he most critical physiological factor controlling hunger is the
Answers
The most critical physiological factor controlling hunger is the hypothalamus, a region in the brain responsible for regulating various bodily functions, including appetite.
The hypothalamus contains two primary groups of cells called the arcuate nucleus (ARC), which includes orexigenic (appetite-stimulating) and anorexigenic (appetite-suppressing) neurons. These neurons communicate with each other and other parts of the brain to balance energy intake and expenditure.
Hunger signals are regulated by various hormones, such as ghrelin, leptin, and insulin. Ghrelin, often referred to as the "hunger hormone," is released primarily by the stomach when it is empty, signaling the hypothalamus to stimulate hunger. Conversely, leptin is produced by fat cells and acts as an appetite suppressant.
As fat stores increase, more leptin is released, sending a signal to the hypothalamus to reduce food intake. Insulin, produced by the pancreas, is released in response to elevated blood sugar levels and also works to suppress hunger.
These hormones and the hypothalamus work together in a feedback loop to maintain energy balance within the body. When energy stores are low, hunger is stimulated, prompting individuals to consume more food.
As energy intake increases and blood sugar levels rise, hunger signals decrease, and individuals feel satisfied. By constantly monitoring and adjusting to these physiological cues, the hypothalamus effectively controls hunger and ensures that the body maintains a healthy energy balance.
to know more about hypothalamus refer here:
https://brainly.com/question/29699760#
#SPJ11
Related Questions
is vinegar a solution?
Answers
The epiglottis acts as another set of vocal folds. You can vibrate it to make sound. True or False
Answers
The statement "The epiglottis acts as another set of vocal folds. You can vibrate it to make sound" is FALSE.
The epiglottis does not act as another set of vocal folds and cannot be vibrated to produce sound. The epiglottis is a flap-like structure located at the base of the tongue, above the larynx. Its main function is to prevent food and liquids from entering the airway during swallowing. When we swallow, the epiglottis folds over the opening of the larynx, directing the food or liquid towards the esophagus.
Sound production, on the other hand, involves the vocal folds within the larynx. The vocal folds, also known as vocal cords, are two folds of mucous membrane that can vibrate and produce sound when air passes through them. These vibrations are then shaped and modulated by other structures in the throat, mouth, and nasal cavity to produce speech and various vocal sounds.
Therefore, the epiglottis is not involved in sound production, and it does not contribute to creating vibrations for making sound. Its role is solely focused on protecting the airway during swallowing.
To know more about Epiglottis here:
https://brainly.com/question/13252472
#SPJ11
2. What molecules are involved in carbon cycle?
Answers
Answer- The main elements involved in carbon cycle are carbon oxygen and Hydrogen and these make up tw reactants and products of both photosynthesis and cellular respiration reaction
Explanation- hope u like it
8. Name three things that form during the cell cycle.
Answers
Answer:
Hair, Blood Cells, and Skin
WHAT WOULD HAPPEN IF WE STOPPED
MONITORING HOW MUCH NON-
RENEWABLE RESOURCES WE USE
Answers
Science
If we don't track the usage of important non-renewable resources, the certain non-renewable recourse would cease to exist.
This could affect the world tremendously, and everyone could die, as well.
A force of 10,000 N is applied to a wall that does not move. How much work is performed?
Answers
Answer:
W= F×d
F = 10,000 N
d = 0 m ----> W= 10,000 × 0 = 0 j
how do properties of amino acids affect the function of proteins? amino acids vary in the structure of their amine and carboxyl groups, and interactions among these functional groups affect protein folding and function. amino acids vary in how much adenine, cytosine, thymine, and guanine are present, and these differences affect the protein folding that determines protein function. amino acid side chains link individual amino acids to form linear protein molecules, allowing amine and carboxyl groups to determine protein shape and function. amino acid side chains have active and inactive forms, and the pattern of active and inactive side chains determines how the protein folds and functions. amino acids vary in their chemical side chains, and interactions among side chains affect the protein folding that determines protein shape and function.
Answers
As the chemical characteristics of each amino acid are forces that result in intermolecular interactions, the amino acid sequence of a protein influences the shape of the protein.
What impact do amino acids have on proteins?Proteins are created when peptide bonds join the amino acids. The protein is then folded into precise three-dimensional structures as a result of the forces of other amino acids and the effects of their R-groups.
How is the protein created when the amino acids are changed?However, a change at some locations, such as conserved residues, might affect both the protein's structure and function.
To know more about amino acid visit:-
https://brainly.com/question/30779255
#SPJ1
among the biological influences on learning, drift is the tendency of animals to revert to natural behaviors that interfere with learning.
A. true
B. false
Answers
True. the biological influences on learning, drift is the tendency of animals to revert to natural behaviors that interfere with learning.
Instinctual drift is the tendency of some trained animals to revert again to instinctual behaviors. In other phrases, they will behave according to evolutionary contingencies, as opposed to the operant contingencies in their training. these behaviors are frequently needless, and rarely useful.
Instinctual drift, alternately called instinctual float, is the tendency of an animal to revert to unconscious and automated behavior that interferes with learned behavior from operant conditioning.
Operant conditioning, additionally called instrumental conditioning, is a form of associative getting to know in which the effects of behavior change the possibility of the conduct's incidence. fine reinforcement is reinforcing a stimulus following a behavior so that the conduct is much more likely to arise again.
Learn more about Instinctual drift here:-https://brainly.com/question/14719562
#SPJ1
Q1.
At high pH values the active site of the enzyme pepsin changes shape.
When the active site of the enzyme changes shape, the enzyme is
A specific
B. denatured
C digested
D dead
Answers
Answer:
denatured
Explanation:
Each enzyme works best at their own pH, so at high pH the enzyme is said to be denatured, changing shape. The substrate is no longer able to bind to the active site.
An object with a mass of 12.59 grams was immersed in water in a graduated cylinder. The volume of the water before was 56.7 mL. After the object was placed in the water, the volume read 63.0 mL. If density = mass/volume, calculate the density of the object to the correct sig figs.
Answers
Answer:
\(\boxed {\boxed {\sf \rho \approx 2.00 \ g /mL}}\)
Explanation:
The density is the mass per unit volume. It is calculated using the following formula.
\(\rho = \frac{m}{v}\)
The mass of the object is 12.59 grams.
The volume was found using water displacement. A known quantity of water was placed in a graduated cylinder (56.7 mL), then the object was added and the water level was recorded again (63.0 mL)The volume of the object is the difference between the initial water volume and the final water volume.
v= final water volume - initial water volume v= 63.0 mL - 56.7 mL v= 6.3 mLNow we know the mass and volume of the object and we can substitute the values into the formula.
\(\rho = \frac{12.59 \ g }{6.3 \ mL}\)
Divide.
\(\rho = 1.998412698 \ g/mL\)
The original measurements have 4 and 3 significant figures. We always round our answer to the least number of sig figs, which is 3. For the number we found, that is the hundredth place. The 8 in the thousandth place tells us to round the 9 up to a 0 (hundredth place), then the 9 up to a 0 (tenth place), and the 1 up to a 2 (ones place).
\(\rho \approx 2.00 \ g/mL\)
The density of the object is approximately 2.00 grams per milliliter.
what gift did dr paricia get her mother
Answers
Select the term most closely associated with the statement: Protozoans living in the intestine of a termite secrete
enzymes that digest cellulose, providing digestive end products of value to both organisms.
A
mutualism
B
commensalism
с
parasitism
D
Saprophytism
E
Competition
Answers
Answer:
A. mutualism
Explanation:
because what is secreted by the termite is beneficial for both
The study of
_____ is called genetics.
b. dominance
a. heredity
c. mutations
d. pea plants
Answers
Answer:
Heredity
Explanation:
It is Heredity because the word genetics means the study of Heredity.
Which level of classification includes the most species
Answers
Answer:
Domain is the highest level of classification.
Answer: Domain
Explanation:
true or false: the thinner peptidoglycan layer of gram-positive bacteria allows the crystal-violet-iodine complex to leave the cell.
Answers
The given statement "the thinner peptidoglycan layer of gram-positive bacteria allows the crystal-violet-iodine complex to leave the cell." is True.
Peptidoglycan is a protein-carbohydrate molecule that is an important component of bacterial cell walls. It aids in the cell's protection and shapes and maintains it. The crystal violet-iodine (CVI) complex is used in Gram stain tests to detect bacterial cell walls. The Gram stain is a laboratory technique used to differentiate bacterial species into two groups based on their cell wall composition.
The crystal violet-iodine (CVI) complex stains both gram-positive and gram-negative bacteria during the initial staining step. The cell wall of gram-positive bacteria contains a thick layer of peptidoglycan, which traps the crystal violet-iodine complex inside the cell during the staining process.
However, the thinner peptidoglycan layer in the cell wall of gram-positive bacteria allows the crystal-violet-iodine complex to leave the cell, making it unable to retain the dye when rinsed with alcohol during the decolorizing step. As a result, gram-positive bacteria appear purple under the microscope.
For more such questions on Peptidoglycan.
https://brainly.com/question/13022097#
#SPJ11
a(an) _____ is a chemically unstable substance that can damage vulnerable molecules, such as dna.
Answers
A free radical is a chemically unstable substance that can damage vulnerable molecules, such as DNA. Free radicals are highly reactive chemical species that contain unpaired electrons. This makes them very unstable, and they will react quickly with other molecules in an attempt to stabilize themselves.
Free radicals can be generated in the body as a byproduct of normal metabolic processes, but they can also be produced by exposure to environmental factors such as radiation, pollution, and cigarette smoke. When free radicals react with other molecules, they can cause damage to important cellular components like DNA, proteins, and cell membranes. This damage can contribute to aging, disease, and cancer. Antioxidants are compounds that can neutralize free radicals and prevent or repair this damage.
To learn more about free radical click here : brainly.com/question/30045386
#SPJ11
When you flush a toliet in the
North Hemisphere in which
direction does it move?Why?
Answers
Answer:
counterclockwise
Explanation:
Why because of the Coriolis effect
(ii) Describe the stages used in the laboratory to clone and produce Tegon from the genetically
engineered cell.
Answers
Answer:
Explanation:
A small piece of circular DNA called a plasmid is extracted from the bacteria or yeast cell.A small section is then cut out of the circular plasmid by restriction enzymes, ‘molecular scissors’.The gene for human insulin is inserted into the gap in the plasmid. This plasmid is now genetically modified.The genetically modified plasmid is introduced into a new bacteria or yeast cell.This cell then divides rapidly and starts making insulin.To create large amounts of the cells, the genetically modified bacteria or yeast are grown in large fermentation vessels that contain all the nutrients they need. The more the cells divide, the more insulin is produced.When fermentation is complete, the mixture is filtered to release the insulin.The insulin is then purified and packaged into bottles and insulin pens for distribution to patients with diabetes.The DNA of an animal's somatic cell is transferred into an egg cell that has had its nucleus and DNA removed in order to create a clone. With the same genes as the cell donor, the egg develops into an embryo. The embryo is then placed inside the uterus of an adult female to develop.
What is DNA ?A polymer made of two polynucleotide chains that coil around one another to form a double helix is called deoxyribonucleic acid. All known organisms and many viruses have genetic information in the polymer that is necessary for their development, operation, growth, and reproduction. Nucleic acids include DNA and ribonucleic acid.
The process of genetic engineering consists of three main phases. These include (1) isolating DNA fragments from a donor organism, (2) integrating an isolated donor DNA fragment into the genome of the vector, and (3) allowing the recombinant vector to develop in the proper host.
Selection, mutagenesis, conjugation, and protoplasm fusion are examples of conventional genetic modification techniques that have been used, particularly for microbial starter cultures. The latter is comparable to somatic hybridization in plant systems.
Thus, The DNA of an animal's somatic cell is transferred into an egg cell that has had its nucleus and DNA removed in order to create a clone.
To learn more about DNA, follow the link;
https://brainly.com/question/264225
#SPJ2
The hiv-1/2 ag/ab immunoassay test identifies the __________ and antibodies that may be present in the blood as early as__________ post exposure.
Answers
The hiv-1/2 ag/ab immunoassay test identifies the P24 antigen and antibodies that may be present in the blood as early as 13 days post exposure .
What is hiv-1/2 ag/ab immunoassay test ?It is a rapid point care test .hiv-1/2 ag/ab is a solid phase enzyme -linked immunosorbent assay for the qualitative detection of HIV-1 ( P24 antigen) , anti-HIV-1 including subtype O, and anti-HIV-2 antibodies ( including isotype IgG, IgM ,IgA ) in human serum or plasma.
It is the latest generation for the simultaneous detection of the presence of anti -HIV antibodies and HIV antigens . it also helps in the differentiation of HIV-1 from HIV-2 infection .
HIV-1 was discovered first and is more prevalent worldwide , while HIV-2 is less pathogenic and is mostly confined to west africa.
What is P24 antigen ?P24 antigen is the indication of HIV positive .when you do your hiv test then if it found in blood then your body infected by HIV .P24 is produced 2-3 weeks after infection and before antibodies are produced .
P24 levels are only detectable for the next 1-2 months. P24 levels typically peak just after the onset of ARS symptoms at 2-3 weeks after infection .
Learn more about HIV here :
brainly.com/question/1686219
#SPJ4
what is the prediction of the outcome.genetic crosses between various organisms
Answers
Answer:
The results of genetic crosses can be predicted using a chart called a Punnett square. In a Punnett square, the possible male and female gametes of each parent are written across the side and top of the square. The interior squares represent every possible combination of gametes that could combine to form a zygote.
Explanation:
To fill in the square, look at the alleles of the games on the outside edges and bring them across and down to fill in the center of the square. If the offspring is heterozygous, we will write the capital letter in front of the lower case letter.
In the example below T=tall plants and t= short.
The cross between AaBb X aabb yielded the following results:
a. AB 12.6%
b. ab 11.9%
c. Ab 37.4%
d. aB 38.1%
Answers
Option 1) .AB//ab is the genotype of the heterozygous individual in P1 Parent AaBb x aabb. An organism's genotype is made up of all of its genetic components.
So heterozygous parent is AaBb and second parent is homozygous recessive aabb.
b. Map distance between A and B gene = total number of recombinat / total number of individual x 100
AB and ab are parental whereas Ab and aB are recombinant.
Map distance between A and B gene = ( Ab + aB )/(AB +ab +Ab +aB) x 100
= (37.4+38.1)/(12.6+11.9+37.4+38.1) x 100
= 75.5/ 100x 100= 75.5 map unit
so these genes are not linked
An organism's genotype is made up of all of its genetic components. The term "genotype" can also be used to describe the alleles or genetic variations that a person possesses in a certain gene or genetic region.
The ploidy, or number of copies of each chromosome, found in that species, determines how many alleles a person can have for a given gene. Due to the presence of two complete sets of chromosomes in diploid animals like humans, each person has two alleles for each gene.
Learn more about genotype
https://brainly.com/question/12116830
#SPJ4
Full Question : The Cross Between AaBb X Aabb Yielded The Following Results: AB 12.6% Ab 11.9% Ab 37.4% AB 38.1% What Is The Genotype Of The Heterozygous Individual In P1? These Are The Answer Choices: AB//Ab Ab//Ab AA//Bb Aa//BB Ab//AB Question 2: What Is The Map Distance Between The Two Loci?
The cross between AaBb X aabb yielded the following results:
AB 12.6%ab 11.9%Ab 37.4%aB 38.1%What is the genotype of the heterozygous individual in P1? these are the answer choices:
AB//ab
Ab//Ab
AA//bb
aa//BB
Ab//aB
What is an enzyme?
a cell that stores the information for building
proteins
a molecule that initiates processes in the
body
a protein that breaks down into nitrogen-
based amino acids
Answers
Answer:
The last choice.
Explanation:
An enzyme is a protein that breaks down into nitrogen- based amino acids.
YEAST LAB !13points
1. What gas is slowly filling up the balloons?
2. Would that gas be a product or a reactant?
3. This reaction uses Yeast and Sugar as the reactants but no oxygen. What type of chemical reaction is this?
Answers
A very similar process happens as bread rises. Carbon dioxide from yeast fills thousands of balloonlike bubbles in the dough. Once the bread has baked, this is what gives the loaf its airy texture.
What weather conditions would exist in El Paso based on the weather map seen here?
A)
cold temperatures, sunny skies.
B)
cold temperatures, cloudy skies
warm temperatures, very cloudy, and heavy rain.
D)
warm temperatures, increasing clouds, and showers.
Answers
Answer: b
Explanation: i need the points
Answer:
D, warm temperatures, increasing clouds, and showers
Explanation:
I answered D and it was correct.
Please help meeeeeeeeeeeewwwww
Answers
Answer:
ok
Explanation:
yes
Answer:
i dont know
Explanation:
please help asap thank you !!!
Answers
Answer:
Contour interval = 200
Explanation:
Seafloor spreading happens mostly under the sea except in
Answers
Part One (12 points, 2 points each)
Write a short summary in your own words about each of these animals. The first four are whale ancestors, and the last two are modern whales. Note any major changes or adaptations, or interesting information from the fossil record. Each summary should be three to five sentences. You may research this information using reliable journals, books, or websites. You can review reliable sources if needed. Be sure to note any sources you use.
• Pakicetus
• Ambulocetus
• Rodhocetus
• Dorudon
• Odontocetes
• Mysticetes
Answers
Based on the information given, it should be noted that pakicetus refers to an extinct genus of the amphibious cetacean.
Summary of the animals.Ambulocetus: This is a genus of the early amphibious cetacean that came from the Kuldana Formation in Pakistan.
Rodhocetus: This is an extinct genus of the protocetid early whale that was known from the Lutetian of Pakistan.
Dorudon: This is a genus of the extinct ancient whales that lives 49 million years ago.
Odontocetes: It should be noted that the toothed whales are a part order of cetaceans which include porpoises, dolphins, etc.
Mysticetes: This is also known as Baleen whale. It's also known as whalebone whales and it's a parvorder of carnivorous marine mammals.
Learn more about whales on:
https://brainly.com/question/1589456
About how long ago did our solar system start to form?
About 5 million years ago
About 14 million years ago
About 5 billion years ago
About 14 billion years ago
Answers
Answer:
About 5 billion years ago
Sorry:
Sorry this is so late.
Answer:
C. 5 billion years ago
Explanation:
The real answer is about 4.6 billion years ago but that rounds up to 5 billion years.
Please:
May I please have Brainliest?
25 points, please I need an answer.
Stimulants are also called what?
A. Downers
B. Uppers
C. Date **** drugs
D. Yellow jackets