Answer:
Option-C
Explanation:
Delta G (△G) refers to the overall energy released during a chemical reaction when equilibrium is reached i.e the rate of conversion of product into the substrate is equal to the rate of conversion of substrate into product. Thus, △G accounts for the equilibrium of the reaction.
In the given question, it has been mentioned that △G of a reaction is -20 kcal/mol then how will it change if the amount of enzyme is doubled.
The △G is not affected by the enzyme concentration as the presence of enzyme affects the G (Gibbs free energy) and activation energy.
Therefore, △G will remain the same even if the amount of enzyme is doubled i.e -20 kcal/mol will be the correct value.
Thus, Option-C is the correct answer.
In the seventeenth century, Francesco Redi performed experiments using raw meat placed in jars.
• Half of the jars were covered, and half were left open,
• Redi noticed that the meat in the sealed jars did not have maggots, but the meat in the open jars did have maggots.
Redi concluded that only flies could make more flies,
.
Which part of the cell theory corresponds to Redi's findings?
Answer: B
Explanation:
''New cells come from the existing cells'' is a part of the cell theory which corresponds to Redi's findings.
Experiment performed by Francesco RediFrancesco Redi conducted an experiment in which he showed that living organisms come from other living organisms. This worked combine with the work of other later scientists, helped to develop the third part of the cell theory which is cells come from other living cells.
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What is one way during the G0 phase that a mistake during the cell cycle could result in problens for the G0 phase?
The G0 phase (G sub zero) or the zero of G is a period of the cell in which it remains in a vegetative state.This phase is related to the "Post-Mitotic" state because they are in a non-dividing phase outside of the cell cycle.
Which muscle cells are often considered as G0 phase cells?Poly-nucleated muscle cells that do not undergo cytokinesis are often considered G0 phase cells.The G0 phase is seen as a distinct and quiet stage that occurs outside the cell cycle.
Mitosis is the procedure with the aid of which a mobile replicates its chromosomes after which segregates them, producing two identical nuclei in training for mobile division. Mitosis is generally followed by way of same department of the mobile's content material into daughter cells that have identical genomes.
The two phases of cell cycle are interphase in which DNA replication occurs, 3 stages of interphase are: G1 phase, S phase and G2 phase and mitotic in which division occurs phase. Mitosis occurs after the completion of DNA replication and doubling of chromosome number and cell contents and after mitosis, two daughter cells are produced of equal number of chromosomes.
Therefore, The G0 phase (G sub zero) or the zero of G is a period of the cell in which it remains in a vegetative state.This phase is related to the "Post-Mitotic" state because they are in a non-dividing phase outside of the cell cycle.
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Which is true?
A.Ocean currents affect temperatures on land.
B. The ocean has no effect on the temperature on the land.
C. Ocean water does not move between locations.
D. All ocean water is the same temperature.
Answer:
I think it's A.
Explanation:
Sorry If I'm wrong
1. Energy transfer is inefficient between trophic levels because
A. Molecules are fully digested from each trophic level.
B. Dead organisms and waste are recycled throughout the trophic levels.
C. Organisms within a trophic level are fully consumed.
D. All organisms within a trophic level die.
2. Primary productivity is defined as
A. The rate that plants and other photosynthesis organisms produce organic compounds.
B. The process where green plants and some other organisms convert light energy into chemical energy using carbon dioxide and water.
C. The overall amount of energy captured by plants and other photosynthetic organisms by the chloroplast.
D. The adjusted amount of energy in an ecosystem due to energy use by organisms for respiration.
Thanks if you help, It's highly appreciated. :-)
Answer: b dead organisms And waste are recycled throughout the tropic levels.
Explanation:
Answer:
part 2
the rate that plants and other photosynthetic organisms produce organic compounds.
Explanation:
:)
Any one free
InboX me (◍•ᴗ•◍)❤
Answer:
hiii
Explanation:
the receptionist said to the manager,'I have booked your flight tickects for Monday'. change into imdirect speech
Answer:
The correct answer is- The receptionist told the manager that he had booked his flight tickets for Monday
Explanation:
Indirect speech is the expression any statement of a consverstaion that occured in past without quoting explicitly. Indirect speech is the stating any quoted statement in simple statement. In this type of speech some grammer and certain noun and pronoun change accordingly.
So the correct indirect speech of the receptionist said to the manager,'I have booked your flight tickects for Monday'. would be The receptionist told the manager that he had booked his flight tickets for Monday
Select the correct blsector of the segment.
M
А
B
M
2
M
D
M
Answer:
B
Explanation:
because it has a slant p and q bisector
What is the earth?
What is the atomosphere
Answer:
Earth's atmosphere is a layer of gases surrounding the planet Earth and retained by the Earth's gravity.
Explanation:
It contains roughly 78% nitrogen and 21% oxygen 0.97% argon and carbon dioxide 0.04% trace amounts of other gases, and water vapor. This mixture of gases is commonly known as air.
Answer:
Earth is the third planet from the Sun and the only astronomical object known to harbor life. About 29.2% of Earth's surface is land consisting of continents and islands.Earth's atmosphere is a layer of gases surrounding the planet Earth and retained by the Earth's gravity. It contains roughly 78% nitrogen and 21% oxygen 0.97% argon and carbon dioxide 0.04% trace amounts of other gases, and water vapor. This mixture of gases is commonly known as air.
Explanation:I cited this as my claim because it shows and explains the question that is giving.
What is the main function of the smooth and rough Endoplasmic Reticulum in a cell?
Answer:
Smooth endoplasmic reticulum provides vesicles for the Golgi apparatus whereas rough endoplasmic reticulum provides biochemical for the Golgi apparatus. Both smooth and rough endoplasmic reticulum helps in the synthesis and storage of proteins.
Hope this helped!
What does order mean in biology
Answer:
A taxonomic rank used to classify organisms that is typically lower than the class and consists of families with comparable natures or characteristics.
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Can u pls help me this is due today I will give brainliest
Answer:
exmaple z
Explanation:
it is the heaviest so it would require more to push
(Many points) PLS HELP QUICK dont guess answer pls ad dont say random answers for points pls
Cheng made a chart to list the functions of certain fish structures.
(The image below)
Which headings correctly complete the chart?
X: Fin
Y: Swim bladder
Z: Lateral line
X: Fin
Y: Lateral line
Z: Swim bladder
X: Lateral line
Y: Swim bladder
Z: Fin
X: Lateral Line
Y: Fin
Z: Swim bladder
Answer:
x:fin
y:lateral line
z:swim bladder
Answer: The answer for this question is Fin for x Lateral line for y and
swim bladder for z
Explanation:
I took the test
Mass measures the amount of ______ in a substance
or an object.
a matter
b space
c gravity
d vapour
Answer:
theianswer to this is A. Matter
Anything that has mass and takes up space is called __________. *
pressure
viscosity
matter
Answer:
A
Explanation:
Answer:
matter
Explanation:
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Nitrogen from animal wastes or plant an animal tissue
O must be fixed near leguminous plants,
O is lost from the system.
O is fixed by bacteria and fungi in the soil.
O is already fixed and can be used.
Nitrogen from animal wastes or plant an animal tissue is fixed by bacteria and fungi in the soil.
So, option C is correct one.
How plants and animals get nitrogen ?Since our atmosphere contains 78% of nitrogen but it is very difficult to take directly by plants and animals.Nitrogen is very essential for all living organism.Plants take nitrogen from soil.Some bacteria and fungi are present in the soil who fix nitrogen from the atmosphere and convert it into nitrogen compound.Then this nitrogen from the soil by root system of the plants.Now plant use this nitrogen for synthesis of proteins and other compounds.Animals who feed plants gets this proteins and other nitrogen compound from plants.When plants and animals die , fungi and bacteria present in the soil converts this nitrogenous waste into nitrogenous compound and reuse of nitrogenous compound is repeated again.learn about nitrogenous waste,
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Do humans and plants get their nutrients the same way?
Answer:
As humans require a lot of nutritious food for the growth, same way plants also require nutrients in order to grow. Plants which are grown in the soil gets all the required nutrients from the fertilizers and from the land where natural nutrients are stored.
what direction was the texas annexation in?
Below are two sequences of a segment of DNA.
Normal sequence TTA AAA GGA
Mutated sequence CTT AAA AGG A
Which type of mutation has occurred?
What is the definition of a DNA Polymerase
A. Enzyme involved in DNA replication that joins individual nucleotides to produce a DNA molecule
B. An enzyme that unwinds the DNA double helix during DNA replication
C. A class of nucleotides that includes adenine and guanine.
D. A bond between complimentary base pairs in DNA
What changes occur to the ratio of surface area to volume as a cell
grows?
Answer:
As a cell grows, its surface area-to-volume ratio decreases
which statement describes what happens with ATP during glycolysis?
A) more ATP is produced than is used
B) glycolysis splits ATP
C) more ATP is used than is produced
D) glycolysis does not make any ATP
Answer:
A. more ATP is produced than used
Explanation:
Regulation of glycolysis
Several steps in glycolysis are regulated, but the most important control point is the third step of the pathway, which is catalyzed by an enzyme called phosphofructokinase (PFK). This reaction is the first committed step, making PFK a central target for regulation of the glycolysis pathway as a whole^1
1
start superscript, 1, end superscript.
PFK is regulated by ATP, an ADP derivative called AMP, and citrate, as well as some other molecules we won't discuss here.
ATP. ATP is a negative regulator of PFK, which makes sense: if there is already plenty of ATP in the cell, glycolysis does not need to make more.
AMP. Adenosine monophosphate (AMP) is a positive regulator of PFK. When a cell is very low on ATP, it will start squeezing more ATP out of ADP molecules by converting them to ATP and AMP (ADP + ADP \rightarrow→right arrow ATP + AMP). High levels of AMP mean that the cell is starved for energy, and that glycolysis must run quickly to replenish ATP^2
2 squared.
Do all plants respond the same to all abiotic factors?
Answer:
Light intensity: limited light will limit photosynthesis. This will affect the distribution of plants, and therefore the distribution of animals that eat plants. ... Temperature: temperature is a limiting factor for photosynthesis - and low temperature therefore limits growth of plants.
Is playstatium a mineral?
The cell membrane is made up of a lipid bilayer as shown in the model. Which of the following describes the structure and function of the cell membrane?
56 points!!!!!!
Answer:
The hydrophilic head groups of the lipid molecules are exposed to the outside of the cell and the cytoplasm, which is a water-like environment. The hydrophobic tails form an oily layer inside the membrane that keeps water out of the cell
Explanation:
Cell membrane is selectively permeable in nature. The hydrophilic head groups of the lipid molecules are exposed to the outside of the cell, which is a water-like environment and hydrophobic tails form an oily layer inside the membrane. Thus, correct option is A.
What is Plasma Membrane?Plasma membrane is also known as the cell membrane. It is found in all types of cells that separates the interior of the cell from the outside environment. In bacterial and plant cells, a cell wall is also found which covers the cell membrane.
The cell membrane consists of three classes of amphipathic lipids: phospholipids, glycolipids, and sterols. Plasma membrane is selectively permeable in nature, it allows only some material to pass through it while blocks other material from entering through it.
The portions of the integral membrane protein found inside membrane are hydrophobic, while portions which are exposed to the cytoplasm or extracellular fluid tend to be hydrophilic in nature. Molecules that are hydrophobic can easily pass through the plasma membrane while hydrophilic particles cannot pass through the membrane easily.
Therefore, correct option is A.
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8.
What is meant by the term base-pairing? How is base-paring involved in DNA replication?
Answer: Hydrogen bonds form only between specific base pairs. ase pairing ensures that the complementary strands produced are identical to the original strands.
Explanation:
Which best describes the relationship between DNA, genes, and chromosomes?
DNA are segments of genes that form tight coils called chromosomes.
Genes are segments of DNA that form tight coils called chromosomes.
Chromosomes are segments of DNA that form tight coils called genes.
Genes are segments of chromosomes that form tight coils called DNA.
Answer:
genes are segments of chromosomes that form tight coils called dna
The statement that best describes the relationship between DNA, genes, and chromosomes is as follows:
Genes are segments of chromosomes that form tight coils called DNA.Thus, the correct option is D.
What is Chromosome?A Chromosome may be defined as a thin thread-like structure that appears during the process of cell division. Such types of thread-like structures are significantly present in the nucleus of the cell.
Chromosomes are made up of DNA, RNA, histones, and some non-histone proteins. Chromosomes were first discovered by E. Strausburger in 1875.
Genes are small stretches that significantly considered the segments of chromosomes. Together they form a tightly coiled structure remarkably known as DNA. Genes carry nucleotide sequences that can produce functional enzymes or proteins.
All such parts carry genetic information with respect to the existence of organisms on the basis of morphology and function.
Therefore, the correct option for this question is D.
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7th Grade Science Yes i will brain list
What is a convection current?
a current in a fluid that results from convection.
Which of these is an advantage of fossil fuels? *
O Reliable
O Large reserves
O Greenhouse gas emissions
O Non-renewable
Answer:
reliable
Explanation:
Explanation:
Fossil fuels are a non-renewable resource.
Nerve cells that can detect chemicals are:
A. chemoreceptors.
B. chemtransductors.
C. limbic system indicators.
D. neurotics.
Answer:
its Chemoreceptors
Explanation:
A chemoreceptor, also known as chemosensor, is a specialized sensory receptor cell which transduces a chemical substance to generate a biological signal.
which is more specific chordata or Eukarya