What senses O2 levels and gives a strong response when O2 drops too low?
Answers
The carotid bodies, located in the carotid arteries, are the primary structures responsible for sensing O2 levels in the blood. They give a strong response when O2 levels drop too low, stimulating the respiratory center in the brainstem to increase the breathing rate and depth, helping to restore normal oxygen levels.
The body senses O2 levels primarily through chemoreceptors located in the carotid bodies and aortic bodies. These chemoreceptors detect changes in the levels of oxygen, carbon dioxide, and pH in the blood. When O2 levels drop too low, the chemoreceptors send a strong signal to the respiratory centers in the brain, which increases the rate and depth of breathing in order to bring more oxygen into the body.
This process is known as hyperventilation and is a crucial response to low oxygen levels, helping to maintain the body's oxygen supply and prevent tissue damage. So, the long answer is that chemoreceptors in the carotid and aortic bodies sense changes in oxygen levels and trigger a strong response to increase breathing rate and depth in order to bring more oxygen into the body.
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EXPLAIN HOW A DEER TICK COULD INFECT YOU WITHOUT YOU REALIZING IT
Answers
Answer:
Because ticks stay attached to hosts, blood feeding for several days, they secrete novel pain killers, called kininases, in their saliva which help them go unnoticed. If you have been bitten previously, you may notice a small red bite mark, which can be itchy.
Explanation:
Answer:
The deer tick is tiny, no larger than a pencil point.
Explanation:
Most tick bites are harmless and don't need medical treatment. But some ticks (like the deer tick, wood tick, and others) can carry harmful germs that cause diseases like Rocky Mountain spotted fever and Lyme disease. The deer tick is tiny, no larger than a pencil point. Which mean it could bite you without you realizing it.
Mammals who have very short development period Inside their mothers body, followed by a second development period Inside a special pouch of the mother that is made of skin and hair are ____.
•monotremes
•placental
•marsupials
•amphibians
Answers
How have scientist use bio technology to improve the production of insulin for diabetics?
A. Directly delivering insulin into the cells of diabetics.
B. Inserting functional genes into diabetics to help them produce insulin.
C. Developing artificial insulin that can be produced in a lab.
D. Inserting the human gene of insulin into bacteria.
Answers
Scientists have effectively utilized biotechnology to enhance the production of insulin for diabetics. By inserting the human gene of insulin into bacteria.
The correct answer is option D.
Insulin is a hormone produced by the pancreas that regulates glucose levels in the body. Individuals with diabetes either do not produce enough insulin or cannot effectively utilize it. Biotechnology has revolutionized the production of insulin by introducing recombinant DNA technology.
The process involves inserting the human gene responsible for producing insulin into bacteria, such as Escherichia coli. These bacteria act as "factories" for insulin production. The human insulin gene is inserted into the bacterial DNA, allowing the bacteria to synthesize insulin that is identical to human insulin.
The procedure begins by isolating the human gene for insulin and inserting it into a plasmid, a small circular DNA molecule. The plasmid is then transferred into the bacteria, which replicate and express the insulin gene, resulting in the production of insulin molecules. The bacteria can be cultured on a large scale, providing a continuous supply of insulin.
This biotechnological approach has several advantages. First, it allows for the production of large quantities of insulin in a cost-effective manner. Second, the recombinant insulin produced is identical to human insulin, reducing the risk of adverse reactions in diabetic patients. Third, the process can be optimized and controlled, ensuring consistent and reliable insulin production.
This breakthrough in biotechnology has significantly improved the availability and accessibility of insulin for diabetics worldwide. It has reduced dependence on animal sources for insulin production, eliminated shortages, and provided a safer and more efficient means of insulin supply.
In summary, scientists have utilized biotechnology by inserting the human insulin gene into bacteria, enabling them to produce large quantities of identical insulin molecules. This approach has revolutionized insulin production, ensuring a steady supply of insulin for diabetics and improving their overall management of the condition.
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Sydnl wanted to photograph a full moon on January 1, but the night was
too cloudy. When will Sydnl be able to see the next full moon?
Answers
Answer:
27.33 days, or february 1st
Explanation:
the moon takes 27.33 days to rotate around earth
Prokaryotes like most living organisms need movement to locate food and to survive if a prokaryotes needed to move to a new food source which structures would it use for locomotion
Answers
Answer:
may be flagella, pili or amoeboid movement
Answer:
Flagellum
Explanation:
Hope this helps :)
How is wind speed and direction related to air temperature
Answers
Can someone help me? :)
Answers
A cell that is metabolic active but not actively dividing is considered to be in which phase of the cell cycle?.
Answers
Answer:
So the correct answer is 'G0 phase'.
Explanation:
A cell that is metabolic active but not actively dividing is considered to be in which phase of the cell cycle?.
G0 phase
Where did the plant get the energy it needs to grow? What materials are needed for
growth and where did they come from?
Answers
Answer:
It's simple really—plants get the materials they need to grow cheifly from air and water! Sunlight provides the energy plants need to convert water and carbon dioxide (CO2), a major component in air, to carbohydrates, such as sugars, in a process called photosynthesis. Hope this is what your looking for!
Explanation:
Brainliest please?
18. many kitchens utensils have a plastic or rubber handles. why is it necessary to have something besides a metal on the handle? what are these types of materials called?
Answers
These type of materials are called as heat resistant materials or bad conductors of heat.
Heat-resistant materials are substances that can withstand high temperatures without undergoing significant physical or chemical changes. These materials are crucial in various industries, such as aerospace, automotive, manufacturing, and energy production, where high temperatures are encountered. Different materials have different temperature limits and properties, so selecting the appropriate material is crucial to ensure safety and performance in high-temperature environments.
Metals get heated up easily which may burn the skin of the person unknowingly touches it, hence it is necessary to have heat resistant materials on metals to prevent this. Heat-resistant materials play a crucial role in ensuring safety in industries where high temperatures are involved. Many heat-resistant materials also offer excellent resistance to corrosive chemicals, acids, and other aggressive substances. This also prevents the substances from getting corroded. Here, kitchen utensils have a plastic or rubber handles to prevent the hand from burning while holding the utensils.
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What is the function of connective tissues
Answers
Answer:
Functions of Connective tissue:
It connects and provides support to the various organs of the body together.It surrounds organs and tissues such as muscles,nerves,bones,kidney etc.It helps to strengthen the structure and helps to repair the tissue .It provides support to the body and forms the rigid framework for the attachment of the muscles.Hope this helps...
Good luck on your assignment..
A family took their newborn to the doctor. They were worried something was wrong because the baby seemed to be in constant pain. After medical tests revealed the baby had large amounts of lactic acid accumulating in his muscle cells, doctors diagnosed the child with a rare disease in which mitochondria are missing from skeletal muscle cells. How might the lack of mitochondria explain the large amounts of lactic acid in the baby's muscle cells
Answers
Mitochondria help in the complete metabolism of sugar to produce energy in the cell (ATP). Mitochondria is the powerhouse of the cell.
Glycolysis is the first step in the metabolism of glucose. By the process of glycolysis, glucose is converted to pyruvate with the generation of ATP and NADH. The pyruvate is then converted to acetyl CoA by the pyruvate dehydrogenase complex which then enters the TCA cycle. The NADH FADH2 generated by Glycolysis and TCA cycle donate their electrons to the electron transport chain which in turn helps in the generation of ATP. Both the TCA cycle and the Electron transport chain take place within the mitochondria. In the absence of mitochondria, NAD+ and FAD are regenerated by fermentation.
In the process of converting 3-carbon pyruvate to 3-carbon lactic acid (C3H6O3), lactic acid fermentation also regenerates NAD+, which enables glycolysis to continue producing ATP in the absence of mitochondria. This leads to the accumulation of lactic acid in muscle cells.
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Would the distance from the Sun to the next closest star be more or less than
39.4 Astronomical Units? Why or why not?
Answers
Answer: The distance from the sun to the closest star would be less. I dont know why, but their is a star that is close to the sun. The average distance between them is about 23 astronomical units. 23 is of course less then the 39.4. Also the 23 is a little more than the distance between the sun and Uranus.
Explanation: ( This is new information, not old.)
The distance from the Sun to the closest star cannot be less than 39.4 AU because both stars will start attracting each other.
Astronomical Units:An astronomical unit is equal to the distance between the earth and the sun.The nearest star from our sun is Alpha Centauri which is 4.367 light-years away from our sun.If a star is just 34 astronomical units away from our sun, the sun and the closest star will start attracting each other due to the high gravitational force. This event results in the destruction of the solar system.Therefore, the distance from the Sun to the closest star cannot be less than 39.4 AU.
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1. Which of the following is the main processing center for the entire nervous system?
a) central nervous system
b) somatic nervous system
Answers
List 3 body systems that both humans and fish have in common.
Answers
Answer:
The systems areRespiratory systemDigestive systemExcretory system.The 3 body systems that both humans and fish have in common are circulatory, respiratory and digestive system.
What is body system?When we breathe in air, our lungs pull oxygen from it and transmit it into our bloodstream while also producing carbon dioxide. The gills function similarly in the majority of fish, although not all.
Fish consume food through their mouths, then they digest it in their esophagus.
The pyloric caeca, which are finger-shaped pouches that process food in the stomach and secrete digestive enzymes and absorb nutrients, are found in many fish.
Cold-blooded aquatic vertebrates called fish can be found in both freshwater and saltwater.
Similar to humans, they have a closed circulatory system in which a network of blood arteries keeps the blood constantly contained.
Thus, these are the three body systems.
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A student examines a picture of an important biological molecule in a textbook and writes four statements about the molecule in a chart Which statement needs to be revised to make it true
Answers
Answer:
ghfdhc nghgtd
Explanation:
help................
Answers
The top left, would be light energy from the sun, while the top of the circle would be living beings. Think about it just like plants that that gain energy from the sun through photosynthesis. Then the bottom of the circle would be nonliving beings, either decomposed plants or animals that bring nutrients to soil, or dead ones that we eat. This cycles through until the energy is rereleased through heat. Therefore the top right would be heat energy, every living thing on earth creates gradual amounts of heat. Imagine going for a run, you'll probably be hotter afterwards right? I know it's not the most scientific answer but its 100% right.
Hope this helps!
Predator/prey interactions regulate the populations of both groups. Which chain of events follows from an increase in predators?
A. decrease in prey → decrease in predators → increase in prey
B. increase in prey → decrease in predators → decrease in prey
C. decrease in prey → increase in predators → decrease in prey
D. increase in prey → increase in predators → decrease in prey
Answers
Question: "Predator/prey interactions regulate the populations of both groups. Which chain of events follows from an increase in predators?"
Answer: "First, with a constant amount of predators in an environment, there will be a decrease in prey no matter what. However, if the population of predators decreases, this helps help improve the chances of future prey living, therefore, increasing the prey populations. Hence, in a nutshell, Option A is the best option that supports this."
The chain of events that follows from an increase in predators are decrease in prey → decrease in predators → increase in prey. That is option A.
Predator and prey interactionsPredators are animals that are usually carnivorous and hunts other smaller animals as preys.
Preys are those animals that are hunted, captured and eaten by predators.
In a particular habitat, when there is increased predators, there would be subsequent decrease in prey.
When the predators migrate to other areas in search of food, they decrease in number leading to increased number of preys in the area they migrated from.
Therefore, the chain of events that follows from an increase in predators are decrease in prey → decrease in predators → increase in prey.
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Cold showers and physical exercise help the liver process alcohol more quickly. a. true b. false
Answers
Answer:
B False
Explanation:
Intoxication rate factors speed up or slow down alcohol as it gets into bloodstream can explain why some people seem to be affected more quickly by alcohol don't affect beer drinker measure the amount of alcohol in the bloodstream.
Guys, please. I genuinely need help! If you don't know- don't answer. And please don't look it up on g00gle, those type of answers are always unrelated to the topic.
I need this question answered and an explanation.
I will give brainliest to whoever answered correctly, plus a thanks and a five-star rating.
Answers
Answer:
I want to say Substitution.
Explanation:
They removed the number 5, and inserted an A, which makes me believe its substitution.
At first, I thought it was Insertion when they added the A, but i had to look back again and see that the 5 was removed.
Can't be duplication, since no number/letter was duplicated.
And it can't be Deletion, since another thing was inserted,
I hope this helps!!
#teamtrees #WAP (Water And Plant) #ELM (Every Life Matters)
At which magnification is it easiest to focus a specimen?
Answers
The magnification at which it is easiest to focus a specimen can vary depending on the specific microscope being used and the characteristics of the specimen itself.
However, in general, it is often easier to focus a specimen at lower magnifications.
This is because lower magnifications provide a wider field of view, allowing you to see a larger area of the specimen.
This wider view can make it easier to locate and focus on the desired area of interest.
As you increase the magnification, the field of view becomes narrower, making it more challenging to precisely focus on a specific point.
So, while higher magnifications can provide more detail, it can be easier to initially focus a specimen at lower magnifications.
It's important to note that different microscopes may have specific features or adjustments that can affect the ease of focusing at different magnifications.
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2. How far apart are Y and L? Give your answer in map units.
Answers
Answer:20
Explanation:
its 20
Answer: The number of the two recombinant types is 200, divide by the total number of offspring is 1000, and multiply by 100, so the map unit is 20.
What are recombinant types?
The heterozygous dominant species, in this case, is YyLl, where Y stands for the dominant trait over y and T stands for the dominant trait over t.
Recombinant species will exhibit features that are heterozygously expressed in both the dominant and recessive forms), and these traits are Yyll: 100 and yyLl: 100.
Therefore, The number of the two recombinant types is 200, divide by the total number of offspring is 1000, and multiply by 100, so the map unit is 20.
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Explanation:
magnesium’s major functions in the body include all of the following except: group of answer choices blood clotting. being a cofactor for many enzymes. stabilizing atp. maintenance of bones.
Answers
Magnesium’s major functions in the body include all of the following except blood clotting. Magnesium plays a vital role in many biological processes in the body.
It is essential for maintaining strong bones and healthy muscle function, as well as for the transmission of nerve impulses, maintaining a healthy immune system, and regulating heart rhythm.Magnesium is also a cofactor for many enzymes and plays a crucial role in stabilizing ATP, the energy currency of the body. However, magnesium does not play a role in blood clotting. Blood clotting is a complex process involving different proteins and platelets.
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which of the following claims about the tyr , trp2 , and trp1 mammalian genes is most likely to be accurate? responses the tyr , trp2 , and trp1 genes are located next to each other on a single chromosome and are organized into an operon. the t y r , t r p 2 , and t r p 1 genes are located next to each other on a single chromosome and are organized into an operon. the tyr , trp2 , and trp1 genes may be located on different chromosomes but are activated by the same transcription factor. the t y r , t r p 2 , and t r p 1 genes may be located on different chromosomes but are activated by the same transcription factor. the tyr , trp2 , and trp1 genes are identical genes since they are activated by the same transcription factor. the t y r , t r p 2 , and t r p 1 genes are identical genes since they are activated by the same transcription factor. the tyr , trp2 , and trp1 genes may be located on different chromosomes but with identical operator sequences.
Answers
Based on the information provided, most likely accurate claim about the tyr, trp2, and trp1 mammalian genes is: The tyr, trp2, and trp1 genes may be located on different chromosomes but are activated by same transcription factor.
What is meant by genes?Genes are passed from parents to offspring and contains the information that is needed to specify physical and biological traits.
The claim above suggests that the three genes are not organized into an operon and may be located on different chromosomes, but are still regulated by same transcription factor. The fact that they are activated by same transcription factor could indicate that they are involved in related biological processes.
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help please this is so harddd
What is the role of tRNA during translation?
Answers
The genetic material of an organism is made up of?
Answers
Answer: DNA
Explanation:
The genome is the entire genetic material of an organism. It is found in the nucleus of a cell, and is composed of a chemical called DNA .
The genetic material of an organism is made up of DNA and RNA.
What do you mean by genetic material?
"Genetic Material is defined as any material of plant, animal, microbial or other origin that carries genetic information and that passes it from one generation to the next. The information contained controls reproduction, development, behavior, etc."
Who discovered genetic material?
"Friedrich Miescher discovered genetic material."
What does genetic material produce?
"Genetic material produces most genes contain the information needed to make functional molecules called proteins."
What do you mean by DNA?
"DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person's body has the same DNA."
What do you mean by RNA?
"Ribonucleic acid or RNA is a linear molecule composed of four types of smaller molecules called ribonucleotide bases: adenine (A), cytosine (C), guanine (G), and uracil (U)."
What are main differences between DNA and RNA?
There are two differences that distinguish DNA from RNA:
RNA contains the sugar ribose, while DNA contains the slightly different sugar deoxyribose (a type of ribose that lacks one oxygen atom), and RNA has the nucleobase uracil while DNA contains thymine.To know more about Genetic material here
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Here is an image of the mitochondria. Mitochondria numbers can differ between cell types based on the function of the cell. Which of these cells would contain the highest number of mitochondria? A) skin cell B) lung cell C) muscle cell D) red blood cell.
Answers
The cell organelle that produces most of the energy for cell functioning and growth is mitochondria. Mitochondria is a double membrane organelle that varies in number in cells.
The highest number of mitochondria is found in:
Option C) Muscle cells
The function of mitochondria can be explained as:
Muscle cells and tissues are bodily organizations that constantly and frequently move so to provide energy for the actions the muscle cells have the highest number of mitochondria.The skin and lungs cells vary in mitochondrial quantity and may contain hundreds or thousands. Some amount of cell requires more amount of energy as compared to others so the number of mitochondria in those cells will be more.The blood cell of mammals lack mitochondria in their structure.Therefore, muscle cells have the highest number of mitochondria.
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The kidneys, ureters, urethra, and bladder are organs found in which system
Answers
Answer:
Urinary System
Explanation:
The organs of the Urinary System include the
kidneys, renal pelvis , ureters, bladder and
Ureethra.
Need help
Identify the correct amino acid sequence for the mRNA strand ACG using the codon chart below.
Threonie
Serine
Lysine
Arginine
Answers
Answer:
option 4 is your answer
Explanation:
The correct amino acid for the ACG sequence is Threonine (Thr).
During translation, a messenger RNA (mRNA) sequence is read in the ribosomes to synthesize a polypeptide chain (i.e., a protein).
The correct order of triplets of nucleotides or 'codons' in the mRNA determines the order of amino acids in the nascent polypeptide chain.
Each codon determines a specific amino acid. In this case, the codon ACG encodes for the amino acid Threonine.
In conclusion, the correct amino acid for the ACG sequence is Threonine (Thr).
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a microbiologist investigates the outbreak of an unknown illness, which is thought to be caused by a new strain of bacteria. doctors have determined the bacteria are located in the lungs. initial work on treating the illness is dependent upon analysis of the bacteria. which investigational method should the microbiologist use to start the process to analyze the bacteria?
Answers
The microbiologist should use the method of bacterial culture and identification to analyze the bacteria causing the outbreak.
Bacterial culture involves growing the bacteria on a nutrient-rich medium in a laboratory setting. This allows for the bacteria to be studied and observed to determine their characteristics and properties. Once the bacteria have been cultured, they can then be identified through various methods such as biochemical tests, genetic sequencing, or microscopy. By identifying the specific strain of bacteria causing the illness, the microbiologist can then begin to develop treatment options to target the bacteria effectively.
Bacterial culture and identification is a fundamental investigative method used by microbiologists to study and analyze bacteria. It involves growing the bacteria in a laboratory setting and observing their characteristics and properties. This method is crucial in the investigation of an outbreak of an unknown illness caused by a new strain of bacteria, as it allows for the identification of the specific bacteria causing the illness. Once the bacteria have been identified, further investigation can be conducted to develop effective treatment options to combat the illness.
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