Identify the stage of cellular respiration in which each of the following takes place. Produces 32 ATP molecules Creates four ATP molecules, but then gains overall only two Gives off carbon dioxide Gives off water Produces two ATP molecules

89%

Explanation:

89% of the world is water whereas the other 11% is land.

Answer:

2

Explanation:

on L.H.S no of hydrogen atoms is 2

and no. of fluorine atoms are 2 .

Hence ,

in order to balance this equation we need to make the hydrogen and fluorine atoms equal on both left and right hand side which can be done by filling the blank with value 2.

Answer:

The extinction you are referring to is unclear, as there have been several mass extinctions throughout Earth's history. However, it is generally accepted that climate has played a significant role in many of these events. Prior to some of the mass extinctions, such as the Permian-Triassic extinction and the Cretaceous-Paleogene extinction, the climate was warm and tropical with high levels of carbon dioxide in the atmosphere. This warm climate was likely a contributing factor to the extinction, as it may have led to changes in sea level, ocean circulation, and weather patterns that disrupted ecosystems and caused widespread extinction of species. However, it is important to note that climate is just one of many factors that can contribute to mass extinction events, and there are often multiple causes involved.

Explanation:

Precautions:

1. Proper handling of drosophila: It is important to handle drosophila with care, avoiding rough handling and exposure to extreme temperatures.

2. Keeping the experimental setup clean: The experimental setup should be kept clean to avoid contamination and the spread of diseases.

3. Selection of appropriate crosses: The selection of appropriate crosses should be done carefully to obtain accurate results.

4. Use of appropriate food and media: The use of appropriate food and media is crucial for the growth and survival of drosophila.

5. Proper labeling and record-keeping: Proper labeling and record-keeping of experimental setups and crosses help to keep track of the results.

Sources of Error:

1. Mutation: Mutation can occur randomly in drosophila, leading to unpredictable and unexpected results.

2. Environmental factors: Environmental factors such as temperature and humidity can affect the growth and development of drosophila, leading to inaccurate results.

3. Contamination: Contamination with other organisms or pathogens can affect the results of the experiment.

4. Cross-contamination: Cross-contamination of different drosophila strains can affect the results of the experiment.

5. Human error: Human error, such as incorrect labeling or accidental mixing of samples, can affect the accuracy of the results.

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Answer:

Pine seeds develop in the bracts of the female pine cone and are not surrounded by fruit. The apple seed grows in the ovary of the apple flower and is surrounded by a fleshy wall that grows into the fruit.

Explanation:

How does the pine tree reproduce?

Male pine cones produce pollen, which is like a powder. The male cones release their pollen, which is carried around the air by blowing wind, and hopefully to another female pine cone on a different pine tree. If the pollen reaches a female pine cone, this process is called pollination

How does an apple tree reproduce?

Flowering plants --including the apple tree--reproduce by transferring pollen from the male organ or stamen of one blossom to the female organ or pistil of another. Some flowering plants require no pollinating partner--the flowers are sel- fertilizing.

Answer:

(a) The rate of oxygen consumption will decrease.

Explanation:

The rate of oxygen consumption will decrease due to the Potassium cyanide which inhibits both utilization of oxygen by the cell as well as ATP production. Cytochrome performs an important function in the mitochondria of the cell which is the production of ATP. Cyanide binds to the cytochrome and inhibits the ATP production that is performed by mitochondria of the cell. So Potassium cyanide decreases the rate of oxygen consumption in mitochondria.

Answer:

D. They rented farmland from white landowners.

Explanation:

Answer:

They rented farmland from white landowners.

Explanation:

I took the test

The marine life can survive in these extremely frigid climatic circumstances at the poles when the ocean's surface water gets a little bit warmer.

Downwelling is the process through which warm, light, dense water rises to the top and cold, heavy, and thick water sinks into the ocean floor. Downwelling causes oxygen-rich water to ascend to the surface where it is carried by the high density water that rises to the sea's surface, allowing marine life to breathe freely. Additionally, when the ocean's surface water gets a little warmer, marine life can survive in the polar regions' extremely harsh climates a little easier.

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Answer:

the answer is A liver cells possess transcriptional activators that are different from those of lens cells

Explanation:

Answer:

2KNO3

Explanation:

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From the equation of reaction, the other product during the replacement reaction of silver nitrate and potassium sulfate is potassium nitrate, KNO₃.

In the replacement reaction of silver nitrate and potassium sulfate, the products are silver sulfate and potassium nitrate.

Silver sulfate is insoluble and comes out of solution as a precipitate.

The equation of the reaction is given below:

Therefore, the other product during the replacement reaction of silver nitrate and potassium sulfate is potassium nitrate, KNO₃.

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Answer:

The answer is A

Maintaining fluid balance

Explanation:

the lymphatic system is in charge of gettin out extra liquids in the body.

This I right, I took the test three times and got it right.
The picture below is prove that I got it right!

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Good luck in your exam <3

Answer:

They are all monosaccharides

The organ with the germ layer is formed Ectoderm, Mesoderm, and Endoderm.

Matching organs with the germ layer from which they are formed:

1. Ectoderm:

Skin (including the epidermis and nervous system): The ectoderm is the outermost germ layer and gives rise to the epidermis, which is the outer layer of the skin. It also gives rise to the nervous system, including the brain, spinal cord, and peripheral nerves. The ectoderm is responsible for the formation of structures such as hair, nails, sweat glands, tooth enamel, the lens of the eye, and the inner ear.

2. Mesoderm:

3. Endoderm:

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Answer:

D16.5 degree F. Explanation : when x = 9: y = 25.2 + 3.3(9) = 54.9 deg. when x = 5 more chirps or 14: y = 25.2 + 3.3(14) = 71.4 deg. 71.4 - 54.9 = 16.5 deg.

Explanation:

ok

The first cricket: the sky's the limit. 9 chirps in a quarter of a minute, or 15 seconds, are equivalent to 36 chirps in 60 seconds. In the same amount of time, the first cricket makes 12 chirps.

When x = 9: y = 25.2 + 3.3(9) = 54.9 deg. When x = 5 more chirps or 14: y = 25.2 + 3.3(14) = 71.4 deg. 71.4 – 54.9 = 16.5 deg.

As the temperature rises, it gets simpler to reach a particular activation energy, which speeds up chemical processes like the one that causes a cricket to chirp.

On the other hand, as the temperature drops, the reaction speeds slow and the chirping also decreases.

Although the amount of light has no bearing on their chirp, temperature does: warmer air causes a faster chirp.

The number of cricket chirps over a 15-second period multiplied by 37 will often give you the temperature in degrees Fahrenheit.

Therefore, The cricket is chirping because of the vibrations produced while the scraper is moved along the file.

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Answer:

nervous system is mainly affected by a stroke

One example of an abiotic element in an aquarium ecosystem is water temperature.

Abiotic factors, or the non-living components of an ecosystem, have an effect on their surroundings. Examples include the earth's temperature, light, and water. Salinity and ocean currents are two examples of abiotic elements in a marine ecosystem.

The biotic and abiotic components that affect the abundance and distribution of fish species are impacted by climatic variables. Water temperature, salinity, nutrients, sea level, the present, and the amount of sea ice are abiotic elements that could all be impacted by climate change.

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the labels to identify the structural components of a peripheral nerve.

The cranial nerves, which are related to the brain and innervate the head, the spinal nerves, which are connected to the spinal cord and innervate the rest of the body, and the ganglia make up the peripheral nervous system (collections of neuron cell bodies in the PNS).

The complete network of nerves outside the central nervous system is known as the peripheral nervous system. It covers the entire body, from the top of the head to the tips of the fingers and toes, including every area of skin.

The afferent (sensory) and efferent (motor) divisions of the peripheral nervous system are further divisions of the peripheral nervous system.

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Answer:

A. Average plant height increases with an increase in the concentration of sodium phosphate until the plants reach a maximum possible height.

Explanation:

The graph in the attachment section portrays the average height of plants (cm) on the y-axis plotted against the concentration of sodium phoshate (mg/L) on the x-axis. Based on the observation of the result in the graph, an increase in the concentration of phosphate caused an increase in the average plant height (as depicted by the upward-sloping line).

However, the plant's average height didn't go beyond 35cm despite an increase in concentration of phosphate. This is because the plants has reached a maximum possible height i.e. a height climax. Hence, they cannot grow taller than 35cm no matter the amount of external nutrients (sodium phosphate) supplied.

Therefore, the noticeable trend that can be used to make a conclusion is that average plant height increases with an increase in the concentration of sodium phosphate until the plants reach a maximum possible height.

The infectious diseases that are a challenge to form a vaccine for due to their constant mutations are:

Both influenza and HIV are known for their high mutation rates, which can result in new strains of the virus that are different from those targeted by existing vaccines. This makes it difficult to develop vaccines that are effective against all strains of the virus, and necessitates the development of new vaccines as the viruses mutate and evolve over time.

Measles and polio, on the other hand, have been successfully controlled by vaccines. The measles vaccine is highly effective, and has been instrumental in reducing the incidence of measles worldwide.

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Answer:

Explanation:

The complementary strand of DNA is formed by pairing each nucleotide with its complementary base. The complementary base pairs are adenine (A) with thymine (T), and cytosine (C) with guanine (G).

So, for the given sequence C-A-A-G-T-G-G-C-T, the complementary strand can be determined by pairing each base with its complement:

C-A-A-G-T-G-G-C-T

G-T-T-C-A-C-C-G-A

Therefore, the sequence of the complementary strand is G-T-T-C-A-C-C-G-A.

Answer:

A,C,F

Explanation:

Answer:

The answer is  A.)touring work areas to observe work, C.) managing nurseries, and F.) identifying plants and problems with them

Explanation:

Answer:

The correct answer is - 6. natural resources readily available.

Explanation:

Georgia is the region with a large lands and water availablity for the farming and industries of the cotton and the cotton is also found in the higher ammount cotton farming that produces plenty of cotton.

Other than this there are other natural resources available water, land, environmental conditions apropraite for the cotton and there are large number of labour with very low expenses. All this helps in operating the cotton mill.

The conservation of genes that encode specific morphological characteristics between different species gives an evidence that supports understanding of evolution.

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The most appropriate research question that Stanley could use to guide his search for information on the impact of using paper bags versus plastic bags is: Do paper bags cause less pollution than plastic bags? Therefore the correct option is option D.

This question directly addresses the environmental effect of paper and plastic bags, which is a major point of contention in the argument over which type of bag to use.

It is also a focused and specific research question that can help Stanley direct his research and draw clear conclusions based on the evidence he discovers. Therefore the correct option is option D.

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Active transport and facilitated diffusion are two different mechanisms of moving substances across a cell membrane, with key differences in energy requirement, direction of movement, and specificity.

What is an active transport ?

Active transport is the movement of molecules or ions across a membrane against their concentration gradient, which requires energy in the form of ATP (adenosine triphosphate). Active transport can move substances from an area of low concentration to an area of high concentration, and it is often used by cells to maintain concentration gradients and perform functions like nutrient uptake and waste removal.

Facilitated diffusion, on the other hand, is the passive movement of molecules or ions across a membrane with the help of transport proteins. Facilitated diffusion moves molecules or ions from an area of high concentration to an area of low concentration, following the concentration gradient, and does not require energy input from the cell. Facilitated diffusion is often used to transport large or charged molecules that cannot diffuse across the membrane on their own.

Another key difference between active transport and facilitated diffusion is specificity. Active transport requires specific transport proteins, called pumps, that are designed to move specific molecules or ions. In contrast, facilitated diffusion can use a variety of transport proteins that are specific to certain molecules or ions, but can often transport a range of similar molecules.

In summary, the main differences between active transport and facilitated diffusion are that active transport requires energy input and can move substances against their concentration gradient, while facilitated diffusion is passive and moves substances along their concentration gradient. Additionally, active transport requires specific transport proteins and can be highly selective, while facilitated diffusion is less selective and can use a variety of transport proteins.

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Here, the hypothesis is "plants communicate with their neighbors in response to stress", dependent variable is the amount of the stress hormone in the plants, and the independent variable is the exposure to stress (applied 3 times a day for 10 days), standardized variables are plants used, duration of the stressor, amount of stress hormone. The control group is the plant that is not exposed to stressor.

Here, the control group is the group of plants that are not exposed to stress, and the control groups plants are experimented or tested with the other plants to get the result of the stress hormone on the plants.

Hence, here, the hypothesis is "plants communicate with their neighbors in response to stress", dependent variable is the amount of the stress hormone in the plants, and the independent variable is the exposure to stress (applied 3 times a day for 10 days), standardized variables are plants used, duration of the stressor, amount of stress hormone. The control group is the plant that is not exposed to stressor.

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Answer:

c

Explanation:

i did this one two

Answer:

c

Explanation:

The bird will get 10 kcals of energy