which steps of glycolysis are effectively at equilibrium and reversible under cellular conditions and why?
Answers
Hexokinase, phosphofructokinase-1, and pyruvate kinase catalyse the irreversible processes because they have large, negative G values, which favour the products over the reactants.
These reactions would be closer to equilibrium and potentially reversible if the concentration of products exceeded the concentration of reactants by a very, very large amount. The three largely irreversible processes of glycolysis, which are catalysed by hexokinase, phosphofructokinase, and pyruvate kinase, account for the majority of the drop in free energy. This process consists of ten phases, seven of which are reversible and two of which are irreversible. The first, third, and final ones cannot be undone.
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Related Questions
In which region does the zygote get implanted
Answers
Answer:
oviduct
Explanation:
this occurs when the sperm cell fuses with ova in the fallopian tube during copulation
Which technology is shown in the diagram?
Answers
Answer:
I dony know
Explanation:
there is no diagram
5 The process of Mitosis, when cells make 2 identical copies of an original cell, will occur for which of the following reasons? Group of answer choices: 1) all of the choices are correct 2) reproduction of a unicellular organism like a bacteria 3) repair of damaged tissue like a broken bone 4) Growth of a multicellular organism
Answers
The process of mitosis occurs for multiple reasons, but the correct answer among the given choices is 4) growth of a multicellular organism. Mitosis is a fundamental process of cell division that enables an organism to grow and develop from a single fertilized cell to a complex multicellular organism.
During mitosis, a single cell divides into two identical daughter cells, each containing the same genetic material as the parent cell. This allows for the growth and expansion of tissues and organs in the body. Mitosis is also involved in the repair of damaged tissues like a broken bone, which is the second correct answer among the choices. When a bone is broken, for example, cells in the bone tissue undergo mitosis to replace the damaged cells and rebuild the bone tissue.
However, reproduction of a unicellular organism like bacteria is not a correct answer since bacteria do not undergo mitosis. Instead, they undergo a different process of cell division called binary fission, which results in the formation of two genetically identical daughter cells.
In summary, mitosis is a vital process for the growth and development of multicellular organisms and the repair of damaged tissues.
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Support your answer with explanation.
Answers
The cells removed from the blastocyst of a developing embryo is A. The inner cell mass.
What cells are removed from the blastocyst ?The cells removed from the blastocyst of a developing embryo are known as the inner cell mass. The inner cell mass is a group of cells that is located within the blastocyst, which is a structure that forms a few days after fertilization.
The inner cell mass is pluripotent, meaning it has the ability to differentiate into any type of cell in the body, and is the source of embryonic stem cells. Embryonic stem cells are being researched for their potential medical applications, as they can be used to generate different cell types for use in tissue engineering, drug discovery, and regenerative medicine.
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Julie and Devon are modeling how the Sun heats Earth. Julie hangs a sheet of graph paper on a wall. Devon holds a flashlight and shines it in
a straight line toward the graph paper while Julie dims the lights in the classroom. The diagram shows their model of the Sun heating Earth at
the equator
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The student can tilt the angle of the flashlight to represent how the Sun heats Earth in places where the climate is cold all year. The correct option is d.
What is climate change?Because it typically lasts for years, climate change is an extremely lengthy weather change. Extreme heat or cold would suddenly feel like it was on its way, and it would last for a very long period.
It's possible that the items we use are affecting this, or it could just be mother nature playing tricks. Changes in the weather could last a few minutes, hours, or days.
A climate shift is like the ice age ending and the world becoming warmer.
Therefore, the correct option is d. They can tilt the angle of the flashlight.
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The question is incomplete. The complete question is given below:
How can the students change their model to represent how the Sun heats Earth in places where the climate is cold all year?
The can use graph paper with larger squares.
They can use a flashlight with a narrower beam.
They can move the flashlight farther away from the graph paper.
They can tilt the angle of the flashlight.
Marta observed a flowing stream in a sandy area. She developed a claim that water flowing over sand will create a curved and winding channel. How can she test this idea in the Flowing Water Model?
Answers
As she observed various patterns and designs, Marta developed a claim that water flowing over sand will create a curved arc.
Water has evolved a variety of uses over time. Water has numerous applications, including hydroelectricity generation and a variety of other sources that humans can clearly use wisely.
A flowing stream always flows in different directions, creating patterns and designs for observers to enjoy, giving them a sense of mental peace and self-satisfaction.
A river can be wide and deep, or it can be shallow enough to wade across. A stream, creek, or brook is a flowing body of water smaller than a river. Some rivers flow all year, while others flow only during certain seasons or after heavy rain.
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The diagram shows embryo development of four different animals.
iS How is this evidence used to suggest that life changes over time?
The genetic inheritance of each of of these species is
exactly the same in the early
stages of development
but then changes as the embryo grows and develops
over time.
Similarities in embryonic development prove that
vestigial structures are common to all species, and life
has changed very little over time.
Lack of homologous structures in later
stages of
embryonic development indicate that each species IS
unique, and a common ancestor
is unlikely.
When there are physical similarities in the early stages
of embryonic development, it suggests that each of the
modern organisms once had a common ancestor.
Answers
This evidence is used to suggest that life changes over time, as the genetic inheritance of each species evolves and adapts to its environment.
What is species?
A species is a group of living organisms that are able to interbreed and produce fertile offspring. All members of a species share a set of common characteristics and traits that distinguish them from other species. Species are the basic unit of biological classification and are often given a scientific name. Depending on the species, the members of a species may look similar or be quite different from each other. Species can also be distinguished from each other by their behaviour, habitat, diet, and other characteristics. Species are a fundamental part of the natural world and are integral to the health of all ecosystems. Understanding the different species and their roles in the environment is essential for preserving biodiversity and maintaining a healthy planet.
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what are organelles for movement
Answers
Answer:
In addition to playing this structural role, the cytoskeleton is responsible for cell movements. These include not only the movements of entire cells, but also the internal transport of organelles and other structures (such as mitotic chromosomes) through the cytoplasm.
Explanation:
What sentence best supports the staternent that hormones are involved in the regulation of homeostasas? The hormone melatonin induces sleep and its production is slowed by exposure to light. The hormone cortisol suppresses the immune system and is produced when the body is under stress. The hormone oxytocin promotes labor contractions of the uterus during childbirth. The hormone erythropoeitin increases the production of red blood cells when oxygen levels are low.
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The sentence that supports the statement that hormones are involved in the regulation of homeostasis is: The hormone erythropoietin increases the production of red blood cells when oxygen levels are low.
Homeostasis is the condition of maintaining the adequate conditions inside the living body that are most suitable for its survival. It is the state of steady internal, physical, and chemical conditions. The correct temperature, adequate oxygen concentrations, adequate fluids inside the body are the examples of homeostasis.
Erythropoietin is the hormone produced by the kidney cells that enhances the production of RBCs in the body. This in turn enhances the oxygen concentration inside the body.
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All of the environmental features in the area where an organism lives are known as its.
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TRUE / FALSE. genetic mutations invariably cause harm to people who inherit them.
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FALSE. While some genetic mutations can lead to health problems or disorders, not all mutations are harmful. Some mutations may even provide a survival advantage or have no impact on a person's health.
Mutations are alterations in the genetic material of an organism that can occur spontaneously or be induced by external factors. They can involve changes in a single nucleotide (point mutations) or larger segments of DNA. Mutations can have various effects, including no noticeable impact, causing genetic disorders, or providing advantages for adaptation. Some mutations can be harmful, leading to diseases such as cancer, while others can be beneficial, conferring resistance to diseases or improving an organism's fitness. Mutations are a fundamental driver of evolution, providing the genetic variation upon which natural selection acts, shaping the diversity of life on Earth.
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Genetic mutations do not always cause harm when inherited. Some mutations can be advantageous or neutral.
Explanation:The statement 'genetic mutations invariably cause harm to people who inherit them' is false. While some mutations can be harmful, there are also advantageous and neutral mutations.
Advantageous mutations can improve an individual's survival and reproduction, like the mutation that confers resistance to insecticides in mosquitos or the mutation for black coloration in peppered moths during the Industrial Revolution. Neutral mutations have no effect on survival or reproduction.
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I WILL MARK YOU BRAINELEST IF YOU GET THE QUESTION RIGHT. What type of plate boundary may have existed in Pennsylvania in the distant past? Explain your reasoning.
Answers
Answer:
yo hablo español pasame la actividad en español para ayudarte
How has the introduction of the Asian Tiger Mosquito impacted human society (“Social Effects”).
Answers
Tiger mosquitoes are associated with the transmission of many human diseases, including viruses such as dengue fever West Nile fever, and Japanese encephalitis.
In Asia, this species is the vector of dengue fever and Japanese encephalitis. Laboratory studies have shown that tiger mosquitoes are efficient vectors for many viral pathogens including yellow fever West Nile virus, St. Louis encephalitis, and La Crosse encephalitis. Asian tiger mosquitoes were introduced to the United States. Tire casings are imported for remanufacturing.
Due to the movement of tire casings, this species has spread to more than 20 states since 1985. Asian tiger mosquitoes were introduced to the United States. Tire casing imported for remanufacturing. This species carrying tire casings has spread to more than 20 states since 1985. Tiger mosquitoes are important vectors in Asia. Tiger mosquitoes can transmit viruses such as dengue chikungunya and zika to humans.
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Place the organisms found in this ecosystem into their correct trophic levels:
Coyotes, deer, fungi, grass, mice, rabbits, snakes, wolves
Producers:
Primary consumers:
Secondary consumers:
Tertiary consumers:
Scavengers and decomposers:
Answers
Answer:
Coyotes=Tertiary Consumer
Deer=Primary Consumer
Fungi= Decomposer
Grass=Producers
Mice=Primary Consumer
Rabbit=Primary Consumer
Snakes=Secondary Consumer
Wolves=Tertiary Consumer
PLEASE HELP!! ILL GIVE BRAINLIEST :((!!
How does the type of telescope you researched produce images, does it use glass lenses and mirrors?
Answers
Telescopes that use lenses are called refracting telescopes. The other type uses mirrors to focus the light of the image. These telescopes are called reflecting telescopes. Refracting telescopes use lenses to bend the light to a specific focal point such that the object will be magnified to the viewer.
light microscope
Optical instruments are based on optics. They use mirrors and lenses to reflect and refract light and form images. The light microscope and telescope use convex lenses and mirrors to make enlarged images of very tiny or distant objects. A camera uses a convex lens to make a reduced image of an object.
Refracting telescopes use lenses to focus the light, and reflecting telescopes use mirrors. I'll talk first about refracting ones. Refracting telescopes work by using two lenses to focus the light and make it look like the object is closer to you than it really is. Both lenses are in a shape that's called 'convex'.
the reflector telescope uses a mirror to gather and focus light. All celestial objects (including those in our solar system) are so far away that all of the light rays coming from them reach the Earth as parallel rays. Because the light rays are parallel to each other, the reflector telescope's mirror has a parabolic shape. The parabolic-shaped mirror focusses the parallel lights rays to a single point. All modern research telescopes and large amateur ones are of the reflector type because of its advantages over the refractor telescope.
Advantages
Reflector telescopes do not suffer from chromatic aberration because all wavelengths will reflect off the mirror in the same way.
Support for the objective mirror is all along the back side so they can be made very BIG!
Reflector telescopes are cheaper to make than refractors of the same size.
Because light is reflecting off the objective, rather than passing through it, only one side of the reflector telescope's objective needs to be perfect.
Disadvantages
It is easy to get the optics out of alignment.
A reflector telescope's tube is open to the outside and the optics need frequent cleaning.
Often a secondary mirror is used to redirect the light into a more convenient viewing spot. The secondary mirror and its supports can produce diffraction effects: bright objects have spikes (the ``christmas star effect'').
hope this helped!
identify the biomes on the map and then answer the questions that follow which biome has the warmest temperatures and the most rainfall
Answers
Answer:
tropical rain forest
Explanation:
it has ran in the name
I need help with this page.
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Gray hair (G) is dominant over white hair (g), and black eyes (B) are dominant over red eyes in rabbits (b). These two characteristics are unrelated.
In other words, a female rabbit having the genotype GgBb may lay eggs containing the alleles GB, Gb, gB, or gb.
What is the grey bunny's genotype?The grey bunny's genotype is BBWW because it is a hybrid between two separate phenotypes.
Lastly, the most recessive gene, the "c" gene, removes all color from the rabbit's coat, leaving just white fur, regardless of the rabbit's other gene pairings.
The "ch" and "c" genes both remove color pigment from the eyes and the fur.
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seizures affect the muscles and cause all or part of the body to go limp
Answers
Answer:
wow, ty for this information. I will try to remember this
Enamel is the hardest substance in the human body. Justify your answer.
Answers
Enamel is indeed the hardest substance in the human body. It is present in teeth of humans. It covers every tooth and provides the hard layer.
Tooth Enamel is hard glossy substance that is comprised of calcium and phosphate mineral crystals which in return makes our teeth more stronger. Teeth enamel care is extremely important to maintain the oral health of teeth.
Tooth Enamel is one of the major tissue that make up tooth in humans. It covers the top layer of the teeth known as Crown. Calcium hardens the tooth enamel. Enamel contains 96% of the minerals. The color of Enamel varies from light yellow to white.
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During the reproduccion of a species of mice a mutation occurs that makes the hair of the offspring blend into its environment is this a postove or negative mutation? How do you predict this mutation will affect the long term survival of the species? Justry your response in two or more complete sentences in the essay box below.
Answers
Answer:
This will be a positive mutation because the mouse will now have an advantage.
help me to solve this one .. u can assume rda by urself
2 pts Answer the three questions below. 1. Calculate your protein RDA. Show all steps of your work. Hint: Convert weight in pounds to kg and then multiply kg by 0.8 g/kg. 2. Using the Intake column of
Answers
Your protein RDA would be approximately 54.43 grams. Protein RDA stands for Recommended Daily Allowance of protein. It is a guideline that suggests the amount of protein an individual should consume daily to meet their nutritional needs.
Calculate your protein RDA:
To calculate your protein Recommended Daily Allowance (RDA), we'll first need to convert your weight from pounds to kilograms. Let's assume your weight is 150 pounds.
To convert pounds to kilograms, divide the weight in pounds by 2.2046 (since 1 pound is approximately equal to 0.4536 kilograms):
Weight in kg = 150 pounds / 2.2046 = 68.04 kg (rounded to two decimal places)
Now, we'll multiply the weight in kilograms by the protein recommendation of 0.8 grams per kilogram:
Protein RDA = 68.04 kg * 0.8 g/kg = 54.43 grams (rounded to two decimal places)
Therefore, your protein RDA would be approximately 54.43 grams.
Using the Intake column:
Unfortunately, you mentioned using the "Intake column," but I don't have access to the specific column or data you're referring to. If you provide me with the necessary data, I'll be happy to assist you further.
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a. Explain how photosynthesis allows carbon to be sequestered naturally by plants.
Answers
Answer:
Plants absorb carbon from the air and use the sun's energy to make sugars and other carbohydrates which the plant can store and use later or be used by other organisms.
Explanation:
A(n)
is a group of organs that work together to perform a common function
Answers
Answer:
An organ system is a group of organs that work together to carry out a complex overall function. Each organ of the system does part of the larger job.
Explanation:
A group of organs that work together to perform a common function is called an Organ System
Living organisms are uni-cellular or multi-cellular according to the number of cells in an organism. A multi-cellular organism have several cells which come together to form tissues for example , connective tissue, etc. Tissues coming together forms organs for example, lungs , etc. These many organs working together to accomplish a common purpose is called an organ system.
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PLEASE MARK ME AS BRAINLIEST.
Animals eat these plants and pass the phosphorus through the food chain.
An animal dies and decays, returning the phosphorus to the soil, and the cycle repeats.
Answers
Answer:
2 , 3
Explanation:
Identify the steps of the phosphorus cycle described. Step 1 has been identified for you.
Step 1: Plants absorb phosphates in the soil and turn them into organic compounds through assimilation.
Step 2: Animals eat these plants and pass the phosphorus through the food chain.
Step 3: An animal dies and decays, returning the phosphorus to the soil, and the cycle repeats.
Organisms with the most beneficial traits will survive. This is commonly known as.
Answers
Bc it is
Nicotine triggers the release of adrenaline. What negative impact does this have on the cardiovascular system?.
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Nicotine causes the narrowing of arteries, an increase in blood pressure, and an increase in heart rate.
Nicotine is a harmful chemical present in cigarettes and tobacco products. this chemical triggers the release of adrenaline. This hormone is known to give a "kick" to the body's systems.
Prolonged usage of nicotine has a severe impact on the body especially the respiratory and cardiovascular systems. The hormone, adrenaline, is known to increase the heart rate and flow of blood. this increases the blood pressure and narrowing of blood vessels which in turn increases the risk of heart attacks, cardiac arrest, and a variety of heart issues.
So, nicotine is a harmful chemical that causes a wide range of health complications in the long run.
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What destroys the zona pellucida sperm-binding receptors?
A) the acrosomal reaction
B) zonal inhibiting proteins
C) the process of capacitation
D) human placental lactogen
Answers
The acrosomal reaction destroys the zona pellucida sperm-binding receptors. The correct answer is option (A)
The zona pellucida is a glycoprotein layer that surrounds the oocyte (egg) and plays an essential role in fertilization. Sperm must bind to and penetrate the zona pellucida to fertilize the oocyte. The process of sperm binding to the zona pellucida is mediated by sperm-binding receptors on the zona pellucida. During the acrosomal reaction, enzymes are released from the acrosome of the sperm, which is a structure located at the head of the sperm.
These enzymes break down the zona pellucida and destroy the sperm-binding receptors, allowing the sperm to penetrate the zona pellucida and fertilize the oocyte.Zonal inhibiting proteins are substances that are released by the oocyte and inhibit the penetration of sperm through the zona pellucida.The process of capacitation refers to the changes that occur in the sperm's membrane and enzymes as they travel through the female reproductive tract, which enable the sperm to fertilize the oocyte. Hence option (A) is the correct answer.
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Match the TECHNOLOGY with the EXAMPLES below.
1) Inserting a gene to allow a diabetic to produce insulin.
2) A man's pays a lab to
recreate his deceased dog from tissue samples.
3) Breeding corn plants that are resistant to disease and drought.
4) Using a virus to insert a gene that allows monkeys to see in color. 1. GENE THERAPY 2. CLONING 3. GMOs
Answers
Answer:
( Inserting a gene to allow a diabetic to produce insulin.) and (Using a virus to insert a gene that allows monkeys to see in color.) are both gene therapy
the corn plants one is GMO's
and the dog one is cloning
Which IS an example of why the process of photosynthesis is important to life on Earth?
Answers
Answer:
Explanation:
Photosynthesis is important to living organisms because it is the number one source of oxygen in the atmosphere. Green plants and trees use photosynthesis to make food from sunlight, carbon dioxide and water in the atmosphere.
characteristics of animals include all of the following except: group of answer choices heterotrophic eukaryotic cells cell walls made of chitin blastula stage of development multicellularity
Answers
The characteristics of animals include all of the following except cell walls made of chitin.
Animals are classified as multicellular, eukaryotic, heterotrophic, and without cell walls. Following are the characteristics of animals: Multicellular organisms , Animals are eukaryotic., Heterotrophic organisms, Cell walls aren't present , Blastula stage of development.
A rigid cell wall encloses a plant cell. Its primary function is to safeguard and maintain the cell's shape. The cell wall is a rigid, polysaccharide structure made up of hemicellulose, pectin, and cellulose, among other substances. It is the component that offers a plant cell its rigidity and strength, allowing it to support the weight of the plant's stem and leaves. The cell wall provides a rigid, protective layer that prevents water loss, protects against pathogens, and contributes to the development of plants, making them more adaptable to their surroundings.
Therefore, A cell wall made of chitin isn't one of the characteristics of animals .
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