Answers
Answer: Mitosis contains four phases: prophase, metaphase, anaphase, and telophase.
Explanation:
Related Questions
Which process BEST explains what happened to the red blood cells which swelled and burst and why?
А
Salt diffused into the red blood cells and the higher concentration of salt caused the red blood cells to burst.
B
Water diffused into the red blood cells by osmosis, and the higher concentration of water caused the red blood cells to burst.
Salt was taken into the red blood cells by passive transport, and the higher concentration of salt caused the red blood cells to burst.
D
Water was taken into the red blood cells by active transport, and the higher concentration of water caused the red blood cells to burst.
Answers
Answer:
B
Explanation:
Osmosis moves water by diffusing, if someone drinks too much water it might make them feel sick or be sick, this is the brains response to an overdose of water because the brain is aware that a red blood cell might swell and burst
Both plant and animal cells need to produce energy for cellular functions. In both types of cell, this function is carried out by which organelle?
Answers
in both plant and animal cells, the mitochondria is responsible for producing energy for cellular functions.
HELP!!!!
Which of the following statements about scientific inquiry is true?
A.
The best way to answer a scientific question is to conduct a controlled experiment.
B.
All scientific questions should be investigated using the same procedures and techniques.
C.
Scientific questions can be answered using different kinds of investigations.
D.
New scientific questions cannot be answered using old or existing data.
Answers
Answer:
C
Explanation:
As far as I am concerned I guess answer c is correct one.
Why does an eclipse happen? The Sun burns out quickly and reignites due to changes in magnetic energy. b A celestial object moves into the shadow made by another celestial object. c Stars twinkle which creates a delay in light transfer. d The planets Mars and Venus interfere with Earth's orbit. NEED HELP
Answers
An eclipse occurs when celestial object moves into the shadow made by another celestial object. Option A
What is an eclipse?The term eclipse refers to a situation in which in which one celestial body casts a shadow on another celestial body. In this case, we could have the earth cast its shadow on the earth or the sun as the case may be.
The kinds of eclipse that could occur are;
Eclipse of the sunEclipse of the moonThis brings us to conclude that; an eclipse occurs when celestial object moves into the shadow made by another celestial object. Option A
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what is the rarest ecosystem
Answers
Answer:
In Great Lakes Alvars , Oregon wet prairies, or California vernal pools.
Explanation:
Hope this helps :)
In the third week of development of a human embryo, cells begin to develop unique structures and functions, such as muscle cells, nerve cells, and blood cells.
Which statement best explains how different cell structures can develop from the same cells?
-----------------------------------------------------------------------------------------------------------------------------
Development and differentiation result in the loss of some genes.
The embryo's cells create new genes depending on which structure it needs to form.
The cells have different genes depending on the embryo's stage of development.
The embryo's cells express different genes at different times for each structure.
Answers
Answer:
here u go
Explanation:
The embryo's cells express different genes at different times for each structure.
PLEASE HELP!!!!!!!!!!!!!!!!!! Dr. Budai is determined to find the best solution to help the hotel, the new species, the butterflies, and the flowering plants coexist in the same location. She is hoping to accomplish this goal by genetically modifying one of the three organisms: the new species, the butterfly, or the flowering plant.
Now that you have explored modifying a trait for one of the species in the previous activity, answer the following questions.
question 1.What was the species and trait you investigated?
question 2.Why do you think the modification you explored would best help the organisms and hotel coexist? Explain your reasoning.
question 3. Dr. Budai is hoping you can help design a different modification from the one you already explored. What modification would you suggest? Do you think it would be more or less beneficial than the modification you discussed in Question 2? Explain your reasoning.
Answers
The answers include the following:
The species and trait you investigated was the the flowering plant and the trait was the bright colored flowers. The modification I explored would best help the organisms and hotel coexist such that it will ensure that the hotel is beautified and the organism will be be attracted to the pollen grains as food.The modification I would suggest is for more nectar to be present and it would be more beneficial due to more pollination occurring.What is Pollination?This is referred to as the transfer of pollen from an anther of a plant to the stigma of a plant, later enabling fertilization and the production of seeds.
The modification would best help the organisms and hotel coexist such that it will ensure that the hotel is beautified and provide it with an aesthetic feeling by the visitors.
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When you use toothpaste, part of a protist is helping to smooth and clean your teeth. Which part of
protist are most likely responsible for this benefit to humans?
• cell walls; plant-like
flagellum; plant-like
spores; fungus-like
cilia; animal-like
Answers
Answer:
cell wall plant like
Explanation: they are actually bits of diatoms which are housed in cell walls of glass
diatoms are part of dynamite too so think about that when you are brushing your teeth next time ;)
As a result of an action potential, AcH is released from the axon terminal and attaches to receptors on the motor end plate. Sodium rushes in the T-tubules and all the steps occur until the muscle contracts in the leg and carry out the command transported by the motor neuron. Which gray horn is the cell body of the motor neuron located? Infer and explain if this is a positive or negative feedback
Answers
1) The cell body of the motor neuron is located in the ventral or anterior horn of the grey matter. From there, it extends to the motor unit. 2) Contraction refers to negative feedback in which the body reacts when facing a stimulus.
What is the anatomy of the spinal cord?The spinal cord is mainly composed of grey matter and white matter. The second one covers the first one.
The grey matter transversal section is composed of posterior, lateral, and anterior horns, also known as dorsal, lateral, and ventral horns, respectively.
Each type of horn contains a type of neuron.
In the posterior/dorsal horns, we can find sensory neurons that provide sensory information.In the thoracic area, we can find lateral horns with visceral motor neurons.
In the anterior/ventral horns, we can find motor neurons that extend to the skeletal muscle, which is the motor unit, to produce movement.
The motor neuron from the exposed example is located in the anterior or ventral gray horn.
This example refers to negative feedback because the neurotransmitter release causes a cascade effect that ends in muscle contraction, tending to suppress or counter the original stimuli.
Any change that might occur in the internal functioning will be countered by negative feedback to maintain homeostasis.
Negative feedback needs receptors, central control, and effectors.
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If the frequency of the black allele %B allele for the moth coloration gene in the newly founded island population of moths in your genetic drift lab simulation was 78% what was the frequency of the white allele %b allele in the same population at the same time? A. 19.5% B. 22% C. 39% D. 78% or E. Impossible to determine
Answers
Answer:A
Explanation:
Under genetic drift effects, the allelic and genotypic frequencies of a population change through generations. In the exposed example, the frequency of the white allele in the same population at the same time is f(b) = 22%.
-------------------------
Available data:
Frequency of the dominant allele, B = 78% = 0.78 Frequency of the recessive allele, b = ??Genetic drift lab simulation ⇒ Founder effectWe need to find out the frequency of the recessive allele is this new population. But before answering the question, let us review what the genetic drift is.
Genetic drift is an evolutionary mechanism. Genetic drift is the random change that occurs in the allelic frequency of a population through generations. The magnitude of this change is inversely related to the size of the original population. Its effects are harder in a small-sized population. These changes produced by genetic drift accumulate in time. Eventually, some alleles get lost, while some others might set. Genetic drift affects a population and reduces its size dramatically due to a disaster or pressure -bottleneck effect- or because of a population split -founder effect-.When the small population increases in size, it will have a genetically different composition from the original one. Genetic variability is reduced, and there exists the possibility of developing a peculiar allelic composition.
According to this information, we know that allelic frequencies vary from generation to generation. So probably, if we need to calculate allelic and genotypic frequencies in the next generation, they will be different from the frequencies in this generation.
However, in this problem, we need to determine the frequency of the recessive allele at the same time, meaning in the present generation.
Since they are frequencies, their addition must equal one. So all we need to do is to clear the following equation,
p + q = 1
being
p the dominant allele frequency, f(B) = 0.78q the recessive allele frequency, f(b) = ??0.78 + q = 1
q = 1 - 0.78
q = 0.22 = 22%
The frequency of the white allele in the same population at the same time is f(b) = 22%.
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1) In some species very few eggs are
produced by the females. Which
reproductive pattern is most
characteristic of these species?
Answers
In the case of species where very few eggs are produced by the females the reproductive pattern that is most characteristic of these species is Internal fertilization followed by internal embryonic development.
What is the process of internal fertilization followed by internal embryonic development?Internal fertilization and internal embryonic development make reference to a type of sexual reproduction involving fertilization within the body of the female,
Therefore, with this data, we can see that internal fertilization and internal embryonic development are crucial reproductive phenomena which are used by different species in order to generate offspring.
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which property has not been observed for membrane proteins being degraded for energy during biological pathways
Answers
Answer:
energy storage
Explanation:
Membrane proteins are proteins that are either form part of or interact with cell membranes. Based on their interactions, membrane proteins can be categorized into integral proteins, which are a permanent part of a cell membrane, and peripheral proteins, which adhere temporarily to the cell membrane. Membrane proteins play many critical functions, for example, 1-they are involved in the passive and active transport of substances across cell membranes, 2-act as enzymes that catalyze chemical reactions, 3-act as receptors that bind specific molecules (such as hormones or neurotransmitters) in order to activate signaling cascades, 4-mediate communication between cells, 5-provide a mechanical link between the extracellular matrix and the cytoskeleton, etc.
The body of a woman is found buried in a field although much of the body has decomposed her clothes are mostly intact she appears to have died of Suffocation but has no other visible injuries however there are blood stains on both her shirt and pants based on the location and description please suspect this is the body of the woman who went missing about 15 years ago what rational might have forensic scientists have been choosing whether it's worth it to analyze blood signs to see if they match suspect?
A. The blood would no longer produce DNA
B. the dried blood can still produce nuclear DNA after 20 years
C.there is probably not enough blood to get a good sample
D. the blood stains probably belong to the victim
Answers
B. the dried blood can still produce nuclear DNA after 20 years. Option B is more correct. Nuclear DNA can be extracted from decades-old dried bloodstains, although the quality and quantity may be lower than new samples.
Option A is inaccurate. Depending on storage and other variables, dried bloodstains from several decades ago can provide useable DNA.
Option C, - forensic experts may also consider. It may not be worth the time and money to examine minor bloodstains or degraded DNA.
Based on the facts supplied, option D, seems unlikely. The bloodstains may belong to the victim or another criminal.
In conclusion, forensic experts would likely examine the bloodstains' age, condition, and amount when choosing whether to analyse them for a suspect match. They may also assess the cost, time, and investigation value of the analysis.
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A biologist collected 208 fern and moss samples. There were 76 more moss than fern samples. How many fern samples did the biologist collect?
OA. 109 fern samples
OB. 142 fern samples
OC. 132 fern samples
OD. 66 fern samples
Answers
There is 132 fern
Based on your knowledge of the genetic tools for studying baker's yeast, how would you clone the genes that are mutated in your respective yeast strains?
Answers
Answer:
By using specific primers for PCR amplification and DNA sequencing
Explanation:
In molecular biology, different techniques are used to clone the full sequence of desired genes. In general, gene cloning is based on the assembly of genetically engineered recombinant DNA cloning vectors into host organisms. The cloning procedure generally consists of isolating target DNA sequences to be cloned, ligation into a corresponding vector, transfection and screening of clones. The recombinant DNA is first amplified by PCR. Subsequently, DNA is sequenced and finally assembled by bioinformatic methods in order to characterize the full sequence of the gene.
Describe the steps of the signal transduction pathway for the cancer cells of the following FRQ.
Answers
Answer: Signal transduction pathways play key roles in the initiation, progression, and dissemination of cancer. Thus, signaling molecules are attractive targets for cancer therapeutics and enormous efforts have gone into the development of small molecule inhibitors of these pathways
Explanation:
What is mass?
how much gravity pulls an object
how often an object rotates
how much energy an object needs
Ohow much matter makes up an object
Answers
Answer:
Mass is the amount of matter in a substance measured in kilograms
Answer:
how much matter makes up an object
Explanation:
answer the following in a case study my mother used to struggle going up a flight of stairs and seven from terrible migraines but then she started using orbital life she has so much energy in her headaches are gone this argument is
Answers
Case Study: The Effectiveness of Orbital Life in Improving Energy Levels and Relieving Migraines
Introduction:
This case study focuses on the experience of my mother, who used to struggle with climbing stairs and suffer from severe migraines. Her condition improved significantly after using a product called Orbital Life, resulting in increased energy levels and the elimination of headaches.
Background:
My mother's previous difficulties in climbing stairs and her frequent migraines had a negative impact on her daily life and well-being. Seeking a solution, she decided to try Orbital Life, a product known for its energy-enhancing properties and migraine relief.
Method:
My mother incorporated Orbital Life into her daily routine as directed.
Results:
After a period of regular use, my mother experienced remarkable improvements. She reported having significantly higher energy levels, enabling her to climb stairs effortlessly. Furthermore, her migraines were noticeably reduced in both intensity and frequency, providing her with relief and improved quality of life.
Conclusion:
It can be concluded that Orbital Life has proven effective in enhancing energy levels and alleviating migraines. However, it is important to note that individual experiences may vary, and further research and consultation with healthcare professionals are recommended for personalized recommendations and treatment.
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How is the investigation of the Hudson River ecosystem an example of scientific inquiry?
Scientists study the natural world through scientific inquiry. This involves:
• Asking questions
• Developing and using models
• Planning and carrying out investigations
• Analyzing and interpreting data
• Using mathematics and computer technology
• Constructing explanations
• Engaging in argument from evidence
• Obtaining, evaluating, and communicating information
Answers
Answer:
The investigation of the Hudson River is an example of scientific inquiry because it develops testable questions such as this; How might a zebra mussel invasion affect the Hudson River ecosystem?
All the other elements of scientific inquiry were applied.
Explanation:
Developing and using models: Scientists developed ways to check for changes in the river using the data available to them.
• Planning and carrying out investigations: Several scientific institutes have planned and carried out investigations to determine reasons for the return of the Zebra mussels.
• Analyzing and interpreting data: Graphs are plotted to evaluate to draw a relationship between the zooplankton and the Zebra mussels.
• Using mathematics and computer technology : Mathematical measurements were done to analyze the sizes of the Zebra mussels.
• Constructing explanations : Explanations were proposed as to why the Zebra mussels were not eating up them. It made sense to them that more Zebra mussels would result in more Zooplanktons
• Engaging in argument from evidence : They could argue from the evidence that blue cobras were eating up the Zebra mussels
• Obtaining, evaluating, and communicating information: After scientists have obtained their information, they endeavor to communicate them by publishing them in scientific papers and journals.
Describe why trasnsitioning to a hydrogen economy has advantages.
PLEASE HELLPPPPP
Answers
Answer:
the benefit of using hydrogen combustion over fossil fuel combustion is that it releases fewer emissions-water is the only major byproduct. No carbon dioxide is emitted, and nitrogen oxides, produced by a reaction with the nitrogen in the air, can be significantly lower than with the combustion of fossil fuels.
Explanation:
shown above
List 3 different statistics related to biodiversity that you find here.
Answers
Answer:
habitat. biome. population.
Explanation:
Why do we not fine too many meteorites on the surface of the earth
Answers
Answer:
Explanation:
The reason why we do not find any meteorites on the surface of the earth is because the meteorites burn up in the atmosphere of the earth before the come down so we can find them in the ocean or in space.
Answer and Explanation:
Many of the meteors burn up in the atmosphere before they can even turn into meteorites.
#teamtrees #PAW (Plant And Water)
What qualities encompasses an excellent office manager?
Answers
What did William James preach
Answers
Answer:James' two main schools of thought: pragmatism and functionalism shape his theories on the world and his mission to seek out both the practical value and function of behaviors. According to pragmatism, the truth of an idea can never be proven.Aug 7, 2020
Works written: The Principles of Psychology
Professions: philosopher, author, psychologist
Colleagues: Charles Sanders Peirce
Forested floodplain wetlands benefit from periodic flooding from rivers. When floodwaters spill into the wetland, they bring water and nutrients and leave both behind. But humans have often cut off floodplains from rivers by building roads, levees, berms, etc. Think about what would happen if a river could no longer flood into these areas. How would the resulting increased amount of water and nutrients in the river affect soils, hydrology, and life downstream?
Answers
The absence of flooding from rivers into forested floodplain wetlands would lead to adverse effects on soils, hydrology, and the overall biodiversity downstream, emphasizing the importance of maintaining the natural connection between rivers and floodplains for the health and functioning of these ecosystems.
If a river can no longer flood into forested floodplain wetlands due to human interventions, it would have significant consequences for the downstream areas in terms of soils, hydrology, and life.Without periodic flooding, the increased amount of water and nutrients in the river would not be able to disperse and be deposited in the floodplain wetlands. As a result, downstream soils would experience a decrease in nutrient inputs, leading to decreased fertility and altered composition. The absence of regular flooding would disrupt the natural hydrological cycle, reducing the recharge of groundwater and altering the flow patterns in the river system. This could result in decreased water availability, increased erosion, and changes in the overall ecosystem dynamics downstream.The disruption of nutrient flows and hydrological patterns would also have a significant impact on the life forms downstream. Aquatic plants, fish, and other organisms that depend on floodplain wetlands for breeding, feeding, and shelter would face habitat loss and reduced food availability. This, in turn, could disrupt the food chain and impact the abundance and diversity of aquatic and terrestrial species in the downstream areas.The absence of flooding from rivers into forested floodplain wetlands would lead to adverse effects on soils, hydrology, and the overall biodiversity downstream, emphasizing the importance of maintaining the natural connection between rivers and floodplains for the health and functioning of these ecosystems.For more such questions on flooding
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The process through which humans breed other animals and plants for particular traits:
A) artificial selection
B) genetic engineering
C) genes
D) selective breeding
E) traits
Answers
Answer:
A) artificial selection
Organic compounds are all at least partially composed of the element ________________.
Organic compounds are all at least partially composed of the element ________________.
carbon
sodium
hydrogen
nitrogen
magnesium
Answers
Answer:
Carbon
Explanation:
Carbon is considered as the key element in organic compounds.
What is invasive spices and is it dangerous?
Answers
Answer:
potential to cause harm to the environment, the economy, or to human health.
Explanation:
so yes it is dangerous
3. Your family is planning a picnic for the weekend. Would you want predictions of weather
or climate? Explain your answer.
Answers
When contrasting the neuroimaging scans of the brains of normal people and those with schizophrenia, it has been found that people with schizophrenia had enlarged brain ventricles developmental cascade hypothesis loosening of associations increased assertive communication
Answers
I apologize for the confusion, but there seems to be a mix of different concepts and statements in your sentence. Neuroimaging studies have indeed revealed differences in brain structure and activity between individuals with schizophrenia and those without the disorder, but the specific factors you mentioned are not all directly related to these differences. Let's break down each concept separately:
1. Enlarged brain ventricles: It is true that some studies have found that people with schizophrenia may have enlarged brain ventricles. Ventricles are fluid-filled spaces in the brain, and their enlargement can be an indication of reduced brain volume in certain regions.
2. Developmental cascade hypothesis: The developmental cascade hypothesis is a theoretical framework that suggests that early disruptions in brain development and functioning may lead to cascading effects that contribute to the development of schizophrenia later in life. It proposes that abnormalities in brain circuits and networks can impact various cognitive, emotional, and behavioral processes.
3. Loosening of associations: Loosening of associations refers to a symptom of schizophrenia characterized by disorganized thinking and difficulty maintaining logical and coherent connections between thoughts and ideas. It can manifest as speech that jumps from one topic to another without clear connections.
4. Increased assertive communication: While assertive communication is a general communication style characterized by expressing one's needs, opinions, and feelings in a respectful and direct manner, it is not directly associated with schizophrenia. Communication difficulties, such as disorganized speech or decreased verbal fluency, are more commonly observed in individuals with schizophrenia.
It's important to note that understanding schizophrenia and its underlying neural mechanisms is a complex and ongoing area of research. Neuroimaging studies have contributed valuable insights into the brain differences associated with schizophrenia, but the disorder involves multiple factors and is not solely characterized by any single abnormality or symptom.