The term "epigenetics" is Gene expression alterations that are reversible are transferred from cell to cell
Epigenetics is the study of how particular genes or proteins linked with particular genes are altered chemically in an organism. How genes are expressed and utilised by cells can be defined by epigenetic changes. Epigenetics is the study of how environmental factors and behavior may alter how your genes function. While epigenetic alterations are reversible and do not alter your DNA sequence like genetic changes do, they can alter how your body interprets a DNA sequence. The frequency or timing of protein synthesis from your genes' instructions is referred to as gene expression.
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why might the cricket genome have eleven times as many base pairs as that of drosophila melanogaster?
More non-coding DNA must exist in crickets. They encode a DNA synthesis enzyme that starts with an RNA template.
Why is it more challenging to discover eukaryotic genes using genomic methods than bacterial genes?Regulating sequences, like exon-intron boundaries, are unfortunately varied, more so in eukaryotes than in prokaryotes, and not all genes in eukaryotes have the same set of regulatory sequences. Therefore, it is difficult to find genes using these.
Why could the number of genes in the genome be less than the variety of proteins that an organism produces?Since many genes are subjected to alternative splicing, the same gene can create a variety of proteins with various exon arrangements.
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HELP GIVING POINTS WILL GIVE LOTS OF POINTS
Answer:
1. Interphase
2. Chromatin
3. Chromosomes
4. The equatorial plane
5. Anaphase
6. Cytokinesis
7. nucleolus
8. Interphase
9. The centromere of each pair of sister chromatids
10. Prophase
dissolved salt affects surface tension much like alcohol does. would this have any effect on life living on the surface of fresh water versus living on the surface of salt water
Salt effects of surface tension are of critical importance in many regular phenomena it reasons small droplets of rain to stick to our home windows, creates bubbles while we upload detergent in our sink, and propels water-molecules insects at the surface of ponds.
NaCl salts motivate the growth of surface tension and the residence time of interfacial water molecules. Additionally, they decrease the house time of interfacial n-decane molecules.
Water molecules pull the sodium and chloride ions aside, breaking the ionic bond that held them collectively. After the salt compounds are pulled aside, the sodium and chloride atoms are surrounded by water molecules, as this diagram indicates. as soon as this happens, the salt is dissolved, ensuing in a homogeneous solution.
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to determine the identity of their biological parents, adopted children sometimes request dna tests. dna samples from the child are compared to dna samples taken from the likely parent. possible relationships may be determined from these tests because the select one: a. base sequence of the father determines the base sequence of the offspring b. mutation rate is the same in closely related individuals c. dna of parents and their offspring is more similar than the dna of nonfamily members d. position of the genes on each chromosome is unique to each family
What might happen to an organism that uses asexual reproduction if the average temperature of its habitat changes?.
In asexual reproduction, if habitat temperature changes, the species may become extinct because it cannot adapt to change.
Asexual reproduction refers to a type of reproduction where a child is born to a single parent. The newly created people share the same genetic makeup and physical characteristics. There is little variation between parent and offspring when asexual reproduction occurs, such as in budding, because identical copies of the parent cell are produced. While asexual reproduction has the benefit of quick reproduction, it also has a significant drawback.
Natural selection uses variability to aid in population adaptation to environmental change. When the environment changes, it is easier for organisms whose genes are better adapted to the new environment to pass those genes on. As a result, the population changes throughout time to include more of these alleles. A population with little variability finds it harder to adjust to environmental changes. and thus the species may become extinct because it cannot adapt to change.
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which best illustrates a result of natural selection?a bat that is born with a wing that is missing the webdark-colored hares living in a snowy areamosquitoes that transmit disease to humansgiraffes having increasingly longer necks over time
Giraffes having increasingly longer necks over time best illustrates a result of natural selection.
Natural selection is the process by which individuals with different phenotypes survive and reproduce differently. It is a critical component of development, the adjustment of the heritable qualities normal for a populace overages. The giraffes' long necks are a great illustration of how animals adapt to their natural environment. Giraffes have a competitive advantage because they can now eat leaves that others can't reach thanks to their long necks. Those with longer necks were able to reproduce and pass on the trait to the next generation because they had access to better food.
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he diagram shows a charge moving into an electric field.
Two horizontal parallel plates have equally spaced vectors going from the bottom plate to the top plate. A negatively charged sphere labeled Z in traveling horizontally in between the plates. A vector is pointing right. The top plate is labeled W. There is an X at the far end of the top plate and a Y at the far end of the bottom plate.
The charge will most likely leave the electric field near which letter?
W
X
Y
Z
The charge will most likely leave the electric field near letter Z.
In the diagram, the electric field lines are shown as uniformly spaced vectors extending from the bottom plate to the top plate. This indicates that the electric field is uniform, with the same strength and direction at all points between the plates. The negatively charged sphere labeled Z is moving horizontally between the plates, with a vector pointing right. This indicates that the sphere is moving in the same direction as the electric field, and will therefore be pushed by the field as it travels between the plates.
Since the electric field is uniform and the sphere is moving in the direction of the field, the sphere will continue moving in the same direction until it reaches the end of the plates, at which point it will leave the electric field. This means that the sphere will most likely leave the electric field near letter Z, which is located at the end of the plates.
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large air tubes leading from the trachea to the lungs which convey air to and from the lungs; consist of primary, secondary or tertiary and right and left bronchioles
Answer:
Explanation:
Further down, the trachea divides into two tubes (left and right) called bronchi (BRAHN-kye). The bronchi connect the trachea to the lungs.
neuron serving as part of the conduction pathway between sensory and motor neurons
Answer: Interneurons
Explanation:
A scientist treats a cell with a chemical that destroys the ribosomes. As a result, which cell process will be stopped?
a. Osmosis
b. Protein Synthesis
c. Photosynthesis
d. Cellular Respiration
Review the table detailing the mass of Jupiter’s moons and their distance from the planet.
A 3 column table with 4 rows. The first column is labeled Moon with entries Io, Europa, Ganymede, Callisto. The second column is labeled mas in x 10 Superscript 19 Baseline kilograms with entries, 8.932, 4.8, 14.819, 10.759. The last column is labeled Distance from Jupiter in meters with entries, 421700, 671034, 1070412, 1882709.
Which of Jupiter’s moons has the greatest gravitational force with Jupiter?
Io
Europa
Ganymede
Callisto
The Jupitar moon that would have the greatest gravitational force with Jupiter is Ganymede. Option C
What is the gravitational force?We know that the gravitational force has to do with the force that is exerted by one object on the other owing to the fact that they are all with the gravitational field of the universe. We must know that the universe is a great gravitational field.
The gravitational force that acts on objects in the universe is an attractive force. Hence we know that masses that are in the universe are able to be attracted to each other by reason of the force of gravity that is operating in the universe.
We know that the magnitude of the gravitational force depends on the mass of the objects as well as on the magnitude of the distances that separates the objects in the universe.
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Answer: c Ganymede
Explanation:
Why early molecular geneticists knew that the genetic material needed to be a stable molecule?
This allowed for exact replication. Genetic material has to be a stable molecule in order to be handed down from one generation to the next.
Genetics is the study of how traits and genes are passed down from one generation to the next. The data in our DNA has an impact on everything from our health to our appearance to even our personality! Genetics is where it all begins.
Genetics is the study of genes. Our genes pass information from one generation to the next. For example, genetics is the reason why one child has blonde hair like their mother and their sibling has dark hair like their father.
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How does Lulu connect to the Life as a Hunter
Lulu connect to the Life as a Hunter by looking at their digestive tracks, teeth, size of their intestines, and rectum.
Who is a Hunter?This is referred to as a person or individual who hunts wild animals for food or as a sport and employs the use of instruments such as arrow, guns etc.
In the excerpt from Life as a Hunter, Lulu connected his daily activities and living as a hunter through the observation of digestive tracks, teeth, size of their intestines, and rectum by looking at them which is therefore the reason why it was chosen as the correct choice.
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which size forest fragment would be most affected by habitat fragmentation over a given period of time?
The smaller the forest fragment, the more likely it is to be affected by habitat fragmentation over a given period of time. Fragments less than 500 hectares (about 1,250 acres) are particularly vulnerable to fragmentation, as they lack the diversity and resilience of larger fragments.
Step 1: Habitat fragmentation is the process of breaking up large, continuous habitats into smaller, isolated patches. Fragmentation of large forest fragments can significantly reduce the amount of suitable habitat available to species, leading to decreased diversity, decreased abundance of certain species, and increased isolation.
Step 2: The size of the forest fragment that is most affected by fragmentation over a given period of time depends on the type of species that inhabit the forest. Some species, such as large mammals, may require large areas of habitat in order to survive, while other species may be able to survive in smaller fragments.
Step 3: To determine which size forest fragment would be most affected by habitat fragmentation, it is important to consider the type of species that inhabit the forest, as well as the amount of fragmentation that has already occurred. For example, a forest fragment that is already highly fragmented may be more affected by further fragmentation than a larger, less fragmented fragment.
Step 4: In general, the smaller the forest fragment, the more likely it is to be affected by fragmentation over a given period of time. This is because smaller fragments are more vulnerable to edge effects, such as changes in temperature, wind, and water levels, which can lead to changes in the species.
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henry has a cut on his thigh that becomes infected. the lymph nodes in his __________ enlarge.
Henry has a cut on his thigh that becomes infected. The lymph nodes in his inguinal region enlarge.
A lymph node or lymph gland, is a kidney-shaped lymphatic and immune system component. The lymphatic veins connect a huge number of lymph nodes to one another throughout the body.
The lower section of the anterior abdominal wall is the part of the body where inguinal region, (also referred to as the groin) is located.
Lymph nodes play an important role in fighting viral or bacterial invasion in the host system by multiplying to promote phagocytosis thus, typically leads to swollen lymph nodes.
Inguinal lymph nodes are another name for groin lymph nodes. Any type of skin infection or injury to the leg, including thigs, can result in swollen lymph nodes in the groin.
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FILL IN THE BLANK. if a drosophila female has a homozygous mutation for a maternal effect gene, _____.
If a drosophila female has a homozygous mutation for a maternal effect gene, all of her offspring will show an abnormal phenotype.
The phenotype of an organism is defined by this phenomenon, independent of the organism's own zenotype, and will be determined by what the mother's genotype is. Here, it is revered for its distinct zenotype. In actuality, the supply of m r is what is principally responsible for this result in this case. It is a result of the arena's supply and the proteins from the mother's side that are present here. We can see from this example that a female roseola, or mutation, will manifest if the mutation is metal and maternal effect recessive.
Therefore, we will state that the maternal gnome controls the functioning of that chemical in this instance.
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Describe how natural selection explains the changes in species over time .
English naturalist Charles Darwin discovered the idea of natural selection.
Over time, natural selection process leads to the evolution of species. This is one way to explain how millions of species have existed on Earth. For example, the long necks of giraffes give them a competitive advantage to feed on leaves over other organisms that have shorter necks.
The beneficial characteristics spread throughout the population over time. Favorable traits are transmitted through generations which results in natural selection. Natural selection can result in speciation, the process by which one species gives rise to another that is utterly distinct from it.
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what does alpha hemolysis look like on blood agar? what do bacteria do to rbcs to produce the typical color of alpha hemolysis
Alpha hemolysis looks like green or brown discoloration on blood agar. Bacteria will partially hemolyze the RBCs in the blood agar.
Blood agar is a multipurpose, enriched medium that is frequently used to cultivate fastidious organisms and distinguish bacteria according to their hemolytic capabilities.
The oxidation of hemoglobin from red blood cells to methemoglobin in the media around the colony is known as alpha hemolysis. As a result, the medium becomes stained green or brown discoloration around the colonies.
The bacteria present in the blood agar produce hydrogen peroxide. This will partially hemolyze the red blood cells in the agar and convert the hemoglobin to methemoglobin.
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It i now poible to have your peronal dna equenced and analyzed. In addition to ancetry reearch ,people often ue thi information to make deciion regarding their health. Ome ay we can now predict which potential health concern a peron may face in their life. I thi an accurate prediction?
No, it is not an accurate prediction that we can now predict which potential health concern a person may face in their life.
While it is possible to sequence and analyze personal DNA and use the results to gain some insight into potential health concerns, it is not possible to accurately predict which health concerns a person may face in their life.
The sequencing and analysis of personal DNA can provide an indication of genetic predisposition to certain health conditions, such as certain types of cancer, heart disease, diabetes, and other conditions. However, these genetic predispositions are only one factor in a person's health and do not accurately predict whether a person will actually develop a certain health condition.
Other factors, such as lifestyle, environment, and access to healthcare, can play a much larger role in a person's health than genetics. For example, a person may have a genetic predisposition to heart disease, but if they live a healthy lifestyle, exercise regularly, and have access to quality healthcare, they may still never develop the condition. Conversely, another person may live an unhealthy lifestyle, have no access to healthcare, and still never develop heart disease.
Therefore, while the sequencing and analysis of personal DNA can provide some insight into a person's potential health concerns, it is not an accurate prediction of which health concerns a person may face in their life.
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Which one of these is not included in the biodiversity hotspots of India?Western GhatsHimalayasIndo-BurmaNorth Indian Plains
The Gangetic Plain is not a hotspot for biodiversity. A biogeographic area known as a biodiversity hotspot has many species that are threatened by modern civilisation.
In two pieces that published in The Environmentalist in 1988 and 1990, Norman Myers originally put forth the concept. The idea was developed by Myers and others after much thought, and they both co-authored "Hotspots: Earth's biologically Richest and Most Endangered Terrestrial Ecoregions" and a research that was printed in the journal Nature in 2000. According to Myers' hotspot map from 2000, a region must have at least 1,500 native vascular plant species (more than 0.5% of the total worldwide) and have lost at least 70% of its original primary vegetation in order to be classified.
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Which of the following organisms are ectothermic, or rely on the temperature of their environment to maintain their internal body temperature? Choose all that apply.
a)fish
b)iguanas
c) sea otters
d)whales
e)camels
Fish, amphibians, and reptiles are examples of ectotherms. Warmer climates are typically more favorable for these creatures.
What types of animals are ectotherms?Any animal that is considered to have cold blood, or whose ability to regulate body temperature dependent on outside factors like sunshine or a warm rock surface Fish, amphibians, reptiles, and crabs are all ectotherms.
Can people have ectothermia?Endotherms employ thermoregulation to keep a reasonably constant internal body temperature although when their exterior environment fluctuates, as opposed to ectotherms, which rely on their outer world and for body heat. Endotherms include people, other mammals, and birds.
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what hormones do the follicular cells produce and secrete, and what are the functions of these hormones?
Answer:
These follicular cells are the derivates of the endoderm and secrete thyroid hormone. The circulating form of this hormone is thyroxine, which is tetraiodothyronine (T4) along with a small quantity of triiodothyronine (T3).
One event in a high school track meet is the 400 meter run. If the runners of the 4oo meter event start and end at the same location, what is their DISTANCE?
A. 0 meters
B. 200 meters
C. 400 meters
D. 800 meters
Answer: C 400 meters
Answer: 400
Explanation: The distance run by the participants in a 400 meter event is 400 meters. In a track meet, the 400 meter event is a race in which the runners start and finish at the same location, and they run a total distance of 400 meters. This distance is fixed and does not change, regardless of the speed at which the runners complete the race.
describe a potential way for bacteria to determine how many other bacteria are nearby, using signal transduction
Bacteria release multiple quorum-sensing autoinducers, some of which only one particular species can sense and some of which can be detected by a few or many bacterial species. The blend of autoinducers perceived by a bacterium corresponds to how many and what bacterial species are nearby.
Instead of using words to communicate, bacteria use substances called autoinducers. The bacteria start to demonstrate novel behaviors that can only be successful when many cells cooperate when autoinducer levels start to rise because they become aware that there are many other cells nearby. Numerous processes, including disease, symbiosis, and the production of biofilms (bacterial populations attached to surfaces), include quorum sensing. Quorum sensing was initially discovered in marine bacteria that produce bioluminescence and bacteria that could absorb DNA from the environment (make light) in a single transduction.
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Drag each statement to the correct category.
Identify each statement as either true or false.
If it is high tide in one place
on Earth, the place exactly
opposite to it will have
a low tide.
Earth’s gravity can act as a
slingshot to boost the velocity
of nearby spacecraft.
The Sun, along with the entire
solar system, moves around
the galaxy.
Without gravity, there would
be no atmosphere surrounding
Earth.
The mass of an object on
Jupiter is greater than its
mass on Earth.
To find the mass of an object,
multiply the weight of the
object and gravity.
Answer:
true:
Earth’s gravity can act as a slingshot to boost the velocity of nearby spacecraft.
The Sun, along with the entire solar system, moves around the galaxy.
false:
If it is high tide in one place on Earth, the place exactly opposite to it will have a low tide.
Without gravity, there would be no atmosphere surrounding Earth.
uncertain:
The mass of an object on Jupiter is greater than its mass on Earth.
To find the mass of an object, multiply the weight of the object and gravity.
Explanation:
the total number of individuals of the same species that occupy a given area at a given time is the
The total number of individuals of the same species that occupy a given area at a given time is the population.
The word population is defined as the amount of individuals from the same species that inhabit a specific geographic area at any given time. Organisms of the same species may form multiple populations in different geographical areas. A population is made up of all the frogs in a given pond. Frogs but also water hyacinth plants ended up finding in a pond, a Murray, a stream, and a lake, for example, are different populations of a single organism.
According to the United Nations, the world's population will surpass 8 billion on November 15, 2022, and 7 billion on March 12, 2012. According to a separate UN estimate, the Earth's population surpassed seven billion through October 2011, presenting unprecedented challenges and possibilities for all of human civilization, according to UNFPA.
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The kidneys remove ______ from the blood.
a. oxygen
b. urea
c. cells
d. carbon dioxide
Robert Merton argued that when too much deviance happens, it is generally because of how society is organized. What is this theory known as?
A.
strain theory
B.
theory of deviance
C.
control theory
D.
labeling theory
When too much deviance happens, it is generally because of how society is organized. The theory is called the Strain Theory. Thus, A is the best option.
Dr. Robert Merton accelerated the paintings of French sociologist Émile Durkheim on anomie together with his concept of deviance and social pressure. Dr. Merton argued that society is probably installed in a manner that promotes an excessive amount of deviance.He believed that societies do now no longer offer an adequate manner of attaining cultural desires. Taking the case of the United States, to gain the American Dream, American society might want to offer to get the right of entry to schooling and employment.Based on pressure concept, Dr. Merton described 5 sorts of deviance:-
Conformity: When the character or institution accepts cultural desires and the manner of achieving them. Without their majority, a society might generally tend to transport itself in the direction of a kingdom of disorder, confusion, and disorganization. Innovation: This entails accepting the desires of a way of life however rejecting the conventional or valid manner of achieving the one desires. Ritualism: the character or institution reject cultural desires however be given the conventional and/or valid manner to achieve cultural desires. for example, those who accept that they'll never progress however what remains of their function is a ritualist.Retreatism: When someone or an institution rejects each of the cultural desires and the conventional manner of attaining one's desires. They usually generally tend to achieve this to break out the constructs of each of the culturally-authorized desires and the valid manner of attaining them.Rebellion: When someone purpose to update societal desires with the ones in their personal and devise their personal manner of attaining them.The maximum apparent examples of insurrection are terrorist organizations, which try to enhance an aim, via manner inclusive of violence.To learn more about Strain theory,
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Read the article and use the information to answer the following questions. active transport in active transport, molecules are moved across the cell membrane with the help of
In Active transport, molecules are moved across the cell membrane against their concentration gradient, which means option E is the right answer.
Active transport allows movement of particles across the cell membrane with the help of proteins which are present near the membrane. These proteins are known as carrier proteins. Larger molecules which are not proteins such as glucose can also be actively transported across the cell membrane by processes called endocytosis and exocytosis. Active transport refers to the transport of molecules across the membrane that requires the use of energy which is provided using ATP (Adenosine Triphosphate) molecules. During this movement, ATP molecules help in movement of particles from low concentration to higher concentration, hence it becomes against the concentration gradient.
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To refer to complete question, see below:
In active transport,
a. molecules move across the plasma membrane by crossing the lipid bilayer directly, rather than by using a transport protein.
b. the plasma membrane forms a pocket that pinches inward, forming a vesicle that contains material from outside the cell.
c. no energy input is required from the cell.
d. a vesicle inside the cell fuses with the plasma membrane and releases its contents outside the cell.
e. molecules move across the plasma membrane against their concentration gradient.
Answer: C. Protiens
Explanation:
edge
Why does the United States have so many Superfund sites compared with other nations?
The "Superfund" law, also known as CERCLA or the Comprehensive Environmental Response, Compensation, and Liability Act, was enacted in 1980.
What are Superfund sites?The federal superfund program was established in December 1980 in response to the grave dangers that hazardous waste dumps.
The iconic Love Canal landfill in Niagara Falls, New York, posed throughout the nation.
Therefore, as of October 2022, New Jersey had 115 hazardous waste sites, which is the highest in the whole US. California and Pennsylvania came next, with 96 and 90 sites, respectively.
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