2 questions- Replication Practice (remember: A pairs with T, and G pairs with C)

1. ATGGGCTACGAAT
DNA:
Replicated Strand:

2. TGCGCTATATCCG
DNA:
Replicated Strand:

Answer:

lipid

Explanation:

they also contain oxygen,nitrogen,sulfur and phosphorous.

Answer:

True

Explanation:

The surface area of the cell is 96μm², the volume of the cell is 64 μm³ and the surface area-to-volume ratio is 1.5 μm⁻¹.

The surface area of the cell is the area which is occupied by the surface of the object. The surface area of the cell with six sides of equal measurement = 4 μm.

Surface area of the cell can be calculated by the formula:

Surface area = length × width × number of sides

Surface area = 4 μm × 4 μm × 6

Surface area = 16 μm² × 6

Surface area = 96 μm²

The volume of the cell is the capacity of the cell. It is how much space is present inside the cell.

The volume of the cell with side 4 μm can be calculated by the formula:

Volume = length × width × height

Volume = 4 μm × 4 μm × 4 μm

Volume = 64 μm³

The surface area-to-volume ratio is the surface area divided by the volume of the cell. This indicates how much surface area is available compared to how big or the capacity of the cell is.

The Surface area: Volume ratio can be calculated as:

Ratio = 96 μm²: 64 μm³

Surface area-to-volume ratio = 1.5 μm⁻¹

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Answer: 96, 64, and 3:2.

Explanation: did the checkpoints and got it right.

Please find the correct answers to fill in the given blanks below:

11. Scientific notation for:

a. 10240 = 1.02 x [tex]10^{4}[/tex]

b. 4.98×[tex]10^{2}[/tex] = 4.98×[tex]10^{2}[/tex] ; it remains the same because it is accurate according to the rules of writing scientific notation.

12. The temperature scale that is typically not used for scientific measurements is option c. Centigrade.

13. Between freezing and boiling on the Celsius scale, there are (100 - 0) = 100 degrees.

14. The given statement about the developer of the Celsius scale is True. It was developed by Anders Celsius.

15. True, at 0 K, there is absolutely no molecular motion. This is known as absolute zero.

16. Kinetic energy

An object's kinetic energy is the power it has as a result of motion. It is explained as the amount of effort required to move a mass-based body from rest to the indicated velocity. The body keeps its kinetic energy, which it acquired during acceleration unless its speed changes.

17. The average kinetic energy of the particles in a substance is measured by its temperature.

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Atoms that have gained or lost electrons are called ions (cation and anion).

An atom is a unit of matter that specifically characterizes a chemical element. One or more negatively charged electrons surround the core nucleus of an atom, which is made up of all of them. One or more protons and neutrons, which are comparatively heavy particles, can be found in the positively charged nucleus.

The fundamental units of matter are called atoms. Atoms make up anything that has mass and occupies space.

The atomic mass, also known as the atomic weight, is the sum of the masses of the protons, neutrons, and electrons in an atom. In atomic mass units, the weight or mass of an atom is expressed.

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Communism (from the Latin communis) is an ideology and a political, philosophical, social and economic movement whose end is the establishment of an objective communist society, that is, a socioeconomic order structured under the ideas of egalitarianism, common ownership of the means of production and in the absence of social classes.

In Marxist thought, a communist society or communist system is a type of society and economic system postulated to emerge from technological advances in the productive forces, it is characterized by common ownership with free access to the means of production, to articles of consumption and, without the existence of division

Whit this information we can conclude that A communist party is a political party whose objective is the political, social, cultural and economic application of the principles of Communism through a government.

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Independent variable - Location of the natural park

Dependent variable - The temperature of the area

Constant - Time over which the measurement is taken.

Materials - Thermometer

The term experiment refers to the times in which we try to obtain the effect of the independent variable on the dependent variable. The variable that we manipulate in an experiment is the independent variable while the variable that is altered as we conduct the experiment is the dependent variable.

Now we are trying to perform an experiment that tends to evaluate the effect of the presence of natural parks around urban areas  on the temperature of these areas.

In this case, we have to make a list of at least five natural parks that are located around urban areas and monitor the temperature over each of the areas at regular intervals over a fixed period of time.

In this case;

Independent variable - Location of the natural park

Dependent variable - The temperature of the area

Constant - Time over which the measurement is taken.

Materials - Thermometer

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Answer:  Force, F = 10.5 N

Explanation:

Given that,

Mass of the soccer ball, m = 0.42 kg

Acceleration of the soccer ball,

Let F is the force acting on the soccer ball. It can be calculated using second law of motion. Its mathematical form is given by :

F = 10.5 N

So, the force acting on the soccer ball is 10.5 N. Hence, this is the required solution.

Sorry i just love soccer, i on a soccer team myself!

El Niño events are indicated by sea surface temperature increases of more than 0.9° Fahrenheit for at least five successive three-month seasons. The intensity of El Niño events varies from weak temperature increases (about 4–5° F) with only moderate local effects on weather and climate to very strong increases (14–18° F) associated with worldwide climatic changes.

The El Niño-Southern Oscillation (ENSO) is a recurring climate pattern involving changes in the temperature of waters in the central and eastern tropical Pacific Ocean.

Whit this information we can conclude that An El Niño condition occurs when surface water in the equatorial Pacific becomes warmer than average and east winds blow weaker than normal. The opposite condition is called La Niña. During this phase of ENSO, the water is cooler than normal and the east winds are stronger. El Niños typically occur every 3 to 5 years.

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Yes, this is an example of a stable ecosystem because the population of plants which is disturbed will recover again.

A population in an ecosystem can survive a disturbance because of its resistance or its resilience. Resistance refers to the ability of a population to tolerate the disturbance while on the other hand, the resilience refers to the ability to recover a population after suffering from the disturbance. Stability of an ecosystem is defined as to the capability of a natural system to do self-regulating mechanisms in order to return to a steady state after disturbance occurrence of disturbance.

So we can conclude that Yes, this is an example of a stable ecosystem because the population of plants which is disturbed will recover again.

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Diabetes mellitus (DM) is a syndrome of etiology, which is the result of the inability of insulin and/or lack of insulin to properly exercise its purposes. It is characterized by hyperglycemia with disturbances in the metabolism of carbohydrates, lipids and proteins. The difference between type 1 diabetes and type 2 diabetes lies in the fact that, in the first case, there is a reduction or lack of insulin production; in the second, the organism develops resistance to the action of this hormone. Diabetes mellitus is a disease characterized by an increase in blood glucose levels.

Type 1 diabetes mellitus, like type 2, is characterized by excess glucose (sugar) in the blood, which triggers a series of complications in the body. But, in this case, the disease usually appears in childhood and adolescence, brings symptoms such as the urge to urinate and weight loss, and has an autoimmune origin.

Type 2 diabetes is characterized by insufficient production of insulin by the pancreas, or the body's inability to use the insulin produced efficiently. It is more common in people over 40, overweight, sedentary, without healthy eating habits.

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Answer: B

Explanation:  body's natural defenses — the immune system — attack the body's own healthy tissue

Answer: BO YOUR LAZY!

Explanation:

Answer:

Studying the climate helps us predict how much rain the next winter might bring, or how far sea levels will rise due to warmer sea temperatures. We can also see which regions are most likely to be affected by extreme weather, or which wildlife species are threatened by climate change.

Explanation:

Answer: these are the carbohydrates, lipids (or fats), proteins, and nucleic acids.

All the monosaccharides have the formula as (CH2O) n. Here, the two hydrogen atoms and one oxygen atom associate itself to the central carbon molecule. A hydroxyl group is formed when oxygen will bond with hydrogen. Several carbon molecules bond together because 4 bonds can form on carbon.

The structure of disaccharide is much similar to that of a monosaccharide. They also consist of multiple hydroxyl groups and a functional group that could be an aldehyde or a ketone. The only difference is the presence of a glycosidic bridge connecting the two molecules.

a phosphate group, a 5-carbon sugar, and a nitrogenous base.

their atoms are connected in different orders.

An enzyme is a substance that acts as a catalyst in living organisms, regulating the rate at which chemical reactions proceed without itself being altered in the process. The biological processes that occur within all living organisms are chemical reactions, and most are regulated by enzymes.

the enzyme is able to participate in other reactions

Explanation:

The parts of the brain that are being used when talking to a friend include the following: Cerebrum, Broca’s area, Wernicke’s area, Arcuate fasciculus, and cerebellum.

What is a brain?

The brain is the major organ of the central nervous system that helps in the coordination of various parts of the body.

The parts of the brain that are involved during a conversation with another individual include the following:

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Rudolf Virchow's work resulted in the claim that all cells come from preexisting cells and it impacted the creation of cell theory by adding to our understanding of cells, completing the claims in cell theory.

This is referred to as the smallest unit of life and undergoes aggregation to form tissues. It has different types and is present in all living organisms which ensures various functions are met for survival.

Rudolf Virchow was a scientist who was able to prove that cells come from preexisting cells and it impacted how the cell theory was created which states that it is the smallest unit of life.

Virchow's work was able to add  to our understanding of cells and is therefore the reason why option D was chosen as the most appropriate choice.

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Answer:

It added to our understanding of cells, completing the claims in cell theory.

Explanation:

The evidence that matches the review is; Spores don't need to eat and can live under water.

In the scientific parlance, the term evidence entails a proof. It is something that confirms that an assertion is true. The only way that valid evidence could be obtained in science is by conducting an experiment. The experiment must be controlled and the factors that are tested must be adequately randomized to ensure the reliability of the results that we obtain from such a test.

In this case, we need evidence that could prove or disprove the fact that spores are able to survive washing. This prove would be fitted into the evidence section of the cart in the question.

The most valid evidence among the options is that; spores don't need to eat and can live under water.

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Trees are the plants that are found most abundant plants and they live in an ecosystem called the forest.

The elevating levels of carbon dioxide in the atmosphere cause both positive and negative effects. In plants, the process of photosynthesis is rapid thus, leading to greater production of biomass.

The concentration of CO₂ is increasing due to many factors, from 280 ppm to 400ppm. These as mentioned have both negative and positive responses.

The positive is that the plants undergo rapid photosynthesis and increase the levels of biomass. But there is a negative aspect which we should be concerned about the quality of crops such as nutrients protein concentration, etc.

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Circumstances in which it may be useful to change several components/factors simultaneously during an experiment for separate replicates to account for natural and temporal alternations, regardless of time period or logistical difference.

Repeating an experiment more than once helps determine if the data was a fluke, or represents the normal case. It helps guard against jumping to conclusions without enough evidence. The number of repeats depends on many factors, including the spread of the data and the availability of resources.

With this information, we can conclude that A variable is anything that can change or be changed. In other words, it is any factor that can be manipulated, controlled for, or measured in an experiment.

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Students are investigating the distribution of dandelions using quadrats. The students could during their investigation is they can do the pH test and the effect if it is happening or not.

pH is the measurement of the acidity or alkalinity of a substance. PH is a scale that marks from 0 to 12. The substance above 7 is acidic and the substance that is basic comes after 7. 7 is the number for neutral, which is pure water. The pH test is very easy to conduct.

To be sure that pH of the soil will not affect the distribution of dandelions. They first test the pH of the soil.

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Diffusion of responsibility is a theory that can be applied to the study of social psychology to explain the bystander effect. This theory states that we are less inclined to assist a stranger in a crowd because we delegate the task to other people there.

The diffusion of responsibility hypothesis claims that we are less inclined to assist a victim in a crowd who we do not know because we believe that assistance will come from people who are familiar with the victim. According to the social psychology concept of Diffusion of Responsibility, being around others makes a person feel less in control or accountable, which makes them believe that someone else, who is more responsible, is already taking care of the situation. Diffusion of responsibility theory is demonstrated in a variety of situations, from failing to intervene when you see someone trip and cry out in agony on the sidewalk to the Holocaust committed by Nazi Germany and its allies against the European Jews during World War II.

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