In the experiments conducted by avery, mccarty, and macleod, which hypothetical result would indicate that protein, not nucleic acid, was griffith's transforming substance?

Answer:

0.036g

Explanation:

I've learned about sig figs

When phosphate is added to ADP to form the energy-storing molecule ATP, this is often often known as phosphorylation and, since water is additionally produced, this reaction is additionally considered a condensation reaction.

What are phosphorylation and condensation?

Phosphorylation could also be a condensation reaction that is important for the functioning of sugars, lipids, and proteins and is critical when it involves regulating the function of enzymes. one among the simplest phosphorylation reactions in nature is the phosphorylation of glucose which is the first step in glycolysis.

What happens when a phosphate molecule is added to ADP?

When the cell has extra energy (gained from breaking down food that has been consumed or, within the case of plants, made via photosynthesis), it stores that energy by reattaching a free phosphate molecule to ADP, turning it back to ATP. The ATP molecule is simply like a rechargeable battery.

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In the formation of ammonia, nitrogen shares three electrons in a covalent bond with three hydrogen atoms

We can see  that nitrogen has five electrons on its outermost shell. It is able to accept three electrons and share them with another atom in order to form a covalent bond.

In the formation of ammonia, nitrogen shares three electrons in a covalent bond with three hydrogen atoms to give the compound [tex]NH_{3}[/tex]. This explains why the bond that exists in the ammonia molecule is a covalent bond.

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Scattering occurs when particles or large gas molecules present in the atmosphere interact with and cause the electromagnetic radiation to be redirected from its original path. How much scattering takes place depends on several factors including the wavelength of the radiation, the abundance of particles or gases, and the distance the radiation travels through the atmosphere. There are three (3) types of scattering which take place.

Scattering is a term used in physics to describe a broad vary of physical processes where moving particles or radiation of some form, such as light or sound, are compelled to deviate from a straight trajectory with the aid of localized non-uniformities (including particles and radiation) in the medium thru which they pass by.

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The required force is 280 N.

We must subtract our individual forces in order to calculate the net force.

In general, whenever forces act on an object in opposite directions-the net force is equal to the difference between the two forces.

To calculate the net force, one force is subtracted from the other. therefore, here

325 N is force 1 to the right.

45 N is force 2 to the left.

Force 1 - Force 2 is the net force.

net force= 325N - 45N

net force= 280 N

So the required force is 280 N.

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The net force of the runner would be 280 N.

Hope this helps! Also, if you need help with the other questions regarding this assignment, feel free to check out the study set I made on Quizlet. Thanks and good luck!

Quizlet - "Unit 6: Lesson 2 Newton's First Law QC"

h t t p s : / / q u i z l e t. c o m / 7 3 7 7 5 9 5 5 5 / u n i t - 6 - l e s s o n - 2 - n e w t o n s - f i r s t - l a w - f l a s h - c a r d s / ? n e w

One serving of peanuts has about 166.000 calorie then in joules are  695,000 Joule means  694.544 Joule and 'joule is the amount of energy exerted when a force of one newton is applied over a displacement of one meter'

A calorie is a unit of energy in nutrition, calories refer to the energy people get from the food and drink they consume, and the energy they use in physical activity and calories are listed in the nutritional information on all food packaging many weight loss programs center around reducing the intake of calories.

Here given data is peanuts = 166.000 calories given in the calories then we have to find in joules = ?

In the thermochemical calories to joule we have one given value i.e

1cal th = 4.184 J means here 1 cal  =  4.184 J

So, we have to calculate 166.000 calories

Then, 4.184×166.000

= 694.544 J

Which is approximately 695,000 J

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The atomic number of oxygen is 8. The mass number of an oxygen atom with 7 neutrons is 15.

Atomic mass is the average mass of the atom. It is measured in atomic mass units, that is Dalton. The mass number is calculated by the number of neutrons and atomic number.

The atomic number is the number of protons present in the atoms. The atomic number of oxygen is 8

The mass number can be calculated by adding those units

atomic number + number of neutrons

Mass number = 8 + 7 = 15

Thus, the mass number of an oxygen atom with 7 neutrons is 15.

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Henderson's Hasselbalch equation for the propanoic acid

[tex]solution \: is \: pH=4.874 + log \frac{[A ^{ - } ] }{HA}[/tex]

This is called known as the Henderson- Hasselbalch equation which relates the pH of an acid aqueous solution with the acid dissociation constant.

[tex]pH=pK _{a } + log \frac{Conjugate \: base}{acid}[/tex]

The Henderson-Hasselbalch equation is derived from the definition of the acid dissociation constant as follows.

Consider the hypothetical compound HA in water.

[tex]HA +H _{2}O→ H _{3} O ^{ + } + A^{ - } [/tex]

The acid dissociation constant of HA,

[tex] [H _3O ^{ + }] = K _a \times \frac{HA}{[A ^{ - } ] }[/tex]

[tex]log [H _3O ^{ + }] = logK_a+log\frac{HA}{[A ^{ - } ] }[/tex]

Multiply both sides of the equation by -1.

[tex]-log[H_3O ^{ + }]=-logK_a-log\frac{HA}{[A ^{-} ] }[/tex]

[tex]pH=pK _{a }+log \frac{[A ^{ - } ] }{HA}[/tex]

[tex][HA] = [A-][/tex]

[tex]pH =pKa +log1[/tex]

[tex]pH = pKa + 0[/tex]

pH=pKa

pKa value of compounds can be determined experimentally using its relation with pH.

According to the Henderson-Hasselbalch equation, when the concentrations of the acid and the conjugate base are the same, i.e when the acid is 50% dissociated, the pH of the solution is equal to the pKa of the acid.

[tex]pK _{a } \: value \: for \: propanoic \:acid \: = 4.874[/tex]

[tex]Let \: propanoic \: acid \: be \: HA.[/tex]

[tex]Let \: propionate \: be \:A ^{ - } .[/tex]

So Henderson-hasselbalch equation for the propanoic acid solution is,

[tex]pH=pK _{a } + log \frac{[A ^{ - } ] }{HA}[/tex]

[tex]pH=4.874 + log \frac{[A ^{ - } ] }{HA}[/tex]

Therefore, Henderson's Hasselbalch equation for the propanoic acid solution is

[tex]pH=4.874 + log \frac{[A ^{ - } ] }{HA}.[/tex]

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The technique that is used to separate chemical mixtures by solubility is evaporation.

Solubility is defined as the process by which a substance called solute is able to dissolve in a solvent to form a solution.

Evaporation is an example of separation technique that helps in the separation of two substances based on their solubility.

Other examples of separation technique include the following:

When two substances form a solution, both can be separated into its different constituents through heating the solution in the process of evaporation.

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Answer:

Yes is my final answer

Explanation:

1. Scrap iron is used to displace copper because it is a more reactive, cheaper metal, making it a cost-effective way to produce copper. Scrap or old iron is also easier to obtain, as it is one of the world’s most recycled scrap metals. During a displacement reaction, iron reacts with a copper sulphate solution. This causes the iron ion to displace the copper to form iron sulphate, with solid copper being produced as a result.

Answer:

Explanation:

b. 3 sig figs

c. 3 sig figs

d. 2 sig fig

e. 4 sig fig

f. 4 sig fig

g. 4 sig fig

h. 2 sig fig

i. 5sig fig

When we half the quantities of reactants and products in a reaction, the value of the equilibrium constant remains the same.

Formula:

K = [P]/[R]

Here, [P]  is the concentration of the product.

[R] is the concentration of reactant.

[R]2= 1/2×[R]1 and [P]2 = 1/2×[P]1

K1 =  [P1] / [R1]

K2 = [P2] / [R2]

K2/K1 = [P2] / [R2]  ÷ [P1] / [R1]

K2/K1 = [P2] / [R2] x [R1] / [P1]

K2/K1= 1/2×[P]1 ÷ 1/2 [R1] x [R1] / [P1]

K2=K1 = 1/2  ÷ 1/2

K2/K1 =  1/2 x 2/1

K2 / K1 = 1

K2 = K1

Thus, the value of the equilibrium constant remains the same.

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3.45g sulfuric acid will be present in the mixture after the reaction is complete.

H₂SO₄ (aq) + Pb(CH₃COO)₂ (aq) ⇌ PbSO₄ (s) + 2 CH₃COOH (aq)

1 mole of sulphuric acid reacts with 1-mole lead(II) acetate to give 1-mole lead(II) sulfate and 2-mole acetic acid.

Mass of lead acetate reacting = 5.00g

Mass of sulphuric acid reacting = 5.00 g

Now, calculating the no. of moles of each reactant involved:

No. of moles = [tex]\frac{Given mass of substance}{Molar mass of substance}[/tex]

Moles of sulphuric acid = [tex]\frac{5.00g}{98.08g}[/tex]  

                                       = 0.510 mol

Moles of lead acetate = [tex]\frac{5.00g}{325.29g}[/tex]

                                    = 0.0158 mol

Thus,  0.0158 moles of lead acetate will react with 0.0510 moles of sulphuric acid to give 0.0158 moles of lead sulfate and 0.0158 × 2 = 0.0316 moles of acetic acid.

Therefore, only 0.0158 moles of sulphuric acid will react.

So, the remaining moles = 0.510 - 0.0158

                                         = 0.0352 mol

Remaining mass of sulphuric acid = 0.0352 × 98.08

                                                        = 3.45g

Hence, 3.45g sulfuric acid will be present in the mixture after the reaction is complete.

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Solutions of sulfuric acid and lead (II) acetate react to form solid lead (II) sulfate and a solution of acetic acid, 5.00 g of sulfuric acid, and 5.00 g of lead(II) acetate are mixed. Calculate the number of grams of sulfuric acid present in the mixture after the reaction is complete.

To make sure the data they collect are accurate

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The earthquakes distributed on the map on the fault lines at edge of tectonic plates.

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Convincing evidence that entropy increased when the wall was removed, when the distribution of ball speeds evened out, and there was no longer a significant difference in distributions between the two boxes.

Entropy is just a measure of disorder and affects all aspects of our daily lives. If you add more energy by heating the gas, the amount of various possibilities for arranging the energy over the molecules increases.

For example, when a hot object is placed up-to-date with a chilly object, heat flows from the warmer one to the Entropy, never spontaneously from colder to hotter. If heat were to go away from the colder object and pass to the warmer one, energy could still be conserved.

The Second Law indicates that thermodynamic processes, i.e., processes that involve the transfer or conversion of warmth energy, are irreversible because all of them lead to a rise in entropy. Entropy measures what quantity thermal energy or heat per temperature.

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After being made in glycolysis and the krebs cycle the nadh and fadh2 bring the electrons to: ATP.

NADH and FADH2 molecules formed during Glycolysis and biological processes carry their electrons to the electron transport chain. The electron transport chain creates a proton gradient that ultimately ends up in the assembly of an outsized amount of ATP.

High-energy electrons are released from NADH and FADH2, and they move along electron transport chains, like those employed in photosynthesis. because the high-energy electrons are transported along the chains, a number of their energy is captured.

Both NADH and FADH2 donate two electrons to the electron transport chain, so theoretically they must make the identical amount of ATP.

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To make a water insoluble substance water soluble, a chemist can add groups with bonds between atoms with different attraction for electrons.

A water soluble drug or substance is easier to be taken up in your digestive system.

Positive and negative are attracted which makes a cohesive structure. When polar compounds or ions gets added to the water, these compounds breaks down or degrades into smaller components. They also might dissolve to become the part of the solution.

The partial charges of water attracts the various parts of a compound. When attraction occurs, it gets more soluble in the water.

Thus, by adding groups with bonds between atoms with different attraction for electrons, substance can become water soluble.

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answer:

d. the study of heat flow.

explanation:

thermodynamics is the study of the relations between heat, work, temperature, and energy.

Sodium bicarbonate or beta-alanine used to improve anaerobic performances exert their effect on the slow rate of decrease of creatine phosphate.

Anaerobic means "with the air" and refers to the body's use of oxygen to produce energy. This typically includes exercises that last longer than 2 minutes. Continuous "steady state" exercise is done with aerobic exercise. Anaerobic means "without air" and refers to the body's ability to produce energy without using oxygen.

Examples of aerobic exercise include swimming laps, running, or cycling. Anaerobic exercise involves a rapid burst of energy and is performed with maximum effort in a short period of time. Examples include jumping, sprinting, and lifting heavy objects. "Walking is a great aerobic exercise. It's thought to be weight-bearing and good for bone strength and health," he says. Oftentimes, people feel unwell and want to lose weight and get fit, but think they need a gym membership to exercise.

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Answer:

The volume that a 200 g gold sample would have is 10.36 mL.

Step-by-step explanation:

In this case it is known that the density of gold is 19.3 g / mL. This indicates that in 1 mL there are 19.3 g. Then the following rule of three can be applied: if 19.3 g is contained in 1 mL, how much volume is 200 g of gold?

volume= 10.36 mL

The first location of chemical and mechanical digestion is the stomach. This statement is false.

Digestion is the breaking down of large insoluble food molecules into smaller water-soluble food molecules so that they can be absorbed into the aqueous plasma. In certain organisms, these small substances are absorbed from the small intestine into the bloodstream. Digestion is important for breaking down food into nutrients that the body uses for energy, growth, and cell repair that it needs to survive.

The digestive system has many forms. A basic distinction is made between internal and external digestion. External digestion evolved early in evolutionary history, and most fungi still rely on it. During this process, enzymes are secreted into the organism's environment, where organic substances are decomposed and some of the products diffuse back into the organism. Animals have a tube (alimentary canal) where internal digestion takes place. This is more efficient as more decomposition products can be trapped and the internal chemical environment can be more effectively controlled.

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Solid calcium carbide, cac2, reacts with water to form an aqueous solution of calcium hydroxide and acetylene gas, c2h2

CaC2(s)+2H2O(l)→Ca(OH)2(aq)+C2H2(g)

A solution is a homogeneous mixture of two or more components with particle sizes less than 1 nm. Common examples of solutions are the sugar in water and salt in water, soda water, etc. All components appear as one phase in the solution.

Examples of solutions include salt water, rubbing alcohol, and sugar dissolved in water. If you mix salt and water and look closely, you will not see any salt particles and you will have a homogeneous mixture.

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The distance covered by the jet airplane in 10 minutes is 124.582 Km

Speed is the distance travelled per unit. Mathematically, it can be expressed as:

Speed = distance / time

With the above formula, we can obtain the distance. Details below

The following data were obtained from the question:

Speed = distance / time

Cross multiply

Distance = speed × time

Distance = 746 × 0.167

Distance = 124.582 Km

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E-mail is usually a poor choice for the distribution of sensitive electronic files because e-mail is saved on that server which transfers it.

What is E-mail?

Electronic mail, also known as email or e-mail, is a way for individuals to communicate with one another using electronic devices. At a time when "mail" solely referred to physical mail, email was therefore developed as the electronic (digital) equivalent of, or counterpart to, mail (hence the prefix e- + mail).

In many realms of business, trade, government, education, entertainment, and other aspects of daily life in most countries, an email address is now frequently seen as a vital and necessary element.Later, email developed into a ubiquitous (very popular) communication method.

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The correct answer is option a) A hypothesis is tested repeatedly and the results are confirmed and debated by the scientific community.

Scientific knowledge is the knowledge that has been acquired and tested using the scientific method. Scientific knowledge may also comprise the observation and classification of facts to establish verifiable knowledge gained through induction and hypothesis.

A hypothesis is a proposed explanation for an event that can be tested. Hypotheses, or tentative explanations, are typically generated within the context of a scientific theory. A widely accepted, rigorously investigated and verified explanation for a collection of observations or a phenomenon is what is known as a scientific theory. The basis of all scientific knowledge is a scientific theory.

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Scientific knowledge results from the interaction of scientists who are investigating natural phenomena. Which of these ​BEST describes how a scientific explanation becomes widely accepted?

a) A hypothesis is tested repeatedly and the results are confirmed and debated by the scientific community.

b) It is debated by the scientific community.

c) A hypothesis is tested repeatedly and the results of the tests are debated.

d) A hypothesis is tested repeatedly and the results are mostly supported by scientific investigations.

Answer: Nuclear fusion

Explanation:

I think

Differences between bacteria and viruses is that viruses do not have cell wall.

Only bacterial infections can be treated with antibiotics, viruses do not respond to antibiotics.

Antibiotics attack the cell wall or coating surrounding bacteria. There are two types of cell wall: Gram-positive and Gram-negative.

For example antibiotic penicillin:

After it was discovered, penicillin was very effective in destroying the bacterium Staphylococcus aureus. Today, because of natural selection in Staphylococcus aureus populations, they are resistant to antibiotics based on penicillin (Staphylococcus aureus bacterium is resistant to methicillin, β-lactam antibiotic of the penicillin class).

Staphylococcus aureus is a Gram-positive, round-shaped bacterium which causes a skin infections.

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