The use of climate models can help us better understand and predict how the climate will behave on a seasonal, yearly, decadal, and centennial time scale.
To understand the complex systems of the earth, scientists use climate models. They can test theories and make predictions about past and future climate systems using these models. This can assist them in determining if unusual weather occurrences or storms are a result of climatic changes or are merely a result of regular climate variance.
For example, scientists can use climate models to forecast the number of tropical cyclones that may form off the coast and the areas where they are most likely to make landfall during hurricane season.
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describe the events that occur from the time a motor neuron releases acetylcholine at the myoneural junction until muscle cell contraction occurs
The events that occur from the time a motor neuron releases acetycholine at the myoneural junction until muscle cell contraction trigger the occurence of the action potential.
The permeability of the cell membrane at the motor end plate is altered by the release of acetylcholine by the motor neuron at the neuromuscular junction. An action potential is set off by the change in permeability, which permits the inflow of positive charge.
The action potential permeates the entire surface of the muscle fibre and travels through the T tubules to the interior. A contraction begins when the amount of calcium ions in the cytoplasm (which have been released from the sarcoplasmic reticulum) increases. When AChE removes the ACh from the motor end plate and synaptic cleft, the contraction comes to an end.
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Developmental psychologists use measures at different levels of analysis. When researchers look at how gene expression is changed in children that live in stressful environments, they are using which level of analysis?.
Measures at the molecular level of analysis.
What types of inquiries pique the curiosity of developmental psychologists?What types of inquiries pique the interest of developmental psychologists? What alters the body, mind, emotions, and social aspects of people as they age? What does the phrase "cells to society" mean? What types of studies are conducted at each level?
What three topics do developmental psychologists mostly concentrate on?The goal of developmental psychology is to explain how thoughts, emotions, and behaviors change over the course of a lifetime. Physical development, cognitive development, and social and emotional development are the three main areas that are examined in this field.
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3. A small spider mite species has populations on several islands in the South
Pacific. They live inside coconuts and exclusively eat smaller insects on the outer
husk of the coconuts. During heavy storms, coconuts containing the spider mites
can be carried from one island to another where the mites successfully breed with
members of the same species on the new island. This is an example of -
A Bottleneck
B Mutation
C Gene flow
D Gene recombination
This is an example of - B Mutation
What principle underlies the notion of evolution?
Populations and species of organisms change through time; this is the fundamental tenet of biological evolution.
Genetic variations that are advantageous to an individual's survival are passed on through reproduction under natural selection. New organisms born as a result have a higher chance of surviving and reproducing.
Reproduction, heredity, variation in organism fitness, and diversity in individual traits among population members are the four prerequisites for natural selection to take place. Natural selection takes place automatically if they are met.
Variation, inheritance, selection, and time are the four principles that drive evolution. These are viewed as being part of the natural selection-based evolutionary system.
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how is it that norepinephrine (ne) can inhibit smooth muscle action in airways, yet stimulate contractions in smooth muscles everywhere else in the body?
Norepinephrine, additionally called noradrenaline, is each a neurotransmitter and a hormone. It performs an vital function in your frame's “fight-or-flight” reaction. As a remedy, norepinephrine is used to growth and preserve blood strain in confined, quick-time period severe health situations.
Norepinephrine has been proven to play a role in someone's mood and ability to concentrate. Low stages of norepinephrine might also result in situations together with attention deficit hyperactivity ailment (ADHD), despair, and hypotension (very low blood pressure).
Norepinephrine activates the amygdala, the part of the brain implicated in producing worry-related behaviour. The amygdala can also enhance lengthy-time period garage of demanding memories inside the hippocampus and striatum.
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Why is it more difficult to treat fungal infections than bacterial infections in humans?.
Fungal infections are more difficult to treat than bacterial infections because they are often resistant to drugs. Fungal infections can also be difficult to diagnose because they can mimic other types of infections.
First, fungal cells are more resistant to the effects of antifungal drugs than bacterial cells. This is because the cell walls of fungi are more resistant to the penetration of these drugs.
Second, fungi can develop resistance to antifungal drugs more easily than bacteria. This is because fungi can mutate more quickly than bacteria.
Finally, the immune system is not as effective at clearing fungal infections as it is at clearing bacterial infections. This is because fungi are more adept at evading the immune system than bacteria.
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what is the definition of the word symbiosis
Answer:
interaction between two different organisms living in close physical association, typically to the advantage of both.
Explanation:
hope this helps
Symbiosis means the interaction between two different organisms.
Which of the following muscle does not form part of the rotator cuff? supraspinatus infraspinatus teres major teres minor'
Answer: The Teres major muscle i snot part of the rotator cuff, although it is frequently confused with other muscles in the rotator cuff
Explanation:
how is an hfr chromosome formed? how is an hfr chromosome formed? by a specific deletion mutation in the bacterial chromosome by a specific gene duplication in the f-plasmid by integration of the f-plasmid into the bacterial chromosome by a point mutation in a bacterial gene that is essential for conjugation request answer
An IS element on the F-plasmid and the identical IS element on the host chromosome can recombine to create Hfrs. Many bacterial chromosomes include multiple IS insertions. Consider the wild-type E.
Because they frequently transfer chromosomal genes, bacteria with an F-plasmid incorporated into the chromosome are referred to as Hfr strains.
A bacterium having a conjugative plasmid (such as the F-factor) incorporated into its chromosomal DNA is known as a high-frequency recombination cell (Hfr cell), sometimes known as a Hfr strain. The incorporation of the plasmid into the cell's chromosome is by homologous recombination. F plasmids, not the complete chromosome, are often transferred to the recipient bacterium during bacterial conjugation. Those bacteria are referred to as F+ strains or donors if they carry the F plasmid. They can create sex pili and transfer plasmids to other bacteria that take them in.
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Sea anemones are ocean animals that can reproduce both sexually and asexually. A single sea anemone is located in a stable, isolated environment that is capable of supporting a colony of sea anemones. Which type of reproduction would be the most beneficial for this sea anemone (complete gap 1 and gap 2)?.
Asexual reproduction is what would be most beneficial for this sea anemone. This is because the sea anemone is living in a stable habitat that can is good and can support a sea anemone colony.
What is asexual reproduction?
In asexual reproduction, offspring is produced by a single parent. The offspring produced are identical to each other physically and genetically. The offspring, therefore, are clones of the parent.
Both multicellular and unicellular organisms can reproduce asexually. There is no fusion of gametes or change in the chromosome number either. The offspring inherits all the genes same as the parent.
In asexual reproduction, the organisms reproduce and multiply rapidly, and it occurs over a short period of time.
Therefore, it would be most beneficial for the sea anemones to reproduce asexually.
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In aquatic ecosystems, the liquid water absorbs energy, changing it to water vapor. What is the name of this process?.
The process in aquatic ecosystem where the liquid form of water absorbs energy and changes to water vapor is called evaporation.
Water vapor is the gaseous form of water. It is the state that appears when the temperature of water is below the boiling point. In nature, the sunlight energy is transferred into the water, that raises the temperature of water and causes it to change its state.
Evaporation is the phenomenon of change of the state of water from liquid to gas. In nature, the surface water changes its state and evaporates. It is also the crucial part of water cycle. For evaporation to occur in aquatic environments, the conditions should be high temperature and less humidity.
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Which animal does most of the heavy labor?.
Answer:
Boxer I guess
Explanation:
I looked it up and believe it or not, it was a boxer.
Well there's your answer. Please give Brainliest
Plants have cells, tissues, organs, and systems that allow them to function as complete organisms. Which parts of a plant function as an organ?.
The organ-like function of leaves makes them a part of a plant.
What is the main function of plants?Find out why plants use photosynthesis, respiration, and transpiration. Plants are significantly different from other species due to their autotrophic lifestyle (self-feeding). Autotrophs are able to synthesize their own sustenance from inorganic materials through a process known as photosynthesis.In addition to using photosynthesis to create food and oxygen, plants actively absorb carbon dioxide from the environment. This is a crucial function for the natural carbon cycle because it enables the recycling of carbon. Animals in the wild can also find shelter and safety in plants.The stamen and pistil, which are essential parts of a flower, carry out the process of seed formation. If the stamens and pistils are both functioning, a flower is said to be perfect.To learn more about function of plants refer to:
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Which of the following is characterized by a degree of genetic regeneration although it's resulted from asexual reproduction?
a)Bread mould fungus
b)Amoebae
c)Drone of honey bee
d)Carrot plant
Answer:
b)Amoebae
Explanation:Characterized by a degree of genetic regeneration
The cranial meninges are ______ layers that separate and support the soft tissue of the brain from the bones of the cranium.
The cranial meninges are three connective tissue layers that separate and support the soft tissue of the brain from the bones of the cranium.
What is connective tissue?Connective tissue is one of the major four tissues in the body which functions to provide structural support to body parts and also may serve to separate different tissues and structures such as in this case the cranial meninges in the brain.
Therefore, with this data, we can see that connective tissue is a fundamental tissue that may act to separate other tissues in the body.
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Select the correct answer.
The periodic table houses noble gas elements in group 18. These elements are highly stable and rarely react with any other elements. What is one
possible reason for the stability of the noble gas elements?
O A. They easily form covalent bonds.
O B. The compounds that they form with other elements are very unstable.
O C. Their outermost shell has the maximum number of electrons that it can hold.
O D. They require less activation energy.
Answer:
C
Explanation:
Group 18 are highly stable because of the presence of octet or duplet configuration
the first shell of an atom can hold only 2 electrons and becomes stable once it is completely filled with 2
while the other shells can hold a maximum of 8 and become stable too when completely filled with 8 electrons
and group 18 have either only 2 electrons in the first shell (example:helium) or 8 in any other shell(argon,neon,krypton and so on)
through the process of , molecules are broken down and used for movement and other cellular functions. this process energy.
Catabolism releases Through the process of , molecules are broken down and used for motility and other cellular functions. This process energy.
Catabolism, a series of enzyme-catalyzed reactions in which relatively large molecules are broken down or degraded within living cells. Some of the chemical energy released during catabolic processes is stored in the form of energy-rich compounds such as adenosine triphosphate [ATP]. Adenosine triphosphate (ATP) is the cell's energy molecule. ATP is produced during catabolic reactions and stores energy until needed during anabolic reactions. Catabolism breaks down large molecules (polysaccharides, lipids, nucleic acids, proteins, etc.) into smaller units (monosaccharides, fatty acids, nucleotides, amino acids, etc.). Catabolism is the breakdown side of metabolism and anabolic is the accumulation side.
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Neha's mother is making vegetable pickle. She does the following. Step 1 - cuts the vegetables into small pieces Step 2 - soaks the vegetables in water for sometime Step 3 - mixes the vegetables with spices Step 4 - stores the mixture in a cool dark place One of these steps may cause the pickles TO SPOIL. Which step is it likely to be?
Answer:
Step 4 will spoil the pickle
Identify this instrument.
A. Microscope
B. Refracting telescope
C. Reflecting telescope
D. Radio Telescope
Answer:
B. Retracting Telescope
the answer is: B. Refracting telescope
During conjugation, if an hfr cell is mated with an f- cell, why will the f- cell remain f-?.
During conjugation, if an hfr cell is mated with an f- cell, the f- cell remain f- because the whole Hfr genome could not be transmitted because the cells could not stay in touch for long enough.
What is genome?
Genome is the entirety of an organism's genetic makeup, or DNA. A person's genome is present in nearly every cell in their body. The genome of a person contains all the information needed for growth and development.
Its DNA contains the genes and other elements that control the function of those genes (or RNA in the case of some viruses).
Each and every one of the body's cells, such as the skin cell or the liver cell, carries the following set of instructions: DNA makes up the instructions in our genome. A special chemical code found in DNA directs our growth, development, and health.
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Which descriptions apply to Mendel’s pea plant experiments? Select three options.
A studied first generation plants only
B relied on random pollination and reproduction of plants
C used cross breeding to purposely breed plants
D studied a variety of pea plant traits
E focused primarily on breeding larger, healthier pea plants
F studied several generations of plants
The descriptions that apply to Mendel’s pea plant experiments include the following:
used cross breeding to purposely breed plants studied a variety of pea plant traitsstudied several generations of plantsOptions C, D and F are correct.
What are pea plants?The pea plant is regarded as the most commonly the small spherical seed or the seed-pod of the flowering plant species Pisum sativum.
During his experiment on the pea plants, Mendel opened the petals and removed the anthers from the flower and dusted the pistil with pollen from the plant he wished to cross it with and covered the flower with a small bag to prevent the pollen in the air from landing in the pistil. This process employed by mendel is called cross pollination.
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for 40 pionts!!!
23. Which of these is a feature of most shield volcanoes?
*
1 point
violent eruptions
steep sides
broad base
thick lava
24. Correctly identify these terms for where an Earthquake occurs. [A,B,C]
A.Fault, B.Epicenter, C.Focus
A.Fault, B.Focus, C.Epicenter
A.Focus, B.Epicenter, C.Fault
A.Focus, B.Fault, C.Epicenter
25. Which waves arrive 2nd at the Epicenter, move the slowest and do the most damage?
*
1 point
P waves
S- waves
26. Identify plate boundaries locations where earthquakes may occur....
*
1 point
Convergent Plate Boundaries
Divergent Plate Boundaries
Transform Plate Boundaries
Earthquakes can occur at all boundary types
27. What is the importance of Seafloor Spreading to the Theory of Plate Tectonics?
*
1 point
Where new crust is created as plates move and pull apart
Where many fossils have been found on the sea floor
Where coal deposits have been found connect to other plates
Where glacial deposits indicate it was once frozen
28. The volcanoes (red dots) in this map are MOST LIKELY caused by
*
1 point
Captionless Image
folding.
subduction.
metamorphism.
seafloor spreading.
Answer:
23. broad Base
24. A
25. S-waves are slower than P-waves.
26. Divergent Plate boundaries
*You do realize that your violating community guidelines by asking 6 different questions on one Question.
Your Welcome
What are 5 major events in Animal Farm?.
5 major events in Animal Farm are; Windmill - 5 year plans, Major's Skull - Lenin's body ,Battle of the Cowshed - Russian Revolution ,Animal Executions - Stalin's purge, Battle of the Windmill - WWII.
What were the most important events in Animal Farm?
The animals bravely repel a human attempt to retake the farm, which is dubbed "The Battle of the Cowshed." Napoleon leads the animals in the construction of a windmill. Napoleon reduces animal rations and rights and begins breaking the commandments.
What battles happened in Animal Farm?
Animal Farm by George Orwell is an allegory that represents the rise of the Soviet Union and uses the Battle of the Cowshed as the climactic battle between the animals and Manor Farm owner Mr. Jones to represent the Russian Civil War.
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Which is the prominent c-shaped fiber tract that connects the right and left cerebral hemispheres?.
The noticeable c-shaped fibre tract known as the corpus callosum joins the left and right brain hemispheres. The main and greatest commissural tract that joins the right and left cerebral hemispheres is called the corpus callosum.
The principal commissural portion of the brain, the corpus callosum, is made up of white matter fibres that link the left and right cerebral hemispheres.The corpus callosum, a substantial bundle of nerve fibres that connects the two halves of your brain, enables communication and signal transmission between the two halves.Moving deliberately to the left The symptoms of corpus callosum syndrome include dyslexia, dysgraphia, dyspraxia, alien hand syndrome, decreased left visual recognition, and left auditory hearing loss.
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Consider the two major classes of hormones and their actions, which class of hormones would you expect to be ideally suited for long-term processes such as growth and development?.
The binding of steroid receptors, proteins in the cytoplasm that, when activated, operate as factors that induce transcription, by steroid hormones, one of the numerous activities they carry out in cells, is to trigger gene expression.
Why do steroids require more time?Lipid-derived hormones must be transported to their target cell while bound to a transport protein since blood is water-based. The half-life of steroid hormones is significantly longer than that of hormones generated from amino acids due to their more complicated structure.
Glucocorticoids, mineralocorticoids, and sex hormones are all subclasses of steroid hormones that are derived from cholesterol. The placenta, ovaries (estrogens and progestins), testes (testosterone), and adrenal cortex all undergo synthesis (cortisol, aldosterone, and androgens).
Because it has the hormone's receptors, a target cell reacts to the hormone.
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A type of diabetes mellitus that is genetically inherited and occurs in thin individuals who are in their teens and twenties is abbreviated as?
MODY refers to a genetically inherited form of diabetes that affects skinny people in their teens and early twenties.
Diabetes mellitus: What Is It?Diabetes mellitus is a group of disorders that modify how the body uses blood sugar (glucose).The cells that comprise the tissues and muscles rely heavily on glucose as a source of energy.
How is diabetes mellitus brought on?Most cases of diabetes lack a clearly defined cause. Sugar accumulates in the bloodstream in every situation. This is a consequence of a pancreas not producing enough insulin. A confluence of hereditary and environmental variables may contribute to the development of either kind of diabetes.
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what are adaptations? processes that allow individuals with certain inherited traits to survive and reproduce. acquired characteristics of organisms that enhance their survival and reproduction in specific environments. inherited characteristics of organisms that enhance their survival and reproduction in specific environments. patterns seen in fossils documenting the origins of other new groups of organisms.
The technique adaptations with the aid of which people with sure inherited developments are more likely to live to tell the tale and reproduce than those who do not have the one's developments are called natural selection.
Natural selection is a mechanism of evolution. Organisms that are more tailored to their surroundings are much more likely to live on and pass on the genes that aided their fulfillment. This method causes species to change and diverge over the years.
In biology, a variation is ANY inherited function that increases an organism's risk for survival. The possibilities are countless! just study an organism and spot how it works properly in its habitat. Ex of adaptations: camouflage, mimicry, behavioral adaptations.
Examples consist of the long necks of giraffes for feeding inside the tops of bushes, the streamlined bodies of aquatic fish and mammals, the mild bones of flying birds and mammals, and the lengthy daggerlike canine enamel of carnivores.
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Individuals have two alleles for each gene, and when gametes form by meiosis, the two alleles.
Individuals have two alleles for each gene, and when gametes form by meiosis, the two alleles. . Physical Make-Up is Phenotype and Genetics are Genotype.
Gametes are an organism's reproductive cells. they may be additionally known as sex cells. woman gametes are known as ova or egg cells, and male gametes are known as sperm. Gametes are haploid cells, and every cellular contains only one reproduction of every chromosome.
The term haploid also can discuss with the number of chromosomes in egg or sperm cells, which might be also referred to as gametes. In people, gametes are haploid cells that comprise 23 chromosomes, each of which a one in all a chromosome pair that exists in diplod cells.
Gametes are unfertilized reproductive cells. Zygote is a fertilised egg or a fertilised egg. As a made from meiosis, gametes are always haploid cells. when you consider that zygote is the made of the fusion of the male and girl gamete haploid, it's far a diploid shape.
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To amplify and express a gene of interest, it is first cut from the chromosomal dna and inserted into what?.
DNA sequences can be amplified after cutting chromosomal DNA with a restriction nuclease and inserting the resulting DNA fragments into the chromosome of a self-replicating genetic element.
A chromosome is an extended DNA molecule that homes all or a number of the genetic code of an organism. most chromosomes have packing proteins protecting their extraordinarily long, thin DNA fibres; in eukaryotic cells, the histones are the maximum important of these proteins.
To keep the integrity of the DNA molecule, these proteins condense and cling to it with the help of chaperone proteins. those chromosomes showcase a complicated 3-dimensional shape that is vital for controlling transcription.
below a mild microscope, chromosomes are usually most effective discernible at some point of the metaphase of cellular division.
Sister chromatids are the brand new name for the linked copies. A metaphase chromosome is an X-fashioned structure that forms at some stage in metaphase and is surprisingly compressed, making it the perfect to apprehend and look at.
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g how can the spread of disease-causing microorganisms be prevented through regular hand washing and cleaning of shared surfaces?
Regular hand washing and surface cleaning can stop the spread of pathogenic microorganisms. Handwashing with soap also gets rid of germs from hands.
What steps can you take to stop the spread of microorganisms?Before touching your eyes, nose, or mouth or before you eat, wash your hands. When someone is coughing or sneezing, wash your hands immediately. Shareware items including as towels, cosmetics, toys, and other items that could be contaminated with respiratory infections should never be used.
How can you prevent the spread of disease by washing your hands?In order to prevent the spread of germs that might cause illnesses like food poisoning, the flu, or diarrhea, washing your hands correctly removes dirt, viruses, and bacteria. It may assist in preventing the spread of illnesses to others.
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the following statements concerning petroleum are all true except: a. some of the commercial uses of petroleum fractions include gasoline and kerosene. b. it is a thick, dark liquid composed mostly of hydrocarbons. c. all of its hydrocarbon chains contain the same number of carbon atoms. d. it was probably formed from the remains of ancient marine organisms. e. it must be separated into fractions (by boiling) in order to be used efficiently.
The following statements regarding petroleum are all actual besides option c. all of its hydrocarbon chains incorporate the same quantity of carbon atoms.
Option call of its hydrocarbon chains incorporates the identical variety of carbon atoms.
A hydrocarbon chain is a natural molecule along with nothing else however carbon and hydrogen atoms are arranged in a chain. The carbon atoms are interconnected to each different by way of covalent bonding.
Hydrocarbons are compounds that include the handiest carbon and hydrogen. Hydrocarbons are the best form of carbon-based total compounds, however, they can vary substantially in length. The smallest hydrocarbons have just one or two carbon atoms. the largest hydrocarbons may also have heaps of carbon atoms.
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