Answer:
The correct answer is option A. two identical nuclei.
Explanation:
Mitosis is a type of cell division during which two identical daughter cells are produced from a single parent cell.
During mitosis, replicated chromosomes are divided into 2 new nuclei, It gives rise to identical cells with the same number of chromosomes.
During interphase, DNA of the cell is replicated and at the last of interphase, the original DNA and a copy of this DNA are in the nucleus of the cell.
In the M phase or mitotic phase, the nuclear DNA of the cell condenses into chromosomes and is pulled apart by the mitotic spindle, made out of microtubules. Four phase takes place during mitosis: prophase, metaphase, anaphase, and telophase. IT results in two identical daughter cells after cytokinesis.
Thus, the correct option is two identical nuclei.
The outcome of mitosis is two identical nuclei
What is the outcome of mitosis?The outcome of mitosis is the division of a cell into two daughter cells, each containing an identical set of chromosomes. During mitosis, the replicated chromosomes are separated and distributed equally into the daughter cells, resulting in the formation of two identical nuclei. This process ensures that each daughter cell receives the same genetic information as the parent cell, allowing for growth, tissue repair, and asexual reproduction in organisms.
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Choose the three possible answers that could explain how alleles expressed in heterozygotes interact to make a third phenotype, different from either homozygote.
There is a dominant relationship between alleles.
There is a codominant relationship between alleles.
There is an incomplete dominance between alleles.
The trait is polygenetic in nature.
Which of these statements best proved that electromagnetic forces are weaker than strong nuclear forces?
Minerals are classified into groups primarily on the basis of _______.
Final answer:
Minerals are classified based on the anion part of their chemical formula into groups such as oxides, sulfides, and silicates, with silicates being the most abundant in the Earth's crust and mantle.
Explanation:
Minerals are classified into groups primarily on the basis of chemistry, specifically the anions within the chemical formula. Most minerals are made up of a cation (a positively charged ion) and an anion (a negatively charged ion) or anion complex. These anions are used to group minerals into classes such as oxides, sulfides, carbonates, silicates, and others.
Furthermore, silicates are the predominant group within the Earth's crust and mantle, characterized by their silicon-oxygen tetrahedra.
What was the first period of the Paleozoic era?
1.Siberian
2.Precambrian
3.Ordovician
4.Cambrian
The correct answer is (d) Cambian
The first period of Paleozoic era was Cambian period which lasted from 541 million years ago to 485 million years. This period was marked as a boom in evolutionary history by the event named as Cambrian Explosion. In this event a large number of creatures evolved in any single period of the Earth. creatures like algae and arthopods like trilobites. All the marine phyla also evolved during this period.
Alcohol's lack of digestion and almost immediate introduction into the bloodstream accounts for the rapid onset of impairment when you consume alcohol.
a.true
b.false
Although she and her roommate have the same exact ringtone, lakisa can always tell when the ringing phone is coming from her side of the room. she can do this because of the difference in time the sound takes to reach her left versus her right ear, and also because the sound reaching the ear closest to the phone is
A drug that is made from anesthetic which is a common ingredient in pesticides is known as
If embryonic testes do not produce testosterone, a genetic male develops female external genitalia. however, if embryonic testes properly produce testosterone, but a genetic male nevertheless develops female external genitalia, the cause could be ______.
If embryonic testes properly produce testosterone, but a genetic male nevertheless develops female external genitalia, the cause could be a mutation in the gene that codes for the testosterone receptor.
Mutation of gene means, change in the sequence of DNA (deoxyribonucleic acid). A genetic disorder is a condition when mutations occurred in one or more genes.
The principle that states that two different species cannot occupy the same niche in a given habitat is called what
The principle that states that two different species cannot occupy the same niche in a given habitat is called the competitive exclusion principle.
Explanation:The principle that states that two different species cannot occupy the same niche in a given habitat is called the competitive exclusion principle. This principle states that different species cannot coexist in a community if they are competing for all the same resources. It works because if there is an overlap in resource use and competition, traits that reduce reliance on the shared resource will be selected for, leading to evolution that reduces the overlap.
For example, two protozoan species, Paramecium aurelia and Paramecium caudatum, when grown individually in the laboratory, both thrive. But when they are placed together in the same habitat, P. aurelia outcompetes P. caudatum for food, leading to the extinction of P. caudatum.
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A neonate is born with exstrophy of the bladder, and the parents are upset. they are told that corrective surgery will be performed as soon as possible. how can the nurse best help the parents at this time?
The first visible signs of senescence are usually observed in a person's ___
Answer:
Skin
Explanation:
In simple terms senescence is the process of aging, biologically it is the stage whereby cell division ceases. Senescence is caused by:
Telomere damageDNA damagedeteriorated mitochondriaEpigenetic abnormalityWhich of the following is carried out in the Golgi apparatus of the cell?
A.) Digestion of large molecules
B.) Cellular respiration
C.) Protein synthesis
D.) Protein modification and storage
d. protein modification and storage
Chemical bonds found in living systems do not normally include __bonds
Researchers want to use eDNA to look for an invasive species in a waterway. Which step should they do first?
Answer:
its A.
Explanation:
for apexs
The rise of oxygen concentration in the modern atmosphere is partially due to the preservation of organic matter before it could _____.
A client is admitted with chest pain unrelieved by nitroglycerin, an elevated temperature, decreased blood pressure, and diaphoresis. a myocardial infarction is diagnosed. which should the nurse consider as a valid reason for one of this client’s physiologic responses?
Which of the following is a method used to prevent soil depletion?
a-Dune fences
b- Contour farming
c-Adding fertilizers
d- Planting grasses on slopes
i believe it is b dont know for sure please help
Contour farming is the correct answer, as it involves plowing and planting along land contours to reduce soil erosion and prevent soil depletion.
The method used to prevent soil depletion is b- Contour farming. Contour farming involves plowing and planting crop rows along the natural contours of gently sloping land, which helps to slow water runoff, inhibit the formation of channels of water, and limit soil erosion. This practice is particularly effective on slopes in the 3-8% range. Other soil conservation techniques include terracing, strip cropping, using cover crops, and conservation tillage, each of which contributes to reducing soil loss and enhancing soil fertility.
Most marine animals live near the surface of the ocean because of ________, which supports photosynthesis by marine algae that form the basis of the food chain.
Marine animals predominantly live near the ocean's surface because light is available there for photosynthesis, which is necessary for the growth of marine algae, the food chain's base. The region with sufficient light is known as the photic or euphotic zone. Nutrients are recycled through ocean upwelling, supporting this dynamic ecosystem.
Most marine animals live near the surface of the ocean because of light, which supports photosynthesis by marine algae that form the basis of the food chain. The photic or euphotic zone, which extends down to about 200 meters, is where there is sufficient light for photosynthesis. This region supports a vast array of marine life since plant life can only exist where light is available to drive photosynthesis, and these plants are a primary food source for many marine animals. Once organisms die, they fall to the deeper parts of the ocean, and their nutrients can eventually be recycled through processes like ocean upwelling, which brings nutrients from the depths back to the surface waters where they can be used by photosynthetic organisms again, thereby supporting the marine food web.
In humans, the allele for having dimples is dominant to the allele for not having dimples. What would you expect to see in the offspring of a woman with dimples who is homozygous (DD) and a man who is heterozygous (Dd) for the trait?
You are driving in the left lane on a four-lane freeway and have to take the exit on the right. you should ______________.
Final answer:
To safely move from the left lane to the right exit on a four-lane freeway, signal early, check mirrors and blind spots, and change lanes gradually, ensuring it's safe to do so.
Explanation:
If you are driving in the left lane on a four-lane freeway and need to take an exit on the right, you should begin by signaling your intention to change lanes well in advance. Next, check your mirrors and your vehicle's blind spots to ensure that it is safe to make the lane change. Then, gradually and safely move over to the right lane, making sure to do so one lane at a time until you reach the exit lane. This process might require you to adjust your speed to match the flow of traffic in the lanes you are moving into. Remember, making abrupt lane changes or cutting across multiple lanes of traffic at the last minute is dangerous and could lead to accidents.
A human bone marrow cell, in prophase of mitosis, contains 46 chromosomes. how many chromatids does it contain? a human bone marrow cell, in prophase of mitosis, contains 46 chromosomes. how many chromatids does it contain? 92 46 or 92, depending on the portion of prophase examined 23 23 or 46, depending on the portion of prophase examined 46 submithintsmy answersgive upreview part
A human bone marrow cell in prophase of mitosis contains 92 chromatids because each of the 46 chromosomes consists of two sister chromatids.
Explanation:If a human bone marrow cell is in the prophase stage of mitosis, it contains 46 chromosomes. As the cell enters the prophase stage, each chromosome has already replicated, and the two copies, known as sister chromatids, are bound together. Therefore, a human bone marrow cell in prophase of mitosis will contain 92 chromatids, as each of the 46 chromosomes consists of two chromatids at this point in the cell division process.
In prophase of mitosis, each chromosome consists of two identical sister chromatids, connected at a region called the centromere. Therefore, a human bone marrow cell in prophase of mitosis, with 46 chromosomes, contains a total of 92 chromatids.
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The process of injecting water, sand, and chemicals under high pressure into rocks to release oil and natural gas is known as
Which is the best description of the skin senses?
The skin senses, also known as the somatosensory system, are responsible for detecting and relaying information about various sensations from the skin and other tissues of the body to the brain.
These sensations include touch, pressure, pain, temperature, and proprioception (awareness of body position and movement). The skin is the largest organ of the body and plays a crucial role in our interactions with the external environment.
The best description of the skin senses would be:
"The skin senses are a complex system that allows the human body to perceive and respond to various external stimuli. They encompass a range of sensations, such as touch, pressure, pain, temperature, and proprioception. These sensations are detected by specialized nerve endings (receptors) distributed throughout the skin and other tissues. The sensory information is then transmitted through nerve pathways to the brain, where it is processed and interpreted, enabling us to navigate and interact with our surroundings effectively."
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the process used to convert seawater into fresh water is known as
Answer:
The answer is: Fresh water is obtained by desalination of seawater.
Explanation:
Desalination plants, also known as desalination plants, are industrial facilities intended for desalination, usually of seawater or salty lakes, to obtain drinking water.
The answer is: Fresh water is obtained by desalination of seawater.
The process used to convert seawater into fresh water is known as desalination.
Desalination is the process of removing salt and other impurities from seawater to make it suitable for various purposes, including drinking, irrigation, and industrial use.
There are several methods of desalination, including reverse osmosis, multi-stage flash distillation, and electrodialysis, among others.
These methods employ different mechanisms to separate the salt and other minerals from the seawater, resulting in the production of fresh water.
Desalination plays a crucial role in addressing water scarcity in regions where access to fresh water is limited, especially in arid coastal areas.
Thus, the answer is desalination.
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Which process allows a species to produce new generations of individuals?
Answer:
Meiosis
Explanation:
Meiosis is the process that allows a species to produce new generations of individuals, because meiosis is the complementary process to fertilization, which allows the number of chromosomes of a species to remain constant over generations.
Meiosis refers to the process of cell division through which a cell has its chromosome number halved. By this process gametes (animals) and spores (plants) are formed. It consists of two consecutive divisions, called Meiosis I and Meiosis II. Both are subdivided into four phases, which have the same name as mitosis.
Scientists have believed for many years that marine temperatures drop as ocean depth increases. What experimental method would best test this hypothesis, and why?
a.Bring samples of ocean water from various depths to the lab and measure the temperature of each sample, because this most directly measures water temperature
b.Send a robot to measure the temperature of the ocean at various depths and plot the data on a graph, because ocean temperature may change with depth
c.Capture fish from various ocean depths and measure the temperature of their tissues, because this directly measures the temperature of living systems
d.Collect rocks from various ocean depths and determine what temperature was present during the rocks' formation, because rocks do not change once they are formed
Answer:
b. Send a robot to measure the temperature of the ocean at various depths and plot the data on a graph, because ocean temperature may change with depth
Explanation:
Remember that in a scientific experiment we are supposed to validate or reject our hypotesis, in this case we must determine if water's termerature of the ocean changes depending of the depth. The hypotesis would be: As ocean depth increases, water temperature drops.
The only way to validate or reject this is to measure the temperature of water at different depths. Option B is the only one that gives us this possibility, technology allows us to send a robot into the ocean and submerge measuring the different temperatures.
The other options take the subject of study out of the controled zone, by extracting water or a fish from the depths and measuring it's tempreature, we take the risk that other factors, such as surface's temperature, affect the result.
What is the name of the surgical procedure for the rearrangement of the nasal septum?
The limbic system of the brain is responsible for _____.
Feelings, Fear, and Pleasure.
While walking in the forest, you see a plant with a flower that has three petals and leaves with parallel veins. what type of plant is this?
How many different phenotypes are possible in a one gene/three allele system that displays codominance to each other?
3 homozygous and 3 heterozygous
combinations. Each unique combination of two alleles results in a distinct
phenotype. Possible combinations are:
a1/a1
a1/a2
a1/a3
a2/a2
a2/a3
a3/a3