scientists sometimes conduct ___ studies on animals in which sections of their brain are surgically excised to see how it affects their behvior
Answers
Scientists sometimes conduct lesion studies on animals in which sections of their brains are surgically excised.
Lesion studies are directly related to dysfunction of the brain and also identify the defect in the brain. The manipulations in the brain can be done and their behavior can be studied. If the part of the brain is excised, it can lead to impaired movement, irritation, blurry vision, hearing loss, and also in the involuntary movement of some parts of the body. The other behavioral alterations can be memory loss and also hampers the ability to make quick decisions.
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Related Questions
The organ that secretes fluid into the small intestine is the _____________
A) Spleen
B)Thymus Gland
C)Pancreas
Answers
Explanation:
the pancreas creates natural juices called pancreatic enzymes to break down foods. These juices travel through your pancreas via ducts. They empty into the upper part of your small intestine called the duodenum. Each day, your pancreas makes about 8 ounces of digestive juice filled with enzymes.
How would living things most likely be affected if there were a shortage of water on earth? living things would not be able to live, reproduce, or regulate their own temperature. living things would not be able to absorb and transport heat or regulate their own temperature. living things would not be able to reproduce or absorb and transport heat. living things would not be able to regulate their own temperature, live, or absorb or transport heat.
Answers
The absence of water, living things would not be able to regulate their own temperature, live, or absorb or transport heat.
Importance of waterWater is known to be the medium for all biochemical reactions. On man,the body is composed of about 70% water.
Hence, in the absence of water, living things would not be able to regulate their own temperature, live, or absorb or transport heat.
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Answer:
( A ) Living things would not be able to live, reproduce, or regulate their own temperature.
Explanation:
Which best describes the distribution of communities on a tall mountain?
Answers
Why are groups of small cells better than one large cell at moving material in
and out?
A. They have a smaller volume.
B. They have more cell structures,
C. They have a greater surface-to-volume ratio.
O
D. They have a lower surface-to-volume ratio.
Answers
Answer:
C. They have a greater surface-to-volume ratio.
Explanation:
Because these smaller cells can access and pass through the membranes of the other cell membranes and permeable coverings easily and voluntarily unlike larger cells. It is also efficient for these smaller cells to penetrate and travel, delivering and transporting goods and materials such as nutrients, oxygen and waste throughout the body without consuming enough energy and conserving lesser space.
For simple reasons, they are faster, more efficient and consumes little space, and most especially depletes lesser energy. So, many small cells have more surface area than one large cell.
Which process emits carbon dioxide naturally into the atmosphere during the carbon cycle?
A ) photosynthesis
B ) Gas combustion
C ) Cement production
D ) Cellular respiration
Answers
Answer:
B ) Gas combustion
step by step explanation:
Answer:
D ) Cellular respiration
Explanation:
I think naturally is the key word, so I think it's cellular respiration.
TRUE/FALSE,meiosis is a mean to make gametes, and is the reason each parent passes one copy gene to their offspring
Answers
True.
The purpose of meiosis is to produce gametes or sex cells. During meiosis, four daughter cells are produced, each of which is haploid (containing half as many chromosomes as the parent cell).
What is Meiosis?
Meiosis contains two distinct cell divisions, which means that one parent cell can produce four gametes (eggs in females, sperm in males). In each round of division, cells go through four stages: prophase, metaphase, anaphase, and telophase.
Before entering meiosis I, a cell must first go through interphase. This is the same interphase that occurs before mitosis. The cell grows, copies its chromosomes, and prepares for division during the G1 phase, S phase, and G2 phase of interphase.
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PLS HELP!! I’ve checked everywhere but no answer. Will mark brainliest If correct! “If” Part C
The next step is to collect facts that you will use in your paper. While gathering facts, you may want to use
these reading strategies e. In the space provided, write five facts that you collected through your
research that you will include in your paper.
Answers
Answer:
If you want me to answer this question repost it and that little Blue Link there that says reading strategies, I need you to cut that screenshot it and put that up with the question.Before I can answer the question I need the info that's on that link.Then I can answer for you understand edmentum is stressful.
I have edmentum too, I'm 15 and I'm in 11th grade
Answer:
If you want me to answer this question repost it and that little Blue Link there that says reading strategies, I need you to cut that screenshot it and put that up with the question.Before I can answer the question I need the info that's on that link.Then I can answer for you understand edmentum is stressful.
Explanation:
Describe what happens to carbohydrates in the human body between ingestion and assimilation in the liver.
Answers
Carbohydrates are broken down into glucose, absorbed by the small intestine, transported to the liver, and used for energy or stored as glycogen or fat depending on the body's needs.
Insulin is a hormone produced by the pancreas that regulates the amount of glucose in the bloodstream. If there is a high amount of glucose in the bloodstream, insulin will signal to the liver and muscle cells to absorb and store the excess glucose. If there is a low amount of glucose in the bloodstream, glucagon will signal the liver to break down the stored glycogen into glucose and release it into the bloodstream to be used for energy.
When carbohydrates are ingested, they are digested in the mouth and stomach. The carbohydrates are broken down into glucose. The glucose is absorbed by the small intestine. The glucose is then transported to the liver.
The glucose is used for energy and stored as glycogen in the liver and muscles for later use. If there is an excess of glucose, it will be stored as fat in the adipose tissue.
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what did the initial mating experiment between glowing fish discover? select all that apply.
a.Glow fish can't reproduce.
b.Only males can pass on the glow trait.
c.Glow fish can reproduce.
d.Glow fish can't pass on the glow trait.
e.Glow fish can pass on the alow trait.
Answers
During the initial breeding experiment of glowing fish, it was discovered that they are capable of reproducing and passing on the glowing trait to their offspring.
Define reproduction.
Reproduction is the process of generating offspring, and it can occur through asexual or sexual means. Sexual reproduction involves the fusion of genetic material from both parents, resulting in genetically unique offspring. On the other hand, asexual reproduction involves a single parent replicating itself, producing genetically identical offspring.
Glofish follow the typical reproductive process of their species. A female Glofish can lay several hundred eggs in one clutch and continue to lay an egg every two to three days. When born, each GloFish inherits its distinct color from its parents, which it retains throughout its life and passes on to its own offspring. The genes responsible for producing fluorescent proteins in GloFish are derived from naturally occurring genes found in marine species.
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Use the periodic table to complete this equation that represents nuclear fission processes.
233U+'n Ba+ C+3 'n
130
56
92
A:
B:
C
Answers
Answer:
the answer is
A: 94
B: 36
C: Kr
The process of nuclear fission will always produce daughter nuclei and more neutrons in the process.
What is nuclear fission?The term nuclear fission has to do with the process in which the nucleus of an atom is bombarded with a particle which makes it to breakup thereby releasing energy in the process.
The question is incomplete as the equation is not clear however, the process of nuclear fission will always produce daughter nuclei and more neutrons in the process. A has the value of 94. B is the element krypton with atomic number 36.
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Biomagnification is... concentration of a contaminant stays the same as you move to higher trophic concentration of a contaminant increases as you move to higher trophic level concentration of a contaminant increases as an individual grows concentration of a contaminant stays the same as an individual grows
Answers
Answer: Biomagnification refers to the process by which the concentration of a contaminant increases as you move to higher trophic levels in a food chain or food web. In other words, as organisms consume other organisms, the contaminants present in the prey accumulate and become more concentrated in the bodies of the predators.
To understand this process, let's consider an example involving a water ecosystem. Suppose a pollutant is released into the water, such as a pesticide or heavy metal. The primary producers, such as algae or aquatic plants, absorb small amounts of the contaminant from the water. As herbivorous organisms consume these primary producers, they ingest the contaminants along with their food.
Since the contaminant is not easily broken down or eliminated from the organisms' bodies, it accumulates over time. As a result, the concentration of the contaminant becomes higher in the herbivores than in the primary producers. Now, when carnivorous organisms consume the herbivores, they not only accumulate the contaminant from their own food but also from all the prey they have consumed. This leads to an even higher concentration of the contaminant in the carnivores.
Therefore, biomagnification describes the phenomenon where the concentration of a contaminant increases significantly as you move up the food chain or trophic levels. The highest concentration of contaminants is often found in top predators, such as large fish, birds of prey, or mammals, which can have adverse effects on their health and reproductive capabilities.
It's important to note that biomagnification primarily occurs for persistent and non-biodegradable contaminants that cannot be easily metabolized or excreted by organisms. These contaminants are often lipophilic (fat-soluble), which allows them to accumulate in fatty tissues and remain in the organism's body for long periods, leading to biomagnification.
Explanation:
which era characterized by the extinction of reptiles and the appearance of mammals is considered significant in geological history
Answers
Answer:
Mesozoic Era
Explanation:
The "Mesozoic Era" is divided into three periods: Triassic, Jurassic and Cretaceous. During the last period (Cretaceous), which was considered the longest, the extinction of reptiles occurred and the new mammals appeared. This event was also known as the "Cretaceous-Paleogene Extinction Event." Around 3/4 of plants and animals died. Such event became significant boundary that laid between the Cenozoic Era and the Mesozoic Era. This made it significant in geologic history.
macroevolution: changes above the level of species-how would you explain this to another person?
Answers
Macroevolution is evolution that happens at or above the species level. It is the outcome of several generations of microevolution. Macroevolution may encompass evolutionary changes between two biotic interactions, as in coevolution, or it may necessitate the occurrence of one or more completely new species.
Macroevolution is commonly defined as the evolvement of structural components and characteristics that go far beyond the intraspecific variation observed in microevolution. In other words, macroevolution is the evolution of taxa above the species level. Anatomy and developmental biology, molecular biology, biogeography, and fossils provide evidence for large-scale evolution, also known as macroevolution. Anatomy shared by various species may be homologous due to ancestry or analogous because of similar selective pressures.
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adolescents who make the greatest gains in moral understanding have parents who
Answers
Adolescents who make the greatest gains in moral understanding often have parents who engage in open communication, provide consistent guidance, and serve as positive role models.
These parents encourage their children to express their thoughts and feelings, helping them develop critical thinking skills and empathy. By discussing moral dilemmas and ethical choices, they foster an environment that promotes reflection and problem-solving.
Furthermore, such parents consistently set clear expectations and boundaries for their adolescents, instilling a sense of responsibility and self-discipline. They apply consequences that are fair and teach important life lessons, ultimately shaping their children's moral development.
Lastly, these parents serve as positive role models by demonstrating moral values and ethical behavior in their everyday lives. Adolescents who witness their parents acting with honesty, kindness, and respect towards others are more likely to adopt similar values and behaviors themselves. In summary, adolescents with the most significant moral growth typically have parents who communicate openly, provide consistent guidance, and act as positive role models in their lives.
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Routinized response behavior is what a consumer does when group of answer choices buying frequently purchased, low-cost items that need little search effort. purchasing an unfamiliar product. buying products that require a moderate amount of time for information gathering and deliberation. he or she enters the problem recognition stage of the consumer buying decision process. an information search is extensive and may involve consulting with friends and family.
Answers
Routinized response behavior is a term used to describe a consumer's decision-making process when purchasing frequently purchased, low-cost items that require little effort or thought.
This type of behavior is often seen when buying products such as toothpaste, shampoo, or snacks. The consumer has a pre-established routine for purchasing these items and does not need to spend a lot of time researching or deliberating before making a purchase.
However, if the consumer is faced with an unfamiliar product or a product that requires a moderate amount of time for information gathering and deliberation, they may enter the problem recognition stage of the consumer buying decision process.
This stage involves recognizing a need or a problem that the consumer wants to solve. From there, an extensive information search may take place, which may involve consulting with friends and family for recommendations.
In summary, routinized response behavior is a common consumer decision-making process for low-cost, frequently purchased items. However, for unfamiliar or more complex purchases, consumers may enter the problem recognition stage and conduct extensive information searches before making a decision.
Therefore the correct option is buying frequently purchased, low-cost items that need little search effort.
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intrinsic resistance to mek inhibition in kras mutant lung and colon cancer through transcriptional induction of erbb3
Answers
In KRAS mutant lung and colon cancer, intrinsic resistance to MEK inhibition occurs through the transcriptional induction of ERBB3.KRAS mutations lead to constitutive activation of the MAPK/ERK pathway, driving cancer cell growth.
MEK inhibitors aim to block this pathway, but some cancer cells develop resistance. Studies have shown that these cells upregulate the expression of ERBB3 in response to MEK inhibition.
Increased ERBB3 activation activates alternative survival pathways, such as PI3K/AKT, bypassing the effects of MEK inhibition and promoting cell survival.
Understanding this intrinsic resistance mechanism is crucial for developing strategies to overcome resistance and enhance the effectiveness of targeted therapies in KRAS mutant cancers.
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Select all that apply: The movement of water across a membrane from an area of high to low water concentration is an example of a. diffusion b. turgor c. active transport d. osmosis e. passive transport
Answers
The movement of water across a membrane from an area of high to low water concentration is an example of osmosis and passive transport.
What is Osmosis?
Osmosis is the diffusion of water across a semipermeable membrane from a high concentration to a low concentration of solutes.
Water molecules move across the membrane in both directions, but more water will move into the solution with more solutes. The diffusion of water across the membrane from high to low water concentration is called osmosis.
During osmosis, the water moves through the selectively permeable membrane to equalize the concentration of solutes on both sides of the membrane. The solution with fewer solutes has a higher water concentration.
What is passive transport?
Passive transport is a process of moving ions and other molecular substances across cell membranes. Because it does not require energy, passive transport does not require the use of ATP.
Materials move down their concentration gradient through the process of passive transport. Simple diffusion, facilitated diffusion, and osmosis are examples of passive transport.
What is active transport?
Active transport is the energy-dependent movement of molecules across a cell membrane, typically moving from areas of lower concentration to higher concentration. Unlike passive transport, active transport requires ATP to function.
One example of active transport is the sodium-potassium pump.
What is diffusion?
Diffusion is the movement of molecules or ions from a region of higher concentration to a region of lower concentration. Diffusion is caused by random movement, and it is a type of passive transport.
What is turgor?
Turgor pressure is the force within a plant cell that pushes the plasma membrane against the cell wall, giving the cell its structure and shape. Turgor is caused by osmosis, where water enters the cell and pushes the plasma membrane against the cell wall, causing it to swell and become rigid.
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19. Which of the molecules in Model 2 would form hydrogen bonds with itself (that is, other mol-
ecules of the same type) or with water molecules if in a solution?
Answers
Positive hydrogen joins negative oxygen. Oxygen and a partly positive hydrogen atom produce hydrogen bonds. Hydrogen bonding involves O, N, or F atoms.
Polar ions and molecules attract water. Hydrophilic defines a water-soluble charged or polar molecule. Water doesn't mix well with nonpolar oils and fats. They don't dissolve in water (hydrophobic).
This is further explained below.
What are hydrogen bonds?Generally, Hydrogen bonds are formed when an electronegative "donor" atom or group forms a covalent connection with a hydrogen atom, and another electronegative atom or group with a lone pair of electrons becomes an "acceptor" for the link.
In conclusion, Hydrogen's positive end joins oxygen's negative end.
These interactions are hydrogen bonds, which form when an oxygen atom and a partially positive hydrogen atom link.
Hydrogen bonding requires linking electronegative atoms, O, N, or F.
Ions and polar compounds attract water molecules. Hydrophilic describes a charged or polar molecule that dissolves in water.
Nonpolar oils and fats don't mix well with water. They're hydrophobic, which means they don't dissolve in water.
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PLEASE HELP WILL GIVE BRAINLIEST
Sustainability means developing practices that protect the environment while also providing for human needs. Which of the following changes would be most helpful in achieving sustainable agriculture?
Clearing land for agriculture by cutting down trees instead of burning them
Rotating crops to replenish the soil with nutrients
Tilling the ground to remove weeds and create uniform crops
Growing crops that produce only renewable resources
Answers
The change that would be most helpful in achieving sustainable agriculture is rotating crops to replenish the soil with nutrients (Option 2 is correct).
What is sustainable agriculture?Sustainable agriculture is a type of agricultural practice that allows the renovation of renewable resources. This procedure can be maintained over a longer period of time without the need to incorporate new material into the soil, which is achieved by rotating crops and thus replenishing the soil with more nutrients.
In conclusion, sustainable agriculture is associated with the rotation of plant crops, which helps to reload the soil with nutrients and thus new crops can grow in different seasons (Option 2).
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A researcher investigates a blood disease carried by birds. She isolates an organism from the blood of an infected bird. She finds that the organism is unicellular and has a nucleus, a cell wall, and the ability to produce spores. What kingdom does the organism belong to?
Answers
The organism belongs to Kingdom Fungi because the organism is said to be unicellular and has a nucleus, a cell wall, and the ability to produce spores.
The kingdom of the organism in question is the kingdom of Fungi. This is because the organism has the ability to produce spores and a cell wall, which are characteristic of fungi.
Fungi are a diverse group of organisms that are eukaryotic, meaning they have a nucleus. They are also heterotrophic, meaning they must obtain their food from other organisms.
Most fungi have a cell wall made of chitin, a substance that is not found in the cell walls of other organisms. Fungi are essential to many ecosystems as decomposers of dead organic matter and as symbiotic partners with plants
In conclusion, the researcher investigating the blood disease carried by birds has isolated an organism from the blood of an infected bird that belongs to the kingdom Fungi.
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A 1 on the pH scale indicates a very strong base.
True or false
Answers
Which line on the graph best represents the average monthly insulation received at the equator?
Answers
The line on the graph which best represents the average monthly insolation received at the equator is D.
What is Insolation?This is referred to as the amount of solar radiation that is received by a planet and is is used for various purposes such as in plant for photosynthesis etc.
The line on the graph which best represents the average monthly insolation received at the equator is D because the range between the highest and lowest value of the months is the lowest which represents the correct average conditions in this scenario and is therefore the reason why it was chosen.
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HELP 20 POINTS!
cellular respiration occurs in a cells ___________
Answers
I’m bored
Who knows how to do this
Answers
Answer:
Rill - a small groove in soil created by run off.
Gully - a channel of connected grooves created by run off.
Stream - one of the many channels created to form a river.
Tributary - series of connected channels that fills with water.
Explanation:
Hope it helps.
Answer:
Ew edgeunuity
Explanation:
Which substance will MOST LIKELY cause a decrease in pH if it is leaked
into a North Carolina waterway by a local industry?*
Answers
The ducts or tubes responsible for receiving the ovulated oocyte and providing the site for fertilization are the ________.
Answers
1. The chemical equation for photosynthesis is shown below is incomplete
6H20 + ______________ energy C6 H12 O6 + ________________
Plant pigment
a) Complete the equation in either all words or all symbols.
b) Name the plant pigment necessary for this reaction
2.
Name the tissues labelled A………………….., B………………… and C…………………..(3M)
3. Complete the table by matching each of the described functions to one of the leaf parts as shown in above diagram (4M)
Description of function Leaf part
Main region for photosynthesis. Contain
many chloroplast to trap light energy.
Cells are loosely packed. Air spaces between cells allow gaseous exchange.
Thin and transparent layer that allows light to pass through.
Water vapor passes out during transpiration.
If question 2 is not answerable or if the picture is missing then leave it
Answers
Answer:
Explanation:
C2+c4=83
Carbon plus oxygen
Why are index fossils useful to scientists?
Answers
Answer:
Fossils are used to determine the ages of rock layers. Index fossils are the most useful for this. Index fossils are organisms that lived over a wide area. An index fossil allows a scientist to determine the age of the rock it is in.
Explanation:
guys why is it important to know the three different type of rocks?? ( i need help please i have a 45 in this grade :(
Answers
Rocks are classified into the three different types for easy identification.
What are rocks?Rocks are rigid structures in geology which are made up of various minerals such mica, halite, and calcites.
There are various types of rocks which include the following:
Igneous rocks: These are the rocks that are formed when molten magma cools from a volcanic eruption. The commin types of igneous rocks include:felsic, intermediate, mafic, and ultramafic.Sedimentary rocks: These are the types of rocks formed from deposition of mineral or organic materials. The common types of sedimentary rocks include: breccia, conglomerate, sandstone, siltstone, and shale.Metamorphic rocks: These are the type of rocks formed when sedimentary or igneous rocks are being subjected to high pressure or high heat. The common types of metamorphic rocks include phyllite, schist, gneiss, quartzite and marble.The above classification is very important especially to geologists for easy identification of rock that are under study which can easily be differentiated through their various composition and texture.
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What is the probability of getting the same numbers on 3 dice when they are thrown simultaneously?
Answers
Answer:
So, assuming the dice are 'fair' (that each of the six numbers has a probability of 1/6 of showing up on each of the dice), there is a probability of 1/36 that all three dice will show the same number.
Explanation: