The total collection of DNA instructions present in a cell makes up the genome.
What is Genome?The human genome is made up of 23 sets of chromosomes that are found within the cell's core and one modest chromosome that's found within the mitochondria. Everything a individual should develop and work is encoded in their genome.
All living things have DNA as their essential source of data. The term "genome" alludes to an organism's entire DNA.
Whereas a few genomes, like those of infections and microbes, are inconceivably little, a few genomes, like those of a few plants, can be nearly inconceivably huge.
All of an organism's genetic information is included in its genome. It is made up of DNA (or RNA within the case of RNA infections) nucleotide arrangements. The atomic genome contains administrative groupings (see non-coding DNA), non-coding qualities.
Therefore, The total collection of DNA instructions present in a cell makes up the genome.
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What is the number of moles of solute in 7.3L of a 4.6M solution?
Answer:
33.58 Moles
Explanation:
7.3 L * 4.6 M / L = 33.58 Moles
- 5. Describe the general trend in atomic radil across a row of the periodic table.
Answer:
Across a row, atomic radii decreases.
Explanation:
It decreases because nuclear charge increases across a row, electrons are added to the same shell and shielding remains constant. Therefore the outer electrons are more attracted to the nucleus making the atom smaller.
An unknown organic compound composed of carbon, hydrogen and oxygen was analyzed and found to be 60% C, 8% H and the rest being oxygen Its molecular weight is found to be 300g What is its molecular formula?
at standard pressure, what is the temperature at which a saturated solution of NH4Cl has a concentration of 60g NH4CL/100 g H2O
Answer: Temperature = T, unknown
Saturated Solution, NH4Cl concentration = 60g/100g H2O = 0.6g NH4Cl/g H2O
Assume density of H2O = 1 g/ml
m = 0.6g NH4Cl/g H2O / 1 g/ml
m = 0.6g NH4Cl/ml
See the table of saturated solutions and identify the temperature at which the concentration of NH4Cl is 60g/100g H2O.
Explanation: The line on the graph on reference table G indicates a saturated solution of NH4CL as a concentration of 60. g NH4 Cl/100. g H2O
The arrows and yellow colored blocks indicate the ? Elements
Answer: The arrow and blue colored blocks denote the transition metal components.
what is the heat of fusion of water in calories per mole?
Answer:
79.72 Calories
Explanation:
Answer:The heat of fusion for water at 0 °C is approximately 334 joules (79.7 calories) per gram, and the heat of vaporization at 100 °C is about 2,230 joules
Explanation: i really hope this helps but im not sureif this is exactly what your looking for :)
please answer all parts and explain?
Answer:
a
Explanation:
this is the correct answer
Are physical changes and chemical changes qualitative or quantitative data?
Some water released 7800 J of energy when cooled from 78°C to 33°C. What was the mass of the water?
Answer:
-41. 47
Explanation:
m = q / Cp x T
m = Mass
q = Energy (or joules)
Cp = Heat Capacity
T = Change in Temperature
Water's heat capacity is always 4.18.
This is the formula you'll need for change in temperature:
Final - Initial
So, 33 - 78 = -45
m = 7800 / 4.18 x -45
= -41.47
A breakfast of cereal, orange juice, and milk might contain 230 nutritional Calories. How much is this in Joules?
A) 200,970 J
B)962,320 J
C)740,980 J
D)100,525 J
Answer:
B
Explanation:
962,320 J
230 nutritional Calories in Joules is 962,320 J
What does the scientific method help test in environmental science?
The scientific method is a way to test a
and gain a better understanding of the world.
Answer:
The scientific method is a way to test a hypothesis and gain a better understanding of the world.
Explanation:
The scientific method is a process used to explore observations and answer questions. The usual process involves making conjectures -that would be the hypotheses-, drawing predictions resulting from a logical consequence, and carring out experiments based on those predictions. The ultimate goal is to test a scientific hypothesis.
Why are fossil fuels considered nonrenewable resources?
A. Because they are made from hydrocarbons
B. Because they are harmful to the environment
C. Because they take millions of years to recreate
D Because they are org&ic material
Answer:C they take millions of years to create
Explanation: Fossil fuels are created basically from the fossils of living organismorganisms and take millions of years to form
Because fossil fuels are made from the remains of ancient plants and other species that existed millions of years ago, they are considered a non-renewable resource. Therefore, the correct option is C.
They are formed as a result of the aggregation and compression of organic matter, including dead plants and bacteria, over a long period of time. Since this geological process takes millions of years to complete, it takes a very long time (compared to human lifetimes) for fresh fossil fuel resources to be generated. Once mined and used up, fossil fuel reserves such as coal, oil and natural gas cannot be replaced over time. Non-renewable resources are those that have a limited supply and take a long time to manufacture.
Therefore, the correct option is C.
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How does the heat flow from the coffee to the part of the spoon in the coffee?
Answer:
Heat flows from the coffee to the spoon through conduction
Explanation:I did the lab assignment
Answer:
Heat can travel from one place to another in three ways: Conduction, Convection and Radiation. As the spoon is in direct contact with hot mug of coffee the heat will transfer to spoon this represent the process of conduction.
difference between insulin resistance and insulin sensitivity? with source and thank
Answer:
Insulin resistance and insulin sensitivity are two sides of the same coin. If you have insulin resistance, you have low insulin sensitivity. Conversely, if you are sensitive to insulin, you have low insulin resistance.
Explanation:
searched it hope it helps
Which statements about fresh-water sources are true.? (Multiple Choice) (please help asap thanks!:)
Answer:
The correct answers are:
"Only about 3 percent of Earth's water is fresh water."
"About 75% percent of the fresh water on Earth is frozen in ice sheets."
"The largest source of usable fresh water is groundwater."
Explanation:
3 percent of Earth's water is most certainly fresh water. Confirmed with a few fact checks.
The largest source of usable fresh water on Earth is groundwater. It's more difficult to access but it's there and much more usable than water say frozen in ice on the sea.
The most correct option left would be 75% of Earth's freshwater being in ice sheets even though it's about 70%.
Water exists as a liquid in what temperature range?
Answer: between 0 degrees Celsius and 100 degrees celsius
What is the molarity of a solution when 2.75 grams of NaCl is dissolved in 1100 ml of solution
how is preciptation formed
(im rlly bad at this D:
Answer:
precipitation is formed by to much water in a cloud
Explanation:
pls help me with this questionnn :))
Answer:
B. Sill
Explanation:
Magma that squeezes between horizontal rock layers hardens to form a sill. A dome mountain forms when uplift pushes a large body of hardened magma toward the surface, which eventually becomes exposed.
The largest mass of silver chloride precipitated is when excess silver ions are added to
A 25.0cm3 of 0.80M hydrochloric acid.
B 30.0cm3 of 0.30M iron(III) chloride solution.
C 50.0cm3 of 0.20M magnesium chloride solution.
D 50.0cm3 of 0.50M sodium chloride solution.
answer is B but have no clue why!
The largest mass silver chloride is precipitated when excess silver ions are added to 30.0cm3 of 0.30M iron(III) chloride solution.
What is a precipitation reaction?A precipitation reaction is a reaction in which an insoluble substance is obtained when two solutions are mixed together as a result of one of the products of the reaction being insoluble in water.
Silver chloride is an insoluble salt that will precipitate when a single silver salt is added to a soluble chloride salt.
In the above, the largest mass silver chloride is precipitated when excess silver ions are added to 30.0cm3 of 0.30M iron(III) chloride solution since iron (iii) chloride is a weak electrolyte.
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write the net ionic reaction for barium nitrate + lithium iodide
The net ionic reaction for barium nitrate and lithium iodide showing the precipitation of barium iodide is given below:
[tex]Ba^{2+}(aq) + 2I^{-}(aq) \rightarrow BaI_2(s)[/tex]
What is a net ionic equation?A net ionic equation is an ionic equation which shows only the ions that have undergone both reduction and oxidation only without any spectator ions present.
The net ionic reaction for barium nitrate + lithium iodide is given below:
[tex]Ba^{2+}(aq) + 2I^{-}(aq) \rightarrow BaI_2(s)[/tex]
Therefore, net ionic reaction for barium nitrate and lithium iodide shows the precipitation of barium iodide.
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Which of the following is a correctly balanced reaction equation?
-CaCl2+ NaOH -> NaCl2+ Ca(OH)
-CaCl2 + 2NaOH -> 2NaCl + Ca(OH)2
-CaCl2 + NaOH -> NaCI + Ca(OH)2
-2CaCl2 + 4NaOH -> 4NaCl + 2Ca(OH)2
Answer:
CaCl2 + 2NaOH -> 2NaCl + Ca(OH)2
Explanation:
Determine the rate of a reaction that follows the rate law: rate = k[A]^m[B]^n, where k = 1.5
Does CH3F have a higher boiling point than BRF?
Answer:
The boiling point of the fluoromethane (CH3F) is higher than that of fluorine (F2).
Identify the tectonic plate boundaries.
convergent plate boundary and divergent plate boundary an island arc oceanic spreading ridge a trench and continental crust
Divergent boundaries and convergent boundaries are the opposite processes that occurs in the tectonic plates.
Difference between Divergent and convergent boundariesDivergent boundaries are the regions where new crust is formed when the plates pull away from each other while on the other hand, Convergent boundaries are the regions where crust is destroyed when one plate dives over another.
So we can conclude that Divergent boundaries and convergent boundaries are the opposite processes that occurs in the tectonic plates.
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Three examples of
solid and gas solution
Answer:
Solutions having solvent in solid-state and solute in the gaseous state are called gas-solid solution. Hydrogen is a gas at STP and platinum is solid. Hence, Hydrogen gas adsorbed on the surface of platinum is an example of gas in solid solution.
How many moles of LIF are contained in 10.0 L of a 7.50 M solution
The number of moles of LIF are contained in 10.0 L of a 7.50 M solution is 75 moles.
What is molarity?Molarity of any solution is define as the number of moles of solute present in per liter of volume of solution and it is represented as:
M = n/V
Given that, Molarity of LiF solution = 7.50 M
Volume of solution = 10L
On putting values on above equation, we get moles
n = (7.50)(10) = 75 moles
Hence required moles of LiF is 75 mol.
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Pure sodium metal explodes when it makes contact with water. In its natural state, chlorine is a deadly, poisonous gas. When these two chemicals combine, they form a harmless, white powder known as sodium chloride or table salt. Which of the following statements does this information support?
A.
Heat must be added in order to change the chemical properties of substances.
B.
When substances are chemically combined, the properties of the new substances that are formed are often different from the properties of the original substances.
C.
The properties of substances change during chemical reactions but then later go back to their original condition.
D.
When substances are chemically combined, the properties of the new substances that are formed are the same as the properties of the original substances.
Answer:
B) "When substances are chemically combined, the properties of the new substances that are formed are often different from the properties of the original substances."
Explanation:
From the information given, the question was juxtaposing how dangerous the reactants Sodium and Chlorine were at their elemental, natural states with how harmless the product is by combining both of them. There isn't any other statement beside B which is supported by this.
Usually however, most reactions that make NaCl are done through acid-base titrations because they form the salt and water when neutralized.
Answer:
B
Explanation:
All substances have their own unique chemical and physical properties. When substances are chemically combined (i.e., when substances undergo a chemical reaction), the properties of the new substances that are formed are often different from the properties of the original substances.
why does water boil at 100° Celsius while hydrogen sulphide boils at 58
degrees Celsius?
When vapor pressure reaches an equivalent value to the surrounding air pressure, the liquid(in this case water) will boil. When at sea level, vapor pressure is equal to the atmospheric pressure which is at 100 degrees celsius. Water has a high boiling point because water requires more energy to break its hydrogen bonds before it can boil to high.
True or False.....the number of protons in a stable atom is the same as the number of electrons it has.
Answer:
true
Explanation:
I would say true because it has an equal number of protons and electrons
Sorry if wrong..
Answer:
True
Explanation:
Protons and Electrons are equal if the atom is neutral or stable, which means it has a net charge of 0.