Answer:
C- She failed to look at the data objectively by trying to get a desired result.
Explanation:
Edge 2021
Lung cells obtain sodium ions, and chlorine ions from the adjacent blood vessels by which process?
Answer:I think it’s uhhh
Explanation:I think it’s uhhh I think it’s a carrot
Can someone fill this in Please ?
________ is a simple sugar or monosaccharide._____ is a disaccharide whilst ______ is a poly saccharid.
I could be wrong, but I think its glucose, fructose, starch?
Answer:
gluce
Explanation:
or whatever that says hopes this helps
Conditions around an enzyme change and affect the shape of the enzymes active sites. Predict how this would affect the enzymes ability to catalyze the reaction
Answer: Enzyme is a special kind of protein which conducts the catalysis of the reaction and speed up the rate of the reaction.
Explanation:
The change in shape of the enzyme will distort or change the shape of the active site of the enzyme thus the enzyme will not be able to bind to the specific substrate and no enzyme substrate complex will be formed so the enzyme will become non-function and will not conduct the catalysis of the reaction. Hence, no product will be formed as no reaction will occur. The high pH and temperature will distort the shape of the enzyme and the active site of the enzyme.
Changes in pH and temperature affect enzymatic activity. Any deviation from the optimum pH level or an increase of temperature over the optimum level denaturalizes the enzyme, and loses its catalytic activity.
----------------------------------
Enzymes, like all proteins, are polypeptidic molecules. They need to get an accurate tridimensional structure to accomplish their function.
There is a limited temperature and pH level at which they lose that structure and denaturalize.
• pH changes
The most accurate configuration for the best catalytic performance depends on the charge of the lateral chains and the environmental pH.
Enzymes have ionizable chemical groups in the lateral chains of their amino acids.
Depending on the environmental pH, these groups will have a positive, negative, or neutral charge.
There is an optimum pH level at which enzymes get the best configuration to accomplish their functions.
Most enzymes are sensitive to any change in pH, which might drastically affect their activity.
So every enzyme has its optimum pH level, and any slight deviations will cause the enzyme denaturalization, hence, its activity loss.
• Temperature changes
In general, the increase in temperature accelerates chemical reactions.
For every 10ºC of temperature increase, the reaction velocity duplicates.
The optimum temperature is the range in which the enzyme expresses its highest activity rate.
⇒ When the environmental temperature is lower than the optimum, there is a slow enzymatic activity.
⇒ When the temperature exceeds the optimum point, the enzymatic activity sharply decreases. It denaturalizes the enzyme. Over this level, the reaction velocity is counteracted by the loss of the catalytic activity due to denaturalization. Enzymatic activity decreases until it completely annulates.
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A bad case of tonsillitis can sometimes affect a person’s breathing. How is this possible? Support your claim and explain your reasoning.
Answer: yes
Explanation: since the bacteria is in the throat/tonsils the breathing of a person bc of the water in it can transfer if placed in mouth
Using a microscope in the science lab, Jill observed two unknown cell: Cell
1 and Cell 2. Cell 1 she identified as a plant cell and Cell 2 as an animal
cell. Her teacher told her she identified the cells correctly. What did Jill most
likely observe to correctly identify the cells?
A. Cell 2 had a cell membrane and Cell 1 did not.
B. Cell 1 had a cell wall and Cell 2 did not.
C. Cell 2 had a chloroplast and Cell 1 did not.
D. Cell 1 had a nucleus and Cell 2 did not.
Cells are living entities, which are the structural and functional units of life. The cells of the plant and animals differ on the basis of structure and composition.
The correct answer is:
Option B. Cell 1 had a cell wall and Cell 2 did not.
Plant cells are the eukaryotic cells, which consist of the cell organelles like mitochondria, nucleus, cytoplasm, chloroplasts, and Golgi apparatus. The distinctive feature of the plant cell is the presence of a cell wall.
Animals' cells are also the eukaryotic cells, which consist of mitochondria, Golgi apparatus, nucleus, and cytoplasm. The cell membrane is also found in the animal cell. The cell wall is absent in the animal cell.
Thus, the correct answer is Option B.
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Filament of a bulb glows due ᴛᴏ.......
effect of the electric current.
Explanation:
The filament of a electric bulb glows because of the heating effect of electric current. As the current passes through the bulb it heats the filament which gives off light.
What caused abrasion?
There is 2 abrasion so I put both
Answer: An abrasion is a type of open wound that's caused by the skin rubbing against a rough surface . It may be called a scrape or a graze. When an abrasion is caused by the skin sliding across hard ground, it may be called road rash.
Answer: Abrasion can happened when the wearing away of rock by sand. Abrasion can also refer to rocks that rub against other rocks.
Answer:
an abrasion is causes by skin contact with a rough or sharp surface. when forceful contact is made (with surfaces like concrete or gravel), the skin tears away.
Explantion:
Ex. When you fall on the ground outside on the asphalt or rocks, you can sometimes "scrape" your knee. this is called abrasion.
A white blood cell ingests, then digests, a number of bacteria. Which cell organelles were
directly responsible for the digestion of the bacteria?
A) Centrioles
B) Lysosomes
C) Ribosomes
D) Mitochondria
Answer: A lysosomes
Explanation:
Which organ(s) plays a major role in maintaining homeostasis when toxins build up in the body?
heart
kidneys
lungs
pancreas
Answer:
Kidneys is the correct answer!!
Explanation:
Write a five sentence summary of the Digestive system.
Answer:
The digestive system is where most of your food digests. It first starts in your mouth as food that is swallowed goes down to your esophagus, and then into your stomach. Your stomach acids break down those foods for nutrients, and the food particles get broken down into your small and large intestines. Your liver gives out insulin, which gets broken down to glucose, where your body uses that for energy. The rectum is where undigested food goes out as waste.
Explanation:
BRAINLIEST
Michael was watching the rain hit the sidewalk in front of his house. After a few minutes, he noticed a change in the precipitation and saw that the precipitation had changed into ice pellets. The falling ice pellets later changed back to rain, and then the rain stopped and the sun came out. Relate each stage of the water to cycle to the way it affects the weather.
Answer:After a few minutes, he noticed a change in the precipitation and saw that the precipitation had changed into ice pellets The falling ice pellets ... The falling ice pellets later changed back to rain, and then the rain stopped and the sun came out.
Explanation:
The stages of the water cycle that relate to the changes in weather that Michael observed are various like evaporation , Condensation, Precipitation which are the various sets like the mentioned.
What is evaporation ?Evaporation: The sun heats the surface water and causes it to evaporate. This stage is not directly related to Michael's observations, but it is an important part of the water cycle.
Condensation: As water vapor rises into the atmosphere, it cools and condenses into clouds. This stage is also not directly related to Michael's observations, but it sets the stage for the precipitation that follows.
Precipitation: When the conditions in the atmosphere are right, the water droplets in the clouds combine and fall to the ground as precipitation. In Michael's case, the precipitation started as rain and then changed to ice pellets. This change occurred because the temperature in the atmosphere dropped, causing the rain to freeze into ice pellets. The ice pellets eventually melted and turned back into rain.
Runoff: After precipitation falls to the ground, it can either be absorbed into the ground or flow across the surface as runoff. This stage is not directly related to Michael's observations, but it is an important part of the water cycle.
Transpiration: Water that is absorbed by plants is released back into the atmosphere through a process called transpiration. This stage is also not directly related to Michael's observations, but it is an important part of the water cycle.
Overall, Michael's observations demonstrate how changes in temperature and atmospheric conditions can cause precipitation to change from rain to ice pellets and back again. These changes in precipitation can have a significant impact on the weather, as they can affect things like temperature, humidity, and wind patterns.
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The pedigree traces red-green color blindness. Lisa and Monica are half-filled circles. Sam, Bella, Joshua, and Tim are filled-in shapes. Which family members have red-green color blindness? Sam, Tim, Bella, and Joshua Lisa and Monica Ben, Jenny, Mike, Carol, Katie, and Chris Sam, Joshua, and Tim
Answer:
Sam, Tim, Bella, and Joshua
Explanation:
The correct answer would be Sam, Tim, Bella, and Joshua.
The human pedigree is a pictorial representation of a family tree that depicts how a particular trait is inherited across different generations.
In the human pedigree, those phenotypically affected for the trait in question are represented by filled-in shapes, with circles representing females and squares representing males. Half-filled shapes represent heterozygosity or carriers of the trait.
Sam, Tim, Bella, and Joshua were represented by filled-in shapes in the illustrated pedigree. Hence, they are affected for red-green color blindness.
Answer:
A
Explanation:
edge 2021, good luck
what are the major parts of most prokaryotic cells?
Answer:
a plasma membrane: an outer covering that separates the cell's interior from its surrounding environment. cytoplasm: a jelly-like cytosol within the cell in which other cellular components are found. DNA: the genetic material of the cell. ribosomes: where protein synthesis occurs.
Why is still water an ideal environment for the formation of mold and cast fossils?
a) sediment builds up over organisms
b) sediment turns organisms into rock
c) hard tissue decays under sediment
d) soft tissue is preserved under sediment
Adding or removing heat from the system to change the temperature is an example of what kind of energy?
Thermal energy
Kinetic energy
Sugar energy
Potential energy
please help
Each electron has a charge of 1–, and each proton has a charge of 1+. You can calculate the charge of an atom by subtracting the number of electrons from the number of protons. Move an electron from the sodium to the chlorine atom.
Answer:
Following are the solution to this question:
Explanation:
The creation of bonds:
[tex]Na \to Sodium \\\\Cl \to Chlorine[/tex]
Na has one electron of valence, and Cl has 7 electrons of valence. The transfer of electrons should be made to form a relation of such a nature. All relations among ionic and non is here Sodium is the metal and chlorine is the non-metal.
[tex]\to Na \longrightarrow Na^{+} + e^{-}[/tex]
Neon isoelectronic
[tex]\to Cl + e \longrightarrow Cl^{-}[/tex]
Argon isoelectronic
[tex]\to Na+Cl \longrightarrow NaCl\\\\\to Na^{+} + Cl^{-} \longrightarrow Na^{+}Cl^{-}\\\\[/tex]
Answer:
A.What are the charges of each atom now?
Sodium: +1___ Chlorine: __-1___
B.Is each ion stable? Explain.
-Electromagnetic force pulls them together
Describe the location of the three zones, or belts of latitude
Answer:
Tropical Easterlies is from 0-30 degrees latitude
Prevailing Westerlies is from 30-60 degrees latitude
Polar Easterlies is from 60-90 degrees latitude.
Explanation:
Areas between the Equator (0 degrees N/S) and 30 degrees N/S are referred to as low latitudes. The middle latitudes lie between 30 degrees N and 60 degrees N. The high latitudes are also located between the poles (90 degrees N/S) and 60 degrees N/S.
What is the belts of latitude?The polar easterlies, westerlies, and trade winds are the three main worldwide wind belts. Polar easterlies go towards 60 degrees north and south from the north and south poles, respectively.
They are extremely chilly, dry winds. Between 30 and 60 degrees north and south of the equator, the westerlies can be found.
The three wind belts that cover the entire planet are known as the “global wind belts”: the tropical easterlies (also known as the trade winds) are located close to the equator.
The polar easterlies are located at the north and south poles, and the predominant westerlies are located in the middle of the two.
Therefore, three zones or belts of latitude.
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Block mountains are caused by faults in the crust, where rocks can move past each other in a rift and rise. the uplifted rocks become block mountains while the intervening dropped blocks are known as graben. Which mountain ranged is formed this way?
Answer:
This is true except they are called fault-block mountains
Explanation:
Un hombre cruza distraído la calle cuando lo sorprende el bocinazo de un auto muy próximo a él. El hombre reacciona y sube a la vereda de un salto, algo agitado y tembloroso. Además de los cambios corporales citados, ¿Cuál/les otro/s pudieron haberle ocurrido ante esta situación? ¿Por qué el cuerpo responde de esa manera? ¿Cuál es la función de esos cambios?
Answer:
- Dilation of the pupils
- Increased heart rate (chronotropism) and the force of contraction of the heart (inotropism), as well as blood pressure.
- Bronchodilation to facilitate the entry of air
- Vasoconstriction in organs that are not needed, such as the abdominal viscera and the kidney
-Vasodilation of muscles, heart, liver and fat tissue
- Hepatic glycogenolysis and lipolysis of adipose tissue
- Increase in blood glucose
Physical stressors; for example cold, hypoglycemia, hemorrhage, hypoxia, necrosis, burn, acute pain are stimuli that alter the physiological state affecting homeostatic mechanisms, and initiate an adaptive response necessary for survival. For their part, psychological stressors are stimuli that threaten the current state of the individual or provoke a state of anticipation even though they do not pose an immediate threat to physiological conditions; need to be processed by the cerebral cortex before initiating the stress response and they depend largely on previous experiences.
Depending on the type of physical or psychological stress, neurons in the brain stem or those in the areas of the brain are activated. limbic system respectively, which through axonal projections affect neurons of the nucleus paraventricular cells of the hypothalamus that synthesize CRH (corticotropin-releasing hormone). Neurons hypophysiotropic in response to a stimulus, releases CRH to the hypothalamic-pituitary portal circulation that reaches the adenohypophysis and controls the synthesis and release of adrenocorticotropin (ACTH) that travels through the bloodstream exerting its feedback mechanism on the adrenal gland. Therefore, the glucocorticoids secreted by the adrenal gland will exert their actions on peripheral tissues as part of the adaptive response to stress.
But in addition, the hypothalamus will be in charge of decoding neuronal signals originating in other brain sites and hormonal signals coming from the periphery. Therefore, hypothalamic neurons not only secrete their product towards the hypothalamic-pituitary portal blood, but also have nerve projections towards other brain regions or to nuclei located in the spinal cord (such as the nucleus of the solitary tract) and controlling the functioning of the autonomic nervous system. Thus the coordinated response to stress includes adrenaline secretion from the adrenal medulla in response to stimulation of the autonomic system; this hormone it causes a state of excitement or alertness in the body allowing it to respond to the challenge.
So, the combined action of the hormones cortisol and adrenaline and the autonomic nervous system (system sympathetic-adrenal) allows a series of vegetative activities involving various apparatus (cardiovascular, digestive, respiratory, muscular, etc.) and the activation of various metabolic pathways (of carbohydrates and lipids fundamentally) to provide the immediate energy demands required before the aggressor stimulus or stress.
Explanation:
During physical exertion or emotional stress, the Sympathetic Nervous System predominates over the Parasympathetic Nervous System. The sympathetic tone favors : intense physical activity for the production of energy in a rapid and prolonged way. The fear, the confusion, the anger also stimulate the SNS.
The flight or fight reaction is the activation of the SNS on the adrenal medulla produces the release of adrenaline and norepinephrine, which in turn produce the following effects:
- Dilation of the pupils
- Increased heart rate (chronotropism) and the force of contraction of the heart (inotropism), as well as blood pressure.
- Bronchodilation to facilitate the entry of air
- Vasoconstriction in organs that are not needed, such as the abdominal viscera and the kidney
-Vasodilation of muscles, heart, liver and fat tissue
- Hepatic glycogenolysis and lipolysis of adipose tissue
- Increase in blood glucose
This ensures a self-defense response when perceiving danger, activating a survival instinct
Explain how increased energy efficiency is beneficial.
Answer:
he many benefits of energy efficiency include: Environmental: Increased efficiency can lower greenhouse gas (GHG) emissions and other pollutants, as well as decrease water use. Economic: Improving energy efficiency can lower individual utility bills, create jobs, and help stabilize electricity prices and volatility.
One of the benefits of increased energy efficiency is the reduction of amount of money spent by government to produce energy.
What is energy efficiency?Energy efficiency describes the process of consuming energy in useful manner. It entails every approach deigned to regulate the use of energy to avoid wasting energy.
Importance of energy efficiencyIt reduces government budget on energy production.It reduces depletion of natural resources used in the production of energy, etc.Learn more about energy efficiency here: https://brainly.com/question/14280607
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Which example best shows that the chemistry of water is helpful to plants?
Answer:
water polarity causes cohesion that pulls other water molecules up through a plant.
Explanation:
Water for plants is essential because it constitutes one of the necessary elements so that they can generate their food through the process called photosynthesis.
In effect, plants take the hydrogen from a water molecule and discard the oxygen, providing the atmosphere with this essential gas for life.
Suppose that a minnow eats 100 marsh plants in a year. How much DDT build up in the body of the minnow?
Answer:
10,000
Explanation:
because:
1 marsh plant= 1 DDT
a minnow = 100 DDT
if 1 minnow = 100 DDT
100 marsh plants = 100 DDT
you multiply 100 by 100
You get 10,000 as the answer.
Bioaccumulation is the accumulation of persistent substances, many times toxic substances, in the organisms' tissues. In the exposed example, if the minnow eats 100 plants, it will get 100 units of DDT.
----------------------
This problem states that
a farmer sprays DDT in a field.DDT reaches the marsh plants by the wind actionEach plant receives 1 unit of DDT, which remains in the plant by bioacumulation.When talking about bioaccumulation we refer to a net accumulation of metals and other persistent substances in the tissues of an organism.
Accumulation occurs during the individual's life and can be transmitted to other organisms in the trophic chain.
There are two ways in which an organism can get these substances,
from other living beings (trophic chain) by direct consumption from the soil, air, and water.
So, according to the introduction, each plant has one unit of DDT.
1 marsh plant -------------- 1 unit of DDT
We need to find out how much DDT gets one single minnow that eats 100 marsh plants in one year.
So here, we can just perform a three simple rule.
If one plant has 1 DDT units, how many units DDT are in 100 plants??If one minnow eats 100 plants in a year, how many DDT units does it get?1 marsh plant -------------- 1 unit of DDT
100 marsh plants ---------X = 100 units of DDT
If the minnow eats one plant, it will get one unit. But if the minnow eats 100 plants, it will get 100 units of DDT.
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2 - Give 2 examples of words from the content
What is the first step in making transgenic organism?
Cellular respiration can involve one of two pathways, aerobic respiration or anaerobic respiration. Which of the following is a correct statement?
A. Aerobic respiration produces 36 ATP in the absence of O2
B. Aerobic respiration produces 36 ATP in the presence of O2
C. Anaerobic respiration produces 36 ATP in the presence of O
D. Anaerobic respiration produces 36 ATP in the absence of O2
Answer:
B
Explanation:
aerobic respiration produces 36 ATP in the presence of O2
Multiple choice question
What would happen to the concentrations of Pyruvate, NADH and intermembrane H+ if the Krebs Cycle stopped working?
Answer:
Pyruvate will increase
NADH will decrease
H+ will decrease
Explanation:
I just took the test
If the Krebs Cycle stopped working, the Pyruvate will increase NADH and intermembrane H+ would decrease
In the Krebs Cycle, pyruvate is used to make a molecule called NADH and also makes ATP. Pyruvate would increase and no NADH would be made by the Krebs Cycle so it would reduce. Without NADH, the ETC would not get electrons. No electrons would pass down the chain, so no H+ would be moved. The concentration of H+ reduc because ATP synthase would still use themConclusively, If the Krebs Cycle stopped working, the Pyruvate will increase, NADH and intermembrane H+ would decrease.
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Evolution is the process by which populations of organisms can change over time. How is directional selection related to evolution?
Answer:
Directional selection occurs when individuals with traits on one side of the mean in their population survive better or reproduce more than those on the other. It has been demonstrated many times in natural populations, using both observational and experimental approaches.
How has natural selection shaped our earth today?
Which of these is a product of cellular respiration?
Answer: What product?
Explanation:
Answer:
water
Explanation: