One cell that undergoes meiosis will yield how many independent cells?
They will make 4 daughter cells
Mitosis makes 2 daughter cells
Need help ASAP
The image depicts
A) that organisms have changed over time
B) that the Cenozoic Era came before the Paleozoic Era
C) that the Paleozoic Era is the most recent era in time
D) that the organisms living on Earth have remained unchanged over time
Answer:
Option A, hat organisms have changed over time
Explanation:
Here option B is incorrect as Cenozoic Era came after the Paleozoic Era.
Option C is also incorrect because Cenozoic Era is the most recent era while Paleozoic Era is the oldest.
Option D is incorrect as it is visible from the graph the animal species on planet earth have changed a lot from Paleozoic Era to Cenozoic Era
Thus, the only correct answer is option A, as it is clearly visible from the graph that organisms have changed drastically over time on planet earth.
The most common map projections are based on three geometric shapes. Which of the following geometric shape is not one of the three geometric shapes
A geometric shape is the geometric information which remains when location, scale, orientation and reflection are removed from the description of a geometric object. ... Such shapes are called polygons and include triangles, squares, and pentagons.
The most common map projections are based on three geometric shapes: the cylinder, the cone, and the plane. The cylinder is used for Mercator projections, which distort sizes as latitude increases. Any shape other than these three is not commonly used for map projections.
Explanation:The most common map projections are based on three geometric shapes, which are: the cylinder, the cone, and the plane. Map projections like the Mercator projection are based on a cylinder, meaning they project the globe onto a cylinder so that all the latitude lines have the same length as the equator. However, since the Earth is spherical, such cylindrical projections lead to distortions, especially near the poles where the map becomes increasingly stretched.
These distortions explain why on a Mercator projection map, regions such as Greenland or Antarctica appear significantly larger than they actually are when compared to equatorial regions. Due to the variation in shape, there could be many misconceptions about the true size of continents. For example, the True Size comparison shows that the United States, China, and India could all fit within the actual area of Africa with room to spare, whereas a Mercator map may suggest differently.
It is important to note that while these three shapes are most commonly used for map projections, there are numerous other ways earth's surface can be represented, each with its own set of compromises. Therefore, the correct answer to the student's question is that any geometric shape not among the cylinder, cone, or plane is not one of the three commonly used shapes for map projections.
What happens to the structure of the protein when the critical point of temperature is reached?
Select all that apply.
A
The enzyme becomes denatured.
B
The enzyme loses function.
C
The protein structure is disrupted.
D
The structure of the protein is not changed.
The answers that apply are; A, B, & C
Proteins work at a particular range of temperatures, working optimally at around 37 degrees (body temperatures). When the temperatures exceed 40 degrees, the protein becomes denatured. This means that it loses its structure because the high temperatures break the hydrogen bonds that play a significant role in its tertiary structure. When denatured, the protein is unable to perform its function because the active site is also lost or is no longer effective.
Which events contributed to life evolving on Earth? Check all that apply.
-Organisms began to photosynthesize.
-The surface cooled, and water condensed.
-Volcanoes added carbon dioxide to the atmosphere.
-Ozone formed and blocked ultraviolet rays from the Sun.
-Comets crashed into Earth, releasing water.
The answers that apply include;
Organisms began to photosynthesize.The surface cooled, and water condensedOzone formed and blocked ultraviolet rays from the SunWhen orgasms started to photosynthesize, they caused the great oxygenation event. This favored evolution of aerobic organisms on the surface of the earth.
When the earth cooled, water was able to exist in liquid form and settled in the basins where life could being to spur.
Ozone (largely formed during the oxygenation event) protected genetic material from damage by UV light hence life was able to evolve on the surface of the earth
The evolving of life on Earth is caused by ;
Organisms began to photosynthesize The surface cooled and water condensed Volcanoes added carbon dioxide to the atmosphere.Ozone formed and blocked ultraviolet rays from the sunThe earth was initially void with no light and oxygen, therefore most of the organisms that existed earlier on earth were anaerobic and did not produce their food through photosynthesis.
The evolution of life on earth started with organisms ( green plants and algae ) undergoing photosynthesis in the presence of light energy utilizing carbon dioxide added by the volcanoes and water from the atmosphere to produce their food .
The Ozone layer helps prevent violent ultraviolet rays from reaching the earth which encourages the evolving of life on earth overtime.
Hence we can conclude that The evolving of life on Earth is caused by ;Organisms began to photosynthesize, The surface cooled and water condensed, Ozone formed and blocked ultraviolet rays from the sun
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A cellular enzyme is effectively deactivated by an increase in temperature of 10°C. Which is the most likely mechanism of the deactivation?
A. The enzyme, which is a carbohydrate, breaks apart into glucose molecules.
B. The enzyme, which is a protein, breaks apart into individual amino acids.
C. The enzyme changes shape and is no longer able to bind the substrate.
D. The enzyme reacts with the substrate to produce side products.
The answer is; C
When the temperatures are increased, the protein structure is destabilized because the essential hydrogen bonds between amino acid residues that maintain the protein structure begin to be broken. This is called denaturing of the protein. The protein loses shape and the active site is distorted causing the enzyme to be unable to bind to its substrate.
The enzyme is most likely inactivated by a process known as denaturation, in which it changes shape due to a temperature increase and is unable to bind to its substrate. This explanation corresponds to option C.
Explanation:The increase in temperature is most likely causing the cellular enzyme to deactivate through a mechanism known as denaturation. In this process, which option C describes, the enzyme, a type of protein, changes its shape and is no longer able to bind to the substrate it normally interacts with. When an enzyme's shape changes in this way, its active site – the place where it interacts with its substrate – is often altered, preventing the enzyme from performing its function.
A crucial point here is that enzymes are not carbohydrates that can break down into glucose molecules (option A) or proteins that disintegrate into individual amino acids (option B) with a change in temperature. Also, enzymes do not typically react with substrates to produce side products (option D); instead, they act as catalysts to accelerate reactions between substrates without themselves altering.
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Which steps do geologists use to find the epicenter of an earthquake?
Geologists appropriate seismic streams to determine an earthquake's epicenter.
Explanation:You first require to record the coming times of the P waves and S waves from the seismograph and then deduct them.
Once you discover the time variation, you then require to look on a distance-time plan to discover how far from the epicenter that 1 seismograph is.
Then, on your map, using the map's scale, you need a compass and initiate the compass just to the distance you determined on the distance-time graph.
Using the area of the seismograph as the center-point, trace around with the compass. The range of your circle should be equivalent to the measure from the distance-time graph.
You later need to do this alike calculation for two additional seismographs. Where the three circles meet, such is the epicenter of that earthquake.
Answer: seismograph
Explanation: just did the assignment
DNA can be found it what organelles
You may be referring to the nucleus. The nucleus controls the cell, and it contains chromosomes (DNA) genetic makeup. Hope I could help|!
DNA is primarily found in the nucleus of eukaryotic cells. However, it also exists in organelles such as the mitochondria and chloroplasts. In prokaryotic cells, DNA is found in a region called the nucleoid.
Explanation:Deoxyribonucleic acid, otherwise known as DNA, carries the genetic instructions used for the functioning and development of all living organisms. DNA primarily resides within the nucleus of eukaryotic cells. However, it is also found in other cell organelles, such as mitochondria and chloroplasts. In the nucleus, the DNA is organized into structures called chromosomes. Each chromosome contains many genes. Proteins, which are vital for the cell's functionality, are crafted based on the information stored in these genes.
In prokaryotic cells, DNA, usually in the form of a single, circular chromosome, is found in a region in the cytoplasm called the nucleoid, which is not enclosed by a nuclear membrane like in eukaryotes. This structural difference reflects the evolutionary complexity and diversity among living organisms. However, regardless of the type of cell, DNA serves as an essential component, informing the cell's activity and playing a determinant role in its structure and capabilities.
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Compare and contrast the three different types of passive transport: Diffusion, Osmosis, and Facilitated Diffusion.
Similarities:
Both move from a region of high concentration to a region of low concentration through a partially permeable membrane.
Differences:
Facilitated diffusion is for any small particles which can pass through a partially permeable membrane while osmosis is only for water molecules.
Final answer:
Diffusion, osmosis, and facilitated diffusion are three types of passive transport across a cell membrane.
Explanation:
Passive transport is a way that small molecules or ions move across the cell membrane without input of energy by the cell. The three main kinds of passive transport are diffusion, osmosis, and facilitated diffusion.
Diffusion is the movement of molecules from an area of high concentration to an area with a lower concentration.
Osmosis is the diffusion of water across a selectively permeable membrane.
Facilitated diffusion requires the assistance of proteins to move molecules across the cell membrane.
If nice with white coats are dominant to those with Brown coats, what is the genotype of a heterozygous mouse
Final answer:
A heterozygous mouse with regard to coat color has a genotype of "Ww", where "W" is the dominant allele for white coat color and "w" is the recessive allele for brown coat color. This heterozygous state does not affect the calculation of the phenotypic ratio in this context, and it is important to note the concept of epistasis when considering pigment production in mouse coat color.
Explanation:
In genetics, the genotype refers to the genetic makeup of an organism, specifically the alleles it has inherited. In the context of mice coat color, a heterozygous mouse for coat color has one allele for the dominant trait (white coat color) and one allele for the recessive trait (brown coat color). Since white coats are dominant, the genotype is represented by the letters "Ww", with "W" indicating the dominant white allele and "w" indicating the recessive brown allele.
The concept of a phenotypic ratio comes into play when predicting the outcomes of crosses between organisms. A phenotypic ratio describes the relative number of offspring with different physical traits (phenotypes) that result from a genetic cross. However, the question does not require us to calculate a phenotypic ratio, as it asks specifically for the genotype of a heterozygous mouse.
Additionally, epistasis is a genetic phenomenon where one gene can interfere with the expression of another gene. In the case of mice coat color, the gene responsible for pigment production (C) is epistatic to the agouti gene (A). An albino mouse with a genotype of cc will lack pigment, regardless of its genotype at the A locus.
1.Which activity would you predict is most likely to have the smallest impact on environmental systems? A. using more land to grow corn that is used to produce fuel B. using land to create a national park C. building a dam for energy production D. building new housing in an area far from a city
The correct answer is option B, that is, using the land to create a national park.
National parks refer to big areas of public land set aside for the native animals, plants, and the habitats in which they thrive. The national parks safeguard the places of natural beauty and are home to various endemic species.
National parks are in real sense safeguarded regions, conserving biodiversity is the central aim for such protected areas. The national parks offer a safe home for the local animals and plant species, they also help in keeping the water and air clean.
The activity with the smallest environmental impact is likely using land to create a national park. This is because such areas are generally protected from development and exploitation, preserving ecosystems and biodiversity.
Explanation:From the options A, B, C, and D, the activity most likely to have the smallest impact on environmental systems is using land to create a national park (Option B). When lands are designated as national parks, they are typically protected from most forms of development and exploitation. These areas serve to preserve natural ecosystems and biodiversity, having a minimal negative impact, and sometimes even positive impacts, on the environment. In contrast, using land to grow corn for fuel (Option A), building a dam for energy (Option C), or constructing new housing in remote areas (Option D), involve significant changes to the land and can disrupt ecosystems, leading to substantial environmental impact.
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How plasma membrane help maintain homeostasis
The Plasma membrane maintains the homeostasis throughout a cell because it filters what substances go in and out of the cell. If there is too much of a substance in a cell the… plasma membrane quickly disposes it and when there is not enough of a substance in a cell the plasma membrane lets the substance in. hope it helps
The plasma membrane maintains homeostasis by selectively allowing substances in and out of the cell while preventing the entry of harmful materials.
The plasma membrane plays a crucial role in maintaining homeostasis by acting as a selective barrier, controlling the passage of substances in and out of the cell. This selective permeability is vital for allowing essential nutrients to enter, waste products to exit, and for preventing harmful substances from affecting the cell's internal environment.
Moreover, the fluid nature of the plasma membrane enables proteins to move and function where needed, while the use of energy in the form of adenosine triphosphate (ATP) helps maintain ion gradients that are critical for cell function.
Cells that require larger amounts of specific substances have developed special transport mechanisms to ensure these materials are obtained from the extracellular fluids, often utilizing ATP to actively transport these substances against their concentration gradients.
The plasma membrane's flexibility is important for cells like red and white blood cells to change shape as they navigate through tight capillaries. Furthermore, the membrane's surface markers play a crucial role in cell recognition, important for tissue formation and the immune response's distinction between 'self' and 'non-self'.
Do you think the corpse flowers smell meets the definition of an adaptation as stated in the video
Answer:
Yes. Because the flower blooms for only a short time, it needs to attract pollinators quickly so that it can reproduce. If it didn’t have this adaptation, the plant might not be able to produce offspring.
Explanation:
plato sample answer
Yes, I think the corpse flower's smell meets the definition of an adaptation.
What is Plant adoption?Plant adaptation is when a species develops special features to improve its chances of survival. Adaptations evolve over a long period of time, and they are inheritable, meaning they are passed on to offspring.
It is because the flower blooms only for short time and it needs to attract pollinators quickly so that it can reproduce. If it didn't have adaptation, the plant might not be able to produce offspring.The corpse flower smells like a mixture of rotten food, decaying organisms, and garbage.This repulsive scent attracts pollinating insects to the flower.In biology, adaptation is the act or process of changing to better suit a situation.Adaptation is also a process by which a species becomes fitted to its environment.Adaptation is a kind of behavioral or physical characteristic.To learn more about adaptation, refer to: https://brainly.com/question/24425642
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In which item is energy stored in the form of gravitational potential energy?
A.
a slice of bread
B.
a compressed spring
C.
an apple on a tree
D.
a stretched bow string
The is an estimate of the fewest number of organisms a population needs to avoid extinction. This measurement will most likely if the number of offspring each female in the population produces increases. If the population's , this measurement will most likely increase.
Answer and Explanation:
1. Minimum viable population is the estimate of the fewest number of organisms a population needs to avoid extinction.
2. The measurement will most likely stay the same if the number of offspring each female in the population produces increases.
3. If the death rate increases, this measurement will most likely increase.
Clarification:
Least Feasible Populace:
Least practical populace is a biological edge that implies the base number of people needed to keep the species from going wiped out.
MVP decides populace preservation benchmarks.
MVP additionally helps in keeping a populace hereditarily assorted as a set number of people present restricted mating openings and accordingly restricted hereditary variety.
The minimum viable population (MVP) is the estimate of the fewest number of organisms a population needs to avoid extinction. The MVP increases with an increase in the number of offspring produced by each female. However, if the population's habitat declines, the MVP measurement will likely increase as the population faces more threats and risks of extinction.
Explanation:The minimum viable population (MVP) is an estimate of the fewest number of organisms a population needs to avoid extinction. The MVP measurement most likely increases if the number of offspring each female produces increases. This is because having more offspring increases the chances of population growth and survival. On the other hand, if the population's habitat is declining or there are ongoing losses of habitat, the MVP measurement will most likely increase as the population faces more threats and risks of extinction.
Which substance, when added to public water, helps to prevent tooth decay? Sodium Halide Chloride Fluoride
Hey there!
Fluoride would be the correct answer. This is what you would find in most, if not all toothpastes.
Hope this helps!
What technological advancement was necessary before scientists could begin to observe cells? A. invention of the microscope B. invention of the balance C. invention of the telescope D. invention of the thermometer
A : microscope will be your answer
the correct answer would be
A) invention of the microscope
what happens during the first step in DNA replication?
The first step in DNA replication is the separation of the two DNA strands that make up the helix that is to be copied.
It starts when a protein starts the unwinding of the DNA helix. Next comes the separation of the DNA strands right before the transfer of genetic data to the newly assembled DNA strands starts. A protein known as helicase is what breaks down the hydrogen bonds between strands of DNA during replication.
Which statement best describes the amount of catalyst that remains at the end of a reaction?
The answer is the catalyst is consumed by the reaction, so none remains at the end of the reaction.
Catalysis is the increase in the rate of a chemical reaction due to the participation of an additional substance called a catalyst. With a catalyst, reactions occur faster and require less activation energy.
Answer: its option d
Explanation:
sulfur in a pure elemental state is most often found near active
Sulfur-containing ores include such sulfides as pyrite, galena, cinnabar, sphalerite, and chalcopyrite, as well as such sulfates as gypsum and barite or heavy spar.
Sulfur, in its pure elemental state, is most commonly found near active volcanic areas. It exists in nature as elemental deposits or as sulfides/sulfates of other elements. It plays a crucial role in the formation of proteins and in the sulfur cycle.
Explanation:Sulfur in a pure elemental state is typically found near active volcanic areas. Sulfur exists in nature as elemental deposits and also as sulfides of iron, zinc, lead, and copper, and sulfates of sodium, calcium, barium, and magnesium. Hydrogen sulfide is a common component of natural gas and is found in many volcanic gases. Sulfur is also a key component in many proteins and is essential for life.
A significant amount of sulfur also comes from hydrogen sulfide, which is recovered during the purification of natural gas. It exists in several allotropic forms, and its stable form at room temperature contains eight-membered rings. Therefore, the actual formula for sulfur is S8, but for simplicity, it is often represented as just S in chemical equations.
Sulfur is also an essential element for the macromolecules of living beings. Especially, as part of the amino acid cysteine, it aids in the formation of disulfide bonds within proteins which determine their 3-D folding patterns and hence their functions. In addition, sulfur plays an important role in the sulfur cycle, cycling between the oceans, land, and atmosphere.
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What is an advantage of using totipotent cells instead of pluripotent cells for medical treatments?
A. Totipotent cells take a long time to mature.
B. Totipotent cells are easier to find in the human body.
C. Totipotent cells are the most common type of adult cells.
D. Totipotent cells can differentiate into more types of cells.
answer is D ( totipotent cells can differentiate into more types of cells )
How would you define the term energy?
energy is property that must be and can be transferred to an object
Answer: Energy is the ability to do work. Living things need energy to grow, develop, move, and perform voluntary and involuntary body processes.
Plato Answer
neutrons have a negative electrical charge true or false
Your answer is true. SUPRISE FACT ABOUT ATOMS!!: When you think of an atom what do you think of? Problily a small circle with afew rings around it right? Well, actually an atom doesnt look like that at all!! An atom looks sort of like the Solar System, and the little rights are like the rotation the planets spin in, also the little star like balls/dots dont actually go around the atom's center, but go in many diffrent places it can be far from the atom, or can be very close! An atom is unpredictable, so there is no correct answer to where the atom's little balls/dots will end up next. I hope this helped, and also hope you liked/loved the Fun-Fact!! Your fellow Brainly user, GalaxyGamingKitty
Answer:
false
Explanation:
Where do low and high tides occur
they occur because of the moon and the moon controlled all tides
what is the difference between a control group and an experimental group?
Control Group: Group that is being controlled .This group doesn´t receive the treatment from the researchers
Experimental Group:Group that is being Experimented and that receives the testing
An experimental group is the group in an experiment that receives the variable being tested. One variable is tested at a time. The experimental group is compared to a control group, which does not receive the test variable. In this way, experimental groups are used to find answers in an experiment.
The difference between a control group and an experimental group is that the independent variable is changed for the experimental group, but is held constant in the control group.
In this way we came to know the result of the experiment by calculating the difference between them.
For anyone who understand biology help me out lol
This is an evolutionary event in which population size is Radically reduced usually because of of a catastrophic event
Answer:
bottleneck effect
Explanation:
The bottleneck effect is an evolutionary event in which population size is radically reduced, usually due to a catastrophic event.
This effect occurs when sudden changes in the environment, such as natural disasters and habitat fragmentation, reduce the size of a population and hence genetic diversity. An example of this effect is what happened to the prairie grouse, a bird that lived on the grasslands of the state of Illinois, in the United States. The conversion of grasslands to crops and pastures throughout the nineteenth century drastically reduced their populations to less than 50 individuals in 1993. This also reduced genetic diversity and led to increased frequency of deleterious genes. Thus, compared to other populations of the species, egg hatching rates in Illinois capercaillie populations were much lower, below 50%.
What is the largest available source of fresh water for drinking in the hydrosphere?
Oceans, rivers, glaciers, aquifers/ground water, atmosphere, and biosphere. Frozen hydrosphere is the largest reservoir of fresh water, but ground water is the largest available source of fresh water.
Answer:
Groundwater
Explanation:
What is the function of Plasmid DNA (in prokaryotic cells)?
PLZ DUE TOMMOROW!!
What is the nucleolus
The nucleolus is a vital structure within the nucleus of eukaryotic cells responsible for creating ribosomal RNA, which leads to the production of ribosomes.
The nucleolus is a central structure within the nucleus of eukaryotic cells that is primarily responsible for creating ribosomal RNA (rRNA), which is essential in the production of ribosomes. Ribosomes are molecular machines critical for protein synthesis in the cell. The nucleolus appears as a dense, dark-staining mass under a light microscope. It is considered the largest structure in the nucleus where the synthesis and partial assembly of ribosomes occur. The nucleolus is made up of proteins, RNA, and DNA and forms around specific chromosomal regions.
Aside from its main role in ribosome assembly, the nucleolus plays a part in cell stress responses and assembly of signal recognition particles. If the nucleolus does not function correctly, it can lead to several human diseases.A single nucleus may contain several nucleoli, which further highlights its fundamental importance in cellular function and in maintaining the cell's protein-making capabilities.