No, equilibrium chemical reactions do not exist in living cells.
Define chemical equilibrium.Chemical equilibrium refers to the situation in a chemical reaction where both the reactants and products are present in concentrations that have no further tendency to change over time, preventing any discernible change in the system's properties. When the forward reaction and the reverse reaction go forward at the same speed, this condition results. The forward and backward reactions typically have equal, if not zero, reaction rates. The concentrations of the reactants and products do not change on a net basis as a result. Dynamic equilibrium is the name given to such a situation.
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complete question is "Are most chemical reactions in living cells at equilibrium in living cell."
inherited genetic variations are caused by genetics only . true or false ?
like i get that mutations also cause variations , but if its inherited genetic variations , then wouldnt the mutations be genetic ?
The words Only genetics can explain inherited genetic variances. They were brought on by crossover and assortment during the meiotic development of sex cells and it is untrue that mutations are always bad. The transmission and expression of genes are influenced by a number of circumstances. This subject is called epigenetics. Another potential source of genetic diversity is the haphazard merging of sex cells. True, differences in genetic sequences are also caused by mutations.
A fundamental idea in genetics, genetic inheritance describes how traits are passed down from one generation to the next. Genetic inheritance happens as a result of DNA being handed from one set of parents to another during conception.To know more about genetics, visit:
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PLS HELP 30 POINTS
Humans impact the environment in a variety of ways, good and bad. And sometimes, doing the same thing in a different way can have a very different impact. Sort the activities below according to whether they have a detrimental or beneficial impact on our environment.
Question 1 options:
Clear cutting an old forest
Sustainably harvesting trees
Constructing a salmon fish farm
Overfishing of certain species
Answer:
Explanation:
Clear cutting an old forest
2 unsure
Sustainably harvesting trees
1
Constructing a salmon fish farm
1
Overfishing of certain species
2
Centrosome, Lysosome and Peroxisome are all typical of which type of cell?
Centrosome, Lysosome, and Peroxisome are all typical of the eukaryotic type of cell.
What are centrosomes?Centrosomes are cells made up of two cylindrical cells. In animal cells, centrioles aid in cell division. They build the cilia and flagella of the cells' basal bodies.
Lysosomes perform both the intracellular digestion of bacteria and the autolysis or self-digestion, of cells.
The peroxisome is a component of plant photosynthetic cells. The liver and kidney cells of vertebrates include the oxidase and catalase oxidative enzymes, which are separated by a unit membrane.
Thus, the cells given are eukaryotic cells.
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What parts of the brain are being used when watching a movie? Tell me about 4 parts that are activating, be sure to include 1 lobe and what/how they are activating when you are watching a movie.
The different parts of the brain that are being used when watching a movie include the following: Visual cortex, Primary auditory cortex, Hypothalamus, Thalamus and Limbic system.
What are the parts of brain?The brain is the main organ of the central nervous system that functions to coordinate the other parts of the body through the neurons.
The brain are made up of various parts which are used when an individual is involved in watching a movie. These parts include the following:
Visual cortex: This is responsible for interpretation of visual signals received from the screen of the movie device.Primary auditory cortex: This part of the brain interprets the sounds produced by the movie.Hypothalamus: This makes the individual to be aware of when to eat or make use of the toilet or when in need of water.Thalamus: It directs sensory info to their respective areas of the the cortex for interpretation.Limbic system: This controls the emotional part of an individual which can be affected by the movie.Learn more about hypothalamus here:
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Question 6 (1 point)
Why are 9 amino acids considered essential?
Answer:
9 amino acids are considered essential because the body cannot produce them.
Explanation:
The 9 amino acids your body cannot produce on its own are histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.
These acids you must get from your diet (what you eat). That is why they are considered essential.
what is a parasitism in science
1. Name the two systems of control and coordination in higher animals?
2.What are the two parts of the vertebrate nervous system
Answer:
1)The two systems of control and coordination in higher animals are the nervous system and the endocrine system.
Explanation:
hope it helps you
2)The nervous system of vertebrates has two main divisions: the central nervous system, consisting of the brain and spinal cord, and the peripheral nervous system, which in humans includes 12 pairs of cranial nerves, 31 pairs of spinal nerves, and the autonomic, or involuntary, nervous system.
please brainlist answer
How does the animal biodiversity of the desert compare to others?
Answer & Explanation: Fewer animals live and adapt to the desert due to the harsh conditions and climate in the area, so the biodiversity of that region should be low.
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Electrons travel in circles around the nucleus (proton and neutron center of an atom
In a covalent bond, the shared electrons travel around:
a. Both nuclei.
b. Neither nuclei.
c. The nucleus of the stronger atom.
d. The nucleus of the weaker atoms.
Electrons travel in circles around the nucleus (proton and neutron center of an atom
In a covalent bond, the shared electrons travel around: a. Both nuclei.
What causes an electron to circle?The magnetic force acting on a charged particle is perpendicular to both its direction of motion and the magnetic field when it moves at right angles to the magnetic field. Circular motion may occur from this.
The lowest energy electrons are located on the circle that is most next to the nucleus. The highest energy electron is found on the outermost circle, followed by eight others with greater energies.
Orbitals are the names for these areas of space. Each orbital can only ever have a maximum of two electrons present. Since all electrons with the same amount of energy must inhabit the same zone, according to Bohr, electrons have fixed amounts of energy.
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what happens during the final stage of celluliar resperation
Answer: The Electron Transport Chain is the final stage of cellular respiration.
Explanation:
Which of the following is an indicator of acid deposition?
Erosion of structures and buildings
Decreased eutrophication of aquatic ecosystems
Clean lakes, rivers, or other bodies of water
Increase of nutrients in the soil for vegetation growth
Answer: Erosion of structures and buildings
dory and nemo were counting the number of clown fish that lived in different colored sea anemones. they counted the fish once every week for three weeks. nemo helped keep track of the data, of course. dory just kept counting. what is the independent variable and the dependent variable, the three constant variables?
The independent variable is a type of variable who has been independent by variant of any other and dependent variable is defined as whose variant is totally dependent on other.
What is variable?Variable is defined as two types of variables which has been found in mathematical modeling, experimental modeling as well as statistical modeling and the two types of variable are named as independent variable and dependent variable.
The x is the symbol or by which independent variable has been represented for the given function of the input values. The y is the symbol or by which dependent variable has been represented for the given function of the input values.
Therefore, The independent variable is a type of variable who has been independent by variant of any other and dependent variable is defined as whose variant is totally dependent on other.
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Which specialized cell type would be found lining the trachea, the part of the body that brings air to the lungs?
Answer: Epithelial Cells
Explanation: It is epithelial cells because epithelial cells are cells that are found in the body surfaces. The conducting passage ways of trachea, nasal cavity, bronchi, bronchioles are lined with a special type of epithelial cells called pseudo stratified columinar epithelial cells which is ciliated and have mucus secreting globlets. These cells are found in the trachea because they have thin surface that facilitate diffusion, moisten the passage ways and protect the trachea from pathogens.
(Choose all that apply) Unlike DNA, RNA contains:
A. uracil
B. adenine
C. phosphate groups
D. thymine
Answer:
A. uracil
Explanation:
RNA contains uracil instead of thymine (also known as 5 methyl uracil). The extra methyl group in thymine provides extra stability to the n-base.
what would happen if every piece of technology around you were to disappear
Answer:
then there's no Wi-Fi call the ones we love and life would start get boring A world without technology would be very stressful, and without the technology that exists, we would have many problems that we don't have today. we wont have cars gas nice houses life would be disaster also no medicine would be there and lots people would die in hospitals.
Explanation:
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a break in sedimentary rock that causes strata on one side to a higher than starts on the other side is caused by
A break in sedimentary rock that causes strata on one side to a higher than starts on the other side is caused by disconformity.
What is sedimentary rock?The formation of sedimentary rocks involves the accumulation or deposition of mineral or organic particles at the Earth's surface, followed by cementation. The mechanisms that lead to the accumulation of these particles are collectively referred to as sedimentation. Sediment refers to the little particles that make up sedimentary rocks and can be either geological detritus (minerals) or biological detritus (organic matter).
The weathering and erosion of pre-existing rocks or the solidification of molten lava blobs released by volcanoes are the two main causes of the geological debris. Water, wind, ice, or mass movement—collectively referred to as "agents of denudation"—transport the geological debris to the location where it will be deposited.
The remains and pieces of dead aquatic species, primarily their shells, as well as their fecal material, suspended in water, progressively accumulated on the bottom of bodies of water to produce biological detritus (marine snow). Sedimentation can also happen when minerals that have been dissolved in water precipitate.
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Which of the following was NOT given to returning veterans by the GI Bill of Rights?
A. Funding for education
B. Professional training
C. Federal housing loans
D. Discounts on necessary goods
Answer: D. Discounts on Necessary Goods
Explanation:
A - C are covered in the GI bill. D is not
PLS HELP 30 POINTS
Humans impact the environment in a variety of ways, good and bad. And sometimes, doing the same thing in a different way can have a very different impact. Sort the activities below according to whether they have a detrimental or beneficial impact on our environment.
Question 1 options:
Clear cutting an old forest
Sustainably harvesting trees
Constructing a salmon fish farm
Overfishing of certain species
Answer:
Clear cutting an old forest: detrimental
Sustainably harvesting trees: beneficial
Constructing a salmon fish farm: beneficial
Overfishing of certain species: detrimental
Explanation:
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Read the following sentences from the text. “That’s not all,” said Mike’s mom. “The organs in your body are made of various tissues. For example, your heart is made of all four types of tissue. All of the tissues in your heart work together to pump blood through your body. The heart is one of five vital organs in humans. The other vital organs are the brain, kidneys, liver, and lungs.” “So these organs are important in keeping me alive?” asked Mike. “Yeah, and each organ performs its specific function because of the tissues that constitute it.” As used in this sentence, what does the word “constitute” most nearly mean?
The word "constitute" most closely resembles the word "compose" in the sentence "Yeah, and each organ performs its specific function because of the tissues that constitute it."
Briefing:The majority of the heart is made up of cardiomyocytes and connective tissue. Elastic fibers embedded in dense connective tissue make up the cardiac/fibrous skeleton.
Connective tissue :Tissue that supports, protects, and gives other body tissues and organs structure. Connective tissue assists in the storage of fat and the repair of damaged tissue in addition to assisting in the transportation of nutrients and other substances between tissues and organs. Connective tissue is made up of fibers and cells and has a gel-like consistency.
Loose connective tissue, dense connective tissue, and specialized connective tissue are additional categories of connective tissue.
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Which of the following is the lobe of the brain that deals with visual interpretation?
O Temporal
OOccipital
O Parietal
0Frontal
You hold a 5-kg book 1.2 meters above the floor for 2 minutes. How much work did you do?
The work done while holding a 5-kg book 1.2 meters above the floor for 2 minutes would be zero.
What is work?
Work is a measure of energy transfer that happens when an item is moved across a distance by an external force that is applied in at least part of the displacement direction. Work may be calculated if the force is constant by multiplying the length of the path by the component of the force operating along the path.
To put this notion into mathematical terms, the work W is equal to the force f multiplied by the distance d, or W = fd. The work done when the force is applied at an angle θ to the displacement is W = fd cos θ. Work on a body is done not only by moving the body as a whole from one location to another, but also by compressing a gas, spinning a shaft, and even producing invisible movements of the particles within a body by an external magnetic force.
Here, W= Fd
W = F × 0 (No displacement occured)
W = 0
Therefore, in this case, the work done is zero.
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A student looks at a model of a glucose polymer and sees that it has many branch points. A label says
that it comes from muscle tissue. Identify this carbohydrate.
O A. amylopectin
OB. cellulose
OC. glycogen
O.D. starch
Answer:
c) glycogen
Explanation:
glycogen is used as storage in muscle tissues. It also has many branches as in this picture
What is the name the little asexual structures of Marchantia?
Which option is an example of a physical property?
Responses
conductivity
conductivity,
pH
pH
reactivity
reactivity
rusting ability
rusting ability
An example of a physical property is conductivity.
What is physical property?Physical properties are characteristics of matter that are independent of changes in its chemical composition. Physical characteristics include things like density, color, hardness, melting and boiling points, and electrical conductivity, to name a few.
What is the importance of physical properties?Without altering the makeup of the material, physical qualities can be seen or quantified. In order to observe and characterize matter, physical attributes are used. Physical characteristics of substances and systems are frequently referred to as extensive and intensive Physical characteristics of substances and systems are frequently referred to as extensive and intensive characteristics.
Which physical property can be measured?Shape, mass, colour, volume, and texture are a few examples. Measurements can be made of other physical characteristics such melting point, boiling temperature, strength, hardness, and magnetism.
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The complete question is-
Which option is an example of physical property?
a. conductivity
b. rusting ability
c. ph
d. reactivity
The DNA sequence capable of pairing with 5’ CGATTAGT3’ is?
DNA is composed of two strands of nucleotides. The bases of these nucleotides form pairs: Adenine with thymine and cytosine with guanine. The complementary strand is 3' - GCTAATCA - 5' .
What is the composition of DNA?DNA is the molecule in charge of carrying genetic information needed for the correct cell functioning.
This polymer is composed of several monomers joined by their extremes. Each monomer has a phosphate group, a sugar, and a base (adenine, guanine, thymine, or cytosine).
DNA is composed of a double, coiled monomeric strand. One of the strand's bases pairs the bases of the other strand (adenine must always pair thymine, while guanine must pair cytosine).
These strands are known as the coding strand and the template strand. During DNA replication, the molecule unwinds to separate the strands, and two new chains are synthesized.
So, what we need to know to answer this question is that bases pairing is as follows,
Adenine (A) ⇔ Thymine (T)
Guanine (G) ⇔ Cytosine (C)
5’ - CGATTAGT- 3’
3' - GCTAATCA - 5' ⇒ complementary strand.
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Unlike the methods of early scientists, how did Sir Francis Bacon believe basic laws of science should be determined?
A. By using inductive reasoning based on empirical evidence
B. By using inductive reasoning based on a few basic truths
C. By using deductive reasoning based on a few basic truths
D. By using deductive reasoning based on empirical evidence
Answer:
A. By using inductive reasoning based on empirical evidence
Explanation:
Answer:
A.by using inductive reasoning based on empirical evidence
Explanation:
11. In the space below, draw a sketch to help you remember what negative feedback is.
Answer:
Click the file to view a picture that can be used as an example.
Explanation:
Which of the following membranes are NOT made out of cells?
A.Basement Membrane
B.Mucus Membrane
C.Cutaneous Membrane
D.Serous Membrane
Answer:
A. Basement membrane.
Explanation:
They are non cellular or acellular membrane which is secreted by epithelial tissue and connective tissue. They are selectively permeable, so they help in the exchange of materials between the two tissues.
This graph shows the effects of an enzyme on a particular reaction. The red line on the graph shows the reaction without the enzyme while the blue line shows how the reaction progresses with the enzyme. 2. According to the graph, the enzyme Choose... affect the initial energy of the reactants. The enzyme Choose. the activation energy. The overall energy released Choose... Check Answer
It is safe to infer from the graph depicting how the enzyme effected the reaction that the enzyme had an impact on the reactants' activation energy.
Define enzyme.When compared to the reaction with the enzyme indicated by the blue line, the reaction without the enzyme shown by the red line revealed that the reactants had a larger activation energy.
Enzymes actually work by reducing the activation energy, also known as the energy needed to be overcome by reactants in order to become products.
Define activation energy.The smallest additional amount of energy that a reactive molecule needs in order to transform into a product is known as activation energy. The minimal amount of energy required to activate or energies molecules or atoms so that they can engage in a chemical reaction or transformation is another way to put it.
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The properties of water are an essential part of what makes water unique. What effect does the properties of water have on Earth's surface and its systems?
The effect which the properties of water have on Earth's surface on the Earth's surface is that its unique polarity nature results in weathering and erosion.
However, water's unique properties also has an effect on living systems as it helps to dissolves solvent. This one unique property is the greatest property that water has such that the the Earth and its systems uses water as a universal solvent.
That being said, the effect of water cannot be overemphasized on the whole earth as is used by by all living organisms.
Properties of waterBelow are some few unique properties of water:
Water is a universal solvent. Water has heat capacityIt can conductor electricitySo therefore, the effect which the properties of water have on Earth's surface on the Earth's surface is that its unique polarity nature results in weathering and erosion.
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