__________ do NOT exhibit the property of adaptation.
Answers
Tonic receptors do not exhibit the property of adaptation.
When a receptor neuron's electric responses start to wane over time despite the ongoing presence of a constant-intensity suitable stimulus, this is called adaptation. The frequency of spikes produced within the receptor neuron gradually declines as a result of this shift.
Tonic receptors - Little or no adaptation is required for a sustained response from tonic receptors. Because the information is so important for protection, nociceptors and the majority of proprioceptors are tonic receptors. Phasic receptors respond to a stimuli quickly. Successful organisms use evolution and adaptation to stay alive. Extinctions result from organisms' inability to adapt to changing surroundings. We refer to this as natural selection. Life in all its forms develops.
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Related Questions
Help I’m being timed
A chromosome is a cellular DNA molecule that typically encodes thousands of genes. In order for the information encoded within a specific gene to be transcribed to make RNA, RNA polymerase begins to transcribe the DNA, using one DNA strand as a template to make a complementary RNA molecule that is later used for protein synthesis during translation. A scientist is studying two mutant bacterial strains that do not produce a functional form of amylase, an enzyme that the organisms use to break down starch polymers. The scientist is using a third bacterial strain capable of normal amylase production (called the wild type) for comparison. Upon sequence analysis of the DNA region around and including the amylase gene in all three bacterial strains, the scientist locates the mutations as shown. Which statement BEST explains how these mutations affect gene expression and amylase enzyme functionality in the mutant bacterial strains?
A. Only mutant #1 transcribes the amylase gene and translate the resulting mRNA, but the resulting enzyme is non-functional
B. Only mutant #2 transcribes the amylase gene and translates the resulting mRNA, but resulting enzyme is non functional
C. Neither mutant #1 nor mutant #2 transcribes the amylase gene nor complete translation, so neither make functional enzymes
D. Both mutant #1 and mutant #2 transcribe the amylase gene and translate the resulting mRNA, but both resulting enzymes are non- functional.
Answers
Answer:
B. Only mutant #2 transcribes the amylase gene and translates the resulting mRNA, but resulting enzyme is non functional
ans fast plz I need the and
Answers
what is genetic variation
Answers
Answer:
Genetic variation is the difference in DNA among individuals
Explanation:
Robert Hooke first named cells in 1665 after viewing dead cells of tree bark under a microscope. Inspired by Hooke's discovery of him, in 1683 Anton van Leeuwenhoek created his own microscope and viewed living organisms for the first time in pond water. Many scientists after that continued to study and research cells which led to the cell theary. How does the continugus investigation of cells impact our lives today? Scientists today research cells with the latest technology available. As new technology is developed, new information is learned about the function and structure of the cell. The research helps benefit humans in ways such as; fighting diseases and improving food production. b. Scientists today rely on the research of groups of scientists. As new technology is developed, these group5 of scientists must come a consensus to determine if they will use it. The research helps benefit humans in ways such as, curing diseases and improving food quality. Scientists today rely on the research of past scientists to draw conclusions about the cell. As new C. technology is developed, previous ideas about the function and structure of a cell are confirmed. The research helps benefit humans in ways such as; curing diseases and improving food quality. d. Scientists today research cells using the same technology that previous scientist used in order to ensure reliiability. As new technology is developed, scientists come to a consensus to determine if they will use it. The research helps benefit humans is ways such as; fighting diseases and improving food production
Answers
The continuous investigation of cells is still ongoing and has accounted for a lot breakthrough in the area of fighting diseases and improving food production.
The cell is the basic unit of life. All cells come from pre-existing cells. The research into the nature of cells began as far back as Robert Hooke in 1665 and continued throughout the time of Anton van Leeuwenhoek until now.
In recent times, scientists continue to research cells with the latest technology available. As new technology is developed, new information is learned about the function and structure of the cell. The research helps benefit humans in ways such as; fighting diseases and improving food production.
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What is La Niña? What weather effects can La Niña cause?
Answers
Answer: La Niña causes water in the eastern Pacific to be colder than usual. In the same region, El Niño can cause the water to be warmer than usual. Areas that are hit with drought during La Niña years are pummeled with rain in El Niño years.
Explanation: The biggest impact of La Niña on North American rain, snow and temperatures tends to be felt during the winter, according to NOAA. Generally speaking, La Niña winters tend to be drier and warmer than normal across the southern U.S. and cooler and wetter in the northern U.S. and Canada!
dmitri ivanovski discovered microorganisms so small they could not be seen with a microscope. these organisms are called:
Answers
Microorganisms so tiny they couldn't be seen under a microscope were found by Dmitri Ivanovski. These creatures are known as viruses.
A piece of nucleic acid that has been protein-coated is what makes a virus an infectious microbe. A virus cannot reproduce on its own; instead, it must infect cells in order to use the components of the host cell to create copies of itself.
A virus's main objective is to transfer its genome to the host cell so that it can be expressed by the host cell. A fully developed infectious virus is known as a virion.
However, viruses and cell-based life have several striking similarities. For instance, they have nucleic acid genomes and share your cells' genetic code. Like cell-based life, viruses can evolve and have a range of genetic variants. Viruses, therefore, seem to be in a "questionable" area even if they do not fit the criteria of life.
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- How has photography changed our view of the past?
Answers
Photography has changed our view of the past because now we could take pictures of things and they won't be forgotten like if we find things from the past we can take pictures which help it not be forgotten.
.. Do animal and plant organisms have the same life processes?
Answers
Which do solar flares and coronal mass ejections have in common? Select the two correct responses.
A. They appear as dark spots on the sun's surface.
B. They tend to occur during minimum points in the solar cycle.
C. They are caused by the sun's changing magnetic field.
D. They are explosive events that can affect Earth.
Answers
C. They are caused by the sun's changing magnetic field.
D. They are explosive events that can affect Earth.
Explanation:
I'm sorry if it is wrong but I am almost 100% that it is correct!
Have a good one!
The solar flares and coronal mass ejections are caused by the sun's changing magnetic field. Also they are explosive events that can affect Earth. The correct options are C and D.
What is solar flare?A solar flare is a massive explosion on the Sun caused by the sudden release of energy stored in 'twisted' magnetic fields.
However, not all solar flares are safe. While the Earth's magnetic field protects us from solar radiation, the sheer electromagnetic power of a flare disrupts power grids, internet connections, and other communication devices.
Ejections occur at varying rates depending on the phase of the solar cycle, ranging from about 0.2 per day near the solar minimum to 3.5 per day near the solar maximum.
Coronal Mass Ejections are large plasma and magnetic field expulsions from the Sun's corona.
The sun's changing magnetic field causes solar flares and coronal mass ejections. They are also explosive events that can have an impact on Earth.
Thus, the correct options are C and D as per the given scenario.
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Explain the process of sourdough bread making based on cellular respiration and enzyme activity. Please include the roles of yeasts, bacteria, enzymes, and the products of cellular respiration in the answer.
Answers
The course of fermentation, enzymes inside the flour split the starch into smaller, easier-to-digest pieces, releasing sugars for use by yeasts and bacteria. which produce carbon dioxide, acids, or alcohol as byproducts.
What function does fermentation provide in bread?While the dough ferments, carbon dioxide is created and trapped as microscopic air bubbles. It increases as a result. The expansion of carbon dioxide during baking allows the loaf to rise higher.
How does the respiration process in cells compare to sourdough bread?Cellular respiration, a procedure used by the yeast within your bread, involves the conversion of glucose to ATP as well as carbon dioxide. This gas is created by the yeast, and when the bread rises, the gas is incorporated between the flour.
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About 3 million years ago, the Atrato Seaway was split by the formation of the Isthmus of Panama to form the Pacific and Atlantic Oceans. Studies on the phylogenies of shrimp from both oceans reveal that the closest relatives of some shrimp in the Atlantic are not other Atlantic shrimp, but Pacific species. What type of speciation does this describe? A. ecological speciation B. allopatric speciation C. sympatric speciation D. parapatric speciation
Answers
The type of speciation where the closest relatives of some shrimp in the Atlantic are not other Atlantic shrimp but Pacific species due to the formation of the Isthmus of Panama is allopatric speciation (option B).
What is allopatric speciation?Аllopаtric speciаtion is а form of biologicаl speciаtion in which two populаtions of the sаme species become isolаted from eаch other due to geogrаphicаl bаrriers such аs mountаins, rivers, or oceаns. Over time, these isolаted populаtions mаy undergo genetic chаnges thаt result in differences between them, eventuаlly leаding to the development of new species.
The shrimp species described in the question underwent аllopаtric speciаtion due to the splitting of the Аtrаto Seаwаy by the formаtion of the Isthmus of Pаnаmа. Аs а result of this event, some shrimp species in the Аtlаntic аre more closely relаted to Pаcific species thаn to other Аtlаntic species.
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List these in order from biggest to smallest
DNA
Cell
Nucleus
Chromosome
Gene
Answers
Answer:
Cell
Nucleus
Chromosome
Gene
DNA
The kidneys, skin, and lungs are each a part of the
______ system.
1. Respiratory
2. Excretory
3. Digestive
4. Nervous
Answers
Answer:
C
Explanation:
There's none really.
Excretory Organs
Organs of excretion include the skin , liver , large intestine , lungs , and kidneys (see Figure 16.2. 2). Together, these organs make up the excretory system .
Lycopodium is more developed than Marchantia.
Answers
Lycopodium is more developed than Marchantia because it has vascular tissue for water and nutrient transport, unlike the non-vascular Marchantia.
Lycopodium, commonly known as clubmoss, is more developed than Marchantia, a liverwort, primarily due to the presence of vascular tissue in Lycopodium.
This vascular tissue, composed of xylem and phloem, allows for efficient transport of water, nutrients, and sugars throughout the plant, contributing to its growth and overall complexity.
In contrast, Marchantia lacks vascular tissue and relies on diffusion and osmosis for nutrient and water transportation. Additionally, Lycopodium exhibits a more complex life cycle and a better-developed sporophyte generation, whereas Marchantia has a simpler, less evolved life cycle with a dominant gametophyte generation.
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How do animals use the energy in glucose?
O fuel for all bodily functions
O to produce cellulose and starch
O to carry out photosynthesis
O
released entirely as waste
Answers
Since animals are not autotrophs, we cannot carry out photosynthesis. Glucose is used as fuel for all bodily functions. Option A is correct.
How do animals use glucose?Animals use glucose and oxygen in aerobic cellular respiration. During this process, glucose molecules are broken down into ATP (adenosine triphosphate) molecules which provide energy for cells to do work. The chief source of energy for animals is carbohydrates, principally glucose. The assimilable carbohydrates in an animal’s diet are converted to glucose and into energy through catabolic chemical reactions.
Once glucose enters an animal's body, it is transported to the cells through the bloodstream. The cells then use enzymes to break down glucose into ATP (adenosine triphosphate), which is the molecule that provides energy for all cellular activities, including muscle contraction, protein synthesis, and the synthesis of other important molecules.
In addition to providing energy, glucose is also important for the production of glycogen, which is a complex carbohydrate that is stored in the liver and muscles.
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In all but the __________ route, the medication is absorbed into the bloodstream through various body tissues.
Answers
The topical route, the medication is absorbed into the bloodstream through various body tissues.
Applying medication to the skin or mucous membranes allows it to enter the body from there. Medication applied in this way is known as topical medication.
Topical solutions include eye drops, ear drops, and lotions.
Eye drops are sterile liquids that contain a range of drugs, including local anesthetics, antimicrobials, anti-inflammatory agents, and drugs acting on the autonomic nervous system of the eye.
A topical drug delivery system is a way to deliver medication that is applied onto a particular part of the body, typically the skin, to treat various ailments.
There are many common forms of topical medication such as lotions, gels, patches, and powders, but they are mainly formulated as creams or ointments.
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How will the movement of water affect the cell?
Answers
Answer:
Water can move across membranes, but polar solutes dissolved in water cannot. ... A hypertonic solution has increased solute, and a net movement of water outside causing the cell to shrink. A hypotonic solution has decreased solute concentration, and a net movement of water inside the cell, causing swelling or breakage.
Which of the following is NOT a part of a sperm cell?A. NucleusB. Jelly coatC. HeadD. Tail
Answers
A sperm cell, which is the male gamete of us, human beings, and other animals, consists of about a head, which contains its nucleus where the DNA is stored, and a tail, which is used to propel through the female reproductive organs. It doesn't have a jelly coat, because that structure is characteristic of other female sexual cells.
We can say then that the correct answer is the one at the second answer option: B. Jelly coat.
in island biogeography, what does species area relationship indicates? a. large islands that are far get more species that can fly or swim b. large islands increase the probability of extinction c. habitat heterogeneity provides suitable niches to colonize d. smaller habitat size reduces the probability of extinction
Answers
The species-area relationship in island biogeography indicates that larger habitat size reduces the probability of extinction. Habitat heterogeneity provides suitable niches to colonize, thus allowing for a higher number of species in the area. Therefore, the correct option is c.
Habitat heterogeneity provides suitable niches to colonize. Let's discuss the given options one by one.a. Large islands that are far get more species that can fly or swim: This option is incorrect because the number of species on an island is not determined by how far it is from the mainland but instead by the size of the island. Large islands increase the probability of extinction: This option is incorrect because larger islands provide more suitable habitats for a higher number of species and not for increasing the probability of extinction Smaller habitat size reduces the probability of extinction: This option is incorrect because smaller habitat size provides a lower number of suitable niches and habitats to colonize, which can increase the probability of extinction.
Thus, it can be concluded that habitat heterogeneity provides suitable niches to colonize in island biogeography.
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100 POINTS please help, info should be pretty short but enough to probably fit on one slide!
My assigned technology is GENE THERAPY!
Include a real-life scenario or “case” to explain how the technology has or is currently being used. For example, for GMOs you might include the scenario of Golden Rice Project to increase vitamin A in communities exhibiting vitamin A deficiency, or for cloning, you might describe the first successful cloning of Dolly the sheep. Your case should include the following:
· When did the scenario/case happen?
· Where did the scenario/case happen?
· Explain the background/details of the case/scenario.
· How was the technology involved in solving the problem or case?
· 2-3 related pictures
Answers
Gene therapy is a rapidly evolving technology that has the potential to revolutionize medical treatments. It offers hope to patients with previously untreatable genetic disorders and diseases.
What is blood?Blood is a fluid connective tissue that circulates throughout the body, carrying oxygen, nutrients, and hormones to tissues and organs, while also removing waste products and carbon dioxide from them. It is composed of various types of cells, suspended in a liquid matrix known as plasma.
Here,
Title: Gene Therapy - Revolutionizing Medical Treatments
Introduction:
Gene therapy is a promising technology that involves the delivery of genetic material to cure or prevent diseases. It is an innovative approach to address genetic disorders that were previously untreatable. This technology is being used to treat a variety of diseases, such as genetic disorders, cancer, and viral infections.
Real-life scenario:
In 2017, the US Food and Drug Administration (FDA) approved the first gene therapy for use in the United States. The treatment, called Kymriah, is a type of gene therapy used to treat pediatric acute lymphoblastic leukemia (ALL).
Background/details:
Pediatric ALL is a type of cancer that affects the blood and bone marrow. It is the most common type of cancer in children, accounting for around 25% of all childhood cancer cases. The traditional treatment for ALL involves chemotherapy, radiation, and bone marrow transplant. However, these treatments can be very harsh and can have severe side effects.
How was the technology involved in solving the problem or case?
Gene therapy involves the insertion, removal, or modification of genes within a person's cells and tissues to treat or prevent disease. In the case of Kymriah, the patient's own T-cells (a type of immune cell) are modified with a new gene to target and kill cancer cells. The modified T-cells are then infused back into the patient's body to attack the cancer cells.
Pictures:
Picture 1: A child receiving gene therapy treatment
Picture 2: A lab technician working on gene therapy research
Picture 3: A diagram of the gene therapy process
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The pedigree shows the phenotypes for hair color in a family over four generations. In this pedigree, light hair color is the recessive allele, and dark hair color is the dominant allele.
Answers
The pedigree shows that over the four generations, there are both dominant and recessive alleles present.
What is an Allele?
An allele is a genetic variety. Alleles can be either dominant or recessive, and they determine a person's hereditary characteristics such as eye color, hair color, and other physical traits. Every gene has at least two alleles, which are inherited from one's parents. Alleles can be the same or different, and the presence of certain alleles can affect the expression of a trait.
In the first generation, both the father and mother have dark hair color, showing a dominant allele. In the second generation, two of the children have dark hair color, again showing a dominant allele, while the other two children have light hair color, showing a recessive allele. In the third generation, two of the children have dark hair color, again showing a dominant allele, while the other two children have light hair color, showing a recessive allele. Finally, in the fourth generation, two of the children have dark hair color, again showing a dominant allele, while the other two children have light hair color, showing a recessive allele.
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place the levels of organization from smallest to largest , with smallest listed first.
Answers
Answer:
B - D - A - C, that's you answer
if not like that please post your choices as well.
Explanation:
explain how temperature affects population size
Answers
Answer: High temperature and drying were both associated with greater per capita mortality rate. Smaller population sizes at high temperatures and drying regimes may result from increased desiccation of adults and thus higher mortality. These precipitation effects on adult production are absent at 22°C
OR
Other than toxic metals, temperature rise and low resource availability are factors that are also known to stress populations. A rise in temperature generally accelerates metabolic rates and hence population growth rate
Which of the following statements about marijuana is false?a. Peoplewho have used marijuana may experience psychoactive effectsfor several days after use.b. Marijuana has shown someeffectiveness in treating chemotherapy-related nausea.c. Unlikelong-term use of alcohol, regular use of marijuana does not haveany long-lasting health consequences.d. Depending on the amount of marijuana used, its effects can range from a mild sense ofeuphoria to extreme panic.
Answers
The false statement about marijuana is Unlike long-term use of alcohol, regular use of marijuana does not have any long-lasting health consequences.
The correct option is C .
Regular use of marijuana can indeed have long-lasting health consequences. Chronic and heavy marijuana use has been associated with several potential health risks, including respiratory problems, cognitive impairments, mental health issues, and addiction. While the severity and extent of these consequences can vary among individuals, it is incorrect to claim that regular marijuana use does not have any long-lasting health consequences.
Frequent marijuana smoking can lead to respiratory issues such as chronic bronchitis, coughing, and increased risk of lung infections. Long-term marijuana use, especially when initiated during adolescence, has been linked to negative effects on memory, attention, and cognitive function. Marijuana use has been associated with an increased risk of developing mental health disorders such as anxiety, depression, and psychosis. It can also exacerbate symptoms in individuals already susceptible to these conditions.
Hence , C is the correct option
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This model shows the process of photosynthesis. The Law of Conservation of Mass reminds us that matter is neither created nor destroyed, so the atoms present in the reactants of photosynthesis are still present in the products of photosynthesis. Which of these equations accurately portrays this fact?
Answers
Answer:
6CO2 + 6H2O →(Light energy)→ C6H12O6 + 6O2
Explanation:
.Hormones are most essential to which aspect of mammalian parental behavior?a. care for newborns during the first few daysb. continuation of care after the first few daysc. the parental care sometimes shown by malesd. all aspects equally
Answers
Hormones are most essential to aspect continuation of care after the first few days in mammalian parental behavior. Option(b) .
While hormones play a role in various aspects of mammalian parental behavior, they are particularly crucial in sustaining and regulating parental care beyond the initial few days after birth.
Hormonal changes, such as increased levels of oxytocin and prolactin, contribute to the nurturing and caregiving behaviors of parents, including feeding, protecting, and bonding with their offspring.
These hormones help establish and maintain the parent-offspring relationship, promote milk production in lactating mothers, and facilitate the emotional and behavioral responses associated with parental care.
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In reversible denaturation, the denatured protein spontaneously and accurately recovers its normal structure under appropriate conditions.
What kind of interdependence of the protein structure does this fact indicate?
Answers
Reversible denaturation indicates a type of flexible interdependence of the protein structure after this process.
What is reversible denaturation?Reversible denaturation is the process by which a protein that lost its tridimensional 3D structure due to conditions in the media can recover its original form due to certain factors in the cell that allow it such as the presence of chaperone proteins that fold the protein to its original conformation.
Therefore, with this data, we can see that reversible denaturation is a natural process that occurs in the cell in presence of chaperone proteins.
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Match the given characteristics to the corresponding prokaryotes.
spherical
rod-shaped
purple stain
pink stain
bacilli
arrowRight
gram-positive
arrowRight
gram-negative
arrowRight
cocci
Answers
spherical = cocci
rod-shaped = bacilli
purple stain = gram-positive
pink stain = gram-negative
What makes social animals unique?
Answers
Answer:
In these species, members of the group depend completely on one another. Different animals within the group have different jobs. Therefore, group members must work together for the good of all. Most species of ants and bees are highly social animals.
Explanation:
The absorptive sutface or the small intestime is increased by _____times because of the rugae, villi and microvilli.
Answers
Answer:
dude its surface got to chilll bro