What happens to the structure of the protein when the temperature rises above the functional level?
A
denatures
B
increases enzyme function
C
does not disrupt the protein structure
D
protein continues to function as normal
PLEASE HELP ASAP
Answer:
The correct answer is option A
Explanation:
The extreme temperatures lead to the unfolding of a polypeptide chain resulting in a change in composition and generally a loss of function. If the protein working as an enzyme denatures, it will make that protein to lose its enzymatic activity.
Answer:
Denatures
Explanation:proteins are very sensitive to temperature change
How is thermal energy being transferred when steam rises from a beaker of boiling water?
Answer: The answer is C! Convection.
Explanation:
Apex!! Convection is thermal energy through water, and vapor is still a form of water.
Answer:
c. convection
Explanation:
AP-EX
Farmers recently have started to use a lot of fertilizer on farms. Extra fertilizer runs off the farms, into the rivers, and out into the oceans. Which of the following would be a likely outcome of this?
A) Animals will use the fertilizer to grow.
B) Kelp on the bottom of the ocean will grow.
C) Coral reefs will grow faster.
D) Algae will grow, causing algae blooms.
answer:
d) algae will grow, causing algae blooms
explanation:
changes in the environment create algae blooms. (ie. excessive use of fertilizer)
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Extra fertilizer runs off the farms, into the rivers, and out into the oceans. Algae will grow, causing algae blooms. Therefore, the correct option is option D.
What is fertilizer?Any substance of either synthetic or natural origin applied to soil or plant tissues to provide plant nutrients is referred to as a fertilizer or fertiliser. It's possible to distinguish fertilizers from liming agents and other non-nutrient soil additives. There are numerous natural and man-made sources of fertilizer.
With the exception of the sporadic inclusion of supplements such rock flour for micronutrients, fertilization for the majority of modern agricultural techniques concentrates on the three basic macronutrients of nitrogen (N), phosphorous (P), plus potassium (K). Farmers recently have started to use a lot of fertilizer on farms. Extra fertilizer runs off the farms, into the rivers, and out into the oceans. Algae will grow, causing algae blooms.
Therefore, the correct option is option D.
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If the volume of oxygen gas is 259 cm3 at 112 kPa, what would the volume be at 101.3 kPa?
Answer:
The answer is 286.36 cm³Explanation:
In order to find the volume be at 101.3 kPa we use Boyle's law which is
[tex]P_1V_1 = P_2V_2[/tex]
where
P1 is the initial pressure
P2 is the final pressure
V1 is the initial volume
V2 is the final volume
Since we are finding the final volume
[tex]V_2 = \frac{P_1V_1}{P_2} \\ [/tex]
From the question
P1 = 112 kPa = 112000 Pa
V1 = 259 cm³
P2 = 101.3 kPa = 101300 Pa
We have
[tex]V_2 = \frac{112000 \times 259}{101300} = \frac{29008000}{101300} \\ = 286.3573543...[/tex]
We have the final answer as
286.36 cm³Hope this helps you
what is the amount of electrical energy utilized in moving the electrons from one terminal point in a battery called
Answer:
Explanation:
In a similar way charged particles such as electrons need to have work done to move them from one point to another. The amount of work per unit of charge is called is called the electric potential difference between the two points. The unit of potential difference is called the volt.
You have a different rock with a volume of 30cm3 and a mass of 60g
Answer:
its 90
Explanation:
because you add the mass together
Which of the following is an
example of physical change?
1) A Halloween light stick glows after shaking
2) An oxygen balloon explodes when contacted with a flame.
3) browning meat
4) Steam condensed on the mirror after taking a shower.
5) None of the above is a physical change.
Answer:
2 and 4
Explanation:
The rest of the changes are chemical. 1 has a chemical reaction happen which makes light sticks glow. 3 is because browning the meat actually causes some new compounds to form and cause caramelization.
For 2, the oxygen is simply heating up and expanding which pops the balloon. 4 is just a phase change of water vapor to liquid water.
Sodium bicarbonate is the chemical name for baking powder. Its chemical formula is NaHCO3. What does the subscript 3 mean?
A.
There are three molecules of sodium bicarbonate.
B.
There are three molecules of oxygen in sodium bicarbonate.
C.
There are three atoms of oxygen in sodium bicarbonate.
D.
There are three atoms of sodium bicarbonate.
Answer:
A
Explanation:
which elements always have 11 protons on the periodic table
Answer:
I think sodium it may be wrong soŕry
Answer: sodium,
Explanation:
What does the law of the kinetic theory state?
I really l need help with this question
Answer:
A
Explanation:
The skin, mucous membranes, and endothelia throughout the body serve as physical barriers that prevent microbes from reaching potential sites of infection. Tight cell junctions in these tissues prevent microbes from passing through.
Hope this helps:)
Analyze the example of this door knob wheel and axle.
• The radius of the wheel, or in this case the handle, is 4.125 inches.
• The radius of the axle that opens the latch (inside the mechanism) is 0.125 inch. The actual effort force needed to open the door is 2.25 pounds.
The efficiency of this type of door knob is 85%.
Calculate the ideal mechanical advantage of this wheel and axle system when the resistance force is applied to the axle.
Formula, substitute, final answer
Answer:
28
Explanation:
Velocity ratio= Radius of wheel/radius of axle
Radius of wheel= 4.125 inches
Radius of axle= 0.125 inches
Velocity ratio = 4.125/0.125 = 33
Then;
Efficiency = mechanical advantage/velocity ratio × 100
Since the efficiency of the system = 85%
85 = mechanical advantage/33 × 100
Mechanical advantage = 85 × 33/100 = 28
If you don't keep giving a car gas, the car will eventually stop. *
Newton's 1st Law
Newton's 2nd Law
Newton's 3 Law
Law of Universal Gravitation
Law of Conservation of Momentum
Answer:
newtons 2nd law is the answer
Why are things like magic, astrology and psychic predictions not considered science?
The things like magic, astrology and psychic predictions not considered science as it only consider on the proves given by the experiments and the theory not on the random predictions.
What is science?The science, any universe of source of knowledge that deals with the physical and chemical world and its processes and that deals with the observations and experimentation with conclusion and results.
The magic is about the secret tricks done by magician and astrology is the observing the space and universe all above the earth and psychic deals with the human psychology.
Therefore, things like magic, astrology and psychic predictions not considered science as it only consider on the proves given by the experiments and the theory not on the random predictions.
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the density of an object is 4.78 g/ml . if the object has a mass of 2.34. determine the volume of the object
Answer:
The answer is 0.49 mLExplanation:
The volume of a substance when given the density and mass can be found by using the formula
[tex]volume = \frac{mass}{density} \\[/tex]
From the question
mass = 2.34 g
density = 4.78 g/mL
We have
[tex]volume = \frac{2.34}{4.78} \\ = 0.4895397...[/tex]
We have the final answer as
0.49 mLHope this helps you
When you place a glass over a candle and the flame goes out, the limiting reactant is, oxygen wax energy water
Answer:
oxygen
Explanation:
Putting the jar over the candle keeps oxygen from outside the jar from getting in. The reaction can only use the oxygen that is already in the jar. So, when that oxygen is used up, the reaction can't keep going. Running out of oxygen makes the flame go out.
What happens to wax when you burn a candle?
The heat of the flame vaporizes the liquid wax (turns it into a hot gas), and starts to break down the hydrocarbons into molecules of hydrogen and carbon. These vaporized molecules are drawn up into the flame, where they react with oxygen from the air to create heat, light, water vapour (H2O) and carbon dioxide (CO2).
What type of reaction is burning candle wax?Combustion
And when you light a candle you use the candle's wax as fuel for a chemical reaction called combustion which involves reacting hydrocarbons with oxygen, breaking them down into carbon dioxide and water.
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List the celestial bodies from smallest to largest based on their actual size.
The list of celestial bodies from smallest to largest are asteroids, moons, planets, and Stars.
What are celestial bodies?
A celestial body is an occurrence that naturally takes place in space. The terms object and body can be used interchangeably when referring to space and galaxies. Celestial bodies are firmly bound things with intricate shapes and structures that contain hundreds of smaller items.
The sun, moon, stars, and planets are examples of celestial bodies, sometimes known as heavenly bodies. The cosmos contains celestial objects, which are cosmic bodies that are visible in space and are positioned distant from the earth. We can only see the majority of the celestial groupings with a telescope.
They are usually seen at night and are invisible to the unaided eye. The size of certain celestial bodies is considerably greater than that of the planet. They are located outside of the atmosphere of the earth. There are millions of celestial bodies in the Kuiper belt.
Therefore, the list of celestial bodies, from smallest to largest are asteroids, moons, planets, and stars.
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How many electrons would an uncharged atom of nitrogen have
H3C
CH3
How will the following molecule bond with itself?
A. Dispersion
B. Dipole-dipole
C. Hydrogen bond
Answer:
B. Dipole-dipole
Explanation:
Dipole-dipole is an intermolecular force between polar molecules, where the positive end of one molecule is attracted to the negative end of the second molecule. Polar molecules form dipoles because they contain both electron-rich and electron-deficient regions, thus containing a partial positive pole and a partial negative pole within the same molecule. Examples of molecules that form dipole-dipole interactions include acetone and formaldehyde.
The intermolecular force acting in CH3CH3 is the dispersion forces.
The nature of intermolecular forces between molecules depends on the polarity of the molecules. Nonpolar polar molecules only have weak dispersion forces acting between their molecules.
The molecule CH3CH3 is a nonpolar molecule. Since it is nonpolar, the only intermolecular force acting between its molecules is the weak dispersion forces.
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What is the speed of a car that travels 600 m in three-sec? *
1800 m/s
0.015 m/s
O 603 m/s
200 m/s
Answer:
20 m/s
Explanation:
How many hydrogen atoms are in 4H2SO4
Help? Will mark as brainlist!!
Answer:
1. 4.75
2. 5.50
Explanation:
explain how carbon and oxygen form carbon dioxide
Answer:
Carbon dioxide, or CO2, is a naturally occurring linear compound composed of two oxygen atoms covalently bonded to a carbon atom. The two C=O. Carbon DioxideA central carbon atom is connected to two oxygen atoms via double bonds in a linear structure.
Explanation:
The number of valence electrons in an element affects the reactivity
of that element. Which element listed has the fewest valence
electrons?
Select one:
neon (Ne)
sodium (Na)
beryllium (Be)
oxygen (0)
Answer:sodium
Explanation:
Sodium is the element that has the fewest valence electrons. The correct option is B.
What is valance electron?A valence electron is an electron associated with an atom in the outer shell that can take part in the formation of a chemical bond if the surface layer is not closed.
Both atoms in a single covalent bond contribute one valence electron to form a shared pair.
Valence electrons are electrons in an atom's outermost shell, or energy level. For example, oxygen has six electron, two of which are in the 2s subshell and four of which are in the 2p subshell.
Because the highest energy 3s orbital has one electron, neutral sodium atoms have one valence electron.
Thus, the correct option is B.
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Sugar is made of carbon, hydrogen, and oxygen atoms. Sugar is
Answer:
Sugar is sucrose or [tex]C_{12} H_{22}O{11}[/tex]
Not sure what yo're looking for... Is it molecular? Solid? Nonsystematically named (sucrose)? C12H22O11?
H2O is a covalent compound why??
Answer:
H2O is a covalent compound because of the oxygen and hydrogen, and because they share electrons to sustain stability. Hope this helps :)
What is true about the energy differences between electron orbitals in particular atoms?
Answer: When in a magnetic field, the two electrons in a particular orbital differ very slightly in energy because of a property called electron spin. The theory of electron spin states that the two electrons in a single orbital spin in opposite directions on their axes, causing an energy difference between them
Explanation: I hope this helps!
Draw a model that compares the arrangement of the subatomic particles of oxygen-16 to another isotope, oxygen-18.
Explanation:
Answer and Explanation:Oxygen-16 and oxygen-18 differ in structure only in that oxygen-18 has two more neutrons in its nucleus than oxygen-16 has.
There are three known stable isotopes of oxygen (8O): 16O, 17O, and 18O. Radioactive isotopes ranging from 11O to 26O have also been characterized, all short-lived.
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How are protons, neutrons be, and electrons similar?
Answer:
This is how
Explanation:
Protons and neutrons have approximately the same mass, but they are both much more massive than electrons (approximately 2,000 times as massive as an electron). The positive charge on a proton is equal in magnitude to the negative charge on an electron.
Answer: They are all subatomic particles that make up an atom.
is CaCl2 lonic or
Covalent
Answer:
Ionic
Explanation:
Ionic compounds generally form between elements that are metals and elements that are nonmetals. For example, the metal calcium (Ca) and the nonmetal chlorine (Cl) form the ionic compound calcium chloride (CaCl2).