Building blocks are the small units that make the larger, more complex molecule. The building block of protein is an amino acid and lipids are fatty acids and glycerols.
What are proteins and lipids?Proteins and lipids are the biomolecules that are involved in major reactions in the living system. They are composed of smaller subunits joined together by bonds.
Proteins are molecules made up of amino acids linked by the peptide bonds to form the chain of proteins that plays a crucial role in cell functioning.
Lipids are composed of fatty acids and glycerol linked by the ester bond, essential for the storage of energy and in the composition of the membranes.
Therefore, proteins are composed of amino acids and lipids of fatty acids and glycerol.
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how many moles of carbon monoxide (co) in 112g?
Answer:
In CO there is one mole of Carbon and one mole of Oxygen so the number of atoms will be for two mols
Explanation:
Which change does thermal energy cause? *
O greater energy differences between molecules
O slower molecule movement
O reduced energy transfer
more collisions between molecules
Please help me on this question
A given substance has a melting point of -7 oC and a boiling point of 59 oC. This substance exists as a ____________ at room temperature conditions. Note: room temperature is 25 oC.
A given substance that has a melting point of -7C and a boiling point of 59C exists as a liquid at room temperature conditions.
What are the states of matter?The states of matter refer to the separation of the molecules of a given material in certain temperature conditions.
The states of the matter are three and include the gaseous state, liquid state and solid-state.
In conclusion, a given substance that has a melting point of -7C and a boiling point of 59C exists as a liquid at room temperature conditions.
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Which of the following is true for a system at equilibrium?
Option 1- the rates of the forward and reverse reactions are equal, or option 2-The reactants have been completely used up?
Answer:
option 1
Explanation:
you can never have all your reactants used up coz it is not possible eg in space u only loose SOme of gravity
Select the correct answer. which characteristic is a property of water? a. densest as a solid b. low surface tension c. nonpolar molecules d. strong cohesion e. weak adhesion
The statement that is a characteristic of water is strong cohesion. Details about characteristics of water can be found below.
What are the characteristics of water?Water is a unique molecule which is attributed to its unique characteristics or features.
Water is made up of two hydrogen atoms and one oxygen atom that are chemically bonded to one another.
Some of the characteristics of water are as follows:
Water is a very polar moleculeWater is a universal solventWater has high surface tensionWater has high specific heat capacityWater is less dense as a solid than as a liquidWater has strong cohesive and adhesive propertiesWater has high boiling and freezing pointsTherefore, the statement that is a characteristic of water is strong cohesion.
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Which substance has the highest flow rate? *
water
honey
ketchup
mayo
Balanced chemical equation for the combustion of biodiesel
The balanced equation for the combustion of biodiesel is CH₄ + 2O₂ = CO₂ + H₂O.
What is combustion reactions?Combustion reaction is the reaction in which a substance react with oxygen to produce energy and heat. It is an exothermic reaction.
The combustion of biodiesel with oxygen form carbon dioxide and water.
Thus, the balanced equation for the combustion of biodiesel is CH₄ + 2O₂ = CO₂ + H₂O.
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the non-contact forces portfolio please help I'm just confused about what I'm supposed to do.
The non-contact forces portfolio includes Gravitational force, Magnetic force and Electrostatic force.
What is non contact force?Non contact forces are those forces which are applied on any object without any physical interference or contact.
Some non-contact forces are:
Gravitational force: It acts between two objects and depends on the masses of the object and distance between that objects.Magnetic force: It acts due to the motion of the charged particles.Electrostatic force: It is a type of induced force which is generated due to rubbing of two objects but when it is generated it remains even after removing the contact of previous objects.Hence Gravitational force, Magnetic force and Electrostatic force are the non-contact forces.
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acrostic poem for selective breeding
Answer:
Selective Breeding
Weeds are bad,
But why is this so?
Just like grass,
They too grow.
Weeds are disliked,
Like the drink that's spiked.
But why is this so?
Who's to say they shouldn't grow?
The weed is unwanted,
Like a murderer hunted.
But what crime did it commit?
Why should it not, be free to sit?
Thickly they may grow,
But grass even more so.
Who's to say they should not grow?
Why should their seed not be sow?
Weeds are bad,
But why is this so?
Just like grass,
They too grow.
If all things living, were for cared,
The land we own, for all shared.
The weed let live,
And life not carefully selected by- siv.
Selective breeding is unfair,
No better than plain warfare...
Explanation:
If a radioactive sample starts with 100 g, how many grams of the original substance will be left after 5 half-lives? Please show all work.
Answer:
3.125g
Explanation:
100/2
50 1
50/2
25 2
25/2
12.5 3
12.5/2
6.25 4
6.25/2
3.125g 5
How is the delta H fusion used to calculate the energy released when a volume of liquid freezes
The ΔH fusion used to calculate the energy released when a mass of liquid freezes by using the formula Grams liquid x mol/g x ΔH fusion.
What is enthalpy?The enthalpy of fusion of a substance, also known as (latent) heat of fusion, is the change in its enthalpy resulting from providing energy, typically heat, to a specific quantity of the substance to change its state from a solid to a liquid, at constant pressure.
Heat of formation or enthalpy is given for any one mole of substance.
And it will be calculated for moles of gases as, so for this first mass will be converted into moles as-
n = W/M, where
W = given mass in grams
M = molar mass in g/mol
and then multiply the given moles by the enthalpy of formation of one mole.
Hence, Grams liquid x mol/g x ΔH fusion is used.
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Answer:
ANSWER
Explanation:
express 3.81 meters in inches
Answer:
150 inches.Explanation:
3.81 m. = 150 inches.
I can't find explanation. Hope this is my best!
The reaction between bromine and methylpropene is an electrophilic addition. Describe .with the aid of curly arrows ,the mechanism of the reaction. Show that the intermediate and the product along with any dipoles and and lone pair of electron.
Electrophillic addition occurs when the substrate has a double bond and the attacking agent is a electrophile.
What is electrophillic addition?The term electrophillic addition refers to a type of addition that occurs when the substrate has a double bond and the attacking agent is a electrophile.
The mechanism of the electrophillic attack on methyl propene as shown indicates that the attacking agent is an electrophile(Br^+).
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On Earth, carbon is essential to life. Where did Earth get its carbon?
Answer: Most of Earth's carbon was inherited directly from the interstellar medium, it is the material that exists in space between stars in a galaxy.
Explanation: All of the carbon and oxygen in all living things are made in the nuclear fusion reactors that we call stars. The early stars are massive and short-lived. They consume hydrogen, helium, and lithium and produce heavier elements.
Hope this helps!
Which of the following is Not a physical change?
A. Grating cheese
B. Melting cheese
C. Fermenting cheese
D. Mixing two cheeses in a bowl
Answer:
c: fermenting of cheese
Answer:
c
Explanation:
If the ant-lion (predator) population becomes larger than the ant (prey) population what do you think would happen to the population of the ant-lion?
Answer:
It would decrease.
Explanation:
This is because there is not enough food (ant) for the ant-lion group.
How does the number of reactants in a double-displacement reaction
compare with the number of products?
Please answer my questions. I really need them soon. I will post the links for other questions in the comments.
Explanation:
option option B is the correct answer of given statement helium-4(He)=2
What is the general form for the simplest type of acid-base reaction? A. Acid + base → H+ + OH-
B. Acid + base → base + acid
C. Acid + base → salt + water
D. Acid + base → solid + water
Answer:
C
Explanation:
Adding and acid and base together until it is completely neutralized will give us water and a salt.
For example:
HCl + NaOH --> NaCl + H2O
HCl being the acid
NaOH being the base
The H2O is water
The NaCl is the salt
Which of the following is a metric unit?
Gram
Pound
Gallon
Foot
Answer:
gram
Explanation:
Gram is a SI unit (International Ststem of units)
other SI units : kg , meter, ampere, Kelvin
pound gallon and foot are SAE (or imperial) units
Gregory is doing his experiment for the science
fair. The above table shows the data he collected.
Based on the table, what is the best description of
what Gregory wanted to know?
A) Which brand
and amount of fertilizer will work best?
B) Which
brand of fertilizer (A,B or C) works the best?
C)
Which amount of fertilizer will show the most
growth?
D) What level of fertilizer is the most that
can be given before growth decline?
Answer:
A) Which brand and amount of fertilizer will work best?
Explanation:
A) is the best answer because it takes into account all of the variables. The variables seem to be the amount of fertilizer, average plant growth, and brand of fertilizer. The independent variables are amount of fertilizer and fertilizer brand. The dependent variable is the plant growth.
B) is not the best answer because it does not include the amount of fertilizer. Because this variable is changing, it is important to consider.
C) is not the best answer because it does not take the type of fertilizer into account. If the researcher were only concerned with how the amount of fertilizer affects plant growth, it would not be necessary to include 3 different types of fertilizer.
D) is not the best answer because this doesn't explain why the researcher used different types of fertilizer.
A sample of gas starts at 1.00 atm, 0.00 degrees Celsius, and 30.0 mL. What is the
volume if the temperature increases to 27.0 degrees Celsius and the pressure increases to
2 atm?
Answer:
pV= nRT
Explanation:
(p1 × V1)/ T1/ (p2 × V2)/ T2
What is the role of an Antibody?
Antibodies are part of the human immune system. Basically, they identify bad bacteria and viruses and track them down to fight back.
Scientists hypothesize that Earth's first oceans were made of fresh water. How did oceans obtain fresh water?
*
1 point
Water vapor in the early atmosphere cooled and fell to Earth as rain.
Frozen comets that fell to Earth melted as they traveled through the atmosphere.
As soon as icecaps formed, they melted because Earth was still very hot.
Early terrestrial organisms exhaled water vapor, which condensed to form fresh water.
The earth's first oceans would have obtained freshwater as a result of the condensation of water vapor in the atmosphere back then.
How were oceans formed?The freshwater of oceans was hypothesized to have been formed by the condensation of water vapor present in the early atmosphere of the earth.
The water vapor was thought to have emanated from volcanic activities. The condensation was in the form of rain and the resulting puddles merged together to form the oceans.
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Evaluate what advantage Bronsted-Lowry base theory has over the Arrhenius base theory.
A) The Bronsted-Lowry bases can act as proton acceptors.
B) Bronsted-Lowry bases act as hydroxide ion acceptors.
C) Both hydroxide and hydronium ions are released as Bronsted-Lowry bases.
D) Hydroxide ions are the only Bronsted-Lowry bases produced in solution.
The advantage of Bronsted-Lowry base theory over the Arrhenius base theory is that the Bronsted-Lowry bases can act as proton acceptors.
What are Bronsted-Lowry bases?According to the definition of Bronsted-Lowry, a base is a proton acceptor. In that case, the concept of bases is not limited to only the hydroxide ions.
Thus the advantage of Bronsted-Lowry base theory over the Arrhenius base theory is that the Bronsted-Lowry bases can act as proton acceptors.
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True or false? Ionic compounds are usually a combination of a metal and a non-metal.
Answer:
here down below is the anwser
Explanation:
Whereas ionic compounds are usually formed when a metal and a nonmetal combine, covalent compounds are usually formed by a combination of nonmetals. Thus, the periodic table can help us recognize many of the compounds that are covalent.
65. Write an equation for the combustion of octane.
Answer:
2C8H18+25O2→16CO2+18H2O.

PLEASE HELP ASAP!!!!WILL MARK BRAINLEST
If 50.0 grams of HCl were dissolved in enough water to make a solution with a total volume of 5.0 liters, what would be the molarity of the solution?
Determine moles of solute:
Calculate molarity:
Answer:
If 50.0 grams of HCl were dissolved in enough water to make a solution with a total volume of 5.0 liters, then the molarity of the solution is 0.282M.
How do we calculate molarity?
Molarity of any solution will be calculated by using the below equation:
M = n/V, where
n = moles of solute
V = volume of solvent in L
Moles will be calculated by using the below equation:
n = W/M, where
W = given mass = 50g
M = molar mass = 35.45 g/mol
n = 50/35.45 = 1.41 moles
On putting values in the above equation, we get
M = 1.41mol / 5L = 0.282M
Hence required molarity of solution is 0.282 M.
Explanation:
Iron(|||) chloride can be produced by the reaction shown in the equation
2 Fe + 3 Cl₂ ---> 2 FeCl₃
calculate the maximum mass of iron(|||) chloride(FeCl₃) that can be produced from 11.20g of iron
Relative atomic masses (Ar): Cl =35.5 ; Fe=56
Answer:
Here down below is the equation
Explanation:
Iron (III) chloride can be produced by the reaction shown in this equation:
2Fe +3C2 (arrow) 2FeCl3
Calculate the maximum mass of Iron (III) chloride that can be produced from 11.20 grams of iron?
Relative atomic masses: Cl= 35.5 , Fe =56
The maximum mass of iron(|||) chloride(FeCl₃) that can be produced from 11.20g of iron is 0.069 grams.
What is mass?Mass can be defined as inertia is a quantitative measure of a fundamental feature of all stuff.
It can also be defined as weight is defined as the force exerted by an item while mass is defined as the amount of matter in an object.
The SI unit of mass is kilogram or gram.
Mass can be expressed as
Mass = Given mass of substance / Formula mass
Mass of substance = 11.20 g
Formula mass of FeCl₃ = 162.2
So, mass = 11.20 g / 162.2 g
= 0.069 grams
Thus, the maximum mass of iron(|||) chloride(FeCl₃) that can be produced from 11.20g of iron is 0.069 grams.
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