Answers
Related Questions
hurry up plz The study of history is best related to which other area of study?
geology
geometry
architecture
political science
Answers
Answer:
Political Science
Is crick and Watson a type of genetic test
Answers
No, "Crick and Watson" is not a type of genetic test. Crick and Watson refer to James D. Watson and Francis Crick, who were scientists involved in the discovery of the structure of DNA. They proposed the double-helix structure of DNA in 1953, which provided the foundation for understanding genetic information and its role in heredity.
Genetic tests, on the other hand, are laboratory tests that analyze an individual's DNA or genes to provide information about their genetic makeup, potential genetic disorders, or predispositions to certain conditions.
These tests can be used for various purposes, such as diagnosing genetic disorders, predicting the risk of developing certain diseases, determining carrier status for genetic conditions, or providing ancestry and genealogical information.
While Crick and Watson made significant contributions to the field of genetics, they are not directly associated with genetic testing. Genetic tests are based on scientific advancements and technologies developed after their groundbreaking discovery of the DNA structure.
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Why does natural selection occur more when there is competition for resources?
Answers
Natural selection occurs more prominently when there is competition for resources because competition creates selective pressures that drive adaptations and favor certain traits over others.
In any given environment, resources necessary for survival and reproduction, such as food, water, and shelter, are limited. As a result, individuals within a population must compete with one another to obtain these resources.
Competition leads to differential survival and reproductive success among individuals.
Those individuals with advantageous traits or variations that enable them to more effectively acquire and utilize resources have a higher likelihood of survival and producing offspring.
These advantageous traits can be physical characteristics, physiological adaptations, or behavioral strategies that provide a competitive edge.
Through natural selection, individuals possessing beneficial traits are more likely to pass on their genes to the next generation, while individuals with less favorable traits are at a disadvantage.
Over time, this process results in the accumulation of beneficial traits within the population, enhancing their overall fitness and adaptation to the specific environment.
Therefore, competition for resources acts as a driving force for natural selection by selecting for traits that enhance an individual's ability to secure limited resources, survive, and reproduce successfully.
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If a promoter is found within a nucleosome, how would it be possible to express that gene if needed?
A. special proteins would open the promoter while located in a nucleosome
B. it would not be possible to express that gene
C. slide the nucleosome
D. RNA polymerase would start reading from the downstream side of the promoter
Answers
Answer:
A) special proteins would open the promoter while
Explanation:
A promoter is an area of DNA that can be bound to be proteins in order to initiate processes such as transcription. These sequences are usually a repetitive code.
---------I HOPE IT HELPS-----------
Which of the following
happens when a substance
melts?
A. A solid loses heat, and the motion of the
particles slows down.
B. A solid gains heat, and the motion of the
particles increases.
C. A gas loses heat, and changes from a gas
to a liquid.
Answers
Answer:
I think B but not 100% sure.
Explanation:
I hope this helps!!! :D
why do prevailing winds and positions of islands cause warm ocean currents to pass Christchurch in normal years
Answers
Prevailing winds and positions of islands cause warm ocean currents to pass Christchurch in normal years for the following reasons:
The prevailing winds in the region are generally from the southwest.The position of islands such as New Caledonia and Norfolk Island can also influence the movement of warm ocean currents in the region. In the case of Christchurch, there are a few reasons why warm ocean currents tend to pass by the region in normal years:Warm ocean currents are typically driven by prevailing winds, oceanic currents, and other factors such as the shape of coastlines and the positions of islands.
The prevailing winds in the region are generally from the southwest. These winds blow parallel to the coastline, which means that warm ocean currents are deflected away from the shore and towards the east. As a result, the waters off the coast of Christchurch are generally cooler than those further north or northeast. The position of islands such as New Caledonia and Norfolk Island can also influence the movement of warm ocean currents in the region. These islands help to direct the flow of warm water towards the Coral Sea and the Tasman Sea, rather than towards the coast of New Zealand. This means that Christchurch, which is located on the eastern coast of the South Island, is less likely to experience the effects of warm ocean currents.Note: That oceanic currents and winds can be affected by a range of factors, including El Niño and La Niña events, which can cause changes in sea surface temperatures and alter the path of ocean currents. As a result, there may be some years when warm ocean currents do reach Christchurch, even if this isn't typically the case in normal years.
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Macromolecules in the cell can often interact transiently as a result of noncovalent interactions. These weak interactions also produce stable, highly specific interactions between molecules. Which of the factors below is the most significant in determining whether the interaction will be transient or stable?
a) the size of each molecule
b) the number of chemical bonds between the molecules
c) the concentration of each molecule
d) rate of synthesis
Answers
Answer:
The correct answer is option b) "the number of chemical bonds between the molecules".
Explanation:
Chemical bonds are the forces that enable the formation of compounds. The number of chemical bonds is a determining factor to know if an interaction will be transient of stable. The more chemical bonds the more stable an interaction will be. Few chemical bonds between molecules makes an interaction unstable and easy to break, enabling transient interactions that are key to certain biological pathways.
In your own words, describe what is happening at each step in the image.
Answers
Answer:the sun is like getting pulverized???
Explanation:
Need help, asap! Will give away 40 Brainly points!
As one of the resource-rich people in the world, what would you think about a plan that would lower the standard of living for countries rich in resources to make resources last longer?
Answers
Answer:
solar panels
Explanation:
the role of you to make good society
Answers
By being a good human being, following moral values we can build a good society.
Economy is growing, GDP is flawed. Wars an Natural disasters are good for GDP. Aristotle in order to make good society, he said, the society must create the pre-conditions. For him the good society was the one that created the conditions for what he calls "Eudaimonia", which means flourishing or thriving.
First are the basic needs of humans that is Food, Shelter, Water and Secondly the amenities for building a successful and good lifestyle and better life.
Moreover, every individual should have freedom to speech, fundamental rights, an attitude of gratitude as well. A person should be a giver, a giver to needy ones, giver of happiness that is spreading happiness, rather than negativity.
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Which of the following best describes a consequence of using a renewable energy source?
Answers
Answer:
Solar power is expensive and requires a large amount of space.
Explanation:
Answer:
person above me was correct.
Explanation:
goodluck.
Chemicals that travel through the bloodstream and affect the
activities of other cells are called
Answers
Answer:
hormones.
Explanation:
why are there lines on the periodic table
Answers
Answer:
The zigzagging line (amphoteric line) on the right side of the periodic table is the dividing line between metals and non-metals and those on the zigzag lines are called metalloids.
[RevyBreeze]
The Zika virus infects and harms humans while the virus itself thrives.
Which of the following best describes the type of relationship that exists between the Zika virus and humans?
Zika Virus Transmission
Zika virus is transmitted to people primarily through the bite of an infected Aedes species mosquito (Ae. aegypti and Ae. albopictus). These are the same mosquitoes that spread dengue and chikungunya viruses. These mosquitoes typically lay eggs in and near standing water in things like buckets, bowls, animal dishes, flower pots and vases. They prefer to bite people, and live indoors and outdoors near people. Mosquitoes that spread chikungunya, dengue, and Zika bite during the day and night. Mosquitoes become infected when they feed on a person already infected with the virus. Infected mosquitoes can then spread the virus to other people through bites.
Answers
The relationship between the Zika virus and humans is parasitic, as the virus infects and harms humans while utilizing them as hosts for its replication and spread. The transmission of the virus through mosquitoes ensures its survival and persistence in the population, while humans experience the detrimental effects of the infection.
The relationship between the Zika virus and humans can be described as a parasitic relationship. The Zika virus infects and harms humans, causing a range of symptoms and health complications. It takes advantage of human hosts to replicate and spread, while humans suffer the detrimental effects of the infection.
The Zika virus is primarily transmitted to humans through the bite of infected Aedes species mosquitoes, particularly Aedes aegypti and Aedes albopictus. These mosquitoes act as vectors, carrying the virus and transmitting it to humans when they bite. The virus uses the mosquitoes as a means of transportation to reach new hosts.
Once inside the human body, the Zika virus can cause various symptoms, including fever, rash, joint pain, conjunctivitis, and muscle pain. In some cases, it can lead to more severe outcomes, such as Guillain-Barré syndrome and birth defects in babies born to infected mothers, including microcephaly.
The Zika virus benefits from infecting humans as it can reproduce and spread within the human population. The virus can multiply in various tissues and fluids, including the blood, saliva, and reproductive organs. When infected mosquitoes bite humans, they acquire the virus and continue the transmission cycle by infecting other individuals.
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Which kind of organism obtains energy directly from the sun?
A. decomposers
B. omnivores
C. herbivores
D. producers
Answers
Answer: D producer
Explanation: The answer has to do with trophic levels. As you probably know, the organisms at the base of the food chain are photosynthetic; plants on land and phytoplankton (algae) in the oceans. These organisms are called the producers, and they get their energy directly from sunlight and inorganic nutrients.
Answer:
Producers
Explanation:
The first trophic level in a food chain consists of producers. As the name says, they are able to take in sunlight and convert it into chemical energy. Hence can use the energy directly from the sun due to special pigments on their body. Examples: Green plants.
why RNA chain is always transcribed on 3' to 5' template strand ?
Answers
Explanation:
RNA growth is always in the 5′ → 3′ direction: in other words, nucleotides are always added at a 3′ growing tip, . Because of the ANTIPARALLEL nature of the nucleotide pairing, the fact that RNA is synthesized 5′ → 3′ means that the template strand must be oriented 3′ → 5′.
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Select the scenarios that describe an abiotic factor that is density independent. Select the TWO answers that are correct.
a. Fir trees grow in number, increasing the amount of food available for moose
b. Heavy and continuous rains flood the land, submerging habitats.
c. Lightning strikes a tree and begins a fire that clears the land.
d. Ticks infesting moose weaken the moose's health and reproductive success.
e. Frigid temperatures flow into the area, causing hypothermia and death.
Answers
Answer: Option B and C.
Heavy and continuous rains flood the land, submerging habitats.
c. Lightning strikes a tree and begins a fire that clears the land.
Explanation:
Heavy and continuous rains flood the land, submerging habitats.
Lightning strikes a tree and begins a fire that clears the land.
The above are example of density independent abiotic factors because rainfall and lightning affect the population size of the environment by decreasing it's population sizes.
Abiotic factors are the non living part of the environment and they include rain fail, temperature,lightning, humidity e.t.c.
Density independent abiotic factors are factors that decrease or increase the population size of the ecosystem.
Therefore, Heavy and continuous rains flood the land, submerging habitats.
cLightning strikes a tree and begins a fire that clears the land are density independent factor because they decrease the population size.
The scenarios that describe an abiotic factor that is density independent are ; ( B and C )
Heavy and continuous rains flood the land, submerging habitats ( B )Lightning strikes a tree and begins a fire that clears the land ( C )Abiotic factors are Nonliving components of an ecosystem that has a significant effect on the ecosystem such as ; Rain, rocks, Temperature and humidity. Density Independent factors are factors in an ecosystem that can cause the decrease or increase of the population size of an ecosystem.
Heavy and continuous rainfall is an abiotic factor that has the ability to decrease the population of an ecosystem by submerging organisms habitats.
Lightning striking a tree and setting it ablaze which clears the land also reduces the population of the ecosystem because the fire will lead to loss of habitats and death of some organisms .
Hence we can conclude that The scenarios that describe an abiotic factor that is density independent are Heavy and continuous rains flood the land, submerging habitats and Lightning strikes a tree and begins a fire that clears the land .
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HELP! NEED ASAP! 20 POINTS
Heart cells produce the protein cardiac myosin, which is critical in allowing for muscle contractions of the heart. Liver cells do not produce cardiac myosin.
Which statement explains this difference between heart cells and liver cells?
Heart and liver cells express different genes.
Heart cells rely on , R N A, , while liver cells rely on , D N A, .
Heart cells contain different genes from liver cells.
Liver cells destroyed the gene for myosin, but heart cells did not.
Answers
The most accurate statement that explains the difference between heart cells and liver cells in terms of their production of the protein cardiac myosin is "Heart and liver cells express different genes."
In multicellular organisms, different cell types have specific functions and characteristics that are determined by the genes they express. Genes are segments of DNA that contain the instructions for producing specific proteins. Each cell type expresses a unique set of genes that enable them to carry out their specialized functions.
In the case of heart cells and liver cells, they have different gene expression profiles. Heart cells specifically express the genes responsible for producing cardiac myosin, a protein essential for the contraction of the heart muscle. This allows the heart to effectively pump blood throughout the body.
On the other hand, liver cells do not express the genes for cardiac myosin production, as the liver has different functions unrelated to heart muscle contraction. The statement that heart cells contain different genes from liver cells is essentially expressing the same idea. Heart cells and liver cells have distinct gene expression patterns, leading to the production of different proteins and ultimately different cellular functions.
Both heart cells and liver cells utilize DNA as the genetic material that contains the genes responsible for protein production. RNA molecules are transcribed from DNA and play a crucial role in protein synthesis, but the distinction between heart and liver cells lies in the specific genes they express, not the reliance on different genetic materials.
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Which of the following distributes daughter chromosomes to daughter nuclei during the process of cell division?
Answers
Answer:
Mitosis
Explanation:
During mitosis, a eukaryotic cell undergoes a carefully coordinated nuclear division that results in the formation of two genetically identical daughter cells.
What can be done to help prevent erosion on a building site
Answers
Answer:
use of barriers like earth walls, soil nails, riprap, turbidity barriers, and concrete blocks
Answer:
the use of barriers like earth walls, soil nails, riprap, turbidity barriers, and concrete blocks
Explanation:
How are 2 different dogs breeds different from a species ?
Answers
Answer:
The fact human skip them apart is crucial here. this is a commonly defined as "groups of interpreting natural populations that are reproductively isolated from other such groups."
How is an air mass classifieds
Temperature and location or
temperture and humidty or Density and humidity Or density and location. Please explain
Answers
An air mass is primarily classified based on its temperature and humidity characteristics. The classification of air masses takes into account both temperature and humidity, as these two factors greatly influence the properties and behavior of the air mass.
Temperature: The temperature of an air mass is a key factor in its classification. Air masses are categorized as either warm or cold, depending on their temperature relative to the surrounding air.
Humidity: Humidity, which refers to the amount of moisture present in the air, is another crucial factor in classifying air masses. Air masses can be classified as either dry (low humidity) or moist (high humidity), depending on the moisture content they contain.
Location: The location of an air mass is considered in its classification to provide a geographical reference. For example, if an air mass originates in the polar regions, it may be referred to as a polar air mass.
Density: While temperature and humidity are the primary factors in air mass classification, density is indirectly related to these factors. Cold air is denser than warm air, so a cold air mass tends to be denser and has a greater tendency to sink and displace warmer, less dense air.
In summary, air masses are primarily classified based on temperature and humidity. However, factors such as location and density are considered to provide additional information about the air mass and its behavior within the atmosphere.
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Bunnies: Black fur is dominant to white fur. Use the letter “B” and “b” to answer the following questions.
6. Complete the punnet square to show the possible offspring of a true-breeding black rabbit and a true-breeding white rabbit. (true breeding parents are homozygous, know this for the test!)
7. What ratio would you see in the F1 genotypes?
8. What ratio would you see in the F1 phenotypes?
9. If you crossed two of these offspring, what would this generation be called?
10. Cross two offspring from the F1 generation. (Complete your Punnett square on scratch paper)
a. genotypes:
b. phenotypes:
Answers
Answer:
they are all 100% heterogenous ,,their genotype is Bb,, their prototype is black fur
Explanation:
look at my demonstration
A type of cellular transport is shown.
ATP
Which description best identifies this type of cellular transport?
Answers
Answer:
I would say A
Explanation:
I looked at my ap bio notes
In the pillbug experiment, how many pill bugs did you need
Answers
10 pillbugs were needed in the Pillbug experiment to get good information. Thus, option (c) is the correct answer.
Pillbugs are categorized as terrestrial isopods and are in the crustacea family. Pill bugs are simple to acquire, to maintain, odourless and easy to handle. They make the perfect experimental subject.
The Pillbug experiment by McGraw Hill aims to understand how pillbugs behave in both damp and dry settings. The study is conducted by watching their behavior, taking into account how often they circle and spin.
The purpose of the Pillbug experiment is to determine if pillbugs, often known as roly-polys, prefer light or darkness. They are cold-blooded, slow-moving organisms whose surroundings regulate their body temperatures.
The complete question is:
In the Pillbug experiment, how many Pillbugs did you need to use to get good information for the experiment?
A. 100
B. 1
C. 10
D. 4
E. 5
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ATP is a(1 point)
storable form of energy.
usable form of energy.
form of energy that can be used and stored.
form of energy that can be stored and released as heat.
Answers
Hello there!
Your answer should be ATP is a stored form of energy.
You see, Think of it as the “energy currency” of the cell. If a cell needs to spend energy to accomplish a task, the ATP molecule splits off one of its three phosphates, becoming ADP (Adenosine di-phosphate) + phosphate. The energy holding that phosphate molecule is now released and available to do work for the cell. Hope this works!
Answer:
a storable form of energy
Explanation:
The promoter is equivalent to?
a.
start codon
b.
Terminator Sequence
c.
Primer
d.
Primase
e.
3'-UTR
Answers
Answer:
D. Primer
Explanation:
I think it's primer but I'm honestly not sure
Which statement is true about DNA?
OA. It contains a small number of proteins.
OB. It makes proteins line up in a certain order.
C. It produces all the differences among living
D. It packages all the genes in a living thing.HeLP asap please
Answers
DNA is a polymer composed of several nucleotides. Genes are the inheritable subunits that carry genetic information and are composed of a varying number of nucleotides. D) It packages all the genes in a living thing.
What is DNA?
DNA is the deoxyribonucleic acid. It carries all the genetic information needed for the organism to accomplish its functions.
This polymer is composed of several monomers known as nucleotides, which joined by their extremes compose the DNA linear molecule.
Genes are DNA fragments that transmit the information needed to specify traits and are inheritable. These fragments are transmitted as units from generation to generation.
Genes are located in the DNA molecule and are composed of varying numbers of nucleotides.
During the cell cycle, when DNA is lax, it is called chromatin. But when cell division occurs and DNA condensates it forms the chromosomes.
DNA is intimately associated with two types of proteins:
histones, which are structural proteins, and non-histone proteins, which mediate different functions of DNA.According to this framework, Option D is correct. It packages all the genes in a living thing.
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Answer:
the awnser is D : it packages all the genes living thing
Explanation:
that outher awnser definetly wasnt helpfull . so i hope this helps:)
A gap in the geologic record that occurs when sedimentary rocks cover an eroded surface is called a(n)
*
1 point
Intrusion
Unconformity
Fault
Extrusion
Answers
A mother is feeding her infant a cultural dish that contains honey. How do you manage this situation in a culturally sensitive way while considering the safety of her infant?
Answers
The situation in which a mother is feeding her infant a cultural dish that contains honey has to be taken with great consideration. This is because it is a matter of the safety of an infant.
What are the steps required for the safety of infants?The steps required for the safety of infants are as follows:
Make a small diet plan for the infant.Do not leave your infant alone on the table, sofa, chair, etc. Always put your baby in a safe place when you are not able to hold him properly.Always follow systematic orders for vaccination.Ensure your child is hydrated all the time.Make possible events to prevent the entry of pathogens.In this situation, you have to acknowledge to the mother that this practice is not safe for the health of your infant and try to introduce some of the negative aspects of this action. Also, warn her not to proceed with this action in the future because child safety is of utmost importance.
Therefore, the situation in which a mother is feeding her infant a cultural dish that contains honey has to be taken with great consideration.
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