Answer:
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Explanation:
Which example is correctly matched with its type of friction?
A. A plane flying through the air is an example of static friction.
B. Pushing a car that isn't moving is an example of sliding friction.
C. A sled sliding down a grassy hill is an example of fluid friction.
D. A skateboard's wheels moving on cement is an example of rolling friction.
Answer:
D should be correct
Which of the following would MOST likely result in an abnormal chromosome number?I chose the answer “Failure of homologous chromosomes to separate during meiosis” though, I’m not sure this is correct.The options are:A. Failure of homologous chromosomes to separate during meiosis.B. Mutations occurring during the blastula stage.C. DNA exposed to radiation after the birth of the organism.D. The duration of DNA during translation.
The MOST likely to result in an abnormal chromosome number is option A, Failure of homologous chromosomes to separate during meiosis, what is known as nondisjunction.
Which one of the following will be true of Miami in the future if climate change is not addressed?
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
Exposure to UV radiation will make it uninhabitable.
Extreme snow and cold events will become common.
Miami will be an inland city rather than a coastal city.
Much of Miami will be under water at some point
Scientists have developed methods to insert the human gene for insulin into bacteria.
Why are bacteria a good target for this use of biotechnology to produce insulin?
A. Bacteria require insulin to survive, so the gene is more likely to be successful.
B. Bacteria are able to withstand a wide variety of conditions while producing insulin.
C. Bacteria reproduce quickly and pass on their genes to rapidly produce insulin.
D. Insulin-producing bacteria can be introduced into diabetics to deliver insulin.
Answer:
C)Bacteria reproduce quickly and pass on their genes to rapidly produce insulin.
Explanation:
This capacity for rapid reproduction enables the production of large quantities of genetically modified bacteria that can be used to mass-produce insulin for medical use. The other answer choices are not valid explanations for why bacteria are a good target for this application of biotechnology.
. What is the name of the substance that is collected by this system ?
1)Recycled immunity
2)Lymph
3)Trash
4)Blood
Answer: 2) lymph
Explanation:
Four equal strips A B C and D were cut from a potato whose cell sap concentration was 28.5%sugar. The strips were placed in sugar solutions of different concentrations as follows;A-10%,B-15%,C-25%,D-35%. 1.What changes would you expect in strips A and D? 2.Account for the changes in A and D.
Answer: The concentration of sugar in solution D is 35%. Solution D is a hypertonic solution as the solute concentration is more than the potato cell concentration. Therefore, water will move into the cell to equalize the osmotic pressure gradient between the cell and the solution. Hence, strip D will swell.
Explanation:
Suppose Maria wants to breed parakeets that are yellow with patterned feathers. However, when she bred several parakeets that were yellow with patterned feathers, she found that there were four different offspring phenotypes.
Phenotype Number
patterned yellow wings 18
solid yellow wings 6
patterned white wings 6
solid white wings 2
Number of genes and alleles?
2 genes; 2 alleles each
1 gene; 4 alleles
4 genes; 1 allele each
Which phenotypes are coded for by the same gene? Different genes are separated by semicolons?
yellow and white; patterned feathers and solid
yellow and patterned feathers; white and solid
all by the same gene
each by a separate gene
Answer:
Explanation:
First let's define a few things.
An allele is a variant form of a gene, each gene can have two or more possible alleles, one inherited from each parent. The copies, however, are not necessarily the same. When the copies of a gene differ from each other, they are known as alleles. A given gene may have multiple different alleles, though only two alleles are present at the gene’s locus in any individual. Alleles can sometimes result in different phenotypes (observable traits), with certain alleles being dominant. (overriding the traits of other alleles)
Let's make a table of our bird's alleles.
We can see from the phenotype of her bird's offspring, yellow is dominant over white, and patterned is dominant over solid.
Let's use Y for dominant yellow, w for recessive white, P for dominant pattern, and s for recessive solid. I know dominant and recessive traits usualy use the same letter with recessive traits being lower case, but in this case it makes it easier to determine phenotype.
Our parent birds are dihybrid cross which involves 2 genes coding two traits, with dominant yellow pattern both represented by PPssYYww.
So look at the chart. It has then been color coded by the traits the bird will exhibit. We have:
9 birds with Patterned Yellow Wings
3 birds with Solid Yellow Wings
3 birds with Patterned White Wings
1 bird with Solid White Wings
This is the same ratio Maria found in the phenotypes of her birds.
Now we can answer the questions:
Number of genes and alleles? We can see that there are 2 genes, one gene for pattern, and one gene for color, but there are also 2 alleles the variant of the Pattern and the variant of the color.
Which phenotypes are coded for by the same gene?
yellow and white; patterned feathers and solid - This one as you can see from the phenotype chart, and as discussed earlier, there are 2 genes, one for color, the other for pattern.
yellow and patterned feathers; white and solid
all by the same gene
each by a separate gene
difference between alleles and genes
Answer:
i dont really know it is what it is
Explanation:
gl
Answer:
[See Below]
Explanation:
A gene in DNA that codes for a trait or a characteristic.
Different versions of that gene are called alleles.
For example, a gene in DNA codes for a person's eye color, but the alleles depend on how they appear.
Brown and blue eyes would be alleles for a gene that codes for eye color.
Hope this helps.
Which of the following type of forest is likely to have the most nutrient-rich soil?
Responses...
A. tropical rain forest
B. coniferous forest
C. tropical dry forest
D. deciduous forest
Answer
ATropical rain ️ forestAnswer: The correct answer is D. deciduous forest
Explanation: This answer has been confirmed correct.
The temperate deciduous forests have the most nutrient-rich soil.
The only Purple Animal is the South African____?
Answer:
Okapi
Mark Brainliest
okapi...
hopr helps uh
..yhnk my ansr
Tests: Watch the following video https://youtu.be/f6c2cZfOULI Start at 3:20.
What are the independent and dependent variables in this experiment?
Independent:
Dependent:
What is the control and the constants to ensure test validity in this experiment?
According to the information, we can infer that the Independent variable: Temperature (specifically, the range of temperature). On the other hand, Dependent variable: Distribution of pikas. Additionally, Control: Pikas within their tolerance range of temperature and Constants: Other environmental factors, habitat conditions, and population of pikas.
What are the independent and dependent variables in this experiment?In this experiment, the independent variable is the temperature, specifically the range of temperature. The researcher will manipulate and observe how different temperature ranges affect the distribution of pikas.
The dependent variable is the distribution of pikas. It refers to the geographical or spatial range in which pikas are found. The researcher will measure and analyze how the distribution of pikas changes in response to different temperature ranges.
What is control and the constants to ensure test validity in this experiment?To ensure test validity, a control group of pikas within their tolerance range of temperature needs to be included. This group will experience temperatures within the range they can tolerate, providing a baseline for comparison. By comparing the distribution of pikas in different temperature ranges to the control group, the researcher can determine the impact of temperature on their distribution.
To maintain validity, other environmental factors such as altitude, precipitation, vegetation, and habitat conditions should be kept constant across the experimental groups. Additionally, the population of pikas being studied should be consistent, without any significant changes in population size or genetic composition throughout the experiment. These constants help isolate the effect of temperature on pika distribution and minimize confounding variables.
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What effective control measures would you recommend to these farmers against nematode parasites?
Answer:
Nematode parasites can cause significant damage to crops and reduce yield, so it is important for farmers to take effective control measures. Here are some recommendations that farmers can consider:
1. Crop rotation: Farmers can rotate their crops with non-host plants to break the nematode life cycle. This helps to reduce the population of nematodes and prevent them from building up in the soil.
2. Soil solarization: This involves covering the soil with a clear plastic sheet during the hot summer months to increase the temperature of the soil and kill nematodes.
3. Biocontrol agents: Certain predatory microorganisms and beneficial nematodes can be effective in controlling plant parasitic nematodes. These biocontrol agents can be applied to the soil to help suppress nematode populations.
4. Nematicides: Chemical nematicides can be used to kill nematodes, but they should be used judiciously as they can have negative environmental impacts and may harm other organisms in the soil.
5. Sanitation: Farmers should practice good sanitation practices such as removing infected plant debris and cleaning tools and equipment to prevent the spread of nematodes.
6. Resistant varieties: Planting resistant crop varieties can help reduce the damage caused by nematodes.
7. Soil improvement: Maintaining soil health through practices such as adding organic matter can improve soil structure, fertility, and water-holding capacity, making it less hospitable to nematodes.
By implementing these control measures, farmers can effectively manage nematode infestations and protect their crops from damage.
Answer:
Explanation:
ome effective control measures against nematode parasites, such as crop rotation, use of resistant crop varieties, biological control methods, soil solarization, and chemical control using nematicides. Here are some links for further reading:
Brainliest pls
what are the components of the neural tissue
Answer:
Nervous tissue contains two categories of cells — neurons and neuroglia. Neurons are highly specialized nerve cells that generate and conduct nerve impulses. Neuroglia are supporting cells that provide physical sport, remove debris, and provide electrical insulation.
Hope this helps!!!!
Have a gud day!!!!! :)
list 5 importance of creation
Answer:
Creation reveals God and God's nature, character and purposes. Because creation is a means of God's revelation and because of its inherent value and goodness being created by God, we care for creation.
Answer:
Five importance of creation
1.God is the creator
2.God existed before he created the world
3.the world was well planned and is sustained by god
4.god blessed creation, which means that all creation is holy
5.On the seventh day, God rested
A. What type of aquatic biome is represented by the diagram? How do you know? Whatis salinity? What is the salinity of the water in this type of biome? (5 points)
The aquatic biome represented in the diagram is a sea biome since we can find shark species, but also other fishes, that can be related to this kind of biome, and adapted to a specific degree of salinity, which is the measure of how salty is a media like oceanic water, being approximately 35 grames per liter.
What is the primary function of enzymes?
A. They keep the pH of the body within acceptable levels.
B. They make essential biochemical reactions possible or speed them up.
C. They enable the body to use energy to produce food.
D. They give cells the energy they need to carry out life functions.
Answer:
A because they help the ph of body
I NEEDDD HELP LIKE RIGHT NOW ITS SIMPLE
What is the best description of originality?
nonobvious
special or interesting
convergent
having a low probability, unique
The best description of originality is having a low probability, unique, option D is correct.
Originality refers to the quality of being novel and distinctive, and it implies that something is not derived from anything else. The more unique and uncommon an idea, creation, or expression is, the more original it is deemed to be. Originality can be measured by the probability of its occurrence.
The lower the probability of an idea or creation being generated, the more original it is. A highly original idea is not only new but also unexpected and unconventional, which makes it stand out from the norm. Originality is highly valued in fields such as art, literature, science, and technology, as it contributes to the advancement of knowledge and understanding, option D is correct.
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The correct question is:
What is the best description of originality?
A) nonobvious
B) special or interesting
C) convergent
D) having a low probability, unique
What do you think Niagara waterfall and all other waterfalls have in common?
Just about every type of waterfall usually has cascades shortly upstream or downstream from it.
What are the advantages of waterfalls?A waterfall is a point in a river or stream where water flows over a vertical drop or a series of steep drops. Waterfalls also occur where meltwater drops over the edge of a tabular iceberg or ice shelf.
The advantages of waterfall development are that it allows for departmentalization and control. A schedule can be set with deadlines for each stage of development and a product can proceed through the development process model phases one by one.
So without waterfalls and their purification of water, we would have no fish to eat, and other animals that live in water would die which would affect the Eco system. Waterfalls also help in turning waste that runs in the water into nutrients which help plants to grow.
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What is the velocity of a car traveling north, 100 meters in 25 seconds? Explain how you got that answer
Answer:
4 meters/second (4 m/s)
Explanation:
velocity=distance/time
distance= 100 meters
time= 25 seconds
v=100m/25sec = 4 meters/second (4 m/s)
Joshua has invented a special greenhouse. By turning a special dial in his new greenhouse, Joshua can choose which type of sunlight can enter the greenhouse. When only ultraviolet light is allowed to enter the greenhouse, what will happen while Joshua is standing inside the greenhouse?
A. Joshua can see objects inside the green house.
B. Joshua can see objects outside the greenhouse.
C. As time passes, Joshua begins to sunburn.
D. As time passes, it becomes warmer inside the greenhouse than it is outside.
Answer:
As time passes, it becomes warmer inside the greenhouse than it is outside.
Explanation:
Hope this helps! Caca.
What is the allele that determines the phenotype with respect to a particular gene?
A. Dominant allele
B. Recessive allele
C. Deleterious allele
D. Dominant trait
The allele that determines the phenotype with respect to a particular gene is the option A. dominant allele.
In genetics, alleles are alternate forms of a gene that occupy the same position (locus) on a chromosome. Each individual inherits two alleles for each gene, one from each parent. The interaction between these alleles determines the expression of the gene and ultimately the phenotype, which refers to the observable characteristics or traits of an organism.
A dominant allele is one that exerts its effect even if there is only one copy present in the individual's genotype. It masks the effect of the recessive allele, which is only expressed when two copies of the recessive allele are present.
When an individual possesses a dominant allele for a particular gene, it determines the phenotype associated with that gene. This means that the trait associated with the dominant allele will be expressed, regardless of whether the other allele in the pair is dominant or recessive. Therefore, the correct answer is option A.
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Which diagram correctly shows how h-zygous alleles are found on h-logous chromosomes?
Answer: I'm pretty sure it's the third one
Explanation:
Answer:
C
Explanation:
Took the quiz about Chromosomes on Edge
PLEASE HELP
why is it important to have data that is collected at similar times?
Answer:
1. DATA EMPOWERS YOU TO MAKE INFORMED DECISIONS
2. DATA HELPS YOU IDENTIFY PROBLEMS
3. DATA ALLOWS YOU TO DEVELOP ACCURATE THEORIES
4. DATA WILL BACK UP YOUR ARGUMENTS
5. DATA MAKES YOUR APPROACH STRATEGIC
6. DATA HELPS YOU GET YOUR HANDS-ON FUNDING
7. DATA TELLS YOU WHAT YOU’RE DOING WELL
8. DATA SAVES YOU TIME
9. DATA INCREASES YOUR RETURN ON ASSETS
10. DATA IMPROVES QUALITY OF LIFE
Explanation:
1. DATA EMPOWERS YOU TO MAKE INFORMED DECISIONS
- Never lose sight of the fact that data equals knowledge. The more data you have at your disposal, the better position you’ll be in to make good decisions and take advantage of new opportunities. Good data will also give you the justification and evidence you need to back up these decisions so that you can feel confident explaining your reasoning going forward. Without solid data, you’re much more likely to make mistakes and reach incorrect conclusions.
2. DATA HELPS YOU IDENTIFY PROBLEMS
- The fact of the matter is that every organization has problems and inefficiencies. Due to the ever-changing nature of the business climate and society as a whole, it is nearly impossible to perfect how an organization is run. That being said, access to good data will ensure that you’re able to identify significant problems early on and take action to solve them
3. DATA ALLOWS YOU TO DEVELOP ACCURATE THEORIES
- Related to the way data helps you identify short term problems, it also provides the tools necessary to develop more accurate long-term theories. Data can be thought of as the building blocks necessary to build coherent models that allow you to visualize what is happening in different parts of your organization.
In order to truly implement effective solutions, you need to understand what is happening at different locations and in different departments. Data allows you to do this.
4. DATA WILL BACK UP YOUR ARGUMENTS
- Everyone seems to have an opinion about everything these days. Making real positive change happen within an organization can be challenging because it is unlikely that everyone will agree out of the gate. Luckily, if you have the backing of sound data on your side, you’ll be in a much better decision to push your ideas forward.
5. DATA MAKES YOUR APPROACH STRATEGIC
- Even feel like you’re just shooting in the dark? One importance of data collection is that it increases efficiency while helping to eliminate doubt. The most successful organization have both short-term and long-term strategies in place. Solid field data collection and analysis means that you’ll always to able to put your scarce resources where they are needed most. Understanding what area currently needs to be prioritized is essential in helping you grow and move forward.
6. DATA HELPS YOU GET YOUR HANDS-ON FUNDING
- Funding is increasingly a matter of proving achieved outcomes. Due to the fact that much of funding is data-driven, it is critical that organizations are able to establish evidence-based practices and develop coherent systems that collect and analyze data.
7. DATA TELLS YOU WHAT YOU’RE DOING WELL
-In addition to identifying problems and inefficiencies, data also gives you the power to see your strengths and to implement the same methods across your organization. Being able to identify your high-performers and understand what they’re doing differently will give you the tools you need to develop strategies and assist programs to areas that aren’t doing quite as well
8. DATA SAVES YOU TIME
-Having a smart data collection system in place will save you valuable time down the road. So many resources are wasted going back again and again to retrieve the same information. A smart system will gather and display data in a way that is easy to access and navigate, meaning everyone who is part of your organization will save time
9. DATA INCREASES YOUR RETURN ON ASSETS
- More and more studies are proving the crucial role that data plays in pushing ROA forward and making the most of what your organization already has at its disposal. You’re likely already sitting on potential extra revenue and simply need a smart data collection system in order to tap into it. There is plenty of evidence proving that collecting data such as maintenance schedule and monthly inspections will help you improve asset usability over time
10. DATA IMPROVES QUALITY OF LIFE
- Access to good data helps improve the quality of life both for those working in your organization and for the people you support. Once you understand the importance of data collection, you’ll be in a position to measure a situation accordingly. You can take appropriate action with fewer frustrations and complications at all levels of the process. Simply put, data improves overall quality
the graph below shows the change in the rabbit population over several months what is the most likely cause of the population change A: emigration of predators B: immigration of prey C: immigration of rabbits D: emigration of rabbits
Answer:
It should be C
Explanation:
I hope this helps
Which transition is most responsible for gaps in the fossil record?
O A. metamorphic rock to igneous rock
OB. igneous rock to metamorphic rock
O c. metamorphic rock to sedimentary rock
O D. sedimentary rock to metamorphic rock
Answer: I believe it would be metamorphic to sedimentary
you will be sending over
please elaborate what u mean
Nature overcomes some natural disasters such as when a flooded mangrove forest or a Burnt forest are reborn study the photos on the right and give examples of how an old ecosystem might be destroyed and make way for a different ecosystem
Which of the following rocks would form from lava following a volcanic eruption?
Answer:
Igneous rocks
Explanation:
Rocks that form from within the earth (like through a volcanic eruption, lava flow, magma intrusion, etc.) are known as igneous rocks.
What new knowledge was gained from Frederick Griffiths work with pneumococci bacteria
Answer:The new knowledge gained from Frederick Griffith's work with pneumococci bacteria is that bacteria contain a physical substance that can change the structure of other bacteria. Therefore, option 3 is the correct answer.
Explanation:
Which organelles would be present in cells of the salivary glands?
Answer:
ribosomes ,ER
Explanation:
production of enzymes
The ER, ribosomes, Golgi body, and many vesicles are present in the salivary gland.
What do you mean by organelle?
An organelle is a subcellular structure that, like an organ in the body, has one or more distinct duties to fulfill in the cell. The nuclei, which store genetic information, mitochondria, which provide chemical energy, and ribosomes, which assemble proteins, are among the most essential cell organelles.
In the salivary glands, cells that make an enzyme called amylase would be abundant, as would organelles. The ER, ribosomes, Golgi body, and many vesicles are all present. Protein synthesis is aided by these enzymes (making proteins).
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