Answer:
a. po tamang sagot
Explanation:
pa pafoolow po pleasr
The DNA and RNA are polynucleotides which contain a chain of nucleotides monomers with different nitrogenous bases. Each nucleotide different from the others, as It has different bases. The correct option is A.
What is a nucleotide?A nucleotide is defined as a compound containing three component units, namely a pentose sugar (either ribose or 2-deoxyribose), a heterocyclic nitrogenous base (a substituted purine or a substituted pyrimidine) and a phosphate group.
The nucleotides are the phosphate esters of nucleosides. A nucleotide containing ribose as the sugar unit is termed as the ribonucleotide. While one containing 2-deoxyribose as the sugar unit is termed as the deoxyribonucleotide.
The nitrogenous bases in RNA are adenine, guanine, cytosine and uracil whereas in DNA the bases are adenine, guanine, cytosine and thymine. The purines are adenine and guanine whereas cytosine, thymine and uracil are pyrimidines.
Thus the correct option is A.
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In the figure a cyclist moves A to B and then to C.he could also go through the shortest path AC. Depending on this fact solve the following questions: Find the length of AC .Find the displacement and total distance covered.
Answer:
hope it helps you see the attachment for further information
An atom with 6 protons and 8 neutrons is an)
Answer: carbon (C)
Explanation:
Hòa tan hoàn toàn 10 gam hỗn hợp hai oxit CuO và Fe2O3 cần 100ml dung dịch HCl 3,5M. Khối lượng CuO và Fe2O3 có trong hỗn hợp ban đầu lần lượt là
Answer:
CuO+2HCl>h2o+CuCl2
fe203+6hcl->2fecl3+3h2O
gọi CuO, fe2o3 lần lượt là x,y
80x+160y=10
2x+6y=0.35
giải phương trình ta dc hai số x,y(tính phương trình kia ra)
cuo ban đầu sẽ là :60*x=z
fe203 ban đầu sẽ là :10-z=
Explanation:
At a recycling plant, old tin cans are melted down and reconstructed. This is an example of a ___________.
c. The element in group 2 and period 3 is -
Answer:
Magnesium
Explanation:
Hope this helps!
Explain Froath Flotation Method!
Explanation:
a process for separating minerals from gangue by taking advantage of the differences in their hydrophobicity.
I believe that is accurate
hope this helped have a nice day
and mark me brainiest :)
write any two conditions at which a body of certain mass weightless
Answer:
A body becomes weightless in a zero-gravity scenario and when a force is applied to a body that is equal and opposite to the force of gravity. If the body is falling only under the influence of gravity.
Answer:
A body becomes weightless in a zero-gravity scenario and when a force is applied to a body that is equal and opposite to the force of gravity.If the body is falling only under the influence of gravity.
How much water will the measuring cup have if you poured 1/2 of it out?
QUICK PLEASE!!!
Argon is an element in the last column of the periodic table. What is its highest energy sublevel?
A.D
OB.
OC.P
DS
The highest energy sublevel of argon will be p.
ArgonArgon has an atomic number of 18.
Thus, the electron configuration of argon will be [tex]1s^2, 2 s^2, 2 p^6, 3 s^2, 3 p^6[/tex]
The ascending order of energy for the sublevel orbitals is s, p, d, and f.
Therefore, the highest energy sublevel of argon is p.
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The highest energy sublevel in the element argon is p.
What is the periodic table?The periodic table is an arrangement of atoms according to their order of increasing atomic numbers. Now we know that there are 18 groups in the periodic table and argon belongs to group 18.
The electron configuration of argon is; 1s2 2s2 2p6 3s2 3p6. Thus, the highest energy sublevel in the element argon is p.
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Determine the mass in grams of 3.60 mol of H2 SO4
Answer:
Explanation:
There are 353 grams of H2SO4 in 3.60 moles of H2SO4.
Technician A says that the freezing point of a substance is the temperature at which the substance changes state from a solid to a liquid. Technician B says that the freezing point of a substance is the temperature at which the substance changes state from a liquid to a solid. Who is correct
Answer: Technician B
Explanation:
Technician B is correct. The freezing point of a substance is the temperature at which the substance changes state from a liquid to a solid.
Technician A is incorrect. On the other hand, the melting point of a substance is the temperature at which the substance changes state from a solid to a liquid.
State one human activity that increase the amount of carbon dioxide in the atmosphere today.
Answer:
Burning of fossil fuels
Explanation:
Human activities that increase the amount of carbon dioxide in the atmosphere are;
1) Burning of fossil fuels in industrial and internal combustion engines
2) Depletion of the available forest cover, due to the consumption of wood as a raw material
3) Farming expansion that lead to clearing of forests for farming
4) Industrial activities such as the production of cement
5) Deforestation to provide land for development including buildings and infrastructure.
what is the percentage composition of water in crystallization of oxalic acid
Answer:
5.17 percentage is water
Explanation:
answer from gauth math
Một hỗn hợp X gồm CH3OH; C2H5OH; phenol có khối lượng 28,9 gam phản ứng vừa hết với 100ml dung dịch NaOH 2M. Phần trăm theo khối lượng phenol là ? Biết C = 12; O = 16; H = 1; Na = 23. *
Answer: bạn viết phương trình Phenol + NaOH
=> nNaOH = nPhenol = 0,2 mol
m Phenol = 0,2x94 = 18,8 gam
%mPhenol = 18,8/28,9% = 65,05
Explanation:
PLZ HELP Matthew wants to study how the body responds when the skin is broken. He learns that particles in the blood clump together at the site of the wound to stop the bleeding while the skin heals. Which of the following body systems is involved in carrying the blood to the site of the wound?
A. Cardiovascular
B. Skeletal
C. Respiratory
D. Muscular
Answer:
A, Cardiovascular system
cardiovascular system
Describe what happens to the particles when a substance:
1. Melts
2. Freezes
3. Boils
4. Condenses
formula for finding speed using binding energy and mass
Answer:
The formula for finding speed using binding energy and mass is E=mc2.
Oxygen is a diatomic element.why give reason.
Answer:
Diatomic molecules contain two atoms that are chemically bonded. If the two atoms are identical, as in, for example, the oxygen molecule (O2), they compose a homonuclear diatomic molecule, while if the atoms are different, as in the carbon monoxide molecule (CO), they make up…
Explanation:
yei hoo arko aaxaina ...
please help. need this asap!!
Answer:
E.....Na2I.,.
Explanation:
Cuz sodium has a Vallency..1......lodide has Vallency 2
Specific heat capacity is _____.
greater for metal than for wood
the amount of heat required to raise the temperature of 1g of a substance 1 oC
represented by the symbol, Q
all of these
Answer:
all of this
Explanation:
The world is made up of
Answer:
Explanation:
The world is made up of living beings .
can you answer with working out
help me please give two example in which physical change take place please help me
Answer:
Boiling, melting
Explanation:
Physical changes affect the form of a chemical substance.
What are the differences between molecule of an elements and molecules of a compound?
a compound is a pure substance made up of two or more elements chemically combined a molecule is defined as the smallest particle of an element which can exist separately elements are pure substances which can not be split into simple substances by chemical means the atom is defined as the smallest particle of an element which can take part in a chemical change so I think the difference between the molecule of a compound is bigger than the molecule of a compound
Convert the following absolute temperatures to centigrade.
i) 0 K
ii) 298 K
iii) 323 K
iv) 423 K
SHOW STEP BY STEP
Answer:
0 K
[tex]{ - \bf{273 \degree C}}[/tex]
298 K
[tex]{ \tt{ = 298 - 273}} \\ = { \bf{25 \degree C }}[/tex]
323 K
[tex]{ \tt{ = 323 - 273}} \\ = { \bf{50 \degree C}}[/tex]
423 K
[tex]{ \tt{ = 423 - 273}} \\ = { \bf{150 \degree C}}[/tex]
1.T=[£+273]
=273
It is because kelvin temperature is absolute zero.
Stae the change in oxidation state of iron during the reactiong of iron extraction
Answer:
3
Explanation:
The reaction for the extraction of Iron is :-
2Fe2O3(s) + 3C(s) → 4Fe(l) + 3CO2(g)
O.S. of Fe in Fe2O3 is 3 and O.S. of Fe(l) is 0change in oxidation state (O.S.) = higher O.S - lower O.S
= 3 - 0
= 3
Identify the group number and generic outer electron configuration for a neutral main‑group element with the following two Lewis dot symbols.
X with 1 dot on the top, bottom and right
X with 1 dot on all sides
Answer: Answer to #1 is 3A and ns2np1
Answer to #2 is 4A and ns2np2
Explanation:Group number is the number of valance electrons and generic outer electron configuration has to add up to equal the number of valance electrons
The element in the first diagram is in group 13 while the element in the second diagram is in group 14.
The Lewis structure of an atom of an element is a representation of the number of valence electrons on the outermost shell of the atom of that element. Every group of elements have a generic electron configuration which represents the number of valence electrons contained by atoms of elements in that group.
In the first diagram, the element X belongs to group 3A(13) and has a generic outer electron configuration, ns2np1. In the second diagram, the element X is in group 4A(14) and has outer electron configuration ns2np2.
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Question 5
1.00 g of He, 14.0g F2, and 19.0 g Ar are placed in a 13.0-L container at 20.0 °C.
The total pressure (in atm) in the container is _____ atm.
1 point
Answer:
2.03 atm
Explanation:
Number of moles of He = 1g/4g/mol = 0.25 moles
Number of moles of F2 = 14.0g/38 g/mol = 0.37 moles
Number of moles of Ar=19.0g/40g/mol = 0.48 moles
Total number of moles = 0.25 + 0.37 + 0.48 = 1.1 moles
From;
PV=nRT
P= pressure of the gas mixture
V= volume of the gas mixture
n= total number of moles of the gas mixture
R= gas constant
T= temperature of the gas mixture
P= nRT/V
P= 1.1 × 0.082 × 293/13
P= 2.03 atm
What is the oxidation state of fluorine (F)?
The Periodic Table
A.-2
B. +1
C. -1
D. +2
Answer:
It is C. -1
Explanation:
[tex] { \underline{ \sf{ \blue{christ \: † \: alone}}}}[/tex]
How long can crater fires burn?
Answer:
I would have to say More than 40 years
