The following events occur during prophase II.
DNA condenses to form chromosomes.Spindle fibers form.The nuclear envelope disappears.In both mitosis and meiosis, the prophase is the first phase of cell division. When the cell enters prophase, DNA replication has already started after interphase. The chromatin reticulum condenses and the nucleolus vanishes during prophase, which are the key events. The chromatin, a combination of DNA and proteins found in the nucleus, condenses during prophase. The development of discernible chromosomes is caused by the coiling and tightening of the chromatin. One well-organized piece of DNA makes up each chromosome. Prophase is the first and longest phase of mitosis. Chromatin gathers into chromosomes and the nuclear envelope, which is the membrane that encloses the nucleus, disintegrates during prophase.learn more about prophase here: https://brainly.com/question/12828200
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Answer:prophase II
Explanation:
Many bacteria and fungi have a difficult time surviving on our food if the food is very salty. The best explanation for this is.
Many bacteria and fungi have a difficult time surviving on our food if the food is very salty. This happens because the food acts as a hypertonic solution for the bacteria and fungi.
Bacteria are the microorganism that are prokaryotic in nature. These are unicellular organisms present everywhere in an environment. These can be of varying shapes and sizes like coccus, spirillum, vibrio, etc. Bacteria can be both harmful as well as useful for the organisms and environment.
Hypertonic solution is the one in which when any cell is placed, it loses its water. The solution contains more solute particles than the cell placed in it. As a result of osmosis, water moves out of the cell. The same phenomenon happens with bacteria in salty foods, it loses its water and becomes dehydrated.
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An exon is considered a coding sequence of dna, and its information is retained in the processed mrna within a cell. True or false?.
It is true that An exon is considered as the coding sequence of the dna, and its information is retained in the processed of mRNA within the cell.
The sequence was of DNA present in the mature messenger the RNA, some of which the encodes the amino acids of the protein. Most of the genes have the multiple exons with the introns between them. introns are the noncoding sections of an RNA transcript, or the DNA encoding it, that are also spliced out before the RNA molecule which is translated into the protein. The sections of the DNA (or RNA) that code for the proteins are called as exons.
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A plant grows toward the light.The light is an a example of a??
Answer:
Positive Phototropism
The synthesis of sugar molecules through the process of photosynthesis requires energy absorbed from sunlight. Bearing this in mind, what kind of reaction is photosynthesis?.
Answer:
light dependent reaction?
Explanation:
the deliberate manipulation of organisms by transferring genetic material from one organism to another, a type of genetic engineering, is known asdna technology.
Gene therapy, the deliberate manipulation of organisms by transferring genetic material from one organism to another, a type of genetic engineering, is known asdna technology.
Gene remedy is a way that modifies a person's genes to deal with or remedy disease. Gene healing procedures can paintings via way of means of numerous mechanisms: Replacing a disease-inflicting gene with a wholesome reproduction of the gene. Inactivating a disease-inflicting gene that isn't functioning properlyGenetic engineering, additionally referred to as genetic change or genetic manipulation, is the change and manipulation of an organism's genes the usage of technology.
The method of manipulating the genetic cloth of organisms, additionally referred to as biotechnology.The advent of recent DNA into an present organism's cell, typically via way of means of vectors which includes plasmids and changed viruses.Genetic engineering is described because the direct manipulation of an organism's genes which include heritable and nonheritable recombinant DNA constructs.
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What determines which nitrogen bases form pairs in DNA?
Answer: adenine pairs with thymine, cytosine pairs with guanine
Explanation:
the nitrogenous bases are adenine, thymine, guanine and cytosine.the pairing occurs because the complementary bases form hydrogen bonds with each other.
Explanation:
The nitrogen bases form the double strand of DNA through weak hydrogen bonds. The nitrogen bases, however, have specific shapes and hydrogen bond properties so that guanine and cytosine only bond with each other, while adenine and thymine also bond exclusively.
The act of getting bigger or the body changing
Answer:
Puberty
Explanation:
Kevin has learned about planarians, which are a species of flatworm. Some of these worms have two methods of reproduction. A planarian can produce new offspring by splitting itself and growing new body parts on each portion. Or it can mate with another planarian to produce offspring. Kevin believes that both methods of reproduction will produce offspring that are genetically identical to the parent. Do you agree? Explain your answer.
Answer:
No
Explanation:
Planarians reproduce asexually and sexually. In asexual reproduction, the offspring is made from only the genes of the mother planarian. Planarians splitting is an example of budding. Budding is asexual, and asexual reproduction creates a clone of the mom. Sexual reproduction uses both the genes of the father and mother, so the offspring is a mix of both the parent's genes. That means that the offspring is not a clone of either one of the parents.
Prompt #1:
Imagine an initiative for some aspect of sustainable development (such as higher fuel
efficiency standards for vehicles, a drive to promote marketing and consumption of
locally-produced vegetables, or an initiative to improve local air quality). Describe how
the five example domains of economic, social, environmental, technological, and public
policy are related to the initiative.
Response:
All five domains are related to sustainable development because they are the 5 domains of sustainability.
Sustainability has always been portrayed as having three domains: the environment, economics, and the socio-cultural milieu, and they must be managed interdependently for a sustainable balance to occur (i.e., the Bruntland Commission of the United Nations, 1987). Many business and political leaders have expressed skepticism about equating another field with economics.
Even those who will adopt the ideals of living in harmony with nature frequently discover that the instruments available in these three spheres are inadequate. Thus, the environment, social, technological, economic, and public policy are the suggested Five Domains of Sustainability. Additionally, these domains ought to serve as the organizing principles for regional and urban sustainable development, urban growth management, and urban administration.
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Imagine a company that sells robots like the one shown above. The company makes this claim: “This living machine is the perfect companion.” Make a case to either support or refute this claim. How similar are living and nonliving systems?
This is a perfect example of artificial intelligence and machine learning.
What is artificial intelligence?
Artificial Intelligence (AI) is intelligence exhibited by machines, as opposed to natural intelligence demonstrated by animals and humans. Artificial intelligence research is described as the study of intelligent agents, which refers to any system that observes its surroundings and performs actions that optimize its chances of success.
The following are some similarities between living and nonliving objects: both living and nonliving things have mass.
They both take up a considerable amount of room.
They are both made up of fundamental components (cells for living, particles for nonliving things).
Both may be transported at the expense of energy.
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The human population has changed in ways that are similar to other populations. How has the human population changed since it first appeared on earth?.
Answer:
b. the population is generally increase, and at rates that have varied over time
Explanation:
When a scientist makes a discovery, it must be peer-reviewed (read and edited by a group of scientists that he does not know or do not know one another) before the finding can be published in a journal. which reason would not prevent the finding from being published?
Answer: if its multiple choice its d
Explanation:
Enzymes that control chemical reactions are a type of macromolecule known as-
A. carbohydrates.
B. lipids.
C. nucleic acids.
D. proteins.
Answer:
D proteins is the correct answer
A method to identify a variety of skin infections through the use of ultraviolet light is:_______.
A method to identify a variety of skin infections through the use of ultraviolet light is Phototherapy.
A treatment called phototherapy uses a particular kind of light. By facilitating the liver's breakdown and removal of the bilirubin from your baby's blood, it is occasionally used to treat neonatal jaundice.Longer than X-rays but shorter than visible light is ultraviolet. Sunlight contains UV radiation, which makes up around 10% of the Sun's overall electromagnetic radiation output. Electric arcs and specialty lighting, such mercury-vapor lamps, tanning lamps, and black lights, can also produce it.It serves a variety of purposes, including covering and safeguarding your body. It aids in keeping away pathogens. But occasionally, the microbes can result in a skin illness.To learn more about Phototherapy.
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Which of the following statements best
describe what happens to the energy
released during cellular respiration in a
mouse?
Choose 2 answers:
A Some energy is transferred to the mouse's
muscles to power movement.
B Some energy is destroyed when it's lost as
heat to the environment.
C Some energy is used to help regulate the
mouse's internal temperature.
Answer:
a and c is the correct answer
Answer: Some energy is transferred to the mouse's
muscles to power movement (A)
Some energy is used to help regulate the
mouse's internal temperature. ()
Explanation:
3. Would you expect organisms belonging to the same class to have fewer structural characteristics in common than organisms belonging to the same order? Explain.
The organisms belonging to the same order will share more structural similarities than the organisms belonging to the same class. It is because order is a lower group in taxonomic classification.
What is taxonomy?Taxonomy is the systematic and scientific approach of grouping things based on their similarities. Taxonomy provides hierarchical classification of the things.
Taxonomy contains seven basic elements in which the organisms are grouped into. Species form the unit level of taxonomy. Genus, family, order, class, phylum and kingdom of an organism is included. Kingdom is considered as a superior and diverse group of taxonomy.
Thus, taxonomy is an effective way of representing diverse information of organisms in an organized way.
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Endocrine glands secrete their products into ___; exocrine glands secrete their onto ___.
The endocrine glands secrete their products into intracellular spaces and the exocrine glands secrete their products into ducts/surface
Endocrine glands are network of various glands in your body that produce and secrete chemicals known as hormones. They are ductless glands. Therefore, the hormones that are produced by them would be secreted directly into the intracellular spaces which would diffuse into the bloodstream and reach the cells in the body.
The glands in various location in human body that are responsible for the production of hormones are Pituitary, Pineal, Pancreas, Hypothalamus, Thyroid, Adrenal, Testes and ovaries.
Exocrine glands are network of glands that secrete the compounds produced by them into ducts. These ducts carry the products to the surface and release them. Sweat glands, Salivary glands, sebaceous glands, Lacrimal glands are some of the exocrine glands.
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the blood flow of healthy individuals is laminar but becomes turbulent during certain vascular diseases. endothelial cells (ecs), which line the lumen of blood vessels, are in direct contact with blood. you hypothesize that different types of blood flow (i.e. laminar vs. turbulent) may cause endothelial cell dysfunction which in turn contributes to the progression of diseases. to test this hypothesis, you fabricated a microfluidic device in which ecs were seeded inside a rectanugular channel of prescribed width
Blood flows in orderly, parallel layers through the arteries in laminar flow when there are no impediments to disturb the layers. A healthy artery, like the femoral artery, exhibits laminar flow.
When the flow channel becomes disordered, layers fail to form, and eddy currents develop, the scenario is referred to as turbulent flow.
The current vascular hemodynamics paradigm views typical blood flow as pulsatile laminar flow. Diseases like atherosclerosis and brain aneurysms can be brought on by the transition to turbulence. But recently, we showed that turbulence can exist in both the aneurysm sac and the main artery of experimental models of brain aneurysms.
The necessity for even mixing of blood corpuscles as they travel along the arteries drives the turbulence of blood flow, which originates in the cardial cavities. We think that the energy expended might be sufficient to overcome a resistance in the main arteries, where the wall lacks active contraction components.
Small arterial micro vessels (Metereriolar-like type) have a similar inner wall relief that must be extruded into the lumen of the nuclear zone of the endothelial cell. However, blood movement within arterial micro vessels is highly dependent on the myogenic wave activity of intramural smooth muscle cells.
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What monomer do shapes F, G and H represent?
Which macromolecule did you build?
The macromolecule which is formed or build is lipid.
What is lipid?Lipid has been described as an organic compound which has been not able to dissolve in the water. The example of the lipid are oils, waxes, hormones, as well as fats. The main function or performance of the lipid has to maintain the structure or the components of the cell membranes, that storage site of energy, and important molecule of the cell signaling.
A monomer has been defined as a type of molecule that is able to make chemical bond with any of the molecule and has been form a long chain and polymer in a sequence of the chain of an unspecified or unknown number of the monomers.
Therefore, the macromolecule which is formed or build is lipid.
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what is mediastinum?!.
Answer:
The area between the lungs.
Explanation:
Answer:a membranous partition between two body cavities or two parts of an organ, especially that between the lungs.
Explanation:
Select the correct answer from each drop-down menu.
Scientist Galileo Galllel used the
to observe the stars and planets. This same tool has allowed modern
to see objects that are billions of light years from Earth. This tool also detects things such as
and x-rays, which are invisible to the human eye.
Answer:
1. telescope
2. astronomers
3. radio waves
Explanation:
A telescope allows one to magnify what they're looking at to see it closer than it actually is. Astronomers are those that study planets, stars, and other celestial bodies in space. Modern telescopes have the ability to detect radio waves from astronomical objects that emit them from far away. This allows us to see what we normally would not be able to.
Scientist Galileo Galilei used the telescope to observe the stars and planets. This same tool has allowed modern astronomers to see objects that are billions of light years from Earth. This tool also detects things such as gamma rays and x-rays, which are invisible to the human eye.
Galileo observed the night sky and made several revolutionary findings, such as the discovery of the four largest moons of Jupiter, the phases of Venus, and the craters and mountains on the Moon. These observations provided compelling evidence for the heliocentric model of the solar system proposed by Copernicus, where the Sun is at the center, and the planets, including Earth, revolve around it.
Galileo's use of the telescope marked a pivotal moment in the history of astronomy, as it allowed scientists to explore the cosmos in unprecedented ways. Fast forward to modern times, and telescopes have undergone significant advancements and technological improvements. Modern astronomers now have access to powerful telescopes, including space-based telescopes like the Hubble Space Telescope, which can observe objects that are billions of light-years away from Earth. These telescopes have provided stunning images and data of distant galaxies, nebulae, and other celestial phenomena, shedding light on the vastness and complexity of the universe.
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An anticodon is a sequence found on a(n) ______ molecule, whereas a codon is a sequence found on a(n) ______ molecule.
An anticodon is a sequence found on a tRNA molecule, whereas a codon is a sequence found on a mRNA molecule.
tRNA Molecule- Transfer RNA, often known as tRNA, is a tiny RNA molecule that is essential for the production of proteins. Between both the messenger RNA (mRNA) molecule as well as the expanding chain of amino acids that form a protein, transfer RNA acts as a link (or adaptor).
mRNA Molecule- Messenger ribonucleic acid (mRNA) is just a single-stranded RNA molecule that, in molecular biology, is read by a ribosome during the protein-synthesis process and corresponds to a genetic sequence of a gene.
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17. What product do all three reactions in Model 2 have in common?
In all the reactions, reactants release water as a by-product. Thus, this is a type of condensation reaction which is common in Model 2.
What is a condensation reaction?A chemical reaction in which two small molecules combine with each other to form a larger molecule is defined as a condensation reaction. Water is released as a by-product in this type of reaction.
Formation of sucrose, a disaccharide by combining two monosaccharides (Glucose + fructose) is an example of condensation reaction. Similarly, two amino acids are joined together to form a dipeptide through the elimination of water molecule.
Thus, condensation reactions are important in biochemistry for the formation of macromolecules.
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Answer:
Reactants release water as a by-product
Explanation:
Scientists use science to____________________the world.
Answer:
Scientists use science to___Study_________________the world.
Explanation:
Hope this helps :)
Which of the following is NOT true about cytokinesis?
A. Begins in anaphase and continues on through telophase
B. Nuclei have taken on the appearance of interphase nuclei
C. Is the process whereby the cytoplasm of a single cell is divided to
spawn two daughter cells
D. Is first seen when the cell begins to pucker in, a process called
furrowing
Answer: A
Explanation:
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Assume that a g1 somatic leaf cell nucleus in sunflower contains 16 picograms of dna. how much dna would be expected in a metaphase i cell of a flower?
A flower's metaphase I cell should have 32 picograms of DNA, based on the assertion made.
What is the metaphase?A phase of cell division known as "metaphase" (mitosis or meiosis). Individual chromosomes are typically dispersed throughout the cell nucleus. The chromosomes of the cell condense and move toward one another, aligning in the center of the dividing cell, and the nucleus of the cell disintegrates during metaphase.
What occurs first during the metaphase?Meiosis I's initial metaphase entails the alignment of paired chromosomes along the cell's middle (metaphase plate), guaranteeing that the two daughter cells that follow from meiosis I have two full copies of each chromosome.
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1. A ball is held above the ground, and then is dropped so it falls straight down.
(Restrict your analysis to the ball moving in the air, BEFORE it hits the ground.)
Since this is an analysis based on diagrammatic information, refer the attached image for a detailed explanation:
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Jess measured the door with the meter stick. Upon measuring, he found that the door to the classroom was 1.25 meters long. How many decimeters (dm) would this be?
Answer:
12.5 decimeters
Explanation:
Which of the following would be a good example of responsiveness to your environment?
You are scared of the dark.
You are scared of the dark.
You are tired at the end of the day.
You are tired at the end of the day.
You are hungry several hours after breakfast.
You are hungry several hours after breakfast.
You are taller now than when you were a baby.
A good example of responsiveness to your environment is: You are scared of the dark; option A
What is responsiveness to the environment?Responsiveness to their environment is one of the characteristics of living things. This characteristic is known as irritability, which is the response to stimuli from within the organism or the outside environment.
When an organism responds to stimuli, it could show an immediate or delayed response to the stimuli. For example, plants show a delayed response to environmental stimuli whereas animals show an immediate response to external stimuli.
An example of a response to changes in the environment is being scared when it gets dark.
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What type of transport requires energy to carry a nutrient from outside the cell, through the cell membrane, and into the cell?.
The amino acids which can provide positive charge will be Arginine or lysine .
What do a polypeptide's N-terminus and C-terminus look like?
The "N-terminus," also known as the "amino terminus," and the "C-terminus," also known as the "carboxyl terminus," are the free amine and carboxylic acid ends of the chain, respectively. These two protein termini differ chemically from one another, hence it follows that they will naturally have various chemical properties.
Arginine is an amino acids that helps in body build protein . In packaging of DNA arginine and lysine are used because they carry positive charge.
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Active transport requires energy to carry a nutrient from outside the cell, through the cell membrane, and into the cell.
What is active transport?Active Transport is defined as a process involving the movement of molecules against a gradient or an obstruction from a location of lower concentration to a region of greater concentration with the use of external energy.
During active transport, a protein pump uses ATP, which is a sort of stored energy, to move molecules.
Some examples of active transport include the uptake of glucose by the human intestine and the uptake of minerals or ions by plant root hair cells.
Primary active transport and secondary active transport are the two categories of active transportation.
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