Answers
Answer:
0.0025micrometer.
Explanation:
To calculate the actual size of the image, the formula to be used is
Actual size=Image size÷magnification.
The image size is 0.00005 wide
Magnification is 2000
First, convert the image size to micrometer.
=0.00005 × 1000000
50micrometers.
Actual size= 50÷2000
Actual size = 0.0025
The actual size of the cell will be
"0.0025".
MagnificationAccording to the question,
Image size = 0.00005 or,
= 0.00005 × 1000000
= 50 micrometers
Magnification = 2000
We know the relation,
→ Actual size = \(\frac{Image \ size}{Magnification}\)
By substituting the above values,
= \(\frac{50}{2000}\)
= 0.0025
Thus the above answer is appropriate.
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If you lived during the times when demons were attributed to abnormal behavior, a typical treatment to rid you of your demons would have been:A. exorcism
B. psychiatrists
C. rush
D. dysfunction
Answers
If you lived during the times when demons were attributed to abnormal behavior, a typical treatment to rid you of your demons would have been A. exorcism.
Abnormal behavior is a behavior that is not in accordance with the general situation and tends to be different from the existing norm. During ancient times, abnormal behavior was often attributed to demonic possession and exorcism was a common practice used to rid an individual of their demons.
Exorcism is a religious or spiritual practice that involves casting out demons or other spiritual entities from a person or an area. It is typically performed by a religious leader or a trained exorcist. While modern medicine has largely replaced exorcism as a treatment for abnormal behavior, it is still practiced by some religious groups today.
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roots show geotropism because they grow toward gravitational pull.; plants that have many periods of reproduction are called; plants tend to grow toward air with higher humidity because of _____.; a potato is an example of what nutrients; plants conduct _____.; potatoes are an example of _____. rhizomes tubers stolons bulbs; the basic requirements for plants to survive are _____.; scientists believe were the first types of cells able to make their own food.
Answers
Roots show geotropism because they grow towards the gravitational pull.Plants that have many periods of reproduction are called perennial plants. Plants tend to grow towards air with higher humidity because of hydrotropism. A potato is an example of a tuber. Plants conduct water and nutrients through their xylem and phloem tissues.The basic requirements for plants to survive are light, water, air, and nutrients. Scientists believe that the first types of cells able to make their own food were the prokaryotic cells.
1. Roots show geotropism because they grow towards the gravitational pull. Geotropism is a plant's response to gravity, and it helps roots grow in the correct direction, which is typically downward. This allows the roots to anchor the plant and absorb water and nutrients from the soil more efficiently.
2. Plants that have many periods of reproduction are called perennial plants. Perennial plants live for more than two years and go through multiple reproductive cycles. Unlike annual plants that complete their life cycle in one year, perennials continue to grow and reproduce for several years.
3. Plants tend to grow towards air with higher humidity because of hydrotropism. Hydrotropism is the response of plants to water. When the air has higher humidity, it means there is more moisture in the air, and plants will grow in that direction to access the water they need for photosynthesis and survival.
4. A potato is an example of a tuber. Tubers are modified stems that store nutrients for the plant. Potatoes are underground stems that store starches and other nutrients, which the plant can use for energy and growth.
5. Plants conduct water and nutrients through their xylem and phloem tissues. The xylem transports water and minerals from the roots to the rest of the plant, while the phloem transports sugars and other organic compounds produced during photosynthesis to other parts of the plant.
6. Potatoes are an example of tubers. Tubers, like potatoes, are underground stems that store nutrients for the plant. They often have buds, called eyes, which can sprout into new plants.
7. The basic requirements for plants to survive are light, water, air, and nutrients. Plants need light for photosynthesis, where they convert sunlight into energy. Water is essential for the transport of nutrients and for maintaining cell turgidity. Air provides carbon dioxide for photosynthesis and oxygen for respiration. Nutrients, such as nitrogen, phosphorus, and potassium, are necessary for plant growth and development.
8. Scientists believe that the first types of cells able to make their own food were the prokaryotic cells. Prokaryotic cells, specifically cyanobacteria, were the earliest organisms capable of photosynthesis. These cells were able to convert sunlight into energy and produce their own food, paving the way for the evolution of more complex organisms.
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in what stage of the cell cycle do eukaryotic cells spend most of their life
Answers
In what stage of the cell cycle do eukaryotic cells spend most of their life
interphase.
Interphase, which comprises the G1, S, and G2 phases, is the portion of the cell cycle that is not accompanied by observable changes under the microscope. The cell grows (G1), duplicates its DNA (S), and prepares for mitosis during interphase (G2).
Interphase cells are not just dormant. The label quiescent (i.e. dormant) would be deceptive because a cell in interphase is quite active, creating proteins, transcribing DNA into RNA, absorbing external material, and processing signals, to mention a few. Only in terms of cell division is the cell dormant (i.e. the cell is out of the cell cycle, G0). The interphase phase of the cell cycle is where the majority of the life of a normal cell occurs.
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Hurry please!!
Energy transfer is inefficient between trophic levels because
A. Organisms within a trophic level are fully consumed.
B. Dead organisms and waste are recycled throughout the trophic levels.
C. Molecules are fully digested from each trophic level.
D. All organisms within a trophic level die.
Answers
Answer:
C. Molecules are fully disguise from each trophic level
Do you think different sources of carbs (sugars) would affect
the rate of fermentation in yeast? Why or why not?
Answers
Yeast can use oxygen to release the energy from sugar (like you can) in the process called "respiration". So, the more sugar there is, the more active the yeast will be and the faster its growth (up to a certain point - even yeast cannot grow in very strong sugar - such as honey).
However, if oxygen is short (like in the middle of a ball of dough), then yeast can still release energy from sugar, but in these conditions, its byproducts are alcohol and carbon dioxide. It is this carbon dioxide gas which makes the bubbles in dough (and therefore in bread), causing the dough to rise.
Alcohol is a poison (for yeast as well as for people) and so the yeast is not able to grow when the alcohol content gets too high. This is why wine is never more than about 12% alcohol.
Broccoli, kohlrabi, brussels sprouts, chinese cabbage, and cauliflower were all derived from the single wild species. this diversity is a result of?
Answers
Broccoli, kohlrabi, brussels sprouts, chinese cabbage, and cauliflower were all derived from the single wild species. this diversity is a result of Artificial selection
What is artificial selection?Artificial selection refers to the human identification of desirable qualities in plants and animals and the actions taken to improve and pass on those traits to succeeding generations. The two processes are identical, with the exception that in natural selection, these choices are made by nature without human intervention.
In order to breed animals and crops with desirable features, artificial selection has long been utilized in agriculture. The chickens, cattle, sheep, and pigs used to produce the meat that is sold today were carefully bred. Artificial selection has been used to enhance or even produce several fruits and vegetables. By means of selective breeding, for instance, broccoli, cauliflower, and cabbage were all produced from the wild mustard plant.
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One parent has dimples, which is a dominant trait. The other parent has no dimples which is a recessive trait.
Dd
d
d
What can be predicted about their offsprings' chances of having dimples?
A 75% will have dimples
B 25% will have dimples
0% will have dimples
50% will have dimples
E 100% will have dimples
Answers
When a solution is mixed, the following observations were made:
I. The mass of the solution remained the same.
II. Phase changes were observed.
III. The color of the solution remained clear.
IV. The temperature of the solution increased.
Which observation is a sign that a chemical change has occurred?
Answers
Answer:
IV. the temperature of the solution increased
Explanation:
all chemical change is either exothermic or endothrrmic, temperature is a sign of an exothermic reaction (pretty sure)
Suppose you want to produce a plant cultivar that has red flowers and speckled leaves. You have 2 cultivars, each having 1 of the desired traits. How would you proceed?
Answers
In desired traits, by breeding these two types of plants we will get a hybrid plant with the desired traits: red flowers and speckled leaves.
What do you mean by traits?A trait is a specific characteristic of an individual. Traits can be determined by genes, environmental factors or by a combination of both. Traits can be qualitative or quantitative.
Genes carry the information that determines your traits (say: trates), which are features or characteristics that are passed on to you — or inherited — from your parents. Each cell in the human body contains about 25,000 to 35,000 genes.
Biological traits describe species' physiology, morphology, life history, and behavior, capturing both inter-specific interactions and the connections between species and their environment.
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similar species can coexist in a community by using _________.
Answers
According to the research, the correct answer is resource partitioning. Similar species can coexist in a community by using resource partitioning.
What is resource partitioning?It is the use of resources that organisms consume in order to survive, grow or reproduce, these similar species exploit limited resources in an ecological area.
In this sense, it is the process by which species divide a niche to avoid competition for resources in a community .
Therefore, we can conclude that according to the research, resource partitioning helps similar species by dividing resources to coexist.
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Which state does not have a National Park
Delaware
Rhode Island
North Dakota
All states have a National Park
Answers
Answer:
I think it's Delaware...
Explanation:
But it's not the only state without a national park.......
A gene mutation is a change in the sequence of nucleotides that occurs during cell replication (mitosis and meiosis) within a single coding section of DNA. Mistakes can also occur in the transcription of mRNA or the translation of a polypeptide. However, these changes are not considered to be mutations, because they are not permanent changes to the cell. Explain why "mistakes" in transcription or translation are not as serious as mutations in a gene.
Answers
Answer:
The cell has an elaborate mechanism in place that check for and correct the mistakes that happen during replication, transcription or translation. This process is called as proofreading. The incorrect nucleotide added during replication cause the replication to be halted for a while. The DNA polymerase enzyme fixes the error and replication then resumes as normal.
Gene mutation, on the other hand, is a permanent change in the DNA sequence that might lead to cancer.
Hope that answers the question, have a great day!
Compare the transport of glucose with the transport of fats and cholesterol in the body
Answers
Cholesterol is conveyed by complex particles is known as lipoproteins whereas Glucose transporter (GLUT) is a transport protein responsible for the transportation of glucose.
What transports cholesterol throughout the body?Cholesterol proceeds through the blood on proteins called “lipoproteins.” Two types of lipoproteins carry cholesterol all around the body: LDL (low-density lipoprotein) cholesterol, sometimes called “bad” cholesterol that makes up most of your body's cholesterol. Cholesterol.
This is transported by compound particles, called lipoproteins, which have specific proteins on their surface. These proteins, called apolipoproteins, have a crucial function in the metabolism of lipoproteins.
So we can conclude that Lipoproteins transport cholesterol and fatty acids throughout the body. Cholesterol is a major elector of every mammalian cell membrane.
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what is necessary for a bond to form in a chemical compound
A. muscle contraction
B. nuclear fusion
C. energy
D. sunlight
Answers
Energy is necessary for a bond to form in a chemical compound. Therefore, option (C) is correct.
Bond formation in a chemical molecule requires energy. The formation of chemical bonds is the result of electron sharing or transfer between atoms or molecules. Electrostatic repulsion between charged particles makes this process energy-intensive.
Heat, light, and electricity are all examples of kinds of energy that may be delivered. Atoms or molecules can undergo chemical reactions—the building of new bonds and the development of a stable compound—when given the appropriate amount of energy.
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does decrease in temperature affect mitochondria function??
PLEASE HELP!
Answers
Answer:
dear user
decrease or increase in temperature doesn't affect mitochondrial function
Answer:
Hi dear friend here is your answer
tions were studied as a function of temperature, with the re- ... the temperature at which the lower break occurred was de- ... ducing membrane is required for discontinuities in the.
Hope it helps you