How many different molecules of DNA make up the collection of chromosomes found in every human somatic cell?
46
23
92
all are correct

Answer:

D or B

Explanation:

I don't know if the answer is D or B

Answer:

the process in which plants convert carbon dioxide, water, and sunlight to oxygen and glucose

Explanation:

Photosynthesis is the process in which plants make food (easier explanation)

the formula of photosynthesis is : CO2 + H₂O + sunlight ⇒ O₂ + C₆H₁₂O₆

Answer:

C. Compound Light Microscope

Explanation:

Answer:

Both carbon and nitrogen cycle are types of biogeochemical cycles and tend to liberate elements from their cycles.

Explanation:

Both carbon and nitrogen cycle are types of biogeochemical cycles and tend to liberate elements from their cycles. The carbon cycle releases carbon, and the nitrogen cycle releases nitrogen into the atmosphere. 2. In both cycles, the process starts with gas and also ends in a gaseous state.

Answer:

Public perception has proven to be essential for the approval of genetically modified crops, in particular in Europe. Several surveys and focus group interviews in the United States and Europe clearly show that both intragenic and cisgenic crops are acceptable to a greater number of people than transgenic crops. Some people believe that cisgenesis should not face as much regulatory oversight as genetic modification created through transgenesis as it is possible, if not practical, to transfer alleles among closely related species even by traditional crossing. So, there is a need to use genetic techniques to improve crops over recent decades. Through the use of transgenics, one can produce plants with desired traits and even increased yields. The transgenics would allow for more crops that last longer and withstand pests and diseases.

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Explanation:

Answer: the central government is stronger in a unitary government

Explanation:

i got it wrong and it said that’s the correct one

Greenhouse gases are more complex than other gas molecules in the atmosphere, with a structure that can trap heat. Greenhouse gas molecules in the atmosphere absorb light, preventing some of it from escaping the Earth.

Carbon dioxide is Earth's most important greenhouse gas that works for  absorbing and radiating heat. Greenhouse gases absorb heat radiating from the Earth's surface and even circulate it in all directions including back toward Earth's surface.

Carbon dioxide in the atmosphere warms the planet, causing climate change. Human activities have raised the atmosphere's carbon dioxide content by 50% in less than 200 years.

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Answer:

weathering of rocks

Explanation:

Answer:

Changes in pressure

Explanation:

Sedentary rocks are rocks that are often found in hillsides or creeks that have washed away surrounding sediment.

The ocean current phenomena is to blame for this difference in air temperature between two locations.

The temperature of the air that surrounds organisms, including people, can be referred to as air temperature. The ocean's temperature rises as a result of the ocean water absorbing solar heat. Via ocean circulation, this heat is then absorbed, raising the air's temperature as well as that of the atmosphere.

The water in this area receives less low-intensity sunshine, which results in less heat being absorbed by the ocean and causes the air in Luderitz to be a little bit colder than that of Santos seas.

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The orbital period of the planet is approximately 0.54 Earth years.

To calculate the orbital period of a planet, you can use Kepler's Third Law of Planetary Motion, which states that the square of a planet's orbital period is proportional to the cube of its average distance from the Sun. The formula for this law is:
T² = a³, where T is the orbital period in Earth years, and a is the average distance from the Sun in astronomical units (AU).

Given that the average distance of the planet from the Sun is 0.66 AU, you can find its orbital period using the formula:
T² = (0.66 AU)³
T² ≈ 0.2875
To find the orbital period T, take the square root of 0.2875:
T ≈ 0.54 Earth years

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Answer:

3.6 µg of Vitamin B12, 2.3mg of Vitamin B6, 30.1mg of Niacin B3, 1.8mg of Vitamin B2

Explanation:

Total amount of Vitamin B in 100 grams of Milo powder contains 3.6 µg of Vitamin B12, 2.3mg of Vitamin B6, 30.1mg of Niacin B3, 1.8mg of Vitamin B2. In milo powder, almost all types of vitamin B are present which make it good for our health. This milo powder also contains 54mg Vitamin C, 594mg of Calcium and 21.8mg of Iron so the total amount of Vitamin B is more about 34.2 mg.

Solution:

The correct answer is:

The answer lies in the resistance to antibiotics that occurs with this bacterium. Indeed, Methicillin-resistant Staphylococcus aureus (MRSA) infection is caused by a type of staph bacteria that's become resistant to many of the antibiotics used to treat ordinary staph infections. This makes infections with this bacterium dangerous, as most antibiotics are given seem not to work in patients infected with this bacterium.

Forensic anthropologists assess and determine all of the following components  (a)sex (b)ancestry (c)age (d)manner of death.

Forensic anthropologists assess and determine the following components:

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Answer:

C

Explanation:

Answer:

Spiders are consumers.

Explanation:

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Answer:

i think A is the correct answer

Heart Failure

A stroke

Kidney disease

If the total blood volume is 5.2 liters, there are 2.496 x 10^10 red blood cells in the entire circulatory system.

In this question, we are given the number of red blood cells per microliter of blood and the total blood volume of the patient, and we are asked to calculate the total number of red blood cells in the entire circulatory system.

To do this, we can use the following formula:

Total number of red blood cells = Number of red blood cells per microliter x Total blood volume

Substituting the values we have been given:

Total number of red blood cells = 4,800,000 cells/μL x 5.2 L

Multiplying these values gives us:

Total number of red blood cells = 24,960,000,000 cells

However, the number 24,960,000,000 is quite large, so we can write it in scientific notation to make it easier to read:

Total number of red blood cells = 2.496 x 10^10 cells

Therefore, there are 2.496 x 10^10 red blood cells in the entire circulatory system of the patient.

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The process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called a mutation.

A mutation is a sudden and lasting alteration in the DNA sequence that can influence genetic variation. Changes in the DNA sequence can influence phenotype, which may or may not have an effect on an organism's fitness. Mutations occur spontaneously, either from errors in DNA replication or from exposure to mutagenic agents. Mutations may happen in either coding or non-coding regions of the DNA, and they can be either silent or expressed.

Evolution is a natural process that results in the gradual change of inherited characteristics in populations over generations. It is the process of alteration in the inherited characteristics of species over successive generations. In other words, it is the process of gradual changes that happen to species over time as they adapt to their environments. It can be defined as a change in the gene frequency in a population over time.

Types of Evolution 1. Natural Selection 2. Genetic Drift 3. Gene Flow 4. Mutation 5. Non-Random Mating 6. Admixture 7. Mutation Pressure 8. Genetic Draft 9. Bottleneck and Founder Effect 10. Sexual Selection the process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called a mutation.

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Answer:

This order is determined by the attraction between a codon, a sequence of three nucleotides on the mRNA.

Explanation:

High frequency sounds (above 200 Hz) are encoded by phase locking.

Phase locking refers to the synchronization of the firing patterns of auditory nerve fibers with the incoming sound wave. When a high-frequency sound wave reaches the cochlea, the auditory nerve fibers fire action potentials in synchrony with the peaks or troughs of the sound wave. This synchronization allows the brain to detect and interpret the frequency of the sound accurately. Phase locking is particularly effective for encoding high-frequency sounds due to the rapid firing rates of auditory nerve fibers. In contrast, for lower frequency sounds, the tonotopic map (tonotopy) plays a more significant role, where different regions of the cochlea are sensitive to different frequencies and provide a spatial representation of sound frequency.

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Answer:

nope

Explanation:

its right.........

The helicase Aquarius/EMB-4 is an essential factor in overcoming intronic barriers to enable the nuclear RNAi (RNA interference) pathways for the heritable silencing of transcription.


The helicase Aquarius/EMB-4 plays a crucial role in RNAi, a biological process that regulates gene expression. In eukaryotic cells, DNA is transcribed into RNA molecules, which are then translated into proteins. However, certain RNA molecules can also have regulatory functions, such as RNAi.

Intronic barriers refer to the presence of introns, non-coding regions within genes that are transcribed but not translated. These introns can act as obstacles for the nuclear RNAi pathways, preventing the proper regulation of gene expression.

Aquarius/EMB-4 is responsible for unwinding the RNA molecules in these intronic regions, facilitating their processing and enabling the nuclear RNAi pathways to silence transcription effectively. By doing so, it allows for the inheritance of the silenced state in subsequent generations.

In summary, Aquarius/EMB-4 helicase is necessary to overcome intronic barriers, enabling the nuclear RNAi pathways to heritably silence transcription.

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Answer:

C. Ability to use energy.

Explanation:

All living organisms perform several life processes in order to live, which results in use of energy.

The lac regulatory system is crucial for bacteria as it enables them to conserve energy by only producing enzymes required for lactose digestion when lactose is present. The correct option is C.

Lactose is not a primary source of nutrition for bacteria, and it is only occasionally available in the environment. Therefore, constitutively producing lactose-digesting enzymes would be energetically expensive for the bacteria. Instead, the lac regulatory system switches the genes on only when lactose is present, allowing the bacteria to conserve energy.

This system is regulated by a repressor protein that binds to the lac operon's promoter region, inhibiting gene transcription. When lactose is present, it binds to the repressor protein, causing a conformational change that makes the repressor unable to bind to the promoter, thus allowing the genes to be transcribed and the enzymes produced.

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Answer:

may be the answer is A or D

The hypothesis is the supposed conjecture that is made for the experiment or the investigation to occur. The hypothesis makes the basis of the experiment. Thus, option D is correct.

A hypothesis is defined by the idea or the proposed concept that is not proven yet and is based on the information with limited evidence to support the detail.

It is falsifiable and is not assumed to be truly proven or accurate. It is a foretelling that can be proven correct or incorrect by the experimental design.

It is important in linking the idea to the experiment question and the theoretical data. It allows the researcher to solve the problem by providing the solution through research and experiment.

Therefore, option D. the hypothesis is the basis of an experiment.

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Answer:

Glucose, Sugar

Explanation:

Answer:

Excretion

Explanation:

The excretory system removes cellular wastes and helps maintain the salt-water balance in an organism. When cells break down proteins, they produce nitrogenous wastes, like urea. The excretory system serves to remove these nitrogenous waste products, as well as excess salts and water, from the body.

Answer:

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C. Provides energy to

Answer:

B; cells can divide

Explanation:

is not in the cell theory

Answer:

B) Cells can divide

Explanation: