The perception pathway corresponds to the "what" pathway, while the action pathway corresponds to the "where" pathway.
What: temporal lobe; ventral pathwaywhere: dorsal pathway: parietal lobe, spacial orientationA suggested structure of the visual system based on neuroanatomical, electrophysiological, and lesion investigations is known as the "what and where pathways." It defines two information processing streams that come from the occipital cortex and display relative specialization in object recognition and spatial vision.
The dorsal stream flows to the parietal cortex, and the ventral stream goes to the temporal cortex (where). According to the currently accepted theory, the various maps are organized hierarchically into two main pathways: the ventral stream, also known as the "what" pathway, which is involved in recognition and memory, and the dorsal stream, also known as the "where" pathway, which is involved in action programming.
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explain in detail how enzymes work.
If the single loss expectancy (sle) of an asset is $90,000 and the annualized rate of occurrence (aro) for a specific threat to that asset is 50%, then what is the annualized loss expectancy (ale)?
Annualized loss expectancy (ALE) is $45,000.
Your organization's annualized loss expectancy for a particular asset is calculated using the annualized loss expectancy formula, or ALE formula, to determine its quantitative risk. You may develop budgets, plan for your company's financial future, and identify any losses you may sustain by using an ALE formula.
Given;
Single loss expectancy (SLE) = $90,000
Annualized Rate of Occurrence (ARO) = 50% of $90,000 = $(50/100) = 0.5
Annual loss expectancy (ALE) = Single Loss Expectancy (SLE) * Annualized Rate of Occurrence (AR)
ALE = SLE/ARO
ALE = 90,000/ 0.5
ALE = 45,000
As a result, the company can expect an annualized loss expectancy of $45,000.
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The photos above contain one example of each; igneous rock: metamorphic rock and sedimentary rock. study the pictures carefully and determine which rock is shown in each picture
Picture (A) is the metamorphic rock (B) is the igneous rock and (C) is the sedimentary rock
What is Rock ?Mineral grains that have grown or gotten cemented together to form a solid mass are called rocks. It depends on the rock; some are big, some are little. The word "pebble" refers to little rocks. At least one mineral can be found in every rock. According to their formation, geologists categorise rocks.
Sedimentary, igneous, and metamorphic rocks are the three major categories of rocks. Each of these rocks is the result of physical processes that are a part of the rock cycle, such as melting, cooling, erosion, compacting, or deformation.Rocks and minerals are used by humans for a variety of purposes, such as construction, cosmetics, transportation, and infrastructure. Humans must regularly ingest minerals in order to sustain a healthy lifestyle and build their bodies.Learn more about Rocks here:
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How does brown bear interact with geosphere
The brown bear interact with geosphere by acting as an agent of dispersion for seeds and also helping to maintain the population of some animals in the ecosystem.
What is Geosphere?This is defined as the solid component of the earth and comprises of parts such as rocks, minerals etc. It also serves as the habitat for most of the organisms which are present in nature.
Brown bear is an example and interacts with it by acting as an agent for seed dispersal. Brown bear eats plants and animals therefore they are omnivores. After they eat fruits, they throw away the seeds which germinates again after some time and leads to new plants sprouting up which helps to ensure adequate flow of energy in the ecosystem.
Brown bears are also predators for some animals such as deer and helps to maintain their population which are therefore the reasons how it interacts with the geosphere.
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Nerve cells in the visual system, anywhere from the retina back to the occipital lobe, are known as.
Nerve cells in the visual system, anywhere from the retina back to the occipital lobe, are known as Visual neurons.
Neurons situated within the visual cortex are called visual neurons and these are highly specialized for their function. The corners of larger visual forms and lines of a specific length can be detected by these neurons. These cells slow down or stop responding when a line or corner of an image crosses a predetermined boundary.
Receiving, dividing, and integrating visual data is the main function of the visual cortex. Other parts of the brain are then delivered the processed information from the visual cortex to be studied and replied to.
Visual neurons are distinguished specifically as simple and complicated neurons. Simple cells, which are mostly found in V1 of the visual cortex, respond to a particular set of visual cues, such as edges and orientations, within a single receptive field.
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Scientific research has led to the discovery of many types
of bacteria and viruses that cause human diseases.
Which statement best describes the impact of this scientific research?
A. It has a negative impact on both society and the environment.
B. It harms the environment because it prevents scientists from
researching environmental problems.
C. It has a negative impact on society but a positive impact on the
environment as new species are discovered.
D. It benefits society because the research helps scientists develop
new treatments.
Scientific research has led to the discovery of bacteria and viruses, which benefited society because it helped scientists to develop new treatments against diseases (Option D).
What does the impact of scientific research mean?The impact of scientific research involves the positive outcomes that society holds by the scientific investigations that aim to discover different microorganisms such as in this case bacteria. These investigations helped to develop new treatments focused on specific characteristics of these microorganisms.
In conclusion, the statement 'it benefits society because the research helps scientists develop new treatments' is True about the impact of scientific research (Option D is correct).
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Answer: D
Explanation: I have my ways ;>
Please help me due soon
Endotoxin is associated with:_____
a. gram-positive bacteria.
b. a molecule that binds nerve cells.
c. a component of lps.
d. excreted from the cell.
e. an interleukin.
Endotoxin is associated with a component of lps.
What is endotoxin in bacteria?Endotoxin are agents of pathogenicity of gram negative bacteria ,implicated in the development of gram negative shock. Endotoxin reacts with lipopolysachhride sensitive cells producing endogenous mediators such as tumour necrosis factor alpha.
The endotoxin is associated with lipopolysacchride. Toxicity is associated with the lipid components and immunogenicity is associated with the polysaccharides components.
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5 uses of breast milk
The benefits of breast milk are:
Provides complete nutrition to infants.Contains the presence of antibodies.Has antibacterial propertiesRich in enzymes and water.Babies can easily digest it.Why is breastfeeding important?Breastfeeding creates a healthy and emotional bond between a mother and her child. Breastfeeding supports the healthy growth of an child. It fulfils all the nutritional requirements of an infant.
Active breastfeeding supports good IQ level in infants and also boosts their immunity.
Exclusive breastfeeding reduces the chances of breast cancer in women and also aids in their postpartum weight loss.
Thus, breastfeeding is important for both mother and infant.
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The nose has mucus, a sticky substance. When outside air passes through the nose, the mucus
. Bronchitis, an inflammation of the bronchioles, is a condition in which the bronchioles are filled with mucus. When mucus accumulates,
.
The nose has mucus, a sticky substance. When outside air passes through the nose, the mucus filters the air. Bronchitis, an inflammation of the bronchioles, is a condition in which the bronchioles are filled with mucus. When mucus accumulates less air reaches to the lungs.
What is bronchitis?Bronchitis is a disease in which there is an inflammation in the lining of the bronchioles, this causes them to have a cough and this cough has mucus. It is a respiratory infection that spreads from the nose and trachea to the lungs. It can be contracted by a bacterial infection.
The symptomatology is: cough with mucus, inflammation of the bronchi, respiratory distress, general malaise, obstruction of the alveoli (with mucus), fatigue, among others.
Therefore, we can confirm that the nose has mucus, a sticky substance. When outside air passes through the nose, the mucus filters the air. Bronchitis, an inflammation of the bronchioles, is a condition in which the bronchioles are filled with mucus. When mucus accumulates less air reaches to the lungs.
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Crossing two green corn plants results in 2/3 green progeny and 1/3 white progeny. if you cross 2 green progeny with each other, your expected phenotypic ratio is:____.
(A) 100% is the expected phenotypic ratio. This is because 2 green progeny are crossed with each other as crossing two green corn plants results in 2/3 green progeny and 1/3 white progeny.
Green is the dominant phenotype and white is the recessive trait because when two green plants are crossed, two thirds of the offspring are green.
Now that only homozygous recessive will produce white, if two whites are crossed, there is a 100% chance that the children will also be white. There is no possibility of the dominant characteristic (green) manifesting when both parents are white.
The following cross can be used to convey this (taking W as the allele for color):
Parents : ww x wwGametes : w,w,w,ww w
w ww ww
w ww ww
The punnet square makes it clear that all of the progeny are homozygous recessive. As a result, choice a is accurate.
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Question correction:
Crossing two green corn plants results in 2/3 green progeny and 1/3 white progeny. If you crossed two white progeny with each other, how many of the progeny would you predict to be white?
A) 100%
B) 2/3
C) 3/4
D) 1/4
Which ecosystem with fertile soil has been mainly converted into agricultural farmlands for human use?
Answer:
the answer is Tropical Rainforests
31
Final Exam
OA
the victim's corpse
OB. the suspect's firearm
OC
an insect
a skeleton
On a crime show, the detective says, "We have to get this stiff to the lab immediately." Based on this statement, what do they MOST likely want to
get examined?
O D.
Reset
Submit Test
Next
Tools
Answer:
An autopsy on the victim and of course a thorough examination on the suspect's firearm to determine the fingerprint.
A researcher has devised a technique that allows her to label all the integral membrane proteins with a fluorescent tag. She uses a laser to bleach the fluorescence in a specific area of the cell membrane. After 24 hours, she notices that fluorescence has returned to the bleached area. What can she deduce from this experiment?.
A researcher has devised a technique that allows her to label all the integral membrane proteins with a fluorescent tag. She uses a laser to bleach the fluorescence in a specific area of the cell membrane. After 24 hours, she notices that fluorescence has returned to the bleached area. She can deduce from this experiment that integral membrane proteins are able to move laterally within the cell membrane.
In the field of biology, integral proteins of the cell membrane can be described as the proteins which are embedded in the plasma membrane of a cell. These integral membrane proteins allow the movement of specific molecules into or outside the cell through the method of facilitated diffusion.
Scientific research has shown that the integral proteins of a cell membrane can either move in a rotation or show lateral movements. It is due to the lateral movements that the fluorescence was seen again at bleached places by the researcher above. The fluorescent tag attached to only the integral proteins confirmed that it was the integral proteins showing moving laterally.
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Before they travel across the synapse to bind with receptors on the postsynaptic membrane, chemical messengers are stored in what location on the presynaptic membrane?.
They are stored in synaptic vesicles.
Where are chemical messengers kept on the presynaptic membrane before they cross the synapse to connect with receptors on the postsynaptic membrane?
Neurotransmitters come in a wide variety, and more are always being found! The very definition of what constitutes a neurotransmitter has evolved and grown throughout time. We'll discuss these unconventional neurotransmitters at the end of the article, but for now, let's start out by talking about the conventional ones. The chemical messengers that act as conventional neurotransmitters share some basic features. They are stored in synaptic vesicles, get released when textCa2+Ca increases in the synaptic cleft, and are released from synaptic receptors.
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While fleming was investigating the effect of green mold, he added mold to only half of the dishes containing bacteria. why was the set of dishes without the mold an important part of the experiment? and what was this group called
While Fleming was investigating the effect of green mold, he added mold to only half of the dishes containing bacteria. The set of dishes without the mold was an important part of the experiment because they will help in deducing whether the hypothesis of Fleming was correct or not. This group was called the control group.
The scientific research method contains a control group and an experimental group. In a control group, changes are not made so that the results from the experimental group can be compared with the control group in order to deduce results from a hypothesis.
In the case above, half of the Petri dishes in which Fleming added the green mold were the experimental group. The other half, in which the mold was not added will act as a control group. The control group helped Fleming to deduce results from his hypothesis that the green mold was responsible for the killing of bacteria in the Petri dishes.
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On the first graph, which label is on the x-axis? (Look at Photo)
A. Glucose
B. Meals
C. Blood Glucose
D. Time
You find a single-cell organism with a cell wall in the soil of a forest-can this organism be an animal? Which
characteristics indicate that the organism is a bacterium and not a plant?
1. The DNA is contained in a nucleus.
2. The DNA is contained in a nucleus, and the cell wall is made of cellulose.
3. The cell wall is made of cellulose.
4. The cell wall is made of peptidoglycan.
5. The DNA is contained in a nucleus, and the cell wall is made of peptidoglycan.
Answer:
4. The cell wall is made of peptidoglycan.
Explanation:
While plant cells and bacteria both have cell walls, they are most of the time made out of different material.
Most plant cell walls are made out of cellulose, a polysaccharide
Most bacterium cell walls are made out of peptidoglycan
Bacteria also do not have their DNA within a nucleus, while plants do.
Help please.
The diagram shows how a type of rock is formed overtime.
Answer:
Sedimentary Rock
Explanation:
Sedimentary rocks are formed they are pressured down and compacted
what can you infer about the pH of a stomach and an intestine? Justify your answer.
Answer:
The pH of a stomach is more acidic as the enzymes found in the stomach work best in acidic environments while enzymes in the intestines work better at a more neutral pH - like 6-7 depending on the intestine.
The stomach has a pH between 1.5 and 3.5 generally and this is due to the cells in the stomach releasing hydrochloric acid. The low pH is useful for “unraveling” proteins making them easier to digest and killing bacteria and other pathogens.
In the small intestine, the enzymes that "work" there need an alkaline pH in order to have optimum working conditions. Strong acids (like hydrochloric) can end up damaging the lining of your intestine.
The stomach has a lower pH (acidic) compared to the intestine (basic).
The pH of a solution indicates its level of acidity or alkalinity. A lower pH value indicates greater acidity, while a higher pH value indicates greater alkalinity or basicity. Based on this understanding, we can infer the following about the pH of the stomach and the intestine:
Stomach: The stomach is an organ responsible for food digestion. It secretes gastric juices containing hydrochloric acid (HCl) and enzymes that help break down food. The acidic environment of the stomach is essential for the activation of these enzymes and the breakdown of proteins. The pH of the stomach is typically around 1.5 to 3.5, making it highly acidic. This acidic environment aids in the initial stages of digestion.
Intestine: The intestine, specifically the small intestine, is where most of the digestion and nutrient absorption occur. After leaving the stomach, partially digested food enters the small intestine. The acidic chyme from the stomach needs to be neutralized to protect the intestinal lining and allow for efficient enzyme activity. The pancreas secretes bicarbonate ions to neutralize the chyme, raising the pH. The small intestine has a pH range of around 7 to 8, which is more alkaline or basic compared to the stomach.
In summary, the stomach has a lower pH (acidic) due to the presence of hydrochloric acid and the need for optimal protein digestion. The intestine has a higher pH (basic) due to the neutralization of stomach acid and the requirements of effective enzymatic activity and nutrient absorption. The pH difference between the stomach and intestine reflects the specialized functions of these digestive organs and how their environments are tailored to facilitate different stages of digestion and nutrient processing.
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A community is concerned about the effect of a proposed housing development on the biodiversity of a local pond. To mitigate the effect of the houses, the community is considering a ban on lawn fertilizer. A computer simulation was used to predict the outcome of the ban. The results are shown in the table.
If the community decides to allow the housing development, what is the strongest argument for banning the use of fertilizer that is supported by the results of the simulation?
(A) Compared to no regulations, banning lawn fertilizer increases species diversity by 50 percent after 25 years.
(B) Compared to initial conditions, banning lawn fertilizer decreases species diversity by 25 percent after 25 years.
(C) Compared to no housing development, banning lawn fertilizer decreases species diversity by 25 percent after 25 years.
(D) Regulations will keep species diversity from decreasing.
(E) Without the housing development, species diversity remains about the same from year to year.
Compared to initial conditions, banning lawn fertilizer decreases species diversity by 25 percent after 25 years.
What is biodiversity?The term biodiversity refers to the different species of the plants and animals in the ecosystem. We know that an increase in biodiversity of species helps to maintain the balance of the ecosystem.
The simulation as we could see in the answer shows the changes in the biodiversity over a period of twenty five years under conditions of no action, regulated housing development and unregulated housing development.
Looking at the results of the simulation, we can see that the strongest argument for this position is; compared to initial conditions, banning lawn fertilizer decreases species diversity by 25 percent after 25 years.
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- When the action potential reaches the end of
the axon terminal, it causes the release of
a. an electrical spark that sets off the next
cell
b. positively charged ions that excite the next
cell
c. negatively charged ions that inhibit the
next cell
d. neurotransmitters that excite or inhibit the
next cell
What levels of protein structure would be affected if all hydrogen bonding interactions were prevented?.
Secondary, tertiary, and quaternary levels of protein structure would be affected if all hydrogen bonding interactions were prevented.
What is protein structure?The three-dimensional configuration of an amino acid-chain molecule's atoms is known as protein structure. Sequences of amino acids, the polymer's monomers, are used to create proteins, specifically polypeptides.
What are different levels of protein structure?Primary, secondary, tertiary, and quaternary structure are the four levels of complexity that can be used to characterize the entire structure of a protein. The primary structure of a protein is its polypeptide chain's amino acid composition; secondary structure is the local spatial organization of a polypeptide's backbone (main chain) atoms; tertiary structure refers to the three-dimensional organization of an entire polypeptide chain; and quaternary structure refers to the interactions between the four hemoglobin subunits.
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What is the name of the type: of fertilization where the male copulating organ delivers sperm directly to the female reproductive tract?
A) external fertilization
B) pollination
C) copulation
D) internal fertilization
In meiosis i, the diploid number (2n) of chromosomes is reduced to the haploid number (n) because of the separation of what?
The seperation of gametes reduces the number of chromosomes into half.
Why is the number of chromosomes reduced in meiosis?The majority of eukaryotes, including humans, undergo meiosis, which results in a reduction in the number of chromosomes. Because the gametes produced with half the number of chromosomes as their parent cells can mate to create a diploid zygote, it enables diploidy.
The seperation of gametes called the gametogenesis which reduces the number of chromosomes diploid to haploid.
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What possible factors could dictate or influence the number of spinal nerves in animals?
Developmental gene expression patterns could be a possible factor that could influence the number of spinal nerves in animals.
In vertebrates, a spinal nerve is any of the several pairs of peripheral nerves that emerge from the spinal cord. A spinal nerve is a mixed nerve that conveys motor, sensory, and autonomic signals. Each pair joins a certain part of the body to the spinal cord. The number of spinal nerves in a vertebrate corresponds to the number of vertebrae in the vertebral column.For example, tadpoles have greater number of spinal nerves than adult frogs owing to their tails. Tails are expendable organs. As a tadpole metamorphoses into an adult frog, the tail is lost. Hence, the spinal nerves originally present in the tail are lost too thereby reducing the number of spinal nerves in an adult frog.Therefore, factors such as developmental gene expression patterns, morphology and developmental processes of an animal could dictate or influence the number of spinal nerves in animals.
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An escherichia coli culture you are growing in a lab culture enters the long-term stationary phase of the growth curve. what are the major reasons that scientists believe this occurs?
According to the given statement the major reasons that scientists believe this occurs:
Toxins have accumulated and nutrients have been depleted. Viable but non-culturable cells predominate in the population. Some members of a population are undergoing programmed cell death in order to preserve survivors.
How does one obtain an E. coli culture?15 g agar in 800 ml water, autoclaved for 15 minutes Combine the sterile concentrated minimum media with the carbon source. Add vitamins and antibiotics once the medium has cooled to around 50°C. Pouring 32 to 40 mL of medium per plate yields approximately 25 to 30 plates per liter.
What exactly is an E. coli infection?coli) is a bacteria that ordinarily dwell in the intestines of both healthy individuals and animals. In most circumstances, this bacteria is not harmful. It aids digestion. However, certain strains of E. coli can create symptoms such as diarrhea, stomach aches and cramps, and a low-grade fever.
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Calcium crystals are a normal part of what body region?
G) engen is an energy storage molecule in humans. A hormone that is called insulin controls the storage of glycogen
in the liver. Insulin is made up of amino acs,
Which statement correctly identities the types of macromolecules that are described?
O Gheegen is a protein, and insulin is a liple,.
© Gieagen is a protein, and insulin is a protein,
© Gynogen is a carbohydrate, and insulin Is a lipld,
O Ghoogen is a carbohydrate, and insulin is a protein.
Glycogen is a carbohydrate and insulin is a protein. So the correct option is D.
What are glycogen and insulin?
Glycogen is a stored form of glucose composed of several linked glucose molecules. Glucose (sugar) is the primary source of energy in your body. It is derived from carbs (a macronutrient) found in certain meals and fluids. When your body does not require glucose from the food you consume right away for energy, it stores it as glycogen in your muscles and liver for later use.
The process through which your body generates glycogen from glucose is known as glycogenesis. Glycogenolysis is the process through which your body breaks down glycogen for usage.
Your body converts the food you eat into glucose (sugar), which serves as your body's primary source of energy. Glucose enters the circulation, signaling the pancreas to produce insulin.
Insulin allows glucose in your blood to reach muscle, fat, and liver cells, where it can be used for energy or stored for later use. When glucose reaches your cells and levels in your circulation fall, your pancreas signals to stop generating insulin.
Therefore the correct option is D.
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What are some examples of secretory cells?
