The synapse is the space between two neurons where the axon of a sending neuron uses chemical messages to communicate with the dendrites of a receiving neuron.
What is the axon?The axon is a prolongation of a nerve cell (ie, a neuron) whose objective is to send information between these cells through transmitting electrical stimuli to different parts of the human body.
In conclusion, the synapse is the space between two neurons where the axon of a sending neuron uses chemical messages to communicate with the dendrites of a receiving neuron.
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Organisms that live in the tundra biomes have developed unique adaptations that aid in their survival. the labrador tea plant is a shrub that grows to be approximately five feet tall. its leaves are used by human residents of the arctic tundra to create both beverages and medicine. the leaves are harvested from each plant individually off the branches throughout the year. how has the labrador tea plant adapted to enable its survival against the cold of the tundra biome? a. shallow roots b. dense hairs c. retention of dead leaves d. low to the ground
Answer: I believe dense hairs since they have fuzz on the underside of their leaves to retain warmth, could also be low to the ground since they are a shrub based on the text given
Explanation:
Match these items.
1 .
March 21
winter solstice
2 .
23 ½° north of equator
spring equinox
3 .
June 21
summer solstice
4 .
365 ¼ days
fall equinox
5 .
December 21
Arctic Circle
6 .
23 ½° south of equator
Antarctic Circle
7 .
imaginary line for earth's rotation
Tropic of Cancer
8 .
23 ½° south of the North Pole
Tropic of Capricorn
9 .
23 ½° north of the South Pole
axis
10 .
September 23
revolution of the earth around the sun
The winter solstice occurs during the hemisphere's winter. In the Northern Hemisphere, this is the December solstice (usually 21 or 22 December) and in the Southern Hemisphere, this is the June solstice usually 20 or 21 June.
2. The Sun lies directly over 23 1/2o south. Occurring during the astrological sign of Capricorn, 23 1/2o south latitude is called the Tropic of Capricorn. Continuing to March 21st (i.e. spring equinox) the Earth has positioned itself similar to that which occurs in September, only on the other side of the Sun.
3. June 21
The latitude of 23 ½ degrees north is known as the Tropic of Cancer, and it is the northern boundary of the tropics. Question: On June 21, the subsolar point is at about 23 1/2 degrees north.
4. In 2020, the Sun will cross the celestial equator from north to south on September 22, at 13:30 UTC. Because of time zone differences, the equinox will take place on September 23, 2020 at locations that are at least 10:30 hours ahead of UTC.
5. December 21st was the Winter Solstice in the northern hemisphere. That's the day when Earth's north pole was pointed completely away from the Sun. If you lived north of the Arctic Circle, like Santa Claus, you would have experienced 24 hours of darkness. It was the day Sun never rose.
6. The farthest south that the sun's rays shine directly is latitude 23 ½ degrees south, the Tropic of Capricorn. This is the southern boundary of the tropics. On this day, the area north of the Arctic Circle gets no sunlight, and the area south of the Antarctic Circle gets 24 hours of light.
7. Tropic of Capricorn, 23 1/2 degrees S. Tropic of Cancer, 23 1/2 degrees N. Arctic Circle, 66 1/2 degrees N. Antarctic Circle, 66 1/2 degrees S. North Pole, 90 .
8. Tropic of Capricorn: 23.5 degrees south of equator. ... at midday on December 21 is 90-36-23.5 = 30.5 degrees; on March 21
9. equator
The equator is an imaginary line drawn right around Earth's middle, like a belt. It divides Earth into the Northern Hemisphere and the Southern Hemisphere. Another imaginary line drawn straight through Earth connecting the North Pole to the South Pole is Earth's axis of rotation.
10. A day is the amount of time it takes a planet to finish one rotation on its axis. It takes Earth approximately 365 days and 6 hours to orbit the Sun. It takes Earth approximately 24 hours — 1 day — to rotate on its axis. So, our year is not an exact number of days.
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suggest reasons for and against women in their 50s and 60s having ivf treatment (3 marks)
Three reasons for women in their 50s and 60s having IVF treatment are:
IVF has proven to be a successful method of assisted reproductive technologyIVF treatment has been used to treat fertility issuesIVF treatment can help women of all ages to have their own babiesThe reasons against women in their 50s and 60s having IVF treatment include:
IVF treatments may have some side effectsPossibility of ectopic pregnancy occurringRisk of premature birthsWhat is IVF?IVF is the acronym for in-vitro fertilization.
In-vitro fertilization is the fertilization procedure in which the egg or oocyte of a women is taken from the ovaries and fertilized with the sperm outside the body in a laboratory.
The process of in-vitro fertilization has helped couples with fertility issue to have their own babies. Even older women who in their 50s and 60s have been able to successfully conceive and give birth by means of IVF treatment.
The reasons for women in their 50s and 60s having IVF treatment include:
IVF has proven to be a successful method of assisted reproductive technologyIVF treatment has been used to diagnose and treat fertility issuesIVF treatment can help women of all ages to have their own babiesThe reasons against women in their 50s and 60s having IVF treatment include:
IVF treatments may have some side effects and risksThere is a possibility of ectopic pregnancy occurringThere is the risk of premature birthsLearn more about in-vitro fertilization at: https://brainly.com/question/1853744
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The serous membrane is a double-layered membrane created by two separate membranes. True or false?.
Chemical digestion of food starts in the __________. chemical digestion of food starts in the __________.
a. small intestine
b. stomach
c. mouth
d. large intestine
Answer:
Chemical digestion of food starts in the mouth.
Explanation:
This begins with saliva. This saliva acts as a digestive juice so the food can move more easily through the esophagus into the stomach. Also, saliva has an enzyme that begins to break starches in the food. Hope this helped :)
In which two organs is food broken down?
Answer: Stomach and small intestine I think
Explanation:
Which statement is correct about honey?
Answer:
It contains monosaccharides, the simplest carbohydrate.
Explanation:
This is the best given answer to this question!
Which term matches this definition?
double membrane that surrounds the nucleus
that protects the cell's genetic material from
the rest of the cell
A. nuclear envelope
B. nuclear pores
C. nucleolus
D. nucleus
Answer:
nucleolus us the answer it is where chromosomes are present
Answer: nuclear envelope
Explanation:
Two forms of energy capture are?
The size of proteins what is the approximate molecular weight of a protein with 682 amino acid residues in a single polypeptide chain?
The Molecular weight of a 682 amino acid-long protein would be around 75kDa.
How can you determine a protein's molecular weight from an amino acid?When the amino acid sequence of a protein is known, we may roughly calculate the protein's molecular weight by multiplying the average molecular weight of the amino acids by the total amount of amino acids that make up the protein. An amino acid's molecular weight is typically 110 Daltons (Da). The total of the products of the number of picomoles of each amino acid multiplied by the associated molecular weight will give you the concentration of peptide or protein in the original sample.Given the number of amino acids that make up a protein, a common method to determine its molecular weight is to multiply that number by the typical weight of a 110Da amino acid.So the MW of a 682aa-long protein would be around 75kDa.
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What is the most common monosaccharide? why is this monosaccharide so important to our daily fauncitioning?
Glucose is the most common monosaccharide times referred to as dextrose or blood sugar. glucose is classified as a monosaccharide because it can't be broken down by hydrolysis
Glucose is so important to our daily functioning because it is the main source of chemical energy used for cell functions in all organisms. Glucose serves as the primary energy source for humans. And glucose also plays a pivotal role in metabolism. Glucose is also known by the human body as brain fuel and muscle fuel. Without glucose human brain can not be able to work well.The polymer of glucose is known as glucans.The primary form of sugar in the blood, glucose serves as the body's cells' main source of energy. Glucose can be produced by the body from other substances or it can be obtained from the foods we eat. The bloodstream carries glucose to the cells. Insulin is one of many hormones that regulate blood glucose levels.To know more about Glucose visit :https://brainly.com/question/2396657
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HELP ASPPP ILL GIVE BRAINILEST AND 20 points and if someone puts bunch of letters I will report
Answer:
3,4,7
Explanation:
Elements present in a group has the same valence.
Elements present in a group has identical chemical properties but vary in physical properties.
The vertical column of elements on groups are numbered 1-8
Assuming that individuals with cystic fibrosis never survive to reproduce, what is the expected frequency of the cystic fibrosis allele at the equilibrium between mutation and selection?
However, an allele's frequency within a population can vary greatly. For instance, Caucasians have an allele frequency of 0.025 for the mutant cystic fibrosis allele and 0.975 for the normal allele. This has an impact on how alleles are distributed across a population as a whole.
What is cystic fibrosis ?A fatal hereditary condition that harms the lungs and digestive system.
The cells that make mucus, perspiration, and digestive fluids are impacted by cystic fibrosis. These fluids start to thicken and cling together as a result. They then block off the passages, ducts, and tubes.
Cystic fibrosis is brought on by a mutation in the CFTR gene (cystic fibrosis transmembrane conductance regulator). This gene regulates the movement of fluids and salt into and out of your cells.Learn more about Cystic fibrosis here:
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Dew Is droplets of water that appear on plants in the morning as a result of water In the atmosphere cooling overnight
and changing into a llquld that clumps together. Dew is an example of_______
Dew Is droplets of water that appear on plants in the morning as a result of water In the atmosphere cooling overnight and changing into a liquid that clumps together. Dew is an example of condensation.
The condensation of water vapors results in dew drops. Hot air contains more water vapors as compared to cold air. The temperature gets cold at night and the hot air comes in contact with a cold surface, condensation happens and dew is formed.
The water papers condense on the cold surface and droplets are formed this condensation continues to happen till early morning.
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If a meal contains 20 g of protein, how many calories will you consume from protein?
Each meal would need to provide 80 calories, or 20 grams, of protein for that person.
Finding out how many portions you divided the dish into and multiplying the total calories by that number is the best method for estimating the number of calories in a single serving. Add that to the quantity of the dishes you consumed. If the calorie count is given in grams of protein rather than calories, multiply the amount of grams of protein by 4 to get the calorie count. Protein has four calories per gram. A serving of food with 6 grams of protein has 24 calories from protein.Learn more about the calorie counting with the help of the given link:
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Which structures are in the cytoplasm? select five options. cell membrane chloroplasts endoplasmic reticulum lysosomes cell wall nucleus vacuoles
The structures present in the cytoplasm are chloroplasts, endoplasmic reticulum, lysosomes, nucleus, vacuoles.
What is cytoplasm?Cytoplasm is the gelatinous liquid that fills the inside of a cell. It is composed of water, salts, and various organic molecules. Some intracellular organelles, such the nucleus and mitochondria, are enclosed by membranes that separate them from the cytoplasm.
Moreover, it provides a platform upon which other organelles can operate within the cell. All of the functions for cell expansion, growth and replication are carried out in the cytoplasm of a cell.
Therefore, the main components of the cytoplasm are cytosol, the organelles and various cytoplasmic inclusions. The cytoplasm is about 80% water and is usually colorless.
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include activities performed by autotrophs and consumers. *
Biological Processes
O Geological Processes
O Physical and Chemical Processes
O Human Activities
Most autotrophs use a process called photosynthesis to make their food while the heterotrophs do not.
Autotrophs produce food for themselves using photosynthesis, but they also produce enough to sustain other forms of life. These three groups provide all of the food that the majority of other creatures create. Autotrophs are the "producers," starting the food chains that sustain all life. The "Food Chains and Food Webs" idea will cover food chains.
As heterotrophs are unable to produce their own food, they must consume it or absorb it. Heterotrophs are also referred to as consumers because of this. All types of animals, fungi, as well as numerous protists and bacteria, are consumers.
They might eat other heterotrophs, autotrophs, or organic compounds produced by other creatures. The diversity of heterotrophs is enormous, and they can seem far more fascinating than producers.
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The Perennial Pepperweed was first introduced in Las Vegas during the 19th century. This weed damages the soil and makes it impossible for other plants to grow around it. It has been continuing to spread in southern Nevada and threatens many organisms in the area. The Perennial pepperweed is an example of:
(A) An endangered species.
(B) An invasive species.
(C) An abiotic factor.
(D) A non-living factor.
Perennial pepperweed is an invasive species, as shown in option B.
How to define an invasive species?Organisms that originated in one area and spread to other areas.Organisms that cause problems in the area where they invaded.Organisms compete with local species for the same natural resources.We can determine that the Perennial pepperweed is an invasive species because despite having been created in Las Vegas in the 19th century, it is invading other areas, mainly in southern Nevada, where it causes problems for local plants.
This is because the Perennial pepperweed takes over the soil, damaging it and preventing other species from growing.
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PLEASE HELP!!!!!!!!! Choose the items that are Descriptive Statistics (Check all that apply)
A. Give a measure of statistical significance
B. Include the mean
C. Give the likelihood of data occurring by chance
D. Summarize the data
E. Tell you whether to call your mother about your results
The items that are Descriptive Statistics include both summarizing the data and and include the mean (Option B and D Option are correct).
What is Descriptive Statistics?Descriptive Statistics is a field in statistics aimed at describing different data in a sample and or population based on a summarization of info collected by experimental or observational studies. This field is fundamental in biology and related areas to describe population parameters.
In conclusion, the items that are Descriptive Statistics include both summarizing the data and and include the mean (Option B and D Option are correct).
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The Lorax is a good illustration of the Tragedy of the Commons as written by Garrett Hardin. Explain the idea behind that essay, and relate it to the television special.
When all the trees are gone, the business shuts down and all the animals are forced to leave The Lorax. The factories polluted the air and made the area unsafe to live in (The Lorax). This is a perfect example of a tragedy of the commons.
Along with this the story of the Lorax shows to demonstrate a phenomenon known as the tragedy of the commons; a phenomenon in nature which deals with the depletion of a resource due to the individuals in a population all acting in self-interest to profit off of the resource.
The Lorax remains a staple of children's reading lists for its whimsical characters and wonderful, Seussical wordplay. But its cautionary message is as important today as it ever was. Respect for the environment and all living creatures will help us preserve the planet for ourselves and future generations.
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1) Give an example of diffusion in
plant and animal cell and explain the process (oxygen from lungs to
blood).
The best example of diffusion in plants is the transport of carbon dioxide and oxygen through the stomata. In Animals glucose and oxygen are necessary for the normal functioning of cells, therefore these substance reaches the cells through the blood and diffuses out from the blood into the cells.
How does oxygen from the lungs get into the bloodstream?The lungs have tiny sac-like structures known as alveoli at the end of each bronchiole. Alveoli is the point where the gas exchange takes place, oxygen is delivered to the lungs and the carbon dioxide is eliminated from the bloodstream to the lungs and out of the body.
The alveoli contain the network of capillaries that allow the diffusion of oxygen from the lungs to the bloodstream and travel to the heart. And simultaneously allows carbon dioxide to diffuse out. This gas exchange takes place from the region of higher concentration to lower concentration.
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A highly witty play filled with double meanings is meant to appeal to an audience that is? dionysian. bi-polar figuratist literalist. easily confused.
A highly witty play filled with double meanings is meant to appeal to the figuratist' audience.
The figuratist is a critical thinker who employs language in novel, frequently humorous, and vivid ways. Because word games and double meanings sometimes have comedic effects, this type of play would be appealing to an audience who likes them. The multiple meanings frequently cause a misunderstanding, which has a hilarious impact.Whereas a literalist, who takes things literally, is the antithesis of a figuratist. The source from which the information was heard would determine the literal reaction, and the response would be in line with the facts and/or viewpoints of the source. A figuratist is someone who uses various images, is open-minded, and has views that incorporate their own ideas.
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What is the name of the covalent bond that joins carbohydrate monomers together?
Answer:
glycosidic linkage / glycosidic bond
A school’s cafeteria kitchen has a large, walk-in refrigerator where food is stored for lunch later in the week. Which cell organelle has a function that is similar to the refrigerator?.
Vacuoles function similar to the refrigerator.
A membrane-bound cell organelle known as a vacuole. Animal cells typically have tiny vacuoles that aid in the sequestration of waste. Vacuoles in plant cells aid in preserving the equilibrium of water. A single vacuole may occasionally occupy the majority of a plant cell's inner volume.In biology, a vacuole is an area of a cell that is devoid of cytoplasm, membrane-lined, and filled with fluid. Vacuoles are crucial cytoplasmic organs (organelles), particularly in protozoa (single-celled eukaryotic creatures), carrying out tasks such water storage, intake, digesting, excretion, and expulsion. Plant cells frequently have big core vacuoles, which allow them to grow large without acquiring the mass that would make metabolism challenging.Plants, fungi, algae, and certain other species also store potent secondary compounds in their vacuoles to shield the cell from self-toxicity, such as tannins or other biological colors.Therefore, the correct answer is vacuoles.
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Based on cell theory, what statements can confidently be made regarding these unidentified plants and seeds?
Based on cell theory, the statements that can confidently be made regarding these unidentified plants and seeds are: Living cells inside the seeds divide to generate the new plant cells and Tissues in both the plants and the seeds are made of cells.
The cell theory has 3 main aspects which are that all living cells arise from the cells before, all living things are made up of one or more cells and cells are the building blocks of life. The cell theory helps to differentiate living cells from non-living ones.
Based on this theory, we know that the plants which are grown from the seeds and the seeds themselves are made up of cells. Both the plant and the seeds are living cells.
As all cells arise from pre-existing cells, we know that the new plant cells were made from the division of the cells present in the seeds.
Although a part of your question is missing, you might be referring to this question:
A few unidentified seeds were found in a sealed clay jar during an archaeological dig. Radiocarbon dating showed that the seeds were 725 years old. When the seeds were planted, plants grew from them. Based on cell theory, what statements (there may be more than one correct answer) can confidently be made regarding these unidentified plants and seeds?
A) Living cells inside the seeds divide to generate the new plant cells.
B) The plants are made of cells, but their seeds do not contain cells.
C) Plant cells grow spontaneously from molecules in the dead seeds.
D) Tissues in both the plants and the seeds are made of cells.
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A human male with the chromosome constitution of xxxyy would contain how many barr bodies in his somatic cells? 0 2 3 1 4
The Barr body (named after its discoverer, Murray Barr) or X chromatin, contains multiple X chromosomes that are transformed in a process called lyonization in species with XY sex determination (including humans).
Inactive X chromosome in cells with The Lyon hypothesis states that in cells with multiple X chromosomes, all but one are inactivated during mammalian embryogenesis. This happens by chance early in mammalian embryonic development , but in some extraembryonic mammals in marsupials and some placental mammals where the sperm X chromosome is always inactivated. Excluding tissue. , XX) has one Barr body per somatic nucleus, whereas genotype male (46, XY) has none. Barr bodies can be seen in interphase nuclei as dark blobs in contact with the nuclear envelope. Barr bodies are found in neutrophils at the edge of the nucleus.
In a person with multiple X chromosomes, the number of Barr bodies visible at interphase is always one less than her total number of X chromosomes. For example, people with Klinefelter syndrome (47,XXX) have one Barr body, and people with a karyotype of 47,XXX have two Barr bodies.
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A diploid cell with 5 pairs of homologous chromosomes will have how many discrete chromosomes in a germline cell (e.g. egg or sperm) after completing meiosis?
Diploid is a term that refers to the presence of two complete sets of chromosomes within the cells of an organism, with each parent contributing one chromosome to each pair.
Humans are diploid and most somatic cells contain her 23 pairs of chromosomes. However, human gametes (egg and sperm cells) contain a single set of chromosomes and are called haploid. diploid. Diploid cells have two complete sets of chromosomes. Most human cells are diploid and composed of 23 pairs of chromosomes for a total of 46 chromosomes. These are 22 pairs of autosomes and 1 pair of sex chromosomes. One copy of him for each pair of chromosomes comes from an individual's mother and one copy of him from an individual's father. Since we have two copies of each chromosome, he has two copies of each gene. Most mammals are diploid like humans, but some organisms are polyploid and have more than one set of each chromosome.
However, a regular grocery store strawberry is his octaploid, each he has 8 complete sets of 7 chromosomes, for a total of 56 chromosomes.
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What is the greatest threat to plant diversity?
a. insects
b. competition with other plants
c. pathogenic fungi
d. grazing and browsing by animals
e. human population growth
Answer:C
Explanation:
A nurse is providing breast cancer education at a community facility. the american cancer society recommends that women of average risk for breast cancer get mammograms:________
The American Cancer Society recommended that women of moderate breast cancer risk receive mammograms at the age of 40.
Breast cancer definition:Breast cancer can affect both men and women. A lump inside the breast, bloody flow from the nipple, and significant changes in the form or texture of something like the nipple or breast are all symptoms of breast cancer. Treatment is determined by the stage of cancer. It could include chemotherapy, radiation, including surgery.
Is breast cancer treatable?Breast cancer, fortunately, is highly treatable if detected early. Localized cancer (that hasn't gone beyond your breast) is frequently treatable before it spreads. When cancer spreads, treatment becomes more difficult. It can typically keep the condition under control for years.
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Which of the following helps in maintaining temperature homeostasis?
Sebaceous glands help in maintaining temperature homeostasis.
Sweat and sebum are both produced by the sebaceous glands. Each of these liquids serves a purpose in preserving equilibrium. Sweating helps the body expel minute amounts of metabolic waste while cooling the skin when it becomes hot.
Sebaceous glands are tiny oil-producing glands found in mammal skin. Typically linked to hair follicles, sebaceous glands secrete a fatty substance called sebum into the follicular duct, which subsequently travels to the skin's surface. With the exception of the palms of the hands and the soles of the feet, the glands are found all over the body, but they are most prevalent on the scalp and face.
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