Answer: The founder effect
Explanation: The high incidence of polydactyl prevalent among the Amish population could be attributed to the a case of genetic drift called the founder effect. The founder effect occurs when a small population consisting of few people separate from a much large population, just like the Amish population separating from the larger American community. Due to the few composition or small size of the population, the genetic impact or influence on members of the population is usually higher than the effect on the larger population and leading to more rapid spread. The relatively small individuals which make up the Amish population compared to the larger American community is the reason why polydactyl hmis prevent within them and since theere are no newcomers, the trend will likely continue.
Select the correct image,
Identify the molecule that is not a compound,
H
H
H
H-Si-H
N
H
H
о
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Answer:ITS H
Explanation: BECAUSE I SAID SO
Which of the following is NOT a function of receptors?
Answer:
Receptors they receive signal an initiate a response that send a specific signal onward.
Explanation:
Receptors is performed may be affected environmental factors, like light, temperature, pressure, or other receptors.
Receptors can to be change the conformation and posture response to chemical reactions by called signaling.
Most receptors the cellular parts located the part of reporter outside of the cell.
Receptor and often alter the receptor conformation, and are found membrane, and receptor are located only inside the cell.
Receptor cellular control the functions such gene transcription.
Receptor can induce growth, and death, control channels or the regulate cell, and the cell receptors depends on the type of receptors expressed.
Answer: *Olfactory receptor, taste receptor, thermoreceptors are the receptors used for the senses of smell, taste and perceive temperature stimuli. *Photoreceptors are the receptors used to detect light. They are found in rods and cones of the retina in the eye. *Pain receptors sense the pain in parts of the body.Mar 18, 2015
Explanation:
When fats are used as an energy source, the glycerol portion enters ________ when it has been converted to ________. When fats are used as an energy source, the glycerol portion enters ________ when it has been converted to ________. glycolysis; dihydroxyacetone phosphate the electron transport system; coenzyme Q glycolysis; fructose-6-phosphate the citric acid cycle; pyruvate the citric acid cycle; acetyl CoA
Answer:
glycolysis; dihydroxyacetone phosphate
When fats are used as an energy source, the glycerol portion enters the glycolysis when it has been converted to dihydroxyacetone phosphate. Thus, the correct option is A.
What is the Glycolysis?Glycolysis may be defined as the process in which glucose (sugar) is partially broken down by cells in enzyme reactions that do not need oxygen.
In order to obtain energy from fats, triglycerides must be broken down into fatty acids and glycerol through hydrolysis. The fatty acids enter to Krebs cycle and are converted into acetyl CoA.
While the glycerol portion enters into glycolysis and is converted into dihydroxyacetone phosphate.
Therefore, the correct option for this question is A.
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In human body where is liver located
Answer:
The liver is located in the upper right-hand portion of the abdominal cavity, beneath the diaphragm, and on top of the stomach, right kidney, and intestines. Shaped like a cone, the liver is a dark reddish-brown organ that weighs about 3 pounds.
Explanation:
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JUST A RANDOM GIRL WANTING TO HELP PEOPLE!
PEACE!
what new stuff can you think of that scientists have made?
Answer:
Hey there!
Recently, scientists have discovered many things. Some include: A new ink to detect fake passports, world's largest supercomputer, hyperloop technology, and even a potential vaccine for diarrhea.
Let me know if this helps :)
Significant amounts of phosphorus are found in all locations on Earth except the..
Answer:
Atmosphere
Explanation:
Phosphorus cycle in nature is a unique cycle compared to the other natural biological and chemical cycles such as the carbon, nitrogen, sulfur and water cycles, as there is no gaseous phase in the phosphorous cycle. Due to the prevailing atmospheric temperature and pressure which are not appropriate for the formation of gases associated with phosphorus, the compounds in nature where phosphorus can be found are not gases. Phosphorus can therefore be found majorly in sedimentary rocks.
The atmospheric temperature and pressure are incapable of forming phosphorus compounds, Phosphorus has not been found in the atmosphere.
Phosphorus has been the recycled in the atmosphere within the biosphere, lithosphere, and hydrosphere. In the nature, the phosphorus has been present in the sedimentary rocks, with the absorption by plants and animals.
The phosphorus cycle has been consisted of the weathering, absorption by plants and animals and return to the lithosphere with the decomposition. Since the atmospheric temperature and pressure are incapable of forming phosphorus compounds, Phosphorus has not been found in the atmosphere.
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1. The Hawaiian Islands are examples of islands that formed over a hotspot. Based on this information, which of the following processes formed the Hawaiian Islands? (2 points) Melted rock called magma rose through holes in Earth's crust and gradually solidified as it cooled. Tectonic movement forced certain segments of Earth's crust downward and other segments upward in jagged chunks. One tectonic plate moved beneath another plate at a subduction zone, causing the rock to melt and rise above Earth's surface. Segments of Earth's crust bent and doubled over, and moving wind and water gradually shaped the rock into gently sloping domes.
Answer:
The correct answer is - Melted rock called magma rose through holes in Earth's crust and gradually solidified as it cooled.
Explanation:
The Hawaiian Islands are the chain of eight major islands situated in U.S. of Hawaii. These are formed over a hot spot. About 75 million years ago such hotspot took place in the center of the Pacific Plate.
There are hot spot due to the volconic activity and in the moving over the tectonic plate of a subduction zone. Volcanic activity and overriding of plates that cause rising magma by melting the moving down plates whice leads to volcanic arcs formation. The magma that rose gradually cooled down and become solid over the time. It is an example of a large seamount and island chain created by hot-spot volcanism.
Thus, The correct answer is - Melted rock called magma rose through holes in Earth's crust and gradually solidified as it cooled.
The hard outer covering of an animal is a(n) blank
Answer:
exoskeleton
Explanation: answering spree
Answer:
The hard outer covering of an animal is a(n) exoskeleton.
Explanation:
The definition of exoskeleton is "a rigid external covering for the body in some invertebrate animals, especially arthropods, providing both support and protection."
how do i explain assimilation of glucose?
Explanation:
Is the movement of digested food molecules into the cells of the body where they are used
Example:glucose is used respiration to provide energy
Answer:
Assimilation is that process distribute to cells during absorbs and nutrients or digestion your body is known as assimilation.
Explanation:
Assimilation nutrients gets the food to your cells they used growth and repair,assimilation of nutrients in the small intestine.
Assimilation is that process important cell take nutrient from the pump and intestine into your body and his distributed in your body.
The other side intestine cell another pump that glucose into the blood and surround the intestine, glucose in the blood can its a serious problems, blood flows to the liver deliver into the glucose storage.
Glucose is delivered to all the cell in your body,liver cell can store glucose as glycogen,in your body cell use glucose to make cellular energy in body.
Glucose can contain reach small intestine down into individual sugars,like glucose,take sugar from the intestinal cells.
Assimilation is the process of vitamins, minerals and chemical food,
assimilation is the chemical alteration of substance in the liver or cellular secretions.
If the study on the relationship between W. bancrofti and Wolbachia is correct, then combined with the results of the trials, significant numbers of microfilariae do not survive in circulation beyond what time period
Answer:
6 months
Explanation:
First, we must remember that doxycline has an effect only on nematodes, but it cannot effectively prevent microfilariae presented before treatment in the blood of the infected. What we can conclude from this is that it is possible that microfilariae grow and develop, however they will not be able to reproduce, since W. bancrofti is completely dependent on Wolbachia for replication. With that, the microfilariae are running out of time and with about 6 months the patients are free of any trace of microfilariae. So we can conclude that 6 months is the longest time that microfilariae survive in circulation.
What is a defining feature of mammals that is not present in most other vertebrates?
A. Mammals can produce milk for their offspring.
B. Mammals maintain a constant body temperature.
C. Mammals reproduce through internal fertilization.
D. Mammals have a nervous system with a spinal cord.
(Pls I need help!)
Answer:
The correct answer is C. Mammals can produce milk for their offspring.
Mammals are the members of class mammalia. The word mammalia was derived from Latin word "mamma" which means "breasts" as they had a unique feature i.e. presence of mammary glands.
These glands were evolved from a special types of sweat glands and became specialized in the production of milk, especially in females.
They help the mothers in providing nourishment to the offspring.
Other features of mammals may include four chambered heart, hair and fur, three middle ear bones, etc.
Explanation:
Endometriosis occurs when endometrial tissue, which normally grows inside the uterus, grows outside the uterus. Based on the model, what effects would you expect these growths to have on the female reproductive system and on fertility?
Answer:
Endometrosis could negatively affect the probability of gestating an embryo if they are growing inward. The affection of the fallopian tubes and the uterus could alter the implantation or even generate complications for the embryo during pregnancy.
In addition, endometriosis generates painful conditions in the abdominal area to the point that it is considered as menstrual cramps during menstruation, women who suffer from this disease suffer a lot during the menstrual cycle.
Regarding the reproductive system, those female reproductive systems that suffer from this disease are considered potentially malignant, since many malignant neoplasms are incited to appear in these foci of excessive proliferation of the endometrium.
Explanation:
Endometriosis can affect the walls of the fallopian tube and the uterus, since it occurs in the endometrium, that is why it bears that name.
The macroscopic appearance of this lesion at the histological level is a tumor nodule, since they are proliferative foci.
Answer:
abnormal tissue growing on the ovaries might affect ovulation, making it harder or impossible for women to get pregnant. The extra tissue may cause pain, since the tissue is growing in places it is not meant to be growing
Explanation:
answer from plato
for edmentum
Which feature forms when magma cools beneath earths surface?
Answer:
batholiths
Explanation:
just got it right
Answer: C. Batholiths
I high statement best describes the scientist who contributed to our current body of scientific knowledge
Answer:
See the answer below
Explanation:
First, it may seem that the question is with a typographical error. I guess you wanted to ask, "Which statement best describes the scientist who contributed to our current body of scientific knowledge?"
To answer the question, anyone that has engaged in research following the established scientific method and was able to report the findings from the research by publishing it in a recognized journal has contributed to our current body of scientific knowledge.
In this regard, men and women of all races, through time have contributed to our current body of scientific knowledge.
What do nitrifying bacteria do?
Answer: Nitrifying bacteria such as Nitrosomonas play an important role in providing nitrogen to plants and limiting carbon dioxide fixation. They are found widely distributed in soil or water, where there are large amounts of ammonia, such as lakes or streams into which treated and untreated sewage is pumped.
Explanation:
Answer:
They change Nitrogen to Nitrite and ammonia. Which helps plants to use Nitrogen even though it's in another form.
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Which one of the codons below would stop the translation of mRNA by ribosomal subunits?
a ATG, AAG, AAA
b CUG, AUG, GUA
c UAG, UAA, UGA
d AUG, ATG, GTU
Answer:
c
Explanation:
UAG,UAA,UGA
I've picked the opposite of the pair used to translate mRNA
Visitors to Canada are asked to declare if
they are bringing living organisms (plants,
seeds, fruits, nuts, live animals, etc.) into
the country. Explain why it is important
to declare these organisms, even if the
visitor thinks the organism is harmless.
Do you agree or disagree, why or why not, give examples. The knowledge produced by science builds on old ideas and is constantly changing.
Answer:
agree
Explanation:
people are never going to stop learning
things will evolve
what has been discovered in the past is still relevant
The knowledge produced by science builds on old ideas and is constantly changing agree.
What is Science?Science is a methodical process that creates and arranges knowledge in the form of universe-related explanations and predictions that can be put to the test.
Some of the earliest archeological evidence for scientific reasoning is tens of thousands of years old, and science may be as old as the human species.
In the period between 3000 and 1200 BCE, Mesopotamia and Ancient Egypt produced the oldest written documents in the history of science. Greek natural philosophy of classical antiquity, where formal attempts.
Therefore, The knowledge produced by science builds on old ideas and is constantly changing agree.
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Arrange these structures in order of lower level of organization to upper level and write the level against each structure. neuron , nervous system , electron , man , mass of neuron , carbon , mitochondria , brain , protein
Answer:
electron, carbon, protein, mitochondria, neurons, mass of neuron, nervous system, brain, man
how do i explain assimilation of glucose, amino acid and lipid?
Assimilation simply means the ways by which some of the food we eat and are absorbed by the body are being converted to new protoplasm or used to provide new energy for the body.
ASSIMILATION OF GLUCOSE
The hepatic portal vein transports absorbed sugars to the liver,the excess glucose is then converted to glycogen by insulin.When needed by the body,the liver in-turn converts this glycogen to glucose so that they can be moved to the cells,from there glucose is transported to every other parts of the body so that they can provide the cells with needed energy,during cell respiration,glucose is oxidized to release energy to be used for vital activities.
ASSIMILATION OF AMINO ACIDS.
Amino acids which are end products of protein passes through the liver to all parts of the body.
When amino acids are excess in the body,they will be deaminated in the liver to form urea, amino acids aren't stored,they are used to make proteins,repair worn out cells, aids growth, formation of enzymes and hormones and conversion into new protoplasm.
ASSIMILATION OF LIPIDS
Lipids which are end products of fats and oils are transported by the lymphatic capillaries or lacteal.
When lymph comes together with fat, chyle is formed,this chyle will further be discharged into the bloodstream and will be carried by the blood.
Fats are used to alternate source of energy for the body and as well form new protoplasm like the cell membrane.
When fats are in excess,they are stored in the adipose tissue which are found around the heart, kidneys, beneath the skin,and mesenteries that binds the intestines.
Sebastian wants to make ball-and-stick models of the four macromolecules. He has colored balls for each of the elements in these molecules, including the following. red: hydrogen black: carbon purple: oxygen green: nitrogen Which molecule could he make that consists of long chains of red and black colored balls? carbohydrates lipids nucleic acids proteins
Answer:
lipids
Explanation:
There are four major biological macromolecules in living systems viz: carbohydrate, proteins, lipids and nucleic acids. These macromolecules play a significant role in the optimal functioning of every living organism. Like every other polymer, these macromolecules are made up of simpler units called monomers that defines their chemical structure. In turn, the monomers consists of chains of chemical elements held together.
According to the question, Sebastian has colored balls that represents the elements contained by each of these macromolecules. The colored balls and the elements they represent are as follows: Red: hydrogen, Black: carbon, Purple: oxygen, and Green: nitrogen.
Lipids are structurally made up of fatty acids and glycerol, which are long chains of carbon and hydrogen elements with a relatively small percentage of oxygen in the structure. An example is palmitic acid, which has a structural formula: CH3(CH2)14COOH
Hence, Sebastian could make a LIPID macromolecule, which consists of long chains of red (hydrogen) and black (carbon) balls since lipids are mostly made up of carbon and hydrogen elements in their structure.
Carbohydrates are composed of more percentage of oxygen in their structure. Hence, a long chain of only red (hydrogen) and black (carbon) balls cannot make them. Proteins and nucleic acids are made up of additional nitrogen and phosphorus elements in their structure.
Answer:
B. Lipids
Explanation:
Lipids contain carbon and hydrogen.
Three living species X, Y, and Z share a common ancestor T, as do extinct species U and V. A grouping that consists of species T, X, Y, and Z (but not U or V) makes up Three living species X, Y, and Z share a common ancestor T, as do extinct species U and V. A grouping that consists of species T, X, Y, and Z (but not U or V) makes up a polyphyletic group. an ingroup, with species U as the outgroup. a paraphyletic group. a monophyletic clade. a valid taxon.
Answer:
Explanation:
Creative Bioarray has developed and validated the 3T3 neutral red uptake photoxicity assay, erythrocyte hemolysis assay and a phototoxicity screening assay using 3D human epidermis model.
https://dda.creative-bioarray.com/pharmacology-models.html
Describe the characteristics of scientific inquiry.
Answer:
Learner Engages in Scientifically Oriented Questions.
Learner Gives Priority to Evidence in Responding to Questions.
Learner Formulates Explanations from Evidence.
Learner Connects Explanations to Scientific Knowledge.
Learner Communicates and Justifies Explanations.
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Plants respond to changes in their environment. They detect gravity, light, touch, and seasonal changes, and respond to these stimuli in many ways. Which statement best explains this flexibility in response? A) Phenotypes are controlled by one gene that codes for multiple regulatory proteins. B) The genes that regulate plant responses can be expressed in different ways. C) The genes that regulate plant responses can mutate to adjust to environmental changes. D) Phenotypes control the genotypes of individuals, determining plant responses.
Answer:
B)
Explanation:
Plants have the ability to detect the changes in their environment and respond accordingly. Plants' responses to stimuli is due to the genes that regulate plant responses can be expressed in different ways.
Genes code for hormones and support transport of hormonal synthesis in plants. Plants hormone such as auxin promotes different changes in plant growth in response to light, gravity, touch or seasonal changes and the auxin respond due to transport inhibitor response 2 gene.
Hence, the correct answer is "B".
Which best explains a desirable outcome for energy efficiency? A) a low second law efficiency due to use of a low efficiency furnace B) a high second law efficiency due to use of a low efficiency furnace C) a high second law efficiency due to use of solar panels on the house D) a low second law efficiency due to use of solar panels on the house
Answer:
C. a high second law efficiency due to use of solar panels on the house.
Explanation:
Second Law efficiency is the rational efficiency that computes the effectiveness of the system relative to its performance. The efficiency measure is the increase in output with the same level of input. Energy efficient system are high second law efficiency. They save electricity and use alternative sources like, solar panels, wind energy and others.
Observation: The bee's wings are moving very fast.
The bee's wings are much smaller than its body.
Which question is based on these observations?
A. Do bees fly faster before or after feeding?
B. How are bees affected by weather changes?
O C. Do bees prefer warm or cold climates?
O D. At what time of day do bees eat?
Hey There!!~
Your best answer choice is A) Do bees fly faster before or after feeding?
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By ☆°Itsbrazts☆°
Answer:
A
Explanation:
Ap3x
what are the challenges faced by the role of climate on crop production?
Answer:
Climate on crop production contribute to the greenhouse effect and climate change and impacts on agriculture production.
Explanation:
Crop production of climate change is likely to change food security in the future, all people and economic to sufficient and safe an active life.
Climate change is to contribute to food prices and food production, and expensive climate change increase energy prices,production may increased crop water and suitable production.
Agriculture and food product system is a major process source of gas,could increase products,yield of crop restricted by the extreme events.
Productivity can also effects on the immune system them certain diseases,in animals are productivity and fertility.
Crop level to climate change is expected be in future changing crop irrigation practices,crop production under global change.
Climate change extreme events have been and strategies suggest to help maintain production and restoring farm type, crop, food systems, crop that stress tolerance.
According to the graph, which statement below is true?
A. This enzyme works equally well at all temperatures.
B. This enzyme works best at 10 degrees Celsius.
C. This enzyme works best at 45 degrees Celsius.
D. This enzyme works best at 60 degrees Celsius.
The rate of enzyme activity is at its highest when the temperature is 45°C. Thus option C is correct.
What are the factors affecting enzyme activity ?The optimum temperature for most of the enzymes is between 25-35°C and above 50°C leads to destruction of enzymes
The rate also increases with increased enzyme concentration up to the saturation point
Enzymes work at their optimum pH. The rate of enzymatic reaction depend on substrate concentration.
The accumulation of the products decreases the activity of enzymes, as they combine with the active site of enzymes by forming a loose complex and inhibits the activity of enzymes.
Some chemical substances like co-factors, potassium ion (K⁺), manganese ion (Mn²⁺) can increases the enzyme activity.
water increases the reaction rate. Light increases the reaction rate in some enzymes but harmful radiation like UV rays and X-rays decreases activity.
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What kind of membrane do chloroplasts have?
The scientist has chosen to study the motion of clouds in the atmosphere during a thunderstorm which type of model is most appropriate for her investigation
Answer: COMPUTER SIMULATION
Explanation: Computer simulation is a model that helps to scientists to have a clear and better understanding and be able to effectively predict the occurrence of future outcomes of real physical situations.
Computer simulation makes use of mathematical models to effectively analyse and predict future occurrences which helps the world to be better prepared and able to effectively manage physical and real world situations.
