Explanation:
An endothermic reaction is a chemical reaction that absorbs (or use) energy overall.
An exothermic reaction is a chemical reaction that releases energy by light or heat.
If the top level consumers were eliminated from a food web would the populations in the levels below them increase without bounds why or why not
If the top-level consumers were eliminated from a food web, then the populations in the levels below them would decrease due to the disequilibrium in the homeostasis of the ecosystem.
What does the homeostasis of the ecosystem mean?The expression homeostasis of the ecosystem makes reference to all relationships between biotic and abiotic factors in an ecosystem which are fundamental to maintaining the state of internal equilibrium of complex biological ecosystems.
The elimination of top consumers in a trophic chain will lead to the disequilibrium of the ecosystem because it would produce an increase in the organism located immediately below, and then organisms located at two trophic levels below would decrease as a consequence of the increase in the number of consumers.
Therefore, we can conclude that ecosystems are delicate complex biological systems where all trophic levels are related and maintain an equilibrium.
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Other than oxygen the level of what substance needs to be maintained to give cells a constant supply of energy
Answer:
glucose
Explanation:
its stored in the mitochondria as Adenosine 5'-triphosphate
What could you add to this model to show the role of photosynthesis and cellular
respiration in the cycling of carbon among the biosphere, atmosphere, hydrosphere, and geosphere?
In order to show the role of photosynthesis and cellular respiration in the cycling of carbon among the biosphere, atmosphere, hydrosphere, and geosphere, we would explain how they are important to the carbon cycle.
This is because the carbon cycle helps recycle carbon into the atmosphere and cellular respiration helps to release carbon dioxide and the use of photosynthesis pulls off the carbon dioxide from the atmosphere.
What is Photosynthesis?This refers to the process through which green plants generate food through the use of sunlight.
Hence, we can see that the role of photosynthesis and cellular respiration has been explained above.
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hemoglobin kansas (described by bonaventura and riggs in 1968) is a hemoglobin variant in which a thr residue is substituted for asn at residue 102 of the β chain. this mutation destabilizes the r state.
Poor oxygen affinity hemoglobin (Hb) Kansas is a hereditary hemoglobin variant that is linked to low oxygen saturation on pulse oximetry (SpO2).
Describe hemoglobin:Red blood cells include the protein hemoglobin, which transports oxygen to your body's organs and tissues and carbon dioxide from those tissues back to your lungs. You have a low red blood cell count if a hemoglobin test finds that your hemoglobin level is lower than normal (anemia).
What primarily causes low hemoglobin?To manufacture hemoglobin, the component of the red blood cell that carries oxygen to your organs, your bone marrow needs iron. Lack of iron in the diet, particularly in young children, teenagers, vegans, and vegetarians, can lead to anemia. certain medications, meals, and caffeinated beverages.
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The complete question is -
Hemoglobin Kansas (described by Bonaventura and Riggs in 1968) is a hemoglobin variant in which a Thr residue is substituted for Asn at residue 102 of the beta-chain. This mutation destabilizes the R state. Which graph could represent hemoglobin Kansas dissociation curve?
order the levels of organization from smallest (top) to largest (bottom)
A living thing
A collection of one species in a habitat
All species living in an area
Everything in a location, both living and nonliving
Briefing :An organism is a living thing. A living region only contains one species of the same species. The term "all species residing in a place" refers to all local organisms. An area's biotic and abiotic components both comprise living and nonliving elements.
What are the five organizational tiers of an ecosystem?Researchers in the field of ecology focus on five major levels: organism, population, community, ecosystem, and biosphere. These levels are sometimes studied separately and other times they overlap.
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I understand the question you are looking for :
order the levels of organization from smallest (top) to largest (bottom)
A group of the same species in a living area, all living and nonliving things in an area, a living thing, all species living in an area
how long is the auditory canal
Need help answer all 5 questions asap I need to turn it in 15 minutes some please help giving 30 points
Answering all 5 questions:
Answer 1: As shown in the picture- deer is one such biotic factor and water is an abiotic factor.
Answer 2: As an organism's survival, both biotic and abiotic play crucial parts in every organism's life. Abiotic factors are limited on this earth and with the growing population of organisms ( plants and animals), competing for getting basic things needs to become an edge for survival by parasitism, mutualism, and commensalism.
2 biotic factors like plants(food) and animals( meat) and 2 abiotic factors like soil and water- with these 2-2 biotic and abiotic factors, human beings as an organism compete with other human beings for survival.
Answer 3: Plants cannot move, however, from the germination of a seed to a fully grown-up tree, it requires space, sunlight, water, minerals, and air for which plants also compete with other trees and even with human beings for water consumption and space.
Answer 4: If animals living in arctic regions start experiencing global warming effects, they do three things: move, adapt or die. In adaptation, to the change in temperature, arctic animals may change their behavior and become less vulnerable to heat. They may also witness some body shape changes within themselves.
Answer 5: food chain is a chain of organisms where one organism acts as food for another organism to maintain the population of each organism. While food web is a collection of all food chains that exist in the ecosystem from an ant to a big elephant or a powerful lion.
Food chain and food web help in balancing the whole biodiversity of the environment.
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An author’s main opinion in an argumentative text is the
Answer: An author's main opinion in an argumentative text is the claim.
Explanation:
A gene has three exons that are 140, 230, and 130 bp, respectively. Intron 1 is 125 bp and intron 2 is 95 bp. How long is the properly spliced mature rna transcript?.
The properly sliced mature RNA transcript will be 500 bp long due to the presence of exons.
Exons are the part of the genome that encode for the genetic information. These are present in a fully mature RNA as they are essential for the formation of protein. If a gene contains three exons with length 140, 230, and 130 bp, then the length of its mature RNA will be the sum total of all the exons only. Therefore the length is 500 bp.
Introns on the other hand are the sections of the gene that are removed by the process called splicing. However they are still important as they provide the opportunity to the gene for making various different combinations. Thus, introns have evolutionary significance.
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Scientists grow yeast in solutions of varying pH levels to determine the effect of pH on the rate of anaerobic respiration by measuring the quantities of product made by the yeast in each solution. Since yeast typically grow better in acidic environments, the scientists test a pH range of 3-6 with all other conditions held constant. They collect and plot the experimental data in a graph.
At a pH of 5, the concentration of ethanol is the greatest so alcoholic fermentation is taking place at a fastest rate.
What is pH?This is referred to as power of hydrogen and it is the measure of the acidity or alkalinity of a substance. pH of 7 is referred to as being neutral while pH of 1-6.9 is regarded as being acidic.
Fermentation on the other hand is a chemical process which involves the breakdown of glucose anaerobically. This means in the absence of oxygen and the product is ethanol which is how various types of beer are made in industries.
From the graph , we can deduce that the concentration of ethanol is highest at pH of 5. This therefore means that the alcoholic fermentation is taking place at a fastest rate and is therefore the reason why option C was chosen as the most appropriate choice.
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Which organ is best described as one in which there are some cells, there is more ground substance than extracellular fibers, and the ground substance is solid at maturity?.
Answer:
The femur or thigh bone. It's the longest, strongest bone in your body. It's a critical part of your ability to stand and move. Your femur also supports lots of important muscles, tendons, ligaments and parts of your circulatory system.
Explanation:
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in biology, fitness describes an organism's ability to survive and reproduce. classify each example of inherited variation as acting to increase or decrease an organism's fitness. you are currently in a sorting module. turn off browse mode or quick nav, tab to items, space or enter to pick up, tab to move, space or enter to drop. increases fitness decreases fitness
In biology, fitness describes an organism's ability to survive and reproduce. According to Darwin's those organisms have greater fitness which are better adapted to live.
Darwin's idea of evolution, those organisms have greater fitness which are better adapted to live in an environment and which can adapt to changes in an environment. These organisms then pass their characteristics to their off springs. Increases fitness- A dark-colored moth is able to avoid predation on black-barked trees- Red male beetles are preferred by females over other color variants- A mouse with certain kidney adaptations requires less water Decreases fitness- Small-baked finches are less capable of eating large seeds- Bright orange beetles are more likely to be seen by the birds that eat the beetles.
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The question was incomplete. Check below the full question.
In biology, fitness describes an organism's ability to survive and reproduce. Classify the following examples of inherited variations as acting to increase or decrease an organism's fitness- A dark-colored moth is able to avoid predation on black-barked trees- Bright orange beetles are more likely to be seen by birds that eat the beetles- Small-beaked finches are less capable of eating large seeds- Red male beetles are preferred by females over other color variants- A mouse with certain kidney adaptations requires less water in the desert.
Which kingdom does this organism most likely belong?
A. Plantae
B. Animalia
C. Fungi
D. Protista
PLS HELP
Write a minimum of three paragraphs to explain how your favorite organism demonstrates the eight characteristics of life.
WRITE USING THE BACTERIA CAUSE IT IS MY FAVORITE ORGANISM.
Answer:
The bacteria in our our bodies help degrade the meals we eat, help make vitamins on hand to us and neutralize toxins, to identify a few examples[7]; [8]. Also, they play an imperative function in the defense against infections by protecting colonized surfaces from invading pathogens[8]; [9]. What are bacteria? What is the definition of bacteria in biology? Bacteria are described as organisms that are microscopic, unicellular, independently reproducing, and on the whole free-living. Bacteria are ubiquitous in nature. They are structurally easy however functionally complex organisms that shape the foundation of all life on earth. Most bacteria, barring a few, are beneficial for their environment. They play a variety of vital roles in the ecosystem such as breaking down the toxic components, recycling the nutrients, fixing nitrogen in the soil from the air, amongst many others.
cyclodextrins are a group of compounds capable of removing cholesterol from membranes. the effect most likely to have a large impact on cells as a result of cyclodextrin treatment would be
Increased membrane fluidity at higher temperatures would be the effect of cyclodextrin treatment that is most likely to have a significant effect on cells.
What is cholesterol?A lipid that is essential for a healthy body and for the proper operation of cells. It is produced naturally in the liver and is absorbed from food as it travels through the intestines. All cells require it, and the bloodstream carries it.
A fluid buffer, cholesterol has this function. By preventing the membrane from getting too close, it keeps it more fluid even in extremely cold temperatures. It loses fluidity when the temperature is too high.
How does cholesterol function within the plasma membrane?It stabilizes the plasma membrane by preventing the phospholipids from moving around too much. Between the heads of the phospholipids, the OH group extends to the hydrophilic membrane surface.
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If glucose is the sole energy source for cellular respiration in an animal, what proportion of the carbon dioxide exhaled is derived from oxidation of pyruvate to acetyl coa?.
The oxidation of pyruvate to acetyl CoA yields 1/3 carbon dioxide on glycolysis.
Glycolysis occurs in the cytoplasm and results in pyruvate. Pyruvate oxidation takes place in the mitochondrial matrix.
The following reaction results in the conversion of pyruvate to acetyl-CoA:
Pyruvate + NAD⁺ + CoA-SH ⇒ acetyl-CoA + NADH + CO₂
One molecule of pyruvate is converted into one molecule of carbon dioxide.
Also, two molecules of pyruvate are converted into two molecules of carbon dioxide (as glucose on glycolysis yields 2 molecules of pyruvate).
Acetyl-CoA also contributes to the citric acid cycle and generates two molecules of CO2.
Pyruvate thus generates a total of 3 molecules of CO2, whereas glucose generates 6 molecules of CO2 (as glucose on glycolysis yields 2 molecules of pyruvate)
Therefore, we get that pyruvate produces total 3 molecules of CO₂ and glucose produces 6 molecules of CO₂ (as glucose on glycolysis yields 2 molecules of pyruvate).
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a chemical that denatures proteins is most likely to be classified as a(n) agent. a chemical that denatures proteins is most likely to be classified as a(n) agent. detergent bacteriostatic bacteriocidal antiseptic
Bactericidal
A chemical that denatures proteins is most likely to be classified as a(n) bactericidal agent.
What are bactericidal agents used for?A bactericidal substance's primary distinguishing characteristic is that it kills bacteria on contact. The cell wall, lipids, enzymes, or protein synthesis within the cell are all affected by these chemicals as they "attack" microorganisms; occasionally, they even employ a mix of these methods.Describe a bactericidal example.The beta-lactam antibiotics (penicillin derivatives (penams), cephalosporins (cephems), monobactams, and carbapenems), as well as vancomycin, are bactericidal antibiotics that prevent the formation of cell walls. Daptomycin, fluoroquinolones, metronidazole, nitrofurantoin, co-trimoxazole, and telithromycin are all bactericidal substances as well.What does the bactericidal effect have on bacteria?Some anti-bacterial, such as penicillin and cephalosporin, are bactericidal because they completely eradicate bacteria. They could harm the bacterial cell directly by attacking the cell wall.These cells can no longer do additional harm to the body since the bacteria cannot attack it.To learn more about bactericidal visit:
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What is soil called if it breaks into horizontal layers or pieces?
A.
platy
B.
blocky
C.
massive
D.
loamy
Answer: Relatively large blocks indicate that the soil resists penetration and movement of water.
Explanation:
They are commonly found in the B-horizon where clay has accumulated.
One of the four major types of lipids is a wax and its major function is to repel water. What are the other three types of lipids and what are their functions.
The other three types of lipids are:
fats and oilPhospholipidsSteroidsTheir functions include:
The function of fat or oil is stored in many seeds of plants and is used as a source of energy during the seedling developmentSteroids functions as helper in the emulsification of fats and their subsequent absorption by cellsPhospholipids are responsible for the functioning of the dynamic nature of the plasma membrane. What are lipids?Lipids include a diverse group of compounds that are largely nonpolar in nature that help to provide insulation from the environment for plants and animals.
The types of lipids include:
fats and oilPhospholipidsSteroidswaxesThe functions of lipid are many and includes energy storage in the molecules, provision of strength and structure to the cell, and act as a signaling molecule.
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Carotenoids are found in several foods that are considered to have antioxidant properties in human nutrition. What related function do they have in plants?.
Answer:
The function of carotenoids in plant is the dissipation of excess light energy.
Explanation:
Carotenoids are a group of chemicals that are found in food, the chemicals possess antioxidant properties, which help the cell to get rid of radical species. Carotenoids are also presents in plants. In plants, carotenoids help the plants to absorb energy from sunlight to carry out photosynthesis. They also protect chlorophyll in plants from been damaged by the sun.
what is cell? define cell
Answer:
Cells are the basic building blocks of all living things
Explanation:
Answer: Cells are the basic building blocks of all living things
Explanation: WHATS UP GUYS >:D anywho I hope u guys are a great day and I hope this helps <3
Uracil Pairs With_______.
Any nitrogen Base
Thymine
Uracil
Adenine
Answer: Uracil Pairs with Adenine
Explanation:
Uracil is like the thymine from RNA
The ____________ of the entire skeleton or skeletal elements utilizes the anchoring of muscles to attachment sites on the bones, which then serve as levers.
The movement of the entire skeleton or skeletal elements utilizes the anchoring of muscles to attachment sites on the bones, which then serve as levers.
Muscles are anchored to tendon and fibrous connective tissue that attaches muscle to bone. Tendons may also attach muscles to structures such as the eyeball. A tendon serves to move the bone or structure.
Muscles attach to bones at locations called origins and Insertions. A skeletal muscle attaches to bone at two or more places. If the place is a bone that remains immobile for an action, the attachment is called an origin. When your muscle activates or bunches up, it pulls on the tendon. Tendons attach muscles to bones. The tendon pulls the bone and make it move.
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match the function to the part of the cell.
Which metalloids would behave more like metals______?
Which metalloids would behave more like nonmetals_____?
The metalloids that would behave more like metals is known as metalloids in group 16.
The metalloids that would behave more like nonmetals are metalloids in group 13.
What are metalloids?This is a chemical element that forms a simple material with properties that fall somewhere between those of a conventional metal and a typical nonmetal is referred to as a metalloid in chemistry.
In chemical reactions, metalloids can behave either like metals or like nonmetals. The majority of metalloids exhibit both metallic and nonmetallic physical characteristics.
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Answer:
16
13
Explanation:
which of the following serves as a primary packaging area for molecules that will be distributed throughout the cell mitochondria b) plastids c) golgi apparatus d) vacuole
Answer:
Answer: The Golgi body
Explanation:
is served as a 'primary packaging area' for molecules that will be 'distributed throughout the cell. ' The 'Golgi body' is a 'membrane-bound organelle' of the eukaryotic cell which is made up of a series of 'flattened, stacked pouches' called 'cisternae'.
what type of chemical bond is shown in the diagram ?
Answer:
covalent bond
Explanation:
covalent bond involve sharing of electrons between atoms
Complete the blank parts. a)____ are contains the genetic material called, ___, that enables the cell to perform its living functions & divide to form___ b) Chloroplast it is where the process of ________in plant cells occur. Contain ______that is green in colour. C) _______ are small structures where the process of respiration occurs. During respiration, _______, is released from food & used for ______ d) ______ is a jelly like substance surrounding the _______ structures of the cell. It transports _______around the cell & it is where the cell's _____are broken down.
e) Cell wall: is a _____ on the outside of the cell. It _____the cell & gives it ______& also allow _______ & fluids to pass through it.
f.) cell membrane: is the ______ structure of the cell . it allows only some ______ to pass through it.
g) ________ present in both plant & animal cells. It is storage space that contain __________ surrounded by a _________.
The nucleus is an organelle that contains the genetic material called, DNA, which enables the cell to perform its living functions & divide to form new cells.
b) Chloroplast is where the process of photosynthesis in plant cells occur. Contain chlorophyll that is green in colour.
C) mitochondria are small structures where the process of respiration occurs. During respiration, ATP, is released from food & used for meatbolism
d) cytosol is a jelly-like substance surrounding the inner structures of the cell. It transports nutrients around the cell & it is where the cell's glucose are broken down.
e) Cell wall: is a rigid structure on the outside of the cell. It protects the cell & gives it shape & also allows nutrients & fluids to pass through it.
f.) cell membrane: is the semi-permeable structure of the cell . it allows only some molecules to pass through it.
g) vacuoles are present in both plant & animal cells. It is storage space that contain enzymes surrounded by a memebrane.
What is cellular respiration?Cellular respiration is the process by which large food molecules are broken down in the body to release energy in the form of ATP.
Cellular respiration may be aerobic or anaerobic.
Aerobic respiration takes place in the presence of oxygen whereas anaerobic respiration takes place in the absence of oxygen.
The food molecules which are ingested and then broken down are produced by plants during the process of photosynthesis.
Photosynthesis takes place in organelles called chloroplast which contain the green pigment, chlorophyll.
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A geneticist found that a particular mutation did not affect the protein coded by a gene. What do you think is the most likely type of mutation in this gene? Why?
Mutation that did not affect the protein coded by a gene is silent point mutation .
Silent mutations generally occur when the shift of a single DNA nucleotide within a protein-coding portion of a gene does not disturb the sequence of amino acids that make up the gene's protein. Mutations that cause the modified codon to produce an amino acid with identical functionality are also classified as silent.
Silent mutation can some times be harmful it may cause pause during reading of genes .Many studies have also shown how silent mutation is responsible for many life threatening disease like breast cancer .
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If anyone could answer this kind of fast that would be great; this is due tomorrow
The names of the biomolecules given in the image are: decanoic acid, glucose, adenosine, testosterone, uracil, serine, glucose and amino acid.
Biomolecules are the organic polymers found inside living organisms. These are made of repeating units of a structure called monomer. The biomolecules are essential for performing several reactions inside the body.
Glucose is one of the major biomolecule that belong to the class of carbohydrates. It is essential for the body as it is the source of readily available form of energy. Glucose is a sugar. It is a six carbon compound. It acts as a monomer that joins together with itself or other components to form several other carbohydrates.
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