Part C Firefly luciferase is the enzyme that allows fireflies to illuminate their abdomens. Because this light generation is an ATP-requiring reaction, firefly luciferase can be used to test for the presence of ATP. In this way, luciferase can test for the presence of life. The coupled reactions are 1.2.luciferin+O2ATP⇌⇌oxyluciferin+lightAMP+PPiΔG∘=−31.6 kJ/mol If the overall ΔG∘ of the coupled reaction is -4.80 kJ/mol , what is the equilibrium constant, K, of the first reaction at 6 ∘C ?

Answers

Answer 1

Answer:

K = 9.620 × 10⁻⁶

Explanation:

From the given information:

Temperature T= 6° C

= (273 + 6)K

= 279 K

The correct and well presentation of the reactions are:

1. [tex]Luciferin + O_2[/tex]     ⇆     oxyluciferin + light   ΔG₁°

2. ATP                     ⇄   AMP + PP[tex]_i[/tex]                  ΔG₂°  = -31.6 kJ/mol

The overall  ΔG° = -4.80 kJ/mol

Let's first determine the ΔG₁° for the equation (1)

ΔG° = ΔG₁° + ΔG₂°

- ΔG₁° = - ΔG° + ΔG₂°

ΔG₁° = ΔG° - ΔG₂°

ΔG₁° = ( -4.80 - (-31.6) ) kJ/mol

ΔG₁° = 26.8 kJ/mol

Using the formula:

ΔG° = -RTIn K

[tex]In \ K =\dfrac{-\Delta G^0}{RT} \\ \\ log \ K = -\dfrac{\Delta G^0}{2.303RT}[/tex]

[tex]log \ K = -\dfrac{\Delta G_1^0}{2.303RT} \\ \\ log \ K = -\dfrac{26.8 \times 10^3 \ J/mol}{2.303\times 8.314 \ J/mol/K \times 279 \ K} \\ \\ log \ K =- 5.017[/tex]

K = antilog (-5.017)

K = 9.620 × 10⁻⁶


Related Questions

A researcher is crossing two organisms that are heterozygous for three Mendelian, unlinked traits (XxYyZz). What is the fraction of offspring that are predicted to have the genotype xxyyzz?

Answers

Answer:

the fraction of offspring that are predicted to have the genotype xxyyzz = 1/64

Explanation:

Due to technical problems, you will find the complete explanation in the attached files

According to the question, a researcher is crossing two organisms that are heterozygous for three Mendelian, unlinked traits (XxYyZz) the fraction of offspring that are predicted to have the genotype xxyyzz = 1/64.

as the crossing over between XxYyZz * XxYyZz.

What are the 3 principles of Mendelian genetics?

The fundamental principles of Mendelian inheritance by Mendel's three laws:

The Law of Independent Assortment, Law of Dominance, and Law of Segregation.

Thus,the genotype xxyyzz = 1/64.

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The absence of at least one essential nutrient is called

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Answer:

Malnutrition

Explanation:

What were the objectives of the outer space mission Pathfinder? What was expected in terms of information to be gathered by it?

Answers

Answer:

The Pathfinder was designed primarily to demonstrate a low-cost way of delivering a set of science instruments and a free-ranging rover to the surface of the Red Planet. Pathfinders demonstrated a number of innovative, economical, and highly effective approaches to spacecraft and mission design. Info gathered by a Pathfinder included engineering data on the new technologies, and analysis of the Martian atmosphere, climate, geology, and the composition of its rocks and soil.

Explanation:

https://mars.nasa.gov/mars-exploration/missions/pathfinder/

Which Texas ecoregion described below was formed due to weathering and erosion? A Edwards Plateau - home to rare organism that live in canyons B. Piney Woods - high density of vegetation, pines, oaks, and croplands with nutrient rich soil CC Crosstimbers - high concentration of trees, plains and parries with soil that drains water easily D Post Oak Savannah - transitional area of plant life ranging from grasslands to forests with fertile soll can yi​

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Answer:

d

Explanation:

because

A phase when the cell focuses solely
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Answers

Answer: A cell spends most of its time in what is called interphase, and during this time it grows, replicates its chromosomes, and prepares for cell division. The cell then leaves interphase, undergoes mitosis, and completes its division.

Interphase is the longest phase that the cell grows in

A population of 24000 has couples that have 2 babies. What is the number of babies?

Answers

Answer:12000 babies

Explanation: 24000/2 = 12000

Examine the population growth curve shown below.


Which of the following most likely caused the sharp decline in population at point B?
A.
disease
B.
overpopulation
C.
emigration of a competing species
D.
a shortage of food

Answers

Answer:

I believe the answer is A: disease

QUANTO A UMIDADE E OS ALIMENTOS É INCORRETO AFIRMAR QUE:

A) A UMIDADE RELATIVA ESTÁ RELACIONADA AO AMBIENTE ONDE O ALIMENTO ESTÁ

B) PARA PROTEGER O ALIMENTO DA UMIDADE É IMPORTANTE O USO DE EMBALAGENS

C) A UMIDADE RELATIVA PODE INTERFERIR NA ATIVIDADE DE ÁGUA DO ALIMENTO.

D) QUANDO A ATIVIDADE DE ÁGUA É MENOR QUE A UMIDADE RELATIVA, O ALIMENTO PERDE ÁGUA.​

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Answer:

si amigo

Explanation:

What happens at locations where magma convection currents flow away from one another?

A. Overlying, adjacent plates collide violently.

B.groundwater rises to the surface.

C.new crust is formed along the boundary.

D.oceanic plates slide beneath continental plates.

E.overlying, adjacent plates are pulled apart.

Answers

Overlying, adjacent plates are pulled apart when magma convection currents flow away from one another.

What is magma conventions?

Magma is the molten rock below the crust, in the mantle. Tremendous heat and pressure within the earth cause the hot magma to flow in convection currents. These currents cause the movement of the tectonic plates that make up the earth's crust.

As tectonic plates slowly move away from each other, heat from the mantle's convection currents makes the crust more plastic and less dense. The less-dense material rises, often forming a mountain or elevated area of the seafloor. Eventually, the crust cracks.Hence, option E is correct.

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Answer:

What happens at locations where magma convection currents flow away from one another? 

A. Overlying, adjacent plates collide violently. 

B. Groundwater rises to the surface.  

C. New crust is formed along the boundary. 

D. Oceanic plates slide beneath continental plates.  

E. Overlying, adjacent plates are pulled apart.

a. una
b.scapula
c.sterum
d.clavicle

Answers

Answer:

It is Sternum

Explanation:

The sternum or breastbone is a long flat bone located in the central part of the chest. It connects to the ribs via cartilage and forms the front of the rib cage, thus helping to protect the heart, lungs, and major blood vessels from injury.

Circle FIVE keywords associated with transport of water and minerals in plants

Answers

Answer:

1) Suction

2) Root pressure

3) Transpiration

4) Xylem

5) Phloem

Explanation:

Answer:

XYLEM

TRACHEID

SUCTION

ROOT PRESSURE

TRANSPIRATION

Explanation:

the word root that means lung is​

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Answer:

I think is Pulmonary

correct me if I'm wrong

It’s actually pulmo originating from Latin

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The sun is at the _______ of the planets.

The Earth is ______ of the planets.

All the planets _______around the sun.

Each planet revolves around the sun in its own______ and at different _______
.

The moon______ around the Earth.

The stars are ______part of the solar system.

Answers

Sun is at the Centre

All the planets revolve around sun
Each planet revolves around the sun in its own orbit and at different speed
The moon revolves around the sun

Dont know 2

Answer:

The theory of Copernicus contained six hypotheses:

The sun is at the center of the planets.

The Earth is one of the planets.

All the planets orbit around the sun.

Each planet revolves around the sun in its own orbit and at different distances.

The moon orbits around the Earth.

The stars are not part of the solar system.

Explanation:

hope this helps :)

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Answers

Answer:

Blood cells are produced in the bone marrow of the body more specifically they become blood cells from first being stem cells which then divide until they reach a mature red blood cell stage. ( or other types of cells, stem cells are like the blank template for either red blood cells, white blood cells, or platelettes.)

Explanation:

Red blood cells, most white blood cells, and platelets are produced in the bone marrow, the soft fatty tissue inside bone cavities. Two types of white blood cells, T and B cells (lymphocytes), are also produced in the lymph nodes and spleen, and T cells are produced and mature in the thymus gland.

performed experiments using radioactively
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1 pts

Answers

I think the answer is B

What do you think it is?

Answers

Answer:

oak treeeee 100000000%%%Explanation:

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prophase
B
metaphase
anaphase
D
telophase

Answers

Answer:

Hi, there

Prophase

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Explanation:

Hope this helps :)

A...........................

Renewable Energy is the best solution to Coal, Petroleum, Nat Gas, and Nuclear

True or false

Answers

Explanation:

coal , petroleum,Net Gas , Nuclear are the non renewable source of energy .

so

False is the answer of your question

False... because nuclear is not a renewable energy.

why do prevailing winds and positions of islands cause warm ocean currents to pass Christchurch in normal years

Answers

Prevailing winds and positions of islands cause warm ocean currents to pass Christchurch in normal years for the following reasons:

The prevailing winds in the region are generally from the southwest.The position of islands such as New Caledonia and Norfolk Island can also influence the movement of warm ocean currents in the region.

In the case of Christchurch, there are a few reasons why warm ocean currents tend to pass by the region in normal years:

Warm ocean currents are typically driven by prevailing winds, oceanic currents, and other factors such as the shape of coastlines and the positions of islands.

The prevailing winds in the region are generally from the southwest. These winds blow parallel to the coastline, which means that warm ocean currents are deflected away from the shore and towards the east. As a result, the waters off the coast of Christchurch are generally cooler than those further north or northeast. The position of islands such as New Caledonia and Norfolk Island can also influence the movement of warm ocean currents in the region. These islands help to direct the flow of warm water towards the Coral Sea and the Tasman Sea, rather than towards the coast of New Zealand. This means that Christchurch, which is located on the eastern coast of the South Island, is less likely to experience the effects of warm ocean currents.

Note: That oceanic currents and winds can be affected by a range of factors, including El Niño and La Niña events, which can cause changes in sea surface temperatures and alter the path of ocean currents. As a result, there may be some years when warm ocean currents do reach Christchurch, even if this isn't typically the case in normal years.

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In order for a protein to be an integral membrane protein it would have to be which of the following?

Answers

Answer:

Integral membrane proteins

Explanation:

also called intrinsic proteins, have one or more segments that are embedded in the phospholipid bilayer. Most integral proteins contain residues with hydrophobic side chains that interact with fatty acyl groups of the membrane phospholipids, thus anchoring the protein to the membrane.


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O mineral absorption
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Answers

Answer:

d

Explanation:

Answer: d

Explanation:

2. When an object gets warmer it is:

a. loosing energy

b. keeping the same energy

c. gaining energy

Choose one correct answer.''

Answers

your answer is c. gaining energy

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Answers

Answer:

B.

*Read the explanation plz

Explanation:

A actually increases sutainability, and C is just wrong. It's technically saying that we should not let humans be born, we shouldn't let people get pregnant, which of course no one is gonna listen to. So B is right because if we consume too many things, the next generation won't have as many resources as they need to survive.

what has the most biodiversity: tundra, taiga, temperature forest, tropical rain forest, grassland, or desert?

Answers

tropical rain forest

WhiWhich of the following statements about traits is true?
A. All organisms within a population will have the sametraits.
B.A trait that is helpful in one environment will benefit organisms in all environments.
C. Organisms with helpful traits are more likely to survive and pass those traits on to their offspring.
D. An organism cannot have traits that would help it survive in environmental conditions that are different from the conditions of its habitat.

Answers

Answer:

C

Explanation:

Survival of the fittest

Answer:

I believe the correct answer is

C. Organisms with helpful traits are more likely to survive and pass those traits on to their offspring.

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Answers

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Explanation:

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