The dam and reservoir can flood habitats is a is a future consequence of the use of hydropower from dams on the environment .
What is hydropower?A a renewable energy source, or one that has a capacity for hydraulic use over time. Water fits as a substance that is always recomposing in the terrestrial environment.
Today it is known that they cause major environmental impacts, such as the decomposition of submerged vegetation that gives rise to gases such as methane, carbon dioxide and nitrous oxide, which cause climate change.
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Which substance can be found in the bloodstream of a nonsmoker five hours after exposure to environmental tobacco smoke?
Nicotine found in the bloodstream of a nonsmoker five hours after exposure to environmental tobacco smoke
Chewing tobacco and other tobacco products contain the chemical nicotine. The most accurate approach to assess nicotine exposure in smokers and non-smokers exposed to ambient tobacco smoke is to measure cotinine in people's blood.
Within seconds after inhaling nicotine, it reaches the brain. Nicotine enhances the release of neurotransmitters, brain chemicals that help control mood and behavior.
Nicotine is a toxic and very addicting substance. It may result in an increase in heart rate, blood flow to the heart, blood pressure, and artery constriction (vessels that carry blood). In addition to contributing to artery wall hardening, nicotine may also increase the risk of a heart attack.
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The ________ are characterized by having; average diameter of 30 µm, thin adventitia, and often an incomplete media.
Answer: venules
Explanation:
A scientist investigated whether giving plants different quantities of magnesium affected their growth. He
measured growth by counting the number of new leaves produced. Write down a hypothesis he could test in his
investigation
The hypothesis that the scientist could test in his investigation is as follows: IF plants are given more than 2.0mg of magnesium, THEN their growth will be negatively affected.
What is an hypothesis?Hypothesis is a tentative conjecture explaining an observation, phenomenon or scientific problem that can be tested by further observation, investigation and/or experimentation.
An hypothesis is commonly referred to as an educated guess because it tends to provide a temporary explanation for a phenomenon.
According to this question, a scientist investigated whether giving plants different quantities of magnesium affected their growth. He measured growth by counting the number of new leaves produced.
The hypothesis of the scientist regarding the above experiment could be as follows: IF plants are given more than 2.0mg of magnesium, THEN their growth will be negatively affected.
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The succinate dehydrogenase reaction is unusual for a dehydrogenase because it uses ________ as an electron acceptor (oxidizing agent) that is regenerated by ubiquinone
The succinate dehydrogenase reaction is unusual for a dehydrogenase because it uses FAD as an electron acceptor.
What is FAD?Flavin adenine dinucleotide (FAD) is a redox-active coenzyme linked to various proteins that participates across several metabolic enzyme reactions.
A flavoprotein is a protein that contains a flavin group, which can be FAD or flavin mononucleotide (FMN).
Since it uses FAD as an electron acceptor that is regenerated by ubiquinone, the succinate dehydrogenase reaction is peculiar for a dehydrogenase.
Thus, the correct option is D.
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Your question seems incomplete, the probable options are:
A) ATPB) NADPC) MalonateD) FADThe final product of glycolysis is pyruvate. Under aerobic conditions, pyruvate is converted to?
Hi there,
I hope you and your family are staying safe and healthy!
The answer is: Acetyl - CoA
So basically Glycolysis is the process by which glucose is broken down within the cytoplasm of a cell to form pyruvate. Then under aerobic conditions, pyruvate can diffuse into Mitochondria and then convert to Acetyl-CoA as aerobic metabolism continue.
Please leave 5 stars and a like if you find this answer helpful.
Happy to help!
~Garebear
Pyruvate dehydrogenase is regulated by feedback inhibition and covalent modification. Which molecules inhibit the pyruvate dehydrogenase complex?
ADP, NAD+, CoA-SH, and pyruvate are the molecules that inhibit the pyruvate dehydrogenase complex.
What is pyruvate dehydrogenase complex?PDC3 triggers the oxidative decarboxylation of pyruvate, resulting in the creation of acetyl-CoA, CO2, and NADH.
The PDC plays a crucial role in the oxidation of glucose by connecting the glycolytic pathway to the tricarboxylic acid cycle's oxidative pathway.
ADP, NAD+, CoA-SH, and pyruvate all inhibit it. PDK prevents glycolysis from being coupled to GO by inhibiting its target enzyme PDH.
Thus, the answer is ADP, NAD+, CoA-SH, and pyruvate .
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How many high-energy phosphates are generated or consumed in converting 1 mole of glucose to lactate?
For converting 1 mole of glucose to lactate only 2 high energy phosphate (ATP) is required. There is 7 ATP are produced per mole of glucose in glycolysis aerobically but aerobic respiration pyruvate is converted to lactate by dehydrogenase at cost of 2 NADH.
Glucose gets rearranged during the starting molecules and two phosphate groups are attached to it. These phosphate groups make the modified sugar- now called fructose -1, 6- bis-phosphate unstable and allowing it to split in half and form two phosphate bearing three carbon sugars.
In the process of glycolysis the direct transfer of high energy phosphate from 1,3- diphosphoglyceric acid and phosphoenol pyruvate to adenine diphosphate which result in the formation of two ATP molecules.
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The origin of the frontalis muscle is the:________
a. frontal bone.
b. mandible.
c. occipital bone.
d. forehead.
e. epicranial aponeurosis.
The origin of the frontal bone is muscle is the forehead. Thus, the option D is the correct option.
What is hyoid bone?The hyoid bone has been considered as the part of the hyo-gloso-pharyngeal complex at the base of the lower jaw and at the level of the third and the fourth cervical vertebrae. The thirteen muscles has been inserted into it, the ones above are the suprahyoids that are responsible for lowering the jaw. The hyoid bone has been involved in the phonation, as well as chewing and swallowing.
Parietal bones has been paired the structure that form the roof and the side of the cranium.The parietal bones has been articulated with each other and they form suture. It articulates occipital bone posteriorly,and anteriorly with the frontal bone which form a suture called as coronal suture.
Inferiorly the parietal bone has been articulated with the sphenoid and temporal bone. Zygomatic bone has irregular shaped and the paired structure that the articulates with maxilla as well as temporal bone, sphenoid bone,and the frontal bone.
Therefore, The origin of the frontal bone is muscle is the forehead. Thus, the option D is the correct option.
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The force required to prevent the movement of water across a selectively permeable membrane is __________ pressure
The force required to prevent the movement of water across a selectively permeable membrane is osmotic pressure. The plasma membrane forms a vesicle around the substances to be transported, and the vesicle around the vesicle is taken into cells.
Osmotic pressure depends on both the pressure gradient and concentration gradient. This is only affected by the temperature and concentration of solute, each affect the movement of water across a membrane.
Higher the concentration is higher temperature increases osmotic pressure, which produced or associate with osmosis and dependent on molar concentration and absolute temperature. Hydro-static pressure forces fluid out of the capillary , osmotic pressure draws fluid back in.
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If the heart rate of a seal is 60 beats per min, how many beats should occur in ten seconds? group of answer choices 60 6 12 10
10 heart beats will occur in 10 seconds.
Adults typically have a resting heart rate between 60 and 100 beats per minute. A lower resting heart rate typically indicates improved cardiovascular fitness and more effective cardiac function. A well-trained athlete, for instance, might have a typical resting heart rate that is closer to 40 beats per minute.Animals' heart rates ranged from 83 to 145 beats per minute, with an average of 108.7 +/- 17.7 beats per minute (SD). The majority of animal heart rate fluctuations were explained by morphometrics. These collaborated to create a complex link between heart rate and activity patterns, which also included diving activity and swimming speed.if 60 beats occur in 60 seconds then 1 beat will occur in 1 second. Thus in 10 seconds 10 beats will occur.
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The structure of the cell membrane was discovered in 1895 by _________. finding a similarity to olive oil, he discovers membranes are made of __________.
In 1895, Ernest Overton proposed that cell membranes were made of lipids
According to the lipid bilayer theory, which Gorter and Grendel put forth in 1925, the cell membrane bilayer structure can be described using crystallographic research and observations of soap bubbles.
What is Cell membrane ?All cells have a cell membrane, also known as a plasma membrane, which separates the interior of the cell from the external environment.
A semipermeable lipid bilayer makes up the cell membrane. The movement of materials into and out of the cell is controlled by the cell membrane.Biological membranes serve three main purposes. First, they prevent harmful substances from entering the cell. Second, they have receptors and channels that let certain molecules, like ions, nutrients, wastes, and metabolic products,Third, they divide metabolic processes that are necessary but incompatible that take place within organelles.Learn more about Cell membrane here:
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If the water potential of a cell is -800kpa and solute potential of the same cell is 600 kpa then the water potential of that cell at equilibrium is?
The water potential of that cell at equilibrium is -200kpa.
Solution:
given that
Water potential [tex]\psi = -800kpa[/tex]
solute potential [tex]\psi _s = 600kpa[/tex]
we need to find water potential at equilibrium [tex]\psi _ w = ?[/tex]
We know that water potential = [tex]\psi = -\psi_s + \psi_w[/tex]
-800 = -600 + [tex]\psi _w[/tex]
[tex]\psi _w[/tex] = -200kpa
What is Water Potential?The potential energy of water per unit volume in comparison to pure water under reference conditions is known as water potential. The tendency of water to migrate from one place to another due to osmosis, gravity, mechanical pressure, and matrix effects like capillary action is measured by water potential (which is caused by surface tension).Understanding and computing water movement inside plants, animals, and soil have proven to be made easier by the concept of water potential. Greek letter is frequently used to symbolize water potential, which is normally stated in terms of potential energy per unit volume.Water potential combines a number of various water movement-related potential forces that may work in parallel or in opposition to one another. Numerous possible elements may be active at once in complicated biological systems.To learn more about water potential with the given link
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Explain how insulin and glucagon regulate the balance (i.e. homeostasis) between glycogen and glucose when epinephrine is not involved
Answer:
glucose
Explanation:
Hen the body responds by dilating superficial vessels in the skin, blood comes toward the surface of the skin. this allows ________.
When the body responds by dilating superficial vessels in the skin, blood comes toward the surface of the skin. This allows the release of heat to allow cooling.
The sweat glands start to produce more perspiration when the body temperature rises, as it does during physical activity on a hot day.The body is cooled via heat loss caused by sweat evaporation from the skin's surface.The skin's blood vessels dilate and expand, either releasing or trapping heat. Our skin contains roughly 3 million sweat glands, and when they grow, blood flow increases and heat is given to it.The dermal blood arteries nourish the skin and assist in controlling body temperature. The blood vessels enlarge (dilate) in response to heat, allowing a lot of blood to flow close to the skin's surface where the heat can be dissipated. blood vessels narrow (constrict), the cold retaining the body's heat.learn more about skin's blood vessels here: https://brainly.com/question/6235443
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A sand particle which is 0.5 mm and traveling in a stream with a flow velocity of 1,000mms
a transport
b settle
c erode
d deposit
The sand particle of 0.5mm size and travelling in a stream with flow velocity 1000mm/s is erode.
To find the answer, we have to know more about the stream flow
How sand particle travelling in a stream?The smallest sand grains, measuring between 0.2 mm and 0.5 mm, are the ones that erode the fastest in streams. Any object that is smaller or larger needs more water moving past it in order to be eroded and entrained in the flow.A little silt grain needs to be eroded at a faster rate than a sand grain that is 100 times bigger! The difference is even more pronounced for particles the size of clay. The smallest sand grains, measuring between 0.2 mm and 0.5 mm, are the ones that erode the fastest in streams.Thus, we can conclude that, the sand particle of 0.5mm size and travelling in a stream with flow velocity 1000mm/s is erode.
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The role of the liver in waste removal is to:
A. Filter urea out of the blood and into the bladder.
B. Filter excess salt and water out of the blood.
C. Break down dead cell into carbon dioxide to be expelled by
the lungs.
D. Break down excess amino acids and ammonia into urea.
D
Explanation:
kidneys are used to filter blood..... removal of water, urea and excess salts
The role of the liver in waste removal is to filter urea out of the blood and into the bladder. Thus, option A is correct.
What is liver and its function?The liver is a very important organ of human body and the weight of liver is 1.5 kg and width of liver is 15 cm. The colour of liver is reddish - brown.
The main functions of liver are it carries out the function of protein's metabolism and it excretes bile and it is also responsible for excreting cholesterol, hormones, bilirubin and drugs.
The liver also stores vitamins, glycogen, and minerals so it the center of storage also.
As liver is a very important organ so to maintain it's health a person have to maintain a healthy weight, take a balanced diet, regular exercise, avoiding toxins, and less use of alcohol leads to keep the liver safe and healthy.
Therefore, the role of the liver in waste removal is to filter urea out of the blood and into the bladder. Thus, option A is correct.
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Anna read a magazine article about Alaskan ice storms. Anna's friend Sam asked her what the article was about, and she explained the article's main points. What active reading strategy did Anna use?
A. Summarizing
B. Drawing inferences
C. Making predictions
D. Making mental images
Which fluid is expected to have lowest viscosity? all the fluids are at the same temperature
Helium has lowest viscosity .
The least viscous at any temperature must be superfluid liquid helium. Many liquids exhibit low viscosity at room temperature, such as water or alcohol, and other liquids demonstrate low viscosity under increasing heat. For example, cooking oil, although rather inviscid at room temperature, becomes even less viscous when it is heated in a pan.
Honey has the greatest resistance to flow, so it has the greatest viscosity. Causes of viscosity in liquids is due to strong cohesive forces between the molecules, any layer in a moving fluid tries to drag the adjacent layer to move with an equal speed and thus produces the effect of viscosity.
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Oh no! The FBI kidnapped Mike and put him in an fMRI machine to track whether he was lying or not. According to Dr. Barrett, what are possible ways Mike could conceal his lying?
Answer choices:
Shake his head in the scanner
Place pillows in between him and the scanner headpiece
Fall asleep
He's screwed because with enough training in a mock scanner, the fMRI is sure to work
The correct answer is he's screwed because with enough training in a mock scanner, the fMRI is sure to work.
The FBI kidnapped Mike and put him in an fMRI machine to track whether he was lying or not. FBI detects lies from the flow of blood. when he is lying, his brain put more efforts and more flow of blood.
fMRI detects lies according to brain activation patterns. Its brain activation patterns shoed different from the person who is innocent.
The flow of blood in activated areas helps in tracking lies using an fMRI machine. So, during the lie detection areas highlighted if a person lies.
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Excitation of the quadriceps femoris group and inhibition of the hamstring group is termed _______ innervation.
Excitation of the quadriceps femoris group and inhibition of the hamstring group is termed reciprocal innervation.
Reciprocal inhibition describes the relaxation of muscles on one side of a joint to accommodate contraction on the other side. Quadriceps femoris muscle are large fleshy muscle group covering the front and sides of the thigh. It has four parts namely rectus femoris, vastus lateralis, vastus medialis, and vastus intermediate. Quadriceps femoris consists of the rectus femoris and the three vastus muscles. These muscles work together to extend the knee and stabilize the patella, or kneecap.
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The purple spots on colorless background of corn kernels observed by barbara mcclintock were the result of _______.
The purple spots on the colorless background of corn kernels observed by Barbara McClintock were the result of the transposition of the Ds elements out of the color gene.
What are the genetic elements found in corn?A transposable element is removed from one spot in the DNA and inserted into a different site in the DNA during the process of genetic transposition, which allows genes to shift their location on chromosomes.The first recognized genetic instability was caused by genetic transposition.The size of the tissue patch displaying the reversion phenotype increases as a reversion event happens earlier in the kernel development.Barbara McClintock saw purple dots on maize kernels with an otherwise colorless background. These spots were caused by the Ds components of the color gene being transposed.The wild-type (purple) phenotype manifests itself in cells where Ds from the color gene "C" sequence has been lost.Hence, Barbara McClintock discovered purple patches on the colorless backdrop of maize kernels due to the transposition of the Ds elements out of the color gene.
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What qualities of a chemical reaction are affected by enzymes?
Enzyme lowers the chemical reaction's activation energy, is made up of proteins, and acts as biocatalysts. Enzymes are a part of all living things. Some compounds are created, while others are broken down by their reaction. Enzymes are produced by our bodies spontaneously. However, food and manufactured goods both contain enzymes.
An enzyme's four primary properties are;
They are very catalytic and can efficiently catalyse a chemical reaction with a slight amount. They expedite reactions while staying constant throughout. The effectiveness and function of enzymes can quickly be impacted by temperature, pH, and inhibitors. Enzymes typically catalyse only one type of substrate and have a relatively narrow range of applications.To learn more about Enzymes click here
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You dropped your 24-hour-old mannitol salt agar and macconkey agar plates of staphylococcus aureus. How would you visually be able to tell the difference now?
S.aureus on mannitol salt agar will have a yellow halo (fermentation), whereas the crystal violet on the MacConkey agar would inhibit its growth.
Staphylococcus aureus:About 30% of people have a type of bacteria called Staphylococcus aureus in their noses. Staphylococcus often doesn't hurt anyone, although occasionally it might result in infections. These staphylococcus infections, which can be serious or lethal in healthcare facilities, include:
When bacteria enter the bloodstream, it is called bacteremia or sepsis.Pneumonia is a disease that primarily affects persons with underlying lung conditions, especially those who are using mechanical ventilators.Endocarditis is a heart valve infection that can cause heart failure or stroke.Osteomyelitis is a bone infection that can be brought on by staphylococcus bacteria entering the circulation or by direct contact, such as after trauma (such as a foot puncture wound or IV drug usage).Learn more about staphylococcus here:
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Fluid excess can be caused by volume excess or a condition called ____________ hydration
Fluid excess can be caused by volume excess or a condition called hypervolemia hydration.
Hypervolemia, also called fluid overload, is the condition of having too much water in your body. While the body normally has a certain amount of fluids in it, too much fluid can damage your health.
Fluid excess can occur in two main ways in the body, water intoxication and edema. Firstly Water Intoxication The result of an excess of extracellular water without having an excess of solutes. Secondly Edema the excess of both solutes and water, which is also termed isotonic volume excess. ECF volume expansion typically occurs in heart failure, kidney failure, nephrotic syndrome, and cirrhosis.
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What are articulations? junctions in the body that connect organ to bone junctions in the body that connect muscle to nervous tissue junctions in the body that connect bone to bone junctions in the body that connect muscle to organ
Junctions in the body that connect bone to bone
A joint, sometimes referred to as an articulation, is where two or more bones come together. The majority of joints only have one articulation. The names of two bones are included in each articulation (or sockets).
What is a Joint or articulation ?Bones are connected through joints, often referred to as articulations. They enable specialised movement while while giving the skeletal system stability.
Histologically, according to the predominant kind of connective tissue, joints can be categorised. i.e., synovial, fibrous, and cartilaginous.Movement, like that of the limbs, and stability, like that of the skull's bones, are both made possible by joints.Learn more about Joint or Articulation here:
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Maintain population numbers close to the habitat carrying capacity are called _______ species
Animal species that exhibit long gestation periods, give birth to relatively large offspring, and maintain population numbers close to the habitat carrying capacity are called K-selected species.
In nature, a given habitat contains sufficient resources such as food, water, etc. to support a maximum possible number of biological species, beyond which no further growth is possible. It is termed as nature's carrying capacity for that species in the habitat.
MacArthur and Wilson proposed that there are two life-history strategies i.e. K-selected and r-selected. K-selected species exhibit a proportionately stable population that gives rise to a low number of offspring which tend to be very large. For example the African elephant is included among K-selected species.
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What is the largest mass of neuronal cell bodies found within the central nervous system?
Axons up to 1 meter long can be seen inside some nerve cells. The longest cell in the human body is the neuron, which links the central nervous system (brain and spinal cord) to other areas of the body.
What is the function of neurons in CNS?In both the central and peripheral nervous systems, neurons transmit messages. Their purpose is to transmit chemical and electrical signals to and from the brain.
Information is transmitted via neurons. They interact between various brain areas and between the brain and the residual of the nervous system through with electrical impulses and chemical signals.
The distinctive unit of the neurological system is the neuron. Dendrites, cell bodies, and axons represent the three different constituents of all neurons.
Therefore, neurons are the largest mass of neuronal cell bodies found within the central nervous system.
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Which of the following was
MOST responsible for the
turn-around in water quality
in Lake Washington?
A. adding additional fertilizers to the lake
B. adding excess pollutants to the lake
C. regulations on sewage treatment
D. addition of pollution-eating bacteria
Most responsible for the turn-around in water quality in Lake Washington is option c) regulations on sewage treatment.
What does sewage treatment mean?To prevent water pollution from discharges of raw sewage, sewage treatment is a sort of wastewater treatment that tries to remove contaminants from sewage to generate an effluent that is appropriate for discharge to the surrounding environment or an intended reuse application. Sewage includes pre-treated industrial effluent as well as wastewater from homes, companies, and possibly other sources. There are many different sewage treatment methods available.
Decentralized systems (including on-site treatment systems) and huge centralized systems that transport sewage to a treatment facility via a network of pipes and pump stations are examples of these. Urban runoff (stormwater) from cities with combined sewers is also transported by the sewers to the sewage treatment facility. Sewage treatment often involves two main stages, called primary and secondary treatment.
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________ also known as birds, are now thought to be members of the large theropod family tree.
Dinosaurs also known as birds, are now thought to be members of the large theropod family tree.
Theropods, a group of two-legged dinosaurs that includes the enormous Tyrannosaurus rex and the smaller velociraptors, are the ancestors of modern birds. When compared to most current birds, the theropods that were most closely related to avians were giants, had large snouts, big teeth, and little space in between the ears.
Archaeopteryx, a hybrid animal with feathered wings but dinosaur teeth and a long bony tail, is the only fossil connection between birds and dinosaurs. These animals appeared to have evolved into birds in just 10 million years, a mere flash in evolutionary history, by acquiring feathers, wings, and flight.
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One of the reasons bacteria can be so deadly is because they multiply very quickly. E. coli has a doubling time of around 15 minutes. This means that if 100 bacteria are left alone for 2 hours, they will multiply to become:
Answer:
the amount of e. coli is now 25,600
Explanation:
2 hours = 120 minutes
120/15 = 8
i dont know how to write down this next part so im gonna just do it slowly
100 x 2 = 200200 x 2 = 400400 x 2 = 800800 x 2 = 16001600 x 2 = 32003200 x 2 = 64006400 x 2 = 1280012800 x 2 = 25600