Why does most of the absorption occur in this organ and not earlier in the GI tract?
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Nitrogen fixing bacteria living in nodules on the roots of legumes convert N2 to provide the legumes with a form of nitrogen they can make into proteins. The bacteria in turn receive carbohydrates from the legumes that they can use as food. This is a type of symbiosis known a Group of answer choices
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The type of symbiosis described in the question is called mutualism.
Mutualism is a type of symbiotic relationship where both organisms benefit from the interaction. In this case, the legumes benefit from the nitrogen fixation provided by the bacteria, which enables them to make proteins, and the bacteria benefit from the carbohydrates provided by the legumes, which serve as a source of food. The relationship between the legumes and the nitrogen-fixing bacteria is an important example of mutualism in nature, as it allows both organisms to thrive and is essential to the health of many ecosystems. This relationship is also beneficial for agriculture, as legumes are often grown as crops because they have the ability to fix nitrogen and can thus improve soil fertility. Overall, mutualistic relationships like this one are important to the functioning of many ecosystems, and they demonstrate the complex interdependence of different species in nature.
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NEED HELP ASAP!!! WILL GIVE BRAIBLIST FOR FULL ANSWER!!! TY PROJECT: CLASSIFYING FRUIT
A key is a sorting device that lists choices between certain observed characteristics. A dichotomous key is the simplest means of identification. The word dichotomy means "cut or split into two parts." Hence, a dichotomous key is a two-part or two-choice key. It asks whether a particular organism has one trait or another—either yellow or brown, either large or small, etc. For this project, you will create a dichotomous key to classify eight different fruits and determine if it works.
Procedure:
Look back in the previous lesson to look at an example of a dichotomous key or you can research using the internet to gain a better understanding of it.
You will need to choose five different identifying characteristics that you can use to classify fruit.
You will choose eight different fruits that you have on hand or you can research about the different fruits you want to include in your key.
Once you have created your key, give it to a friend or someone in your household to determine if your key works.
Assignment Requirements:
Type up your dichotomous key below in the Question #1 box and answer the following questions:
Why did you choose the five identifying characteristics you used in your dichotomous key?
Was the person who you gave your key to able to accurately identify the fruit? Explain why or why not.
What two other fruits could your dichotomous key work for?
What other category of items could you create a dichotomous key for?
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My Dichotomous Key for Identifying Fruits:
1a. Has a rough exterior texture, brown in color - Pineapple1b. Has a smooth exterior texture, yellow in color - Go to 22a. Has a curved shape, about the size of a human fist - Banana2b. Has a round shape, about the size of a ping pong ball - LemonI chose the five identifying characteristics based on the external physical features of the fruits that are easily distinguishable, even for someone who is not familiar with them. The rough or smooth texture of the exterior, color, and size are some of the most noticeable characteristics that can help to differentiate fruits.
The person who I gave the key to was able to accurately identify the fruit because the key was straightforward and easy to follow. The characteristics were clear and concise, making it simple to determine which fruit matched the description.
What is the keys about?The dichotomous key could work for oranges and grapefruits as they both have a similar rough texture on the exterior, but differ in color and size.
Therefore, Another category of items that a dichotomous key could be created for is identifying different species of trees in a particular area. The key could include characteristics such as leaf shape, bark texture, and type of fruit or seed produced.
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32. Identify the reactant(s) in the chemical reaction, CO₂ + H₂O → H₂CO3. a. CO₂, H₂O, and H₂CO3 b. CO₂ and H₂O H₂CO3 d. CO₂
Answers
H2O AND CO2 are the reactants of this reaction.
What is reactant and product?Chemical compounds known as reactants are those that take part in chemical reactions and produce new substances known as products. The new compounds that are created in a chemical reaction between reactants are called products. H2+O2→H2O.
How do you identify reactants?Reactants are the substance(s) in a chemical equation to the left of the arrow. A component that is present at the outset of a chemical reaction is known as a reactant. Products are the substance(s) to the right of the arrow.
How do we define a chemical reaction?A chemical reaction is the transformation of one or more chemicals, known as reactants, into one or more new compounds, known as products. Chemical components or compounds make up substances.
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Transpiration is
B. The absorption of water through the roots
A. Simple diffusion
C. The evaporation of water out of the stomata of plants
D. The evaportation of water out of the roots
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Answer:
I HOPE IT HELPED THANKS
utero-, metro- and hystero- (uter/al; endo/metr/itis; hyster/ectomy) mean:
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The prefixes "utero-", "metro-", and "hystero-" are derived from Greek and are commonly used in medical terminology to refer to different aspects related to the uterus. Here's what each prefix signifies:
1. Utero-: The prefix "utero-" refers to the uterus, which is a female reproductive organ where fetal development takes place during pregnancy. For example, "uterine" refers to anything related to the uterus, such as the uterine lining or uterine contractions.
2. Metro-: The prefix "metro-" also pertains to the uterus. It specifically relates to the inner lining or endometrium of the uterus. For instance, "endometritis" is the inflammation of the endometrium, the inner lining of the uterus.
3. Hystero-: The prefix "hystero-" is synonymous with "utero-" and refers to the uterus as well. It is commonly used in medical terms to denote procedures or conditions related to the uterus. For example, "hysterectomy" is the surgical removal of the uterus.
These prefixes help in constructing medical terms and indicate the involvement of the uterus or its various components in different medical conditions, procedures, or anatomical descriptions.
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what is meant by locomotor skill
Answers
Answer:
Body moving from one place to another in a vertical plane. Develop bodily control. Walking, running, leaping, jumping, hopping, galloping, sliding, & skipping.
Explanation:
A substance that is recognized as foreign or nonself is? 1. immunoglobulins. 2. lymphocytes 3. antibodies. 4. antigens
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A substance that is recognized as foreign or non-self is antigens; option 4
What is the immune system?The immune system is a system in the body whose primary function is to defend the body against attack or invasion from foreign agents which are more likely than not to cause diseases.
In some instances though, some foreign agents recognized by the body may not be disease-causing agents.
The components of the immune system include the following:
immunoglobulinslymphocytesantibodiesAntibodies are proteins that protect you when foreign agents enters your body. Antibodies usually bind to antigens which are foreign substances.
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people can die when they inhale gases from burning charcoal in poorly ventilated rooms .what compound is formed in the human body that leads to death?
Answers
Answer:
carboxyhemoglobin
Explanation:
When Carbon monoxide reacts with haemoglobin in the blood, it forms carboxyhemoglobin which prevents the normal flow of oxygen and then it damages the central nervous system and also causes anoxia which could lead to death
BRAINELIST!!! I NEED ASAP
The glands of the endocrine system deliver hormones' to various or your body. The hormone regulate various process that occur throughout an organisms life cycle. Which of the follow best represents processed regulated by the endocrine system?
A) digestion and nutrient absorption
B) photosynthesis and cellular respiration
C) metabolism, white blood cell production, and insulin regulation
D) growth, adrenaline response, and metabolism
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Answer:
C) metabolism, white blood cell production, and insulin regulation
I think that's the answer.
The question is in the screenshot
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Answer: A D F J
Explanation:
I THINK IM RIGHT HAVE A GREAT DAY
The true statements about the uses of fossil fuels are: A. some are burned to power vehicles. D. they are burned to generate electricity. F. they are burned to generate heat energy. H. some are made into plastics.
What are Fossil fuels?An energy source that is not renewable, fossil fuels are created from the remains of extinct plants and animals. Natural gas, oil, and coal are the three most widely used fossil fuels.
Fossil fuels are used for a variety of things, such as manufacturing, heating, electrical generating, and transportation.
Energy is released during the burning of fossil fuels, and it can be used in a variety of ways. Electricity, which is produced by burning fossil fuels, is used to run factories, businesses, and residential buildings. Moreover, they are burned to create heat energy for inside home and building heating. Certain fossil fuels are also used to power transportation devices like cars and airplanes.
Plastics, which are widely used in many industries, are also produced using fossil fuels. Petroleum, a fossil fuel used to create plastics, is transformed into a variety of plastics through chemical processes.
In conclusion, fossil fuels have a wide range of applications and are crucial to contemporary society. Fossil fuel combustion, however, results in the release of greenhouse gases, which accelerate climate change. To lessen our reliance on fossil fuels and lessen their detrimental effects on the environment, it is crucial to research and invest in renewable energy sources.
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an alternative version of a gene that determines a specific trait is called a(n)AlleleGeneLocusChromosomes
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"The correct answer is Allele
An alternative version of a gene that determines a specific trait is called an allele. Alleles are different variations of the same gene that occur at the same location or locus on a chromosome.
Chromosomes are thread-like structures that contain genetic information in the form of genes, which are segments of DNA that code for specific proteins or traits. Each chromosome contains many genes, and each gene can have different versions or alleles.
For example, the gene for eye color has multiple alleles, including brown, blue, green, and hazel. These different alleles produce different versions of the protein that determines eye color, resulting in the wide range of eye colors seen in humans.
Alleles can be dominant or recessive, meaning that one allele may be expressed or ""seen"" in the phenotype (physical traits), while another allele may be hidden or not expressed. Dominant alleles are expressed even if only one copy is present, while recessive alleles require two copies to be expressed.
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What is the chemical reaction between oxygen and glucose that releases energy into cells?
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Answer: The chemical reaction between oxygen and glucose that releases energy in cells is called cellular respiration. This process occurs in the mitochondria of cells and involves several steps, including glycolysis, the citric acid cycle, and the electron transport chain.
Glycolysis is the first step of cellular respiration, during which a molecule of glucose is broken down into two molecules of pyruvate, releasing a small amount of energy in the form of ATP (adenosine triphosphate). The citric acid cycle, also known as the Krebs cycle, is the second step of cellular respiration, during which pyruvate is further broken down and more ATP is produced.
The final step of cellular respiration is the electron transport chain, which occurs in the inner membrane of the mitochondria. During this step, electrons are transferred from molecules of NADH and FADH2 to oxygen, releasing a large amount of energy in the form of ATP. The oxygen used in this process is the oxygen we breathe in, and the glucose comes from the food we eat.
Overall, cellular respiration is a series of chemical reactions that converts glucose and oxygen into energy, releasing carbon dioxide and water as byproducts.
Explanation:
Mitochondrion definition
Answers
Answer:
an organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur. It has a double membrane, the inner layer being folded inward to form layers (cristae).
Explanation:
What organelle is responsible for storing water and other liquids in a plant cell.
Answers
Answer:
I believe that that is a vacuole
Since carbon dioxide, like most gases, is more soluble in cold water than warm water, which organism (corals or pteropods) will be the first to be affected by ocean acidification?
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Ocean acidification is a phenomenon that has become prevalent in the last few decades. It is caused by carbon dioxide in the atmosphere, which is dissolved in seawater to form carbonic acid, reducing pH levels in the ocean. Coral and pteropod shells, which are made of calcium carbonate, are some of the most vulnerable organisms to this process.
As carbon dioxide dissolves in seawater, it causes a decrease in pH levels, which in turn causes calcium carbonate to dissolve at a faster rate. Since carbon dioxide is more soluble in cold water than warm water, the organisms that will be the first to be affected by ocean acidification are pteropods.
The ability of coral and pteropods to build their shells is jeopardized as ocean acidification increases. If this process persists, the integrity of coral reefs and pteropod shells will be destroyed. Since pteropods are more vulnerable to ocean acidification than corals, the situation has more dire implications for them.
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What’s an example of a mutualism ecological relationship in a tundra biome?
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Answer:
Answer. Mutualism: One example of symbiotic mutualism in the tundra biome involves lichens. Lichen does look like moss but actually represents a symbiotic relationship between fungi and algae or algae. The fungus "eats" the sugar in the algae for photosynthesis and the algae receives protection from the fungus.
Substance A has a specific heat capacity of 0.452 J/g℃, Substance B has a specific heat capacity of 2.64 J/g℃. If an equal mass of both substances at room temperature was placed in a heated room, which substance would you expect to heat up faster?
Substance A or B?
Answers
The substance would you expect to heat up faster is Substance A, which has a specific heat capacity of 0.452 J/g℃.
What is specific heat capacity?The specific heat capacity is the amount of heat necessary to elevate 1 degree 1 kg of the substance. Its unity is J/gºC. We can calculate the heat that changes the temperature of a substance by the equation:
Q = mcΔT
Where Q is the heat, m is the mass, c is the specific heat capacity, and ΔT is the change in the temperature.
Thus, Substance A, has a specific heat capacity of 0.452 J/g℃.
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1
TIME REMAINING
58:58
Bacteria are organisms that need to be viewed with a microscope. Darla designed a model of bacteria using household
items such as macaroni and string.
Which best describes the advantage of her model?
O She was able to represent something small in a larger way.
O She was able to represent something large in a smaller way.
O She made the model so she could then use the microscope.
O She made the model so she could notice patterns.
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Answer: A . she was able to represent something small in a larger way .
Plants are different from animals because
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Answer:
Plants and animals share many characteristics, but they are different in some respects. Animals usually move around and find their own food, while plants are usually immobile and create their food via photosynthesis. ... Animal cells absorb nutrients from food, while plant cells use plastids to create energy from sunlight.
Explanation:
Using the data, choose one of the 3 possible problems below. Justify your choice by writing a hypothesis to explain how it has stopped Claire from breaking down her food. The hypothesis is your first explanation. You will be able to revise it as you do more experiments.
Answers
Low Enzyme Production is the reason for no breaking down of food.
If the digestion of food did not occur so it means that there is low enzyme production because enzymes are responsible for the breaking down of food substances into simpler ones in order to absorb by the cells for the generation of energy in the form of ATP. So we can conclude that low enzyme production is the only reason for the stopping of breaking down or digestion of food.
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2. Assume that crossing over does not occur in the region of each chromosome that is associated with the centromere. You have 46 centromeric regions in each cell, 23 that are copies of the DNA in your mother’s egg and 23 that are copies of the DNA father’s sperm. Show your work for A,B,C a. For any given gamete, what is the probability that all the centromeric regions (chromosomes) will be copies of the same ones that you received from your mother? b. It has been estimated that the average person is heterozygous for at least 2,000 protein forming genes. How many different kinds of gametes is it theoretically possible for each person to produce? c. Considering the maternal and paternal origin of the centromeric regions alone, how many different kinds of gametes can you produce?
Answers
Answer:
See below
Explanation:
A. centromeric regions from mother in one cell: 23
total number of centromeric regions in one cell: 46
for every centromeric region that is inherited by the gamete, there is a 0.5 probability that it is from the mother. Hence, if all are from the mother:
0.5 ^ 23 = 1.19 x 10^(-7)
B. Heterozygous for 2000 genes means 4000 possible alleles.
2 ^ 4000 = 1.3 x 10^(1204)
C. 2 ^ 46 = 7.03 x 10^(13)
In which trophic level do we find consumers?
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Answer:
Beginning in level 2, and also anywhere above that
Explanation:
What are characteristics of carbon? Check all that apply
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Answer:
Carbon is a non-metallic element with a chemical symbol of C. It is the fourth most abundant element in the universe, and the 15th most abundant element in the Earth's crust. ... Carbon belongs to Group 14 of the periodic table. Its atomic number is 6 and it has an atomic weight of 12.011
At what point does homeostasis of blood glucose break down in Type I Diabetes
mellitus?
1. effector
2. control center
3. Receptor
Answers
Option(2) is the correct option.In Type 1 Diabetes Mellitus, the breakdown of homeostasis of blood glucose primarily occurs at the level of the control center, which is responsible for regulating blood glucose levels.
Homeostasis is the body's ability to maintain stable internal conditions, and in the case of blood glucose, it involves keeping glucose levels within a specific range. Normally, the control center for blood glucose regulation is the pancreas, which produces and releases the hormone insulin in response to rising blood glucose levels.
In Type 1 Diabetes, the immune system mistakenly attacks and destroys the insulin-producing cells in the pancreas. As a result, the pancreas is unable to produce sufficient insulin or any insulin at all. Without insulin, glucose cannot enter cells to be used as a source of energy, leading to elevated blood glucose levels (hyperglycemia).
This malfunction in the control center disrupts the feedback loop that regulates blood glucose levels. In a healthy individual, when blood glucose rises, insulin is released to facilitate the uptake of glucose by cells, which helps bring down blood glucose levels.
The receptor and effector components of homeostasis (option 1 and option 3) can still function properly in Type 1 Diabetes. Receptors in the body, such as specialized cells in the pancreas and other tissues, can detect high blood glucose levels.
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Membrane walls of living cells have surprisingly large electric fields across them due to separation of ions. (Membranes are discussed in some detail in Nerve Conduction—Electrocardiograms.) What is the voltage across an 8.00 nm–thick membrane if the electric field strength across it is 5.50 MV/m? You may assume a uniform electric field.
Answers
The voltage across an 8.00 nm–thick membrane if the electric field strength across it is 5.50 MV/m is 44.0 mV.
To calculate the voltage across an 8.00 nm–thick membrane if the electric field strength across it is 5.50 MV/m, we know that
Electric field strength, E = 5.50 MV/mThickness of the membrane, d = 8.00 nm = 8.00 × 10⁻⁹ mThe formula to calculate voltage is:
Voltage, V = Ed
Here, the electric field is uniform. So, the formula holds true.
Substitute the given values in the above formula, and we get:
V = Ed
= 5.50 MV/m × 8.00 × 10⁻⁹ m
= 44.0 mV
Therefore, the 8.00 nm–thick membrane voltage is 44.0 mV.
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Where is the highest risk of earthquakes in the U.S.?
a California
b Washington D.C.
c Arkansas
D Utah
Answers
Answer: A
Explanation:
California has many earthquakes.
Describe the cell structure of a typical animal cell. Give the functions of each part of the cell structure.
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A typical animal cell consists of cell membrane, a well developed nucleus, and cell organelles.
What is a cell?A cell is a basic fundamental structural and functional unit of the body.
A typical animal cell consists of:
Cell membrane: it is required to protect the cell from incoming foreign substances and also prevent the unwanted movement of materials from inside to outside of the cell.Cytoplasm: it is the fluid part of the cell that contain several cell organelles like endoplasmic reticulum, Golgi bodies, ribosome, lysosomes, etc.Nucleus: it is the brain of the cell that controls each and every activity of the cell. It contains genetic material in the form of chromatin material.Thus, this is a typical animal cell structure.
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Describe the first (pioneer species) seral stage of primary succession:
Answers
The first seral stage of primary succession is characterized by the presence of Pioneer species. These are typically hardy and adaptable organisms that are able to establish themselves in areas that have been completely cleared of vegetation, such as after a volcanic eruption or a glacier retreat.
Pioneer species are usually small and have short life cycles, and are able to thrive in harsh environmental conditions that would be too extreme for other plants. Examples of pioneer species include lichens and mosses, which can grow on bare rock and soil and help to break down the surface and create soil for other plants to grow in. As the pioneer species begin to colonize the area, they start to create conditions that are more favorable for the establishment of other plant species, and the process of succession continues with the development of new communities of plants and animals over time.
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If your intake was higher in soluble fiber it would impact your health in the following way(s): increase transit time of food through GI tract increasing risk for constipation control blood glucose levels reduce blood cholesterol levels
Answers
Soluble fiber can impact one's health in the following ways if their intake was higher it increases the transit time of food through the GI tract, increases the risk for constipation, control blood glucose levels, and reduce blood cholesterol levels. Thus, all of the options are correct.
Soluble fiber is fermented by bacteria in the gut, which results in increased transit time of food through the GI tract. Because soluble fiber slows down digestion, it keeps you feeling full for longer, which helps you eat less and control your weight.
Increasing the risk for constipation: Soluble fiber, when combined with water, softens the stool and increases its volume, making it easier to pass. If a person does not consume enough water while increasing their intake of soluble fiber, it could lead to constipation. One must drink enough water to prevent constipation.
Control blood glucose levels: When soluble fiber enters the digestive tract, it slows down the digestion and absorption of carbohydrates. This results in a slower and more controlled release of sugar into the bloodstream. Soluble fiber also reduces the risk of insulin resistance, a precursor to type 2 diabetes.
Reduce blood cholesterol levels: Soluble fiber binds with bile acids in the intestine, preventing them from being reabsorbed and ultimately excreted. To replace lost bile acids, the liver must make more from cholesterol. As a result, cholesterol levels in the blood drop, lowering the risk of heart disease.
Thus, the correct options are A, B, C, and D.
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Which structure is not a part of the cytoskeleton
a)mircotubules
b)centrosomes
c)mircofilaments
d)centrioles
Answers
Answer:
it has everything in the list
Explanation:
The cytoskeleton. Microtubules, microfilaments (actin filaments), and intermediate filaments. Centrioles, centrosomes, flagella and cilia.
Hello,
Question:- Which structure is not a part of the cytoskeleton?
Answer:-
The above listed Microtubules, centrosomes, microfilaments and centrioles are the structures of Cytoskeleton.