Learned food aversions are generally acquired from _____ due to the evolutionary adaptive conditioning of rejecting foods that may be toxic.
Answers
Learned food aversions are generally acquired from associative learning due to the evolutionary adaptive conditioning of rejecting foods that may be toxic.
The acquisition of learned food aversions is primarily driven by associative learning, specifically the process of classical conditioning. In this context, organisms develop aversions or strong dislikes towards certain foods after associating them with negative experiences, such as illness or discomfort. This type of learning is believed to have evolved as an adaptive mechanism to help organisms avoid potentially harmful or toxic substances. When an organism consumes a particular food and subsequently experiences negative effects, such as nausea, vomiting, or illness, the brain forms an association between the taste, smell, or appearance of that food and the negative consequences. This association creates a conditioned aversion, leading to a strong avoidance response towards that specific food in the future. Evolutionarily, this aversion is beneficial as it promotes survival by preventing the ingestion of potentially toxic or harmful substances.
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Related Questions
Please modify the sentence below to make it a TRUE statement.
Strip mining is less harmful to the environment than shaft mining, but more dangerous to miners.
Answers
Strip mining is more harmful to the environment than shaft mining, but less safe to miners.
What are the environmental impacts of mining?The main impacts of mining are:
environmental water turbidity and increased water pH quality, change in size can be more acidic), soil and water flow with metals, quality to be provided in economic environments.So in this case, Strip mining is more harmful to the environment than shaft mining, but less safe to miners.
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Question 13 The most abundant photoreceptors that detect dim light are Cones.
A True
B False
Question 14 Muscular tissue that adjusts the shape of the pupil to regulate how much light enters the eye is IRIS.
A True
B False Question
15 Opsins are visual pigments derived from Vitamin D.
A True
B False
Answers
Answer:
Question 13:
B. False
The most abundant photoreceptors that detect dim light are Rods, not Cones. Rods are highly sensitive to low light conditions and are responsible for vision in dim light and peripheral vision. Cones, on the other hand, are responsible for color vision and high visual acuity but are less sensitive to low light conditions.
Question 14:
A. True
The iris is the muscular tissue in the eye that adjusts the size of the pupil, controlling the amount of light entering the eye. It contracts or expands to regulate the size of the pupil in response to changing light conditions.
Question 15:
B. False
Opsins are visual pigments found in photoreceptor cells, specifically in the retina of the eye. They are responsible for capturing light and initiating the process of vision. Opsins are not derived from Vitamin D. Vitamin D is a separate compound involved in various physiological processes in the body, including calcium absorption and bone health.
Explanation:
What provides structure for plants
1. Carbonhyrdrates
2. Lipids
3. Nucleic acids
4. Proteins
Answers
Answer:
The correct answer is : 1. carbohydrate.
Explanation:
Cellulose is a major substance present in cell walls of the plants which provides support to the structure of plants. As it is most abundant bio polymer in nature are made up of monomers of glucose molecule joined together by bonds in between specific carbon atoms.
The rigidity of the plant is come from this carbohydrate, cellulose. Lipids, proteins are also component of the plant cell and plays various role in the cell for instance lipid acts as barrier and present in plasma membrane of the plant cell and provide insulation too.
Thus, the correct answer is : 1. carbohydrate.
which regions of a homeobox gene would you predict to be extra sensitive to mutations that result in adverse phenotypes
Answers
Regions of the homeobox gene that are extra sensitive to mutations leading to adverse phenotypes include the homeodomain regions, the 5' UTR and the 3' UTR, which control the level of expression of the gene.
The homeobox gene is a DNA sequence that codes for proteins responsible for the development of embryos. Homeobox genes are genes that specify the identity of body segments during early embryonic development. These genes encode transcription factors, which regulate the expression of other genes during development.
Homeobox genes contain a conserved DNA sequence called the homeobox, which encodes a DNA-binding domain that binds to specific DNA sequences in regulatory regions of target genes. Mutations in these regions can lead to increased or decreased expression levels, which can lead to adverse phenotypes.
Mutations in homeobox genes can lead to developmental defects and abnormal phenotypes. Regions of a homeobox gene that are likely to be extra sensitive to mutations that result in adverse phenotypes are those that encode the homeodomain. The homeodomain is a highly conserved region of about 60 amino acids that contains the DNA-binding domain.
Mutations in this region can lead to loss of function or gain of function, depending on the specific mutation. The homeodomain interacts with specific DNA sequences in target genes, and mutations in the homeodomain can affect the specificity and affinity of the DNA-binding interaction. This can lead to the misregulation of downstream target genes, resulting in developmental defects and abnormal phenotypes.
Thus, the homeodomain is a critical region of the homeobox gene that is extra sensitive to mutations that can result in adverse phenotypes.
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A particular antigen is known to have 6 different antigenic determination sites (epitopes).Theoretically, this antigen can stimulate the production ofdifferent types of antibodies:A) 1B) 6C) 100D) Many, many different types
Answers
Explain the advantage of an increase in the number of mitochondria in slow twitch fibres. Include at least 2 points in your response
Answers
Answer:
To produce more ATP molecules.
Explanation:
The advantage of an increase in the number of mitochondria in slow twitch fibers is to provide more ATP is provided to the muscles. These large number of mitochondria is responsible for the production of large amount of ATP which is a fuel that is used by the muscles of the boy in order to continue working. There is high burden on the slow twitch fibres in order to continue its movement, more mitochondria is needed.
What are the three types of blood vessels. give one imp features of each.
Answers
Answer:
Each type of blood vessel serves a different function:
Explanation:
Arteries: These strong, muscular blood vessels carry oxygen-rich blood from your heart to your body.
Arterioles: Arteries branch into smaller vessels called arterioles.
Capillaries: These tiny blood vessels have thin walls.
Three types of blood vessels In human circulatory system are , Arteries , Veins, capillaries .
- features of arteries : they carry oxygenated blood from the heart through various parts of the body .
- features of Veins : Veins carry the deoxygenated blood .
- features of capillaries : they are thin valves an extremely narrow tubes which connect arteries to veins .
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How might the Earth's surface change because a volcano erupts?
Answers
what is the force of an object that needs a force 4500N to accelerate it at a rate of 5 m/s
Answers
Answer:
The question is somehow not correct, it suppose to be what is the MASS of an object that needs a force 4500N to accelerate it at a rate of 5 m/s as gotten from another website.
The correct answer is 900kg.
Explanation:
To get the mass of the object use the formula
F=Ma
Where F is force
M is mass
a is acceleration.
F= 4500, M=? a=5m/s
4500= M× 5
M=4500/5
M=900kg
Mass is in kg
what is the role of the nervous system in digestion?
A) to provide oxygen
B) to provide electrical signals to initiate peristalsis
C) to provide passage of nutrients throughout the body
D) to provide enzymes
Answers
Answer:
answer is C
well i think it is from process of elimination
Use the U.S. map of consumptive water use to complete this assignment.
Map:
U.S. Map: Water Use in the United States
Part 1:
Identify your home state in each of the eight categories of water usage. Record the range of water used per categories to get a total amount.
Write a 2–3 paragraph report of at least 225 words on the factors that you believe contribute to the different category values for your home state.
Part 2:
Explain how much risk you think your area has for water scarcity.
Assignment Guidelines:
Follows a logical flow of ideas and is completed with correct conventions of grammar
Presents realistic ideas on the factors that may contribute to water withdrawal and consumption and backs up ideas with supporting examples or arguments
Correctly explains the area's risk for water scarcity
Submission Requirements:
A 2–3 paragraph report of at least 225 words
When submitting written assignments please remember to:
Submit the assignment question(s) and your responses.
Proof-read for spelling, grammar, and punctuation.
Remember complete sentence structure.
Paragraphs need to have minimum of six sentences
[state is oklahoma]
Answers
People cannot access enough water to consume, bathe, or feed crops when there is a water shortage, which may result in economic loss. Additionally, poor sanitation, which affects 2.4 billion people, can result in cholera, typhoid fever, and other water-borne infections, including those that are fatal.
Why is there a high danger of water scarcity in countries?The infrastructure and water resources of many nations are unable to keep up with the rising demand as the world's population rises and resource-intensive economic development continues. Water shortage is getting worse due to climate change. The effects of a changing climate are increasing the unpredictability of water.
Water stress is a term used to describe regions of the UK that experience significant water shortages.
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What does chlorophyll absorb during photosynthesis?
Answers
my guesses is that its light.
1. Calculate the volume of a stone using the displacement method. The initial volume of the water in the graduated cylinder is 20 mL. When the stone was dropped in the cylinder, the water level rose to 25 mL.
5 mL
10 mL
15 mL
20 mL
2. Calculate the density of the stone in number question #1 if its mass is 20 g.
4 g / mL
5 g / mL
2 g / mL
6 g / mL
Answers
1. 5ml
The answer for the second question is
2. 4g/ml
Therefore the volume of the stone is 5ml and the density is 4mg/ml.
What is Displacement Method ?The displacement method can be used to accurately measure the volume of the human body and other oddly shaped objects by measuring the volume of fluid displaced when the object is submerged.
It is given in the question that the initial volume of the water in the graduated cylinder is 20 mL.
When the stone was dropped in the cylinder, the water level rose to 25 mL.
The volume of the stone has to be calculated using the displacement method.
The volume displaced by the stone is 25-20 ml
= 5 ml
Therefore the volume of the stone is 5ml.
The density of any substance can be calculated by dividing its mass with its volume.
Mass given is 20g and the volume of the stone is 5ml
Therefore density = 20/5 = 4 gm/ml
Therefore Option A is the correct answer.
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Energy transformations result in
a.) a loss of energy
b.) a gain of energy
c.) a loss or gain in energy depending on the situation
d.) no loss or gain in energy
Answers
Answer:
c
Explanation:
depends on what you are transforming it into
Which statement about the relationship between an organism’s traits and genes is true?
Answers
Answer:
Genes code for proteins that determine an organism's traits.
Explanation:
Geneis the basic physical and functional unit of heredity.Some genes act as instructions to make molecules called proteinsDNA contains the genetic information necessary for the structure and function of living beings.Chromosomes are composed of a DNA molecule, whose segments form the genes that contain specific base sequences to determine a trait.
which adaptation do ferns, gymnosperms, and angiosperms have that mosses do not have?
Answers
Answer:
pollen and seeds
The adaptation do ferns, gymnosperms, and angiosperms have that mosses do not have they have seeds and pollen for reproduction.
What do mosses not have?Mosses make up the majority of bryophytic plants. They are small plants with a simple structure, they do not have conducting vessels, flowers and seeds.
Ferns have a vascular system that transports food, water and minerals to the upper parts through hair-like roots. Mosses do not have true roots or a vascular system. Instead, they absorb water and minerals from the soil where they grow.
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______ results in genetically identical daughter cells, whereas ______ results in genetically different daughter cells.
Answers
Identical daughter cells are produced as a result of mitosis whereas meiosis results in the formation of the daughter cells which are different genetically.
Mitosis and Meiosis are the stages of the cell cycle which can be further divided into stages called prophase, metaphase, anaphase and telophase. Mitosis results in the formation of two diploid daughter cells which genetically identical to the initial parent cell.
In the process of meiosis, the DNA gets exchanged between the chromosomes that are paired. This shuffling of DNA results in the formation of daughter cells after cell division which are genetically dissimilar.
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What statement is an example of a scientific law?A. All living things are made of microscopic ceils.B. There are no attractive or repulsive forces between gas molecules.C. Energy is neither created nor destroyed, which can be mathematically shown.D. Germs cause disease in living organisms.
Answers
Scientific Laws are used to describe phenomena found in nature, being demonstrable by mathematical equations and therorys of how the determinated event happens. Between the statements in the question the one that can be called an example of a scientific law is the one about energy conservation (C), that says: energy is neither created nor destroyed, which can be mathematically show.
which of the folowing membrane-bound organees conatins sevreal oxidases that are invoved in the oxidation of fatty acids and amino acids during normaletablism and in detoxification of chemicals such as alcohol in the liver
Answers
Answer:
peroxisomes
Explanation:
Lipid metabolism and chemical detoxification are important functions of peroxisomes. Peroxisomes are responsible for oxidation reactions that break down fatty acids and amino acids.
Determine the rate of water loss at 12:00.
Use the tangent on the graph above (attatched).
Give your answer in:
- cm^3 per minute
- standard form.
Answers
The rate of water loss at 12:00 is 0.0952 cm³/minute. In standard form, the answer is 9.52 × 10⁻² cm³/minute.
How to determine rate of water loss?The tangent on the graph intersects the y-axis at 190 cm³. The slope of the tangent is 0.0952 cm³/minute. Therefore, the rate of water loss at 12:00 is 0.0952 cm³/minute. In standard form, the answer is 9.52 × 10⁻² cm³/minute.
To determine the rate of water loss at 12:00:
Find the intersection of the tangent with the y-axis. This will give you the amount of water loss at 12:00.
Find the slope of the tangent. This will give you the rate of water loss at 12:00.
Convert the rate of water loss from cm³/hour to cm³/minute by dividing by 60.
Express the answer in standard form by moving the decimal point two places to the left.
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Crustaceans larvae is developed into an adult by..
Answers
According to the research, the correct answer is metamorphosis. Crustaceans larvae are developed into an adult by metamorphosis process.
What is Crustaceans larvae?
It is when the Crustacean is just a fraction of what the lobster or shrimp will be and is characterized by presenting only three pairs of appendages that function as swimming appendages.
In this sense, they are decapods but like other groups of arthropods, during their life cycle they change their appearance and require a process of metamorphosis through various molts or ecdysis processes that give rise to other forms or larvae to reach the adult state.
Therefore, we can conclude that according to the research, the majority of Crustaceans larvae present indirect development, whereby larvae emerge from the eggs developed into an adult by metamorphosis process.
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Can you explain why int he end the burning paper lifted off?
Answers
Answer:
Combustion.
Explanation:
For example, when paper is burned oxygen from the air combines with carbon and hydrogen in the paper turning some of it into carbon dioxide and water vapor, which waft away with carbon particulates in the smoke.
Exocytosis Endocytosis Both Also called "cellular drinking" Cells expelling materials in vesicles Involves the capture of fluids Also called "cellular eating" When particles considerably larger than biomolecules are ingested When receptor proteins recognize specific surface characteristics of substances to be incorporated into the cell Used by cells to eject waste material into the outside environment Pinocytosis Phagocytosis Uses vesicles
Answers
Both Exocytosis and Endocytosis involve the use of vesicles by cells. Endocytosis, which is also called "cellular eating", is used by cells to capture fluids and particles that are considerably larger than biomolecules through the recognition of specific surface characteristics of substances by receptor proteins. This process involves the formation of vesicles that engulf the ingested material.
What is pinocytosis?
Pinocytosis is a type of Endocytosis that specifically refers to the capture of fluids. Phagocytosis, on the other hand, is a type of Endocytosis that refers to the ingestion of solid particles. Exocytosis, which is also called "cellular drinking", is used by cells to expel waste materials or substances that they no longer need into the outside environment through the use of vesicles.
What are exocytosis and endocytosis?
Exocytosis: This is a process where cells expel materials in vesicles. It is used by cells to eject waste material into the outside environment. Vesicles are small membrane-bound sacs that transport substances within the cell or to the outside.
Endocytosis: This process involves the capture of fluids and substances by cells. It occurs in two main forms: pinocytosis (also called "cellular drinking") and phagocytosis (also called "cellular eating"). Both forms use vesicles to incorporate substances into the cell.
In summary, both exocytosis and endocytosis (including pinocytosis and phagocytosis) involve the use of vesicles to transport substances in and out of the cell. Receptor proteins play a crucial role in recognizing specific substances for endocytosis.
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20)
When classifying organisms into the six kingdoms, a researcher can categorize species into eubacteria (true bacteria),
archaebacteria (extremophiles), protists, fungi, plants, or animals. The researcher has a single-celled organism that is found to have
a true nucleus. When comparing the groups based on their characteristics, into which group(s) could the single-celled organism
with a nucleus be categorized?
19
A)
Animals only
:02
Eliminate
B)
Protists only
Fungi or protist
D)
True bacteria only
Answers
The single-celled organism with a nucleus can be categorized into FUNGI OR PROTIST
Living organisms has been classified into six kingdoms namely: Animalia, Plantae, Fungi, Protista, Monera and Archaebacteria. Among these kingdoms, kingdoms Animalia, Plantae, Fungi, and Protista are all EUKARYOTIC. This means that they possess a true nucleus in their cells. However, characteristically, among the eukaryotic kingdoms we have, only kingdoms FUNGI and PROTISA contain members that are single-celled.Hence, a single-celled organism with a nucleus can be categorized into FUNGI OR PROTIST
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In the endocrine system, which hormones affect the cardiovascular system by increasing heart rate and force of contractions?
a. epinephrine and norepinephrine
b. aldosterone and ANP cornea
c. aldosterone and antidiuretic hormone
d. antidiuretic hormone and epinephrine
Answers
In the endocrine system, epinephrine and norepinephrine hormones affect the cardiovascular system by increasing heart rate and force of contractions (A)
Epinephrine and norepinephrine are hormones released from the adrenal medulla in response to stress. These hormones stimulate the sympathetic nervous system, which increases heart rate and force of contractions. (A)
This is done by stimulating the release of calcium from the sarcoplasmic reticulum of the myocardium, increasing the force of cardiac muscle contraction.
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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:
Que semejanzas y diferencias tiene el microscopio y el de Robert hooke
Answers
Answer:
- Microscopio de Robert Hooke: Aumento de 30X; monocular; con soporte rudimentario; enfoque de objetos transparentes y opacos
- Microscopio óptico actual: más sofisticado, binocular; compuesto por tres sistemas: sistema mecánico, sistema óptico (hasta 1.500 aumentos 1500 X), y sistema de iluminación.
Explanation:
El microscopio óptico fue el primer microscopio y marcó una nueva era en la biología y la medicina, siendo fundamental para la observación de estructuras celulares y subcelulares, lo cual permitió el desarrollo de diversas teorías tales como, por ejemplo, la teoría celular. La característica más importante compartida por los microscopios ópticos es el uso de la luz visible para visualizar las muestras. Los microscopios ópticos rudimentarios fueron popularizados en el siglo XVII, a partir del uso de Galileo Galilei. Posteriormente, en 1665, el científico inglés Robert Hooke usó su microscopio mejorado para observar muestras biológicas. El microscopio de Hooke era monocular y aumentaba la imagen 30 veces (30X), tenía un mejor soporte que los microscopios anteriores más rudimentarios, y podía enfocar tanto objetos transparentes como opacos. Actualmente, los microscopios ópticos están compuestos por tres sistemas: 1-sistema mecánico compuesto por piezas (es decir, una base, platina y brazo) donde están insertadas las lentes, un 2-sistema óptico compuesto por diferentes lentes conocidas como lentes oculares (microscopios binoculares) y lentes objetivos, las cuales permiten el aumento de las imágenes hasta 1.500 (1500X, con uso de aceite de inmersión), y 3-un sistema de iluminación para reflejar, transmitir y regular la intensidad de la luz.
• In your own words, discuss the role of each of the following structures in the whole process: cell membrane, vesicles (at two points in the process), ribosomes, Golgi apparatus, and endoplasmic reticulum
Answers
Answer:
1:to allow movement of small molecules in and out of cell
2
Help please i will give you brain list
Answers
Answer:
The two main properties of sound are frequency and amplitude. Frequency of sound waves is responsible for determining the pitch of sound. Amplitude however, will determine its loudness. Your sound quality is always affected by the loudness and pitch.
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Describe and distinguish between the sources of energy utilised by the brain and heart under well-fed and starvation conditions.
Answers
Answer:
Brain ----- glucose and amino acids.
Heart ------- fatty acids and triglycerides.
Explanation:
The sources of energy utilized by the brain is glucose under well-fed whereas the sources of energy utilized by the heart under well-fed condition is fatty acids. During starvation, the source of energy used by the brain is amino acids from skeletal proteins when glucose is not available while on the other hand, during starvation, the heart utilized triglycerides as a source of energy in the absence of fatty acids.