Answer:
From largest to smallest, this hierarchy includes eons, eras, periods, epochs, and ages.
Explanation:
All of these are displayed in the portion of the geologic time scale shown below. The Phanerozoic Eon represents the time during which the majority of macroscopic organisms — algae, fungi, plants and animals — lived.
Answer:
A unit of time or midst unit is any particular time interval, used as a standard way of measuring or expressing duration. The base unit of time in the International System of Units (SI) and by extension most of the Western world, is the second, defined as about 9 billion oscillations of the caesium atom. The exact modern definition, from the National Institute of Standards and Technology is: "The duration of 9192631770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom."[1]
this whole lab is about using differential media and tests to help characterize and identify unknown pathogenic cocci. why is just staining insufficient to identify one of these pathogens?
Just staining is insufficient to identify one of these pathogens because staining techniques, such as Gram staining, provide only limited information about the cell structure and morphology of bacteria.
While staining can help differentiate between Gram-positive and Gram-negative cocci based on the cell wall composition, it does not provide specific information about the species or strain of the bacteria. Identification of pathogenic cocci requires a more comprehensive approach that includes differential media and tests. These methods involve culturing the bacteria on specific media that encourage the growth of certain pathogens while inhibiting others. Additionally, various biochemical and enzymatic tests are performed to evaluate specific metabolic pathways, enzyme production, and other characteristics unique to different species or strains of cocci By using differential media and tests, it becomes possible to observe specific reactions and patterns that aid in the identification and characterization of the unknown pathogenic cocci. These methods provide a more accurate and detailed understanding of the bacteria's properties, allowing for targeted treatment strategies and appropriate public health measures.
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Look at the following diagram and answer the questions:
a. What type of passive transport is taking place in this cell? Justify your answer.
b. What type of solution is this cell in (isotonic, hypertonic, or hypotonic)? Justify your answer.
c. Will Glucose molecules enter or leave the cell? Justify your answer.
For the following:
a. The type of passive transport taking place in this cell is simple diffusion.b. The solution that the cell is in is hypotonic. c. The glucose molecules will enter the cell. What is inclusive in the cells?a. Simple diffusion is the movement of molecules from an area of high concentration to an area of low concentration. In the diagram, the glucose molecules are more concentrated outside the cell than they are inside the cell. This means that the glucose molecules will diffuse from the area of high concentration (outside the cell) to the area of low concentration (inside the cell).
b. A hypotonic solution is a solution that has a lower solute concentration than the cell. This means that the water molecules in the solution will move into the cell by osmosis. Osmosis is the movement of water molecules from an area of high water concentration to an area of low water concentration.
c. This is because the glucose molecules are more concentrated outside the cell than they are inside the cell. As a result, the glucose molecules will diffuse from the area of high concentration (outside the cell) to the area of low concentration (inside the cell).
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What type of reaction releases heat into the surrounding environment?.
Exothermic reactions release heat into the surrounding environment, resulting in a temperature increase in the surroundings.
Exothermic reactions are chemical or physical processes that release energy in the form of heat into the surrounding environment. During an exothermic reaction, the total energy of the reactants is higher than that of the products, resulting in the release of excess energy in the form of heat. This heat is transferred to the surroundings, increasing the temperature of the surrounding medium. Common examples of exothermic reactions include combustion reactions, where a fuel reacts with oxygen to produce heat and light, and certain chemical reactions, such as the neutralization of an acid and a base. The release of heat during exothermic reactions can have various practical applications, such as heating systems, energy production, and chemical reactions used in industry.
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Which fossil fuel contributes 13 percent of the electricity in the United States?
coal
oil
natural gas
methane
Answer:
although no longer accurate today, the answer is most likely a.) coal.
Explanation:
hope this helps!
What surrounds a bacteria cell and allows a cell wall to escape predation by other cells?
SOMEONE HELP ME PLEASE AND I WILL NAME YOU THE BRAINLYEST!!!
1. H
2. E
3. F
4. A
5. G
6. M
7. D
8. J
9. L
10. C
11. B
12. K
13. I
they're in the same order as your diagram.
Answer:
Give boltie brainliest she actually did the work unlike me :p
Explanation:
As any type of wave travels through a medium, what is true about the particles in the medium?
1)The particles of the medium are not carried along with the wave.
2)The particles of the medium move back and forth and are carried with the wave.
3)The particles of the medium move in a straight line and are carried with the wave.
4)The particles of the medium move up and down and are carried with the wave
The particles of the medium move back and forth and are carried with the wave. This is known as longitudinal waves. Such as sound waves.
Longitudinal waves, also known as compressional waves, are a type of mechanical wave in which the particles of the medium move parallel to the direction of the wave's propagation. An example of this type of wave is sound waves in air or longitudinal waves in a rod.
During the propagation of the longitudinal waves, the compression and rarefaction of the medium causes the particles to oscillate back and forth along the direction of the wave. The oscillation of the particles results in the transfer of energy through the medium, allowing the wave to propagate.
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A change is speed is called
Answer:
Im pretty sure this is acceleration
Answer: velocity
Explanation:A change in speed is a change in velocity
Describe nondisjunction and the effect it can have on a human.
Answer:
Nondisjunction forms abnormal number of chromosomes in the gametes. Nondisjunction causes human disorders in autosomes from chromosomes 1-22. The examples are Down syndrome or trisomy 21, an extra copy of chromosome 21. People with Down syndrome have 47 chromosome instead.
Answer: This is the sample response Edge 2021
It is the failure of homologous chromosomes to separate properly during gamete formation (meiosis).
Klinefelter syndrome can occur and is seen as males with gametes XXY instead of XY.
It affects sex organs, including creating smaller testes and causing sterility.
Males can be taller in stature with normal intelligence.
Explanation:
Select all the statements that correctly describe organometallic reagents.
A) These reagents contain a polar carbon-metal bond.
B) Organometallic reagents are good nucleophiles and strong bases.
C) Organometallic reagents are ionic since they contain a bond between a metal and a nonmetal.
D) Organometallic reagents are a source of electrophilic carbon.
The statements that correctly describe organometallic reagents are: (A) These reagents contain a polar carbon-metal bond; (B) Organometallic reagents are good nucleophiles and strong bases.
Organometallic reagents are those which contain a polar bond between a carbon atoms and any metallic element. The metals can be lithium, magnesium, etc. The reagents containing magnesium are particularly termed as Grignard Reagents. The other examples include tetracarbonyl nickel, dimethyl magnesium, Gilman reagents, etc.
Nucleophiles are the compounds which are simply nucleus loving. A nucleophile has the ability to donate electron pairs to electrophiles (electron loving) and thus form chemical bonds with them.
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does secondary active transport require a protein in the lipid bilayer
In secondary active transport, a common carrier protein couples the movement of sodium ions down the gradient with the upward transfer of other molecules (a cotransporter).
A solute is said to be transported in the direction of its raising electrochemical potential while a second solute—typically an ion—is assisted to diffuse in the direction of its lowering electrochemical potential. This is known as secondary active transport.
Secondary active transport can be divided into two categories: cotransport and countertransport, in which the molecules pass the membrane in the same direction. Secondary active transport refers to a method that still uses ATP.
To create the gradient but not directly use it to move the chemical across the membrane. Energy for primary active transport is obtained directly from the destruction of ATP. The energy used in secondary active transport.
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Yes , sodium ions when coupled uphill the transport of substances is done by a carrier protein or a cotransporter.
In general , during primary active transport, ATP is needed for the movement of a substance across a membrane, mediated with the membrane protein, and generally against the concentration gradient. Most similar types of active transport use to involve proteins that serve as pumps.
On the other hand Secondary active transport is known as transport of a solute in direction where the increase in electrochemical potential is facilitated upon diffusion of a second solute in the direction of its decreasing electrochemical potential.
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why do we need to follow the correct procedure in collecting sample
please don't search in Go-ogle
....................0.0
Q: Define the following terms: Species, population, habitat, community, niche, ecosystem, biotic factors, abiotic factors, biome, biosphere, lithosphere, hydrosphere, and atmosphere
A collection of organisms that have the ability to breed and create fertile progeny. a place that is home to a group of people that belong to the same species. the biotic and abiotic components of an organism's natural habitat. the biotic and abiotic components of an organism's natural habitat. living and interacting in the same environment are diverse populations of various species.
Define these terms for you:
1. Species: A group of organisms that can interbreed and produce fertile offspring.
2. Population: A group of individuals of the same species living in a particular area.
3. Habitat: The natural environment in which an organism lives, including both biotic and abiotic factors.
4. Community: Different populations of various species living and interacting in a shared environment.
5. Niche: The specific role an organism plays within its ecosystem, including its use of resources and interactions with other organisms.
6. Ecosystem: A community of living organisms and their physical environment, interacting as a system.
7. Biotic factors: Living components of an ecosystem, such as plants, animals, and microorganisms.
8. Abiotic factors: Non-living components of an ecosystem, such as temperature, water, and soil composition.
9. Biome: A large-scale ecosystem characterized by a specific climate and distinct communities of plants and animals.
10. Biosphere: The sum of all ecosystems on Earth, including all living organisms and their environments.
11. Lithosphere: The solid outer layer of Earth, including the crust and upper mantle.
12. Hydrosphere: All water found on, under, and above Earth's surface, including oceans, lakes, rivers, groundwater, and atmospheric water vapor.
13. Atmosphere: The layer of gases surrounding Earth, consisting mainly of nitrogen and oxygen, and playing a crucial role in climate and weather patterns.
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What is the mechanism by which species adapt to their environment in order to survive?
For a species to thrive, it must change with its surroundings. Natural selection is the process in question.
Natural selection is a biological process in which a species' environment promotes particular qualities and those who can reproduce and survive pass those traits on to their progeny. The population evolves and adapts to the environment throughout time to live.
For instance, a species may acquire characteristics like increased speed, improved camouflage, and stronger senses if it is exposed to predators.
A species may acquire characteristics like longer snouts, more powerful claws, and more effective digestive systems if it is exposed to a new source of food. The species gradually evolves and changes to fit its environment by passing on these advantageous qualities to future generations.
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Please help!
A. I only
B. II only
C. III only
D. I and III only
Answer:
a
Explanation:
my reason is that the capacity carrying is 35
Answer:
\(\boxed{\mathrm{A. \: I \ only}}\)
Explanation:
The graph does not mention any seasons. The graph is not growing geometrically. For about 9 months the population has been about 35.
Q1. A red cube with sides of 3 meters and a blue cube with sides of 2 meters are on a table. They
both weigh the same. Which cube exerts more pressure on the table?
Answer:
a blue cube with sides of 2 meter
Explanation:
A blue cube exerts more pressure because the surface are of a blue cube is smaller than a red cube and the smaller the surface area the more pressure it exerts.
why do birds eat different foods
Answer:
Birds will eat different foods based on their environments, and other physical factors.
Explanation:
Birds will eat different things depending on what is the most available in the environment. If there is a lot of fruit, they'll prefer that over bugs and worms. If there is a lot of bugs, they probably will go for those instead of the one or two pieces of fruit.
Physical factors weigh in as well. Birds' beaks can change over many generations to better suit the consumption of certain types of food. HUmmingbirds have long thin beaks so they can get nectar inside of flowers, and they might have a hard time eating a large fruit. Similiarly, other kinds of birds are better adapted to eating certain kinds of food too.
I hope this helps
Scientists were successful in persuading policy-makers to act on the problem of CFCs and the ozone layer, in part, because there was convincing visual satellite imagery of the problem. What types of evidence do you think will be the most persuasive in prompting policy-makers to make hard decisions about human-caused climate change?
The most compelling evidences that can engender global actions and hard decision making about human-caused climate change are empirical and verifiable evidences.
What are environmental policies?Environmental policies are those policies that tend to protect the environment from degradation and decay such as the ban on the use of CFC.
The most compelling evidences that can engender global actions and hard decision making about human-caused climate change are empirical and verifiable evidences of how these actions directly impact the global climate
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biology is hard i really need help
Answer:
B
Explanation:
I took the test and got thsi question right
ASAP PLEASE IT'S DUE IN TWO HOURS AND I HAVE NO IDEA WHAT I'M DOING!!! Can someone help me with my biology crossword puzzle?
Hope this helps!
___________________
Use qorna if you need any help on this. People On brianly would just say random words to steal ur points. Search it up, and ask people for help same thing happened to me. Its worth it trust me. They will answer all of it with vaild answers in less then 1 hour. Hope this helps <3
what is the weight of a horse? how much of this weight is made of muscle? how much force can a horse exert? from answers a. and b., deduce what is approximately the force exerted by one myosin protein!
The phrase "the net forces exerted on the horse and cart are not equal, hence they are not balanced forces" best captures the forces acting on the horse and buggy.
They are not balanced forces because the net forces acting on the horse and cart are not equal. Explanation: applying Newton's laws ΣF = ma The horse's forward force and the frictional force that opposes it are the two forces operating on the body. F-Fr= ma Therefore, F=ma+Fr As a result, the horse's forward motion is greater than its counteraction (by cart). The only time the forward force and the opposite reaction are identical is when a=0, which occurs when the body is either stationary or travelling at a constant speed. A balanced force is a kind of force that can only exist when two or more forces (net forces) operating on an object (buggy) are equal in strength and as a result, it does not cause the object to modify its velocity (acceleration).
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discuss why too much respect for the feelings of those involved in conflict may hamper your attempt to effectively resolve it
We can say that too much respect for the feelings of those involved in a conflict may hamper your attempt to effectively resolve it because it generates bias.
What is bias?Bias is the inclination to side with one individual or group over another. This can be the case in the situation described as one might have too much respect for the feelings of those involved in a conflict and thus feel identified by them, causing a bias that affects your ability to make neutral decisions that can benefit all parties involved.
Therefore, we can confirm that too much respect for the feelings of those involved in a conflict may hamper your attempt to effectively resolve it because it generates bias.
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Too much respect for the feelings of those involved in conflict may ultimately prevent such a resolver of conflicts from taking a pragmatic approach when handling the matter thereby stalling the process of conflict resolution.
What is a conflict?A conflict is a disagreement between two or more parties over a common interest. Management of conflict is a very critical skill required in administration.
Many times, a person involved in resolution of conflicts may seek not to offend the feeling's of any of the parties involved in the conflict. This will ultimately prevent such a resolver of conflicts from taking a pragmatic approach when handling the matter thereby stalling the process of conflict resolution.
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3) Give one function of Meibomian gland:
Answer:
abnormal gland function. As we know, the meibomian glands secrete the meibum responsible for the formation of the tear film's outer layer. The meibum aids in reducing the evaporation of tears from the front surface of the eye, increasing the surface tension and forming an optically superior tear meniscus.
Lab: Owl Pellets 3. What charts, tables, or drawings would clearly show what you have learned in this lab?
Food web diagram, frequency table, bar chart, skeleton identification chart, scatter plot.
What visual representations can be used to clearly convey the findings in an owl pellet lab?In a lab on owl pellets, several charts, tables, and drawings can be used to clearly present the findings and knowledge gained. Here are a few examples:
Food Web Diagram: A food web diagram can be created to show the relationships between various organisms in the ecosystem. It can illustrate the different trophic levels, including primary producers (plants), primary consumers (small mammals or insects), secondary consumers (owls), and decomposers (bacteria and fungi).Frequency Table: A frequency table can be used to display the types of prey found in the owl pellets and the number of occurrences of each prey item. This table can provide insights into the diet preferences of the owls and which prey items are more common.Bar Chart: A bar chart can be created to represent the frequency of different prey items. The x-axis can represent the prey species, and the y-axis can represent the number of occurrences or frequency. This chart allows for easy visualization of the most common prey items consumed by the owls.Skeleton Identification Chart: A chart or drawing that shows the skeletal structures of common prey species can be included. This chart can help in identifying and classifying the bones found in the owl pellets, allowing for a more detailed analysis of the prey composition.Scatter Plot: If there is additional data available, a scatter plot can be used to explore potential relationships between owl pellet size and prey consumption. This plot can show if there is a correlation between the two variables.These visual representations can effectively convey the findings and understanding gained from the lab on owl pellets.
They provide a clear and organized way to present the data and observations, facilitating better comprehension for the audience.
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Vaccine is used to establish adapted immunity. Explain how this adapted immunity is established by mRNA vaccine.
mRNA vaccines work by introducing a small piece of the virus's genetic material, called messenger RNA (mRNA), into the body. This mRNA is specifically designed to instruct cells in the body to produce a protein that is found on the surface of the virus.
Once this protein is produced, the body's immune system recognizes it as foreign and produces an immune response, including the production of antibodies and immune cells that specifically target this protein on the virus.
This creates a specific and targeted immune response that can protect against future infections by the virus, establishing adapted immunity.
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Help me please! Do 1,2,3 by filling in the blank!!!!
and no website
PLEASE HELPP HURRY PLEASE
Answer:
True
Explanation:
RNA interference (RNAI) is a mechanism of gene regulation in eukaryotes. RNAI is initiated by ____, which leads to the ____ of specific genes.
Box 1:
single-stranded RNA
double-stranded RNA
double-stranded DNA
Box 2:
silencing
induction
expression
Answer:
double-stranded RNA; silencing
Explanation:
The RNAi mechanism is a natural process of gene silencing triggered by different small non-coding RNAs such as, for example, siRNAs, miRNAs and piRNAs. RNAi is a powerful technique to induce gene silencing in a sequence-specific manner. The delivery of exogenous double-stranded RNAs (dsRNAs) can be used to induce this evolutionarily conserved mechanism. The dsRNAs first bind to RNAi core components (Ago, Piwi proteins) and then target complementary mRNAs to induce their degradation.
the nusselt number for energy transport to a fluid flowing in a circular tube depends on group of answer choices the reynolds number and the grashof number. the reynolds number and the prandtl number. the biot number and the reynolds number. the grashof number and the prandtl number.
The Nusselt number is the ratio of convective to conductive heat transfer across a boundary.
Explain the given words
Nusselt number is the ratio of convection heat transfer to pure conduction heat transfer.Reynolds number is the ratio of the inertia to the viscous forces avting on a fluid. Prandtl number is the ratio of the momentum and thermal diffusivities.For a rectangular channel, the Nusselt number depends on the channel aspect ratio αc=a/b and the wall boundary conditions.This is how Nusselt number find its use.
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Which is a function of the central nervous system? Ingenuity
Answer:
It controls all voluntary movement, such as speech and walking, and involuntary movements, such as blinking and breathing. It is also the core of our thoughts, perceptions, and emotions.
Explanation:
None.