Question: How would you describe the effect of aspirin on blood clotting?
How would you describe the effect of aspirin on blood clotting?
Choose one:
A) Aspirin has no effect on blood clotting
B) Aspirin enhances and speeds up blood clotting
C) Aspirin is an anti-clotting drug
Sequence events that lead to fermentation in aerobic organisms
Answer:
This process occurs in three major stages, and one intermediate stage
glycolysis, oxidation of pyruvate, the Krebs cycle, and electron transport
Explanation:
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How can you recognize that an exothermic reaction has occurred?
Question 1 options:
The reaction will create a precipitate
The reaction will absorb heat
The reaction will change color
The reaction will release heat
Answer:
D, the reaction will release heat
Explanation:
exo means outser and thermic means heat
a recessive trait will be observed in individuals that are ________ for that trait.
Answer:
.
Explanation:
.
Answer:
A recessive trait will be observed in individuals that are homozygous for that trait.
Explanation:
Recessive traits will be observed only when the individuals are homozygous for that trait because for a recessive phenotype to appear in an indivual, there should be two recessive alleles (homozygous) otherwise dominant alleles in heterozygous will show dominant traits.
(04.01 MC)
Which of the following best describes the flow of energy in the Everglades food web shown below? (4 points)
Diagram for an everglades food web. The food web contains the following organisms: American alligator, egret, raccoon, carp, Key deer, insects, Southern leopard frog, mangrove, and sawgrass. Mangrove is at the bottom of the food web, with arrows pointing to Key deer and insects. Sawgrass is also at the bottom of the web, with an arrow pointing to insects. Key deer, insects and Southern leopard frog are on the next level up. The Key deer has an arrow pointing to American alligator. The insects point to egret, carp, and Southern leopard frog. The Southern leopard frog points to the American alligator and the raccoon. The egret, carp and raccoon all points upward toward the American alligator. The carp also points to the egret. The American alligator is at the top of the food web.
Egret → insects → mangrove → key deer → American alligator; about 90 percent of the energy in one trophic level is transferred to the next trophic level.
Mangrove → insects → carp → American alligator; about 90 percent of the energy in one trophic level is transferred to the next trophic level.
Sawgrass → insects → Southern leopard frog → raccoon → American alligator; about 10 percent of the energy in one trophic level is transferred to the next trophic level.
American alligator → carp → insects → mangrove; about 10 percent of the energy in one trophic level is transferred to the next trophic level.
The following which best describes the flow of energy in the Everglades food web shown below is Sawgrass → insects → Southern leopard frog → raccoon → American alligator; about 10 percent of the energy in one trophic level is transferred to the next trophic level and is denoted as option C.
What is Food web?This consists of all the food chains in the ecosystem and it shows the feeding relationships between organisms.
Primary producers such as saw grass starts a food web while tertiary consumer such as american alligator end it with about 10 percent of the energy in one trophic level being transferred to the next.
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name and explain at least two issues you would need to consider besides the results of a kirby-bauer test before you chose an antibiotic to treat a real patient.
Side effects (i.e. allergic reactions, seizure).If you use the wrong antibiotic it can kill cell and cause other effects
In order to help doctors choose the best course of therapy for their patients, the Kirby-Bauer disc diffusion susceptibility test evaluates the sensitivity or resistance of pathogenic microbes to various antibiotic drugs. Medicines called antibiotics are used to treat bacterial infections. Antibiotics come in a variety of varieties. Only specific microbes are resistant to each kind. Finding the antibiotic that will be most effective at curing your infection can be determined with the aid of an antibiotic sensitivity test.
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explain how thermal energy moves
Answer: Heat energy can move from hot objects, liquids, gases, or spaces to cooler ones through three methods of transfer: conduction, convection, and radiation. Conduction is when heat passes through solid material to increase the temperature of whatever is beyond it.
Explanation:
What happens due to Divergent plate movement?
A. Volcano eruption
B. Mountain Eruption
C. Sea floor spreading
D. earthquake
Answer:
C. Sea Floor Spreading
Explanation:
The main purpose of a multiple cloning site is:
1. To keep the plasmid from leaving the nucleoid region.
2. To ensure the plasmid is copied many times in the bacterial cell.
3. To provide a location where DNA can be inserted into a plasmid.
4. To make it possible to eliminate bacteria that have not been genetically modified.
5. To ensure that each daughter cell receives a copy of the plasmid during cell division.
The main purpose of a multiple cloning site is: (3)To provide a location where DNA can be inserted into a plasmid.
A multiple cloning site is a sequence in the DNA of an organism that consists the cut palindromic site for many restriction enzymes. This region is highly exploited in laboratories to insert DNA into the vector for its transmission into the host.
Plasmid is the closed circular double-stranded DNA molecule. It is particularly present in bacterial cells. It is an autonomously replicating genetic material i.e., it can replicate on its own. Plasmids are largely used as vectors for gene transfer.
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draw a cell that is in an isotonic solution. label the amount of solute in the cell and in the solution
A representation of a cell in an isotonic solution. The cell's size stays the same since it is placed in an isotonic solution
WILL GIVE BRAINLIEST
(01.05 MC) Four gases are described below: Gas A: 3 liters at 42 °C Gas B: 9 liters at 12 °C Gas C: 9 liters at 42 °C Gas D: 9 liters at 12 °C Which gases have the same average molecular kinetic energy?
Answer:
Explanation:
Its C
EXPLAIN IN DETAIL HOW THE TWO RELATES TO THE CELL THEORY
The following lists components of the nature of science. Explain how at least two of these are related to the cell theory:
Scientific knowledge is durable yet subject to change
Science is a social activity
Cell theory states that all living organisms are made up of cells, which are structural and functional units of life. These are made from already preexisting cells.
Justification for the above sentence:
Knowledge is created through the process of science. Both thorough observation of occurrences and the creation of theories to explain those observations are essential to the process. Knowledge will always change since new observations could refute accepted ideas. No matter how well one theory explains a given collection of observations, it is always feasible that another theory will fit the same set of observations just as well, better, or across a larger range.
The majority of scientific knowledge is enduring, despite the fact that scientists reject the idea of discovering perfect truth and accept some doubt as a component of nature. Science typically modifies ideas rather than rejects them completely because strong theories are more likely to endure, advance in accuracy, and gain widespread acceptance. For instance, when developing the theory of relativity, Albert Einstein did not completely reject the Newtonian laws of motion but rather demonstrated that they were only a rough approximation with a more general concept.
This seems like a strange restriction because it is obvious that both modern science and the majority of earlier science is a social activity. For information, samples, techniques, and many other things, scientists depend on one another. Their interactions are occasionally competitive and frequently cooperative.
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Patrick is a 16 year old boy whose body has stopped producing osteoclasts. What does this mean for his bones? What other parts of
his body will be affected by this?
Hindrance in the production of osteoclasts will result in weak and brittle bones. This eventually leads to the bones of the hip, wrist, and spine weakness.
The function of osteoclasts is to resorb or break down bone. This is a process that is necessary for the maintenance of bone mass and for the repair of damaged bone.
This is necessary for the elimination of dead bone cells in the human body. The malfunctioning or stopping of the function of Osteoclasts weakens bones, making them prone to breaking from even minor stresses like coughing or stooping.
In worst cases, it leads to fractures in the regions of the hip, wrist, or spine. Bone is a living tissue that constantly degrades and is replaced so that the endurance and working of the bone are ensured throughout the body.
Therefore, Patrick would face severe problems with his bone, especially in his hip, spine, and wrists. All the bones in these regions will start to lose their strength and will become brittle and weak.
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Question 2
lonic compounds tend to form crystals with low melting points.
True
False
Discuss one issue that Alaska and the Artic are facing due to Climate Change. To possibly earn full points, you need to include 3-5 thoughtful sentences on the issue. Include what the issue is and how it is impacting Alaska and the Artic.
One issue that Alaska and the Artic are facing due to Climate Change is that ground ice becomes prone to thaw and collapse, which impact in life of people inhabiting these regions.
What is Climate Change?The term Climate Change makes reference to the sudden modification on the weather condition on the Earth over the past few decades, whose velocity of change is increasing and it is considered to be caused by human activities that generate global warming such as the burning of fossil fuels for industrial purposes.
In Alaska and the Artic, the melting ice is causing many problems associated with daily life in these regions The ground ice known is melting, and thereby structures on the surface may collapse due to this phenomenon.
Therefore, with this data, we can see that Climate Change causes the ice in the ground ice to thaw and thus collapse.
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If earths didn’t rotate then global winds would only go east and west true or false
Answer:
If the Earth did not rotate, wind would blow in a straight line. But since the Earth is rotating beneath the wind, the path it follows becomes a curve. In the Northern Hemisphere, the Earth rotates counterclockwise so the wind is deflected to the right.
Explanation:
85f equals to how many c?
85°F is approximately equal to 29.4°C.
To convert Fahrenheit (°F) to Celsius (°C), you can use the following formula:
°C = (°F - 32) * 5/9
Using this formula, to convert 85°F to Celsius:
°C = (85 - 32) * 5/9
°C = 53 * 5/9
°C ≈ 29.4
This conversion is often used when dealing with scientific or international temperature scales, or when comparing temperatures in different geographic locations. It is important to remember that Celsius and Fahrenheit are two different temperature scales, Celsius is used extensively around the world while Fahrenheit is used more frequently in the United States and some other countries.
Therefore, 85°F is approximately equal to 29.4°C.
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2. A dominant gene causes yellow color in rats. The dominant allele of another gene
produces a black coat color. When the 2 alleles occur together, they are co-
dominant and produce a gray coat color. If a gray male and a yellow female are
mated, what color would you expect in the offspring?
Rats' yellow hue is caused by the dominant allele A. Black coat color results from the dominant allele of R, an independent gene. Gray results from the interaction of the two dominants when they co-occur (A/_ R/_). Cream-colored rats belong to the genotype a/a r/r.
Why does the dominant allele contribute to the phenotype?In people who only have one copy of the allele, which can come from one parent, a dominant allele results in a dominant phenotype. A recessive allele requires two copies—one from each parent—in order to result in a recessive phenotype in the individual.
What does a dominant allele mean?When an allele is present in an organism, its trait always manifests itself as a dominant allele. It is spelled as XX or Xx.
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MULTIPLE CHOICE
Question 11
1 Points
Substance A is converted to substance B in a chemi-
cal reaction. Which statement BEST describes the
role of an enzyme during this reaction?
Substance A is converted to substance B in a chemical reaction. it adjusts the ph of the reaction medium. this statement best describes the role of an enzyme during this reaction.
What is ph?The H+ ion concentration's negative logarithm is known as pH. As a result, the meaning of pH is justified as the strength of hydrogen.
Although less apparent, the mathematical definition of pH is more beneficial overall. It claims that the pH is equal to the negative logarithmic value of the hydrogen ion (H+) concentration.
[H+] = -log pH
The pH of a water source depends on how acidic or alkaline it is. The activity of the hydrogen atoms determines the pH level since this activity is a reliable predictor of the acidity or alkalinity of the water. The pH scale has a range of 0 to 14, with 7.0 being neutral, as may be seen below. According to conventional wisdom, water with a low pH is acidic, whereas water with a high pH is basic (alkaline). The pH of pure water should be 7.0, however because of the impurities in the water, water supplies appears acidic.
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Explain how energy drives the cycling of matter in photosynthesis and cellular respiration.
How does mitosis help our sequoia tree become so big?
Question 5 options:
Mitosis makes gametes that are genetically different in order to produce seeds for the next generation of sequoia trees.
Mitosis is a process that starts with a stem cell that becomes a specialized cell(s) to carry out the complex processes of life needed to sustain the sequoia tree.
Mitosis makes more cells to repair or replace dead or damaged cells, and it makes more cells to help the tree grow.
All of the above
Mitosis helps sequoia tree become so big in the following way: Mitosis makes more cells to repair or replace dead or damaged cells, and it makes more cells to help the tree grow (option C).
What is mitosis?Mitosis is the division of a cell nucleus in which the genome is copied and separated into two identical halves. It is normally followed by cell division.
Mitosis is opposed to meiosis, which is a cell division that produces gametes by the dividing a diploid cell into four haploid cells.
Mitosis is retains the number of chromosomes of the parent cell in the offsprings. Mitosis describes the duplication and distribution of chromosomes, the structures that carry the genetic information.
One of the major functions of mitosis is the repair or replacement of damaged cells, hence, by so doing creates more and more cells that makes a living organisms grow in size.
Therefore, the sequoia tree mentioned will become big because of the activities of the mitotic process.
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To Telecommunicate is to (select one)
To telecommunicate is to transmit information electronically.
What is Telecommunication?This is referred to as the process in which information is transmitted through various types of technologies such as wire optical etc or other electromagnetic systems. It also brought about new discoveries such as the internet and phones.
This method is mostly used in today's world and has replaced the older means which involves writing letters or using of signals to convey an information because it is a very fast and safe means of exchanging information between two or more people and can travel very long distances thereby making it the most appropriate choice.
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An alligator and 4 turtles lying in the middle of a golf fairway is an example of a(n)
Answer:
alligator and turtles sitting in a golf fairway
What’s the correct answer answer asap for brainlist
Answer:
C.
so that u don't have to replicate the experiment
Describe the system that exposed the amphibians to wastewater and how it affects the local environment and wildlife.
The system which exposed the amphibians to wastewater is the cloaca which alone functions as an excretory, digestive and reproductive system.
How the cloaca affects the local environment and wildlife of amphibiansThis adaptive structure; cloaca of the amphibians affect the environment by means of the nature of their excretory substances through nutrients cycling and its decomposition.
That being said, amphibians belong to those groups of animals with backbones; that is, they are also vertebrates.
In conclusion, it can be deduced from the simple explanation given above that the cloaca help the amphibians to get rid of toxic nitrogenous substances out of their body.
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Beetroot cells contain a family of dark red pigments called betalains. The selectively permeable nature of the beetroot cells keeps the internal environment of the cell separate from the external environment of the cell. Researchers are interested in determining whether the selective permeability of beetroot cells is due to the cell membrane or if it is due to the cell wall.
Exposure to cellulase is known to damage the structure of the cell wall. An experiment is set up in which beetroot cells are placed in an aqueous solution with cellulase and in one without cellulase.
Which of the following results best refutes the alternative hypothesis that selective permeability is a consequence of the cell wall?
A. When beetroot cells are placed in a solution with cellulase, the solution turns dark red.
B. When beetroot cells are placed in a solution with cellulase, the solution remains clear.
C. When beetroot cells are placed in a solution, it turns dark red with or without cellulase present.
D. Since plant cells contain cell membranes, not cell walls, the alternate hypothesis cannot be tested.
The result that refutes the alternative hypothesis that selective permeability is a consequence of the cell wall is: B. When beetroot cells are placed in a solution containing cellulase, the solution remains clear.
Cell wall is a characteristic specific to the plant cells. These do not exist in the animal cells. Cell wall is made up of dead cells and provide the cell structure support and mechanical strength. The plant cell wall has a composition of cellulose, hemicellulose and pectin.
Semi-permeability is the feature of any membrane where it allows the passage of only few substances through it. In living cells, this characteristics can be found in cell membrane only and not in cell wall.
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Multicellular organisms tend to be
made of...
A. eukaryotic cells.
B. cells with different DNA from each other.
C. prokaryotic cells.
The correct answer is A. Eukaryotic cells are capable of specialization and forming multicellular organisms. Both prokaryotic and eukaryotic cells are capable of symbiosis, photosynthesis, and storing DNA.
Explanation:
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Spartina is a plant that grows in salt marshes. It stores salt in its roots, making the root have a higher salt concentration than the water around them. What is most likely to occur in response to this concentration of salt in the roots?
A. Water moves out of the leave into the air
B. Nutrients move out of the roots
C. Salt moves into the roots
D. The plants are not in homeostasis so they die
F. Water moves into the roots
Spartina is a plant that grows in salt marshes. It stores salt in its roots, making the root have a higher salt concentration than the water around them. Water moves into the roots is most likely to occur in response to this concentration of salt in the roots.
The grass family taxon Spartina is typically seen in coastal salt marshes. One or two species also occur on the western coast of North America and in freshwater habitats inland in the Americas. Its species, also known as cordgrass or cord-grass, are native to the coasts of the Atlantic Ocean in western and southern Europe, north-western and southern Africa, the Americas, and the islands of the southern Atlantic Ocean. The east coasts of North and South America, notably Florida, have the greatest species variety. Particularly in coastal salt marshes, they establish sizable, frequently dense colonies and expand swiftly. The species' height ranges from 0.3-2 m. Several of the species will create hybrids if they interbreed.
The propensity of Spartina species to hybridize is widely documented. Late in the eighteenth century, S. Southern England unintentionally received alterniflora from North America. It quickly bred with the only local species, S, here. maritima produced a sterile but robust hybrid known as Spartina X townsendii that had the ability to propagate vegetatively (as can all Spartina species). This hybrid eventually underwent chromosomal duplication, becoming fertile. Although Spartina townsendii var. anglica is the preferred name for this species, it is also referred to as S occasionally. anglica, which is now the predominant Spartina species in the majority of salt marshes in the United Kingdom.
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Which of the following indicates the
amount of individuals which can live
comfortably in a particular area?
A. emigration
B. immigration
C. population growth
D. carrying capacity
Biological transmission differs from mechanical transmission in that biological transmission?
a. occurs when a pathogen is carried on the feet of an insect.
b. involves reproduction of a pathogen in an arthropod vector prior to transmission,
c. works only with noncommunicable diseases.
d. requires direct contact
Biological transmission differs from mechanical transmission in that biological transmission option B: involves reproduction of a pathogen in an arthropod vector prior to transmission.
When a pathogen reproduces inside a biological vector that spreads it from one host to another, it is said to have undergone biological transmission. The primary carriers of biological transmission are arthropods.
The fundamental distinction between mechanical and biological transmission is that during mechanical transmission, agents are simply transferred from an infected host or contaminated substrate to a susceptible host. During biological transmission, the agent develops and/or propagates within the vector.
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