Some researchers use fMRI technology to study activity in the brain. The underlying activity detected by fMRI is by measuring the changes occurring in both oxygen amount present in the blood as well as the blood flow amount.
fMRI technology helps to detect the activity of the brain by measuring the changes occurring in both the amount of oxygen present in the blood as well as the amount of blood flow. This measurement is termed as the activity depending on the blood-oxygen level or called BOLD activity.
Functional magnetic resonance imaging or fMRI measures the activity of the brain by detecting various changes associated with the flow of blood. This technique will be relying on the fact of coupled activity of cerebral blood flow as well as neuronal activation. When an area of the brain is used up, there will be an increase in blood flow to that region.
The primary fMRI form uses contrast which is blood-oxygen-level dependent. This is a specialized brain type and a body scan that is used to map the activity of neurons in the brain or the spinal cord present in humans or in other animals by imaging the hemodynamic response which is related to the use of energy by the brain cells.
fMRI has come to dominate the mapping research of the brain as it does not involve injection uses, surgery, the ingestion of substances, and ionizing radiation exposure. This measure is usually corrupted by noise which is from various sources most frequently. Hence, the underlying signals are extracted by statistical procedures.
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Which macromolecules release energy the quickest?
a lipids
b proteins
c carbohydrates
d nucleic acids
if guanine replaces with cytosine in erd codon of gene 4, what will happen to the organism
people of india confound traditional racial categories because they fit most closely in terms of biological characteristics with people from europe, yet many have dark skin. '
Indians may closely resemble Europeans in terms of biological traits due to genetic allele frequencies.
The oldest skeleton from Europe that has been found so far is anatomically modern and dates to between 34,000 and 36,000 years ago. It was found in Romania's Carpathian Mountains. Conclusions drawn from the fossil evidence are supported and expanded by data already available on human genetic variation.
The conventional racial divisions, according to some observers, is biologically and genetically justified by these patterns of variation. According to their claims, the distribution of humans among sub-Saharan Africans, European, West Asians, and North Africans, Eastern Asians, Polynesians and other Oceanian residents, and Native Americans largely corresponds to the grouping of the continents.
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What are the differences scientists use to
classify animals?
Thanks for the question,
To classify organisms, scientists use similarities and variations among species. typically these variations area unit simple to ascertain, like whether or not associate animal has fur, feathers, or scales. There area unit seven main assortment ranks: kingdom, phylum or division, class, order, family, genus, species.
Hope it helps!
(True/False) A human’s cells do not all have the same DNA.
Answer: false
Explanation:
All has same DNA
It is false that human cells do not all have the same DNA.
DNA:Deoxyribonucleic acid, also called DNA, is a biological molecule that stores genetic information in living cells. The DNA contains genes responsible for inheritance of certain traits. However, in humans, all cells contain the same DNA sequence. Specialization occurs because the DNA are expressed differently and at different times.Therefore, it is false that human cells do not all have the same DNA.
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how to get a fever in an hour or less
(other then the onion/garlic trick I tried it and it didn't work)
ASAP I'll mark branliest
Answer:
Expecting you are from India or any cold countries,just bath in ice cold water and and dry yourself as many time you can until you feel dizzy or feverish.Explanation:
I hope l helped you ❤❤What is the function of the structure identified by the red arrow?
Answer:
The structure shown by the red arrow is cell membrane.
In biology, cell membrane refers to the thin layer, which develops the external boundary of a living cell. It has three primary functions, which are as follows:
1. It comprises channels and receptors, which permits particular molecules like nutrients, ions, metabolic components, and wastes to pass between the cell and the outside environment.
2. It prevents toxic components from entering the cell.
3. They distinguish essential but incompatible metabolic procedures conducted within the cell.
Explanation:
The function of the structure identified by the red arrow is to store the genetic material (this structure is the cell nucleus).
The cell nucleus is an organelle found in eukaryotic organisms whose function is to store the genetic material (DNA).The DNA within the cell nucleus contains genes that are expressed during transcription and translation to produce proteins.The differential expression of genes determines the phenotypic features of cells.In conclusion, the function of the structure identified by the red arrow is to store the genetic material (this structure is the cell nucleus).
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Can someone please help me... I really appreciate if you can help me with the analysis part. Thank you
Answer:
it is not visible that much sry
Situation 2: If your blood sugar gets too high or low, your pancreas releases a hormone
(either insulin or glucagon) to return the blood sugar back to normal.
A. Negative feedback
B. Positive feed back
List the 3 main types of heat transfer.
Answer:
conduction convection and radiation
Explanation:
I think
What are the life cycles of a butterfly
You are searching for a mutant cell that is defective in protein glycosylation. You would most likely find such a mutant by looking for cells with defective ___________.
Answer: A eukaryote
Explanation:
The oldest rocks on Earth are REALLY old - about 4.6 billion years old - but all of the oldest ones are found on land and not in the ocean. Around the mid-ocean ridge, the rocks are very young (only 9 million years old). Why is there a difference in the ages of rocks on land versus in the ocean?
Why are the oldest rocks on the ocean floor only 200 million years old while the oldest rocks on the continents are almost 4 billion years old?
Explanation: The oldest oceanic crust is about 260 million years old. This sounds old but is actually very young compared to the oldest continental rocks, which are 4 billion years old. ... It is due to the process of subduction; oceanic crust tends to get colder and denser with age as it spreads off the mid-ocean ridges.
A rock unit in which oil and gas can accumulate is called an aquifer.
True false question.
True
False
The corner of the cells of collenchyma tissue in plants are thickened due to dipostion of :
a) Lignin and Suberin
b) Suberi and Cutin
c) Cellulose and Pectin
d) Chitin and Lignin
HELP!!!
what is a component of cell theories
○Cells come from bacteria
○cells come from cells
○cells come from nonliving matter
○cells come from non-cells
Answer:
cells come from cells
Explanation:
The component of cell theories is that all cells come from already existing cells by division.
The component of the cell is that it is the primary element of life and that all the living things are made of one or more cells.
New cells come from the old ones by division and it means that no living thing can come into being through the non-living thing.
What is a species of bacteria that causes disease?
Answer:
Pathogenic bacteria are bacteria that can cause disease. This article deals with human pathogenic bacteria. Although most bacteria are harmless or often beneficial, some are pathogenic, with the number of species estimated as fewer than a hundred that are seen to cause infectious diseases in humans.
Explanation:
How does a vaccine effect your body's antibodies?
Answer:
Read this you will find the answer :)
Explanation:
The body identifies antigens as dangerous and stimulates antibodies to attack them. ... The first time the body encounters a germ, it can take several days to make and ... disease just before or just after vaccination could develop symptoms
Which rock is classified as an evaporite? *
Answer:
sedimentary rocks
Explanation:
11 12 13 14 15
During a long drought, many deer become weak because a basic need is not being met.
What requirements for life are the deer most likely lacking?
A enough space
B enough water
C adequate shelter
D ability to find mates
Answer:
C. Enough water.
Explanation:
That is the one that would cause them to start to become weak.
why biology is an incomplete subject
Explanation:
I dont think so biology is an comlete subject
Placing solar panels on the roof of every home would be beneficial to the environment because:
Select one:
Solar panels produce energy but not greenhouse gases.
Solar panels increase the greenhouse effect.
Solar panels allow homes to be warmer in temperature.
Solar panels allow homes to be cooler in temperature.
Placing solar panels on the roof of every home would be beneficial to the environment because solar panels produce energy but not greenhouse gases.
What are Solar panels?Solar panels are structures composed of materials capable of absorbing solar radiation in order to be converted into electricity, thereby representing a renewable source of energy.
In conclusion, Placing solar panels on the roof of every home would be beneficial to the environment because solar panels produce energy but not greenhouse gases.
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Differences in traits such as hair texture are determined by differences in -
Answer:
genes or genetic traits
Explanation:
Differences in traits such as hair texture are determined by differences in genes or genetic traits. These genes determine what physical characteristics a human will possess. They are determined by the parents of an offspring and vary from person to person
what would be the result in macromolecule structure and function if the world was based on a small nonpolar lipid
Changes is macro molecule structures are expected among other things.
Briefing :There would be significant changes to proteins and carbohydrates if the Earth were built on a tiny non-polar lipid rather than water. Basic alterations in an organism might include solubility, catabolism, metabolism, and absorption. Because there aren't enough dissolved media, a lot of water-soluble material would become immobile.
However, other stuff that is soluble in fat will be very mobile and well absorbed. Sessile organisms that rely on nutrients that are dissolved in water for absorption, such as trees, will lose this capability. Finally, abiotic variables like precipitation and rock weathering will be affected. There will no longer be polar cap freezing or ice melting, and there will be an influx of a non-evaporating liquid.
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which of the following is a true statement about lipids in cell membrane?
Answer:
True
Explanation:
The lipid portion of plasma membrane has cholesterol which is responsible for the fluidity of plasma membrane and acts like a liquid. Cholesterol depends upon the temperature and shows different effects in the membrane.
So, the correct statement is 'True'.
What hormone, released from the pancreas in response to a low blood glucose level, acts to raise blood glucose back to normal?.
When blood glucose levels fall too low (low blood glucose), the pancreas pumps out more glucagon. This hormone helps blood glucose rise back up in multiple ways: It causes the liver to convert stored glucose into a usable form and then release it into the bloodstream.
Describe the term weather in your own words.
Answer:
weather is whats going on in the atmosphere pff
Explanation:
Please somebody help
Me I need the answer asap.A teacher is pushing a cart filled with books down a hallway with a wooden floor which change will help the teacher move the cart more easily?
A.putting fewer books in the cart
B.removing the wheels from the cart
C.carrying the cart instead of rolling it
D.laying carpet over the wooden floor
Answer:
a
Explanation:
Answer True or False.
Cancer cells show no contact inhibition. Therefore, cell growth and division does not stop.
True
False
Answer:
Cancer cells are immortal and keep on dividing for an unlimited number of times. Cancer cells pile on top of one another and grow in multiple layers, forming a tumor. Cancer cells keep on dividing, even when stimulatory growth factors are absent, and they do not respond to inhibitory growth factors.
The statement "Cancer cells show no contact inhibition. Therefore, cell growth and division do not stop" is true.
What are cancer cells?
Cancer cells are abnormal cells that grow rapidly without stopping. These cells cause tumors because of unstoppable cell growth.
The amount of times that cancer cells can divide is infinite because they are immortal. A tumor is created when cancer cells stack on top of one another and grow in numerous layers.
Even in the absence of stimulator growth factors, cancer cells continue to divide and do not react to inhibitory growth factors. No contact inhibition is a mechanism that is used for stropping cancer and this inhibition is not present in cancer cells, that's why they divide rapidly.
Therefore, the statement is true.
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The diagram shows a cross section of a eukaryotic cell.
Cytoplasm
How does the cytoplasm interact with the other organelles in the cell?
A. Cytoplasm creates lipids that are absorbed by other organelles in the cell.
B. Cytoplasm removes waste from other organelles and transports it out of the cell.
C.
Cytoplasm translates genetic information into proteins for other organelles in the cell.
D
Cytoplasm provides support to the other organelles and helps maintain the shape of the cell.