Galactic cannibalism is referred when one galaxy collides with another.
what is galactic cannibalism?
Galactic cannibalism is the process by which a big galaxy combines with a companion through tidal gravitational interactions, creating a larger, frequently irregular galaxy.
In a new study, researchers channelled their inner Indiana Jones to demonstrate that the Milky Way, our home galaxy, once gobbled up five smaller galaxies.
That will help scientists comprehend how the Milky Way and Andromeda will engage with other, tiny, nearby galaxies and how, eventually, they will merge and join after billions of years in our portion of the cosmos.
Therefore, Option A is correct.
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why do veins have valves
How does natural selection lead to the development of antibiotic resistance?
Explain how natural selection has contributed to the evolution of antibiotic resistance in bacteria?
Include at least one in-text citation to show where you got your information from.
Answer:
no
Explanation:
:/ Bozo
An experiment was conducted to demonstrate the passage of glucose and starch across a selectively permeable membrane that allows monomers but not polymers to diffuse through.
Glucose and starch powders were mixed in 10 ml of water and poured into a cellulose bag, which was then sealed at both ends and placed in a beaker of water. After 30 minutes, the presence of glucose in the beaker was recorded with a testing paper, which turns green if glucose is present. The presence of starch was recorded by adding a few drops of iodine, which causes the solution to turn violet if starch is present.
A beaker filled with 100 milliliters of distilled water. A bag filled with 10 milliliters of water and a solution of 2 percent glucose and 2 percent starch is placed in the beaker of water.
Which statement best describes the expected result?
A) The testing paper will turn green and the solution will turn violet.
B) The testing paper will turn green and the solution will not turn violet.
C) The testing paper will not turn green and the solution will turn violet.
D) The testing paper will not turn green and the solution will not turn violet.
Answer:
B
Explanation:
because if you read the first paragraph, the membrane will only allow monomers not polymers. glucose is a monomer and starch is a polymer. so the membrane will only take glucose and the color for glucose therefore the color is only green.
How is transcription similar to replication and how is it different?
Answer:
Transcription and replication are important processes that occur in cells but have distinct differences.
Similarities between transcription and replication:
1. Both transcription and replication involve the synthesis of nucleic acids. In replication, DNA is copied to produce an identical DNA molecule, while in transcription, DNA is used as a template to produce RNA.
2. Both processes occur in the nucleus of eukaryotic cells, although replication also occurs in the cytoplasm of prokaryotic cells.
Differences between transcription and replication:
1. Template: In replication, the entire DNA molecule serves as the template for copying. However, in transcription, only a specific DNA segment, called a gene, serves as the template for synthesizing an RNA molecule.
2. Product: Replication results in the production of an identical DNA molecule, while transcription produces an RNA molecule that is complementary to the DNA template.
3. Enzymes involved: Replication requires the involvement of multiple enzymes, including DNA polymerase, helicase, and ligase. Transcription, on the other hand, involves RNA polymerase, which catalyzes the synthesis of RNA from the DNA template.
4. Base pairing: During replication, DNA bases pair with their complementary bases (A with T and C with G) to produce an exact copy. In transcription, RNA bases pair with complementary DNA bases (A with U and C with G), resulting in an RNA molecule complementary to the template DNA strand.
Overall, while transcription and replication involve the synthesis of nucleic acids, they differ in terms of their templates, products, enzymes involved, and base pairing patterns. These processes are essential for cell function and crucial in genetic information transfer and maintenance.
Explanation:
A scan of Sam's genome for the 100 most common mutations known to cause RP didn't find anything. How can you explain this result?
Answer:
He is either not carrying the gene for RP or the RP gene has mutated.
Explanation:
RP or Retina Pigmentosa is an eye defect inherited by a person from a parent. The disease is degenerative as the individual gradually loses his sight. It normally starts off as night-blindness and could go as bad as a total loss of sight.
The mutation of both the RPGR and RP2 genes which are responsible for the function and structure of light-reception in the eye accounts for most cases of Retina Pigmentosa disease.
If allele B made bacteria resistant to antibiotics, which of the following is correct
Answer:
The Bacteria population is less likely to be killed by antibiotics
Large multicellular organisms are made of a wide variety of cell types. Do
all of the types of cells pass through the cell cycle at the same rate? *
1 point
Yes. All of the cells divide at approximately the same times throughout the life of the
organism.
Yes. All of the cells divide at approximately the same rate, although they may divide at
different times.
No. Some specialized cells, such as skin cells, divide much more rapidly than other
specialized cells
No. Some specialized cells, such as skin cells, divide much more slowly than other
specialized cells.
Answer:
Yes, All of the cells divide at approximately the same rate, although they may divide at different times
Those organisms which are made up of more than one cell are called multicellular organisms.
These are a few examples of multicellular organisms:-
PlantsAnimalsFungiMulticellularity helps them to perform various work at the same time. To maintain the same number of cells in an organism, its body starts cell division.
It is not necessary for the host to divide all the cells at the same time.
Hence the correct option is Yes. All of the cells divide at approximately the same rate, although they may divide at different times.
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10. As one of the evidences of evolution supported by Darwin, structures that have different mature forms but arise from the same embryonic tissues are called
F. Upper limb structures
G. Vestigial structures
H. Analogous structures
J. Homologous structures
Answer:
J
Explanation:
Read the observation, question, and hypothesis.
Observation: Hotter water seems to produce more bubbles than cold water when it is mixed with dish soap.
Question: Does water temperature affect the amount of bubbles that are produced from dish soap?
Hypothesis: Hot water produces more bubbles than cold water when it is mixed with dish soap.
D’Angela will mix soap and water in a clean beaker four times. To test her hypothesis, which conditions should change or remain the same each time?
The water temperature should remain the same, but the type of soap should change.
The type of soap should remain the same, but the quantity of soap should change.
The water temperature should remain the same, but the quantity of soap should change.
The type of soap should remain the same, but the temperature of the water should change.
Answer: the type of soap should remain the same
Explanation:
i took the test
Answer:
D
Explanation:
edge2020
In developing countries with high population rates, at which trophic level do people generally thrive?
In developing countries with high population rates, people generally thrive at a trophic level of 2.2.
Trophic levels are the positions that feed in a food chain or web. The population size diminishes as you move up the trophic levels of an environment.
Numerous consumers consume food at various trophic levels. When people eat plants like vegetables, they are the primary consumers. When they eat cows, they are incidental consumers. When they eat fillets, they are secondary consumers.
Higher trophic levels typically have fewer creatures since there is less energy there. At higher trophic levels, organisms are often greater in size, but because there are fewer of them, there is less biomass produced. The total mass of all trophic-level creatures is known as biomass.
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O
When a display is ready, it is pasted in the
O a Prep room
O b.
Oc.
O d.
Open lab walls and doors
Lecture room
Toilet
When a display is ready, it is pasted in the
Open lab walls and doorsTherefore option b is correct.
What is display?A display is described as a device with a screen that shows rendered electronic images.
In this scenario, the display could be an information rendered in physical form.
The Dry Lab Prep room is a supplementary support space to the Teaching Dry Laboratory.
Fixtures, tables, workbenches and cupboards are provided for the preparation of experiments and the storage, cleaning and preparation, cleaning of materials, apparatus and equipment.
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Which communicable diseases are known for targeting the human immune systems?
I. HIV
II. Polio
III. Tuberculosis
I only
II only
I and II
II and III
I, II and III are ALL communicable diseases known for targeting the human immune systems. Communicable diseases are transmissible diseases.
What are communicable diseases?Communicable diseases are transmissible diseases, generated by the infection of pathogens in a suitable host.
The human immunodeficiency virus (HIV) represents a major communicable disease around the world. Polio is also a communicable disease that spreads via human-to-human physical contact.
Polio is a communicable disease that is transmitted from an infected individual to an uninfected individual via coughs or sneezes.
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Answer: The correct answer is HIV
Explanation: I took the test.
lauren was walking in the woods when she found a rotting log. when she looked closely at the log, she saw that a decomposer was working to break down the wood. which could be the decomposer she saw on the log?
A. grass
B. mouse
C. mushroom
D. caterpillar
Answer:
C. mushroom
Explanation:
Give three negative side effects that taking too many antibiotics can have on your body
Answer:
they could create bad bacteria and are harder to kill this is called bacterial resistance or antibiotic resistance.
Explanation:
Answer:
here brainliest plz
Explanation:
Antibiotics Can Upset Sensitive Gut Flora.
Antibiotics Help Teach Good Bacteria to Go Bad.
Antibiotics Are Increasing Cases of Untreatable Gonorrhea.
Question 15 of 32
Cross sections of different areas of the same plant show cells with very
different structures. What does this tell you about the different areas?
O A. The cells in the top image are smaller than the cells in the bottom
image
OB. The cells in these two areas have different DNA.
O c. The cells in the top image are a different color from the cells in
the bottom image.
O D. The cells in these two areas have different functions.
SUBMIT
b. Bobcats are another predator of snowshoe hare. If a population of bobcats immigrates to the
area, how is this likely to affect the habitat's carrying capacities for hare and lynx?
Answer:
Decrease population and carrying capacity.
Explanation:
If a population of bobcats immigrates to the area, the population of hare and lynx decreases that also affect the habitat's carrying capacities for hare and lynx because bobcats feed on both hare and lynx. Bobcats are very aggressive in nature, and has an aggressive hunting style. With these characteristics, the bobcats can hunt both hare and lynx which leads to decrease in population and carrying capacity.
What has to be present in order for metamorphic rocks to form?
Factors such as high heat and high pressure have to be present in order for metamorphic rocks to form.
What is a Rock?This is referred to as a solid collection of mineral grains that grow or become cemented together and are formed through various types of techniques.
Metamorphic rocks in the other hand is referred to as any of a class of rocks that result from the alteration of preexisting rocks in response to changing environmental conditions and the process it undergoes is metamorphism hence the name given to it.
Metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineral-rich fluids etc or combination of the factors mentioned above which are usually present in the deep region within the Earth or where tectonic plates meet.
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Explain the the verse below in your own words.
Hebrews 11:7
Answer:
Faith, according to the Bible, is not blind. More than half of the verses in the book of Hebrews are dedicated to explaining reasons and evidence to accept the new covenant in Jesus Christ. Nor is faith gullible, or senseless. Instead, godly faith is exemplified by trust. That trust is based on what we know of God, relying on Him for the things we do not know. In particular, godly faith looks forward, from an eternal perspective, and produces obedience, even in the face of hardship. God takes what we cannot see, or cannot understand, and uses it to make good on His word. Since faith relies on what we've seen of God, and trusts Him for the future, it becomes the "assurance of things hoped for, the conviction of things not seen" (Hebrews 11:1–3).
Explanation:
I LOVE JESUS
CAN I HAVE A BRANLIEST PLZ
Faith, according to the Bible, is not blind. More than half of the verses in the book of Hebrews are dedicated to explaining reasons and evidence to accept the new covenant in Jesus Christ. Nor is faith gullible, or senseless. Instead, godly faith is exemplified by trust. That trust is based on what we know of God, relying on Him for the things we do not know. In particular, godly faith looks forward, from an eternal perspective, and produces obedience, even in the face of hardship. God takes what we cannot see, or cannot understand, and uses it to make good on His word. Since faith relies on what we've seen of God, and trusts Him for the future, it becomes the "assurance of things hoped for, the conviction of things not seen" (Hebrews 11:1–3).
Which statement best describes how a catalyst can speed up a chemical reaction?
The catalyst decreases the activation energy needed.
The catalyst increases the concentration of products.
The catalyst binds to enzymes to release substrates.
The catalyst increases the concentration of reactants.
Joe has blonde hair. Joe's father has brown hair. Joe's mother also has brown hair. Joe's father and Joe's mother want to have another child. What is the probability that the child will have brown hair? Support your reasoning with a Punnett Square.
Answer:
Assuming a single gene determines that hair color with two alleles (brown and blonde), and that both parents are heterozygous (Bb) for this gene, the Punnett square would look like this:
see attachment:
So, there is a 75% chance that the child will have brown hair (either BB or Bb), and a 25% chance that the child will have blonde hair (bb).
This calculation is based on the principles of Mendelian genetics, which state that each parent contributes one allele to their child for each gene and that the dominant allele (B) masks the recessive allele (b) in a heterozygous individual (Bb).
Therefore, based on the given information, the probability that Joe's father and mother will have a child with brown hair is 75%, and the probability that the child will have blonde hair is 25%.
Explanation:
#1 The subatomic particle that is neutral is the _____.
#2 A (An) _____ is a negatively charged particle
#3 According to modern atomic theory, _____ can't move from one energy
level to another.
The subatomic particle that is neutral is the Neutron. (An) electron is a negatively charged particle
According to modern atomic theory, the proton can't move from one energy level to another
With the work of the English chemist John Dalton, the current atomic theory, which has continuously undergone refining, started to blossom at the beginning of the 19th century.
The modern atomic theory holds that atoms are no longer indestructible and now contain electrons, protons, neutrons, and other sub-particles. Isotopes are variations of an element's atoms that can exist.
The concepts of atoms and how they create matter are established by current atomic theory. Atoms are composed of negatively charged electrons revolving around a core nucleus made up of electrically neutral neutrons and more massive positively charged protons.
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What are the characteristics of carbohydrates? (select all the apply)
(A) contains phosphorus
(B) building material
(C) moves on its own
(D) source of energy
Carbohydrates are the nutrients that are most frequently employed as an energy source. Monosaccharides are single sugar molecules that serve as the building for all other sugars and carbohydrates. Thus option B and D are correct.
What is carbohydrates?Sugar molecules make up carbohydrates, or carbs. Carbohydrates are one of the three primary nutrients included in foods and beverages, along with proteins and fats.
Glucose is created by your body's breakdown of carbs. The primary source of energy for the cells, tissues, and organs in your body is glucose, sometimes known as blood sugar.
A vast variety of both good and bad foods, including bread, beans, milk, popcorn, potatoes, cookies, spaghetti, soft drinks, corn, and cherry pie, include carbohydrates.
They can take on various shapes as well. Starches, fibers, and sugars are the most common and ubiquitous types.
Therefore, carbohydrates serve as source of energy and building material.
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september would the earth be experiencing a solstice or an equinox
how do you know
In September the earth will be experiencing an equinox
Equinoxes occur between March and September. When the Sun's rays strike the equator at midday and at a 90° angle, it is considered an equinox. It stands for the idea that day and night have equivalent lengths. The sunset and dawn are separated by 12 hours everywhere on Earth. One may observe how quickly the sunset and dawn hours shift throughout the day the farther one goes from the equator.
Whereas, solstices occur in June and December. The contrary is visible close to the solstices. For a few days, both the sunset and sunrise appear to be constant. Over the course of the year, the time of day when the sun is directly overhead where one lives also gradually changes.
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the____is the portion of earth that can support living things.
Answer:
The Biosphere
Explanation:
The biosphere is a thin life-supporting portion on Earth's surface, extending a few km into the atmosphere to the deep-sea. It is composed of living organisms and nonliving factors from which the organisms derive energy and nutrients.
How is CRISPR-Cas9 different from existing DNA editing technologies?
Answer:
CRISPR-Cas9 is a genome editing tool that is creating a buzz in the science world. It is faster, cheaper and more accurate than previous techniques of editing DNA and has a wide range of potential applications.
Explanation:
HOW CRISPR IS DIFFERENT FROM OTHER TECHNOLOGIES
CRISPR-Cpf1 differs in several important ways from the previously described Cas9, with significant implications for research and therapeutics. ... The Cpf1 system is simpler in that it requires only a single RNA. The Cpf1 enzyme is also smaller than the standard SpCas9, making it easier to deliver into cells and tissues.
What is the difference between a large subnit in a small subnit
Explanation:
The small ribosomal subunit has cleft in the upper third, and it the subunit which binds to the -AGGAGGU - sequence of the mRNA molecule. The large subunit is more complex and has two protuberances, a valley and a stalk as well as a polypeptide exit site.
How the model in the image supports this statement: The body carries critical life functions through systems specialized cells
Some cells in the body have special jobs they are really good at doing. They are called specialized cells.
What is the specialized cells?The human body has lots of tiny cells, and each of them is different and has a special job to do. This group helps with important things needed to survive.
One type of cells carry oxygen and another type send electrical signals in our body. Specialized cells help the body do important things. Tissues: Groups of similar cells form tissues, such as muscle tissue, connective tissue, and epithelial tissue.
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Please help!
Which of the following statements about chromatin is true?
Multiple choice
1. Nucleosomes that are acetylated are associated with DNA that is inaccessible to RNA polymerase and other transcription factors
2. Chromatin in an open conformation is bound to many nucleosomes.
3. Covalent modification of histone tails always leads to an increase
transcription.
4. Covalent modification of histone talis always leads to a decrease in transcription.
5. Modifying the accessibility of chromatin leads to complex regulation of eukaryotic gene expression.
Answer:
Modifying the accessibility of chromatic leads to complex regulation of eukaryotic gene expression.
The statement that asserts a true claim regarding Chromatin would be:
5). Modifying the accessibility of chromatic leads to the complex regulation of eukaryotic gene expression.
What is the Chromatin?
Chromatin is described as the convolution made up of DNA along with RNA and proteins that exist inside the cell nucleus from which the condensation of chromosomes takes place at the time of the division of the cell.
The last statement correctly states that it functions to alter the availability of chromatic leads for convolutions belonging to the eukaryotic gene.
The key function that it performs is to unite the DNAs within a cell in order to allow it to perform various processes done by the cell.
Thus, option 5 is the correct answer.
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The density of gas particles in a section of Earth's atmosphere decreases. Which of the following is the most likely explanation for this event?
The air pressure in that section of Earth's atmosphere decreased.
The air pressure in that section of Earth's atmosphere increased.
The total number of gas particles in Earth's atmosphere decreased.
O The total number of gas particles in Earth's atmosphere increased.
The most likely explanation for the decrease in the density of gas particles in a section of Earth's atmosphere is that the air pressure in that section of the atmosphere decreased.
Density is defined as mass per unit volume. In the case of a gas, density is directly related to the number of gas particles (molecules or atoms) present in a given volume. When the air pressure decreases, it means that there are fewer gas particles exerting force per unit area. As a result, the density of gas particles in that section of the atmosphere decreases.
Air pressure is the force exerted by the gas particles on the walls of the container or the surroundings. It is influenced by several factors, including temperature, altitude, and the presence of other gases. Changes in these factors can cause fluctuations in air pressure. For example, if there is a decrease in temperature, the gas particles lose kinetic energy, which leads to decreased pressure and density.
It is important to note that the total number of gas particles in Earth's atmosphere does not necessarily change significantly over short periods of time. The atmosphere is composed of a vast number of gas molecules, and while there may be variations due to natural processes, such as volcanic eruptions or biological activities, these changes are relatively small compared to the overall composition of the atmosphere.
Therefore, the most likely explanation for the decrease in density of gas particles in a section of Earth's atmosphere is a decrease in air pressure, which can occur due to various factors such as weather systems, changes in altitude, or movement of air masses.
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Explain *in your own words* why a local park might have more biodiversity then the backyard of a suburban home? Please, if you use words that are not your own, make sure to reword it so it is more like your own, as I would rather YOU to clarify and explain this
A local park may have greater biodiversity than a suburban home's backyard since you may improve the quantity of habitat in your park by adding additional vegetation - add wildflowers, long grass sections, bushes, and trees. Mulch can be used to improve the amount of soil habitat. Create habitat where none previously existed, for as by installing a green roof on a tiny structure or growing climbers along walls.