What happens during prophase?
A- A new Nucleus forms around each copy of DNA
B-The chromatids are pulled apart
C-The Mitotic spindle forms
D-Spindle fibers attach to the chromatids

The complementary of A is T and for G is C, therefore the complementary sequence should be …. TACCGAACT…

Adenine builds the double bond with thymine while guanine makes the triple bond with cytosine which method adenine and thymine complementary base pairs and cytosine and guanine are complementary base pairs. The complementary sequence for the DNA shore 5' ATCGAACGT 3' is 3' TAGCTTGCA 5'.

Because of complementary base-pairing, this action generates a new strand of mRNA that is ordered in the 3' to 5' direction. As the RNA polymerase continues

So we can conclude that For the DNA strand 5'-TACGATCATAT-3' the right complementary DNA ... First write the accurate base pairing below the original sequence and ...

Missing:

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The somatic nervous system (SNS) and autonomic nervous system (ANS) are two major components of the peripheral nervous system (PNS), which is responsible for transmitting sensory and motor information to and from the central nervous system (CNS).

The somatic nervous system is responsible for voluntary motor control of skeletal muscles, as well as transmitting sensory information from sensory organs to the CNS. It is involved in activities such as walking, talking, and other conscious movements.

The autonomic nervous system, on the other hand, regulates involuntary physiological processes such as heart rate, digestion, and respiratory rate.

It has two main divisions: the sympathetic and parasympathetic nervous systems, which have opposing effects on bodily functions and work together to maintain homeostasis.

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Order of the following choices to reflect the appropriate sequence of materials used in the gram staining procedure are -

Crystal violet dye is used to initially stain the slide as part of the gram staining procedure. The following stage, also known as fixing the dye, requires employing iodine to create a crystal violet-iodine complex in order to stop the dye from being removed easily. A decolorizer is then used to remove the dye, frequently a solvent made of ethanol and acetone. Gram staining works on the fundamental tenet that the bacterial cell wall can hold onto the crystal violet dye even after being exposed to solvent. Gram-negative bacteria have more lipid in them than gram-positive bacteria, which have more peptidoglycan.

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Answer:

the cell would split in two and put 12 chromosomes in each daughter cell

Explanation:

Waterlogging limits oxygen supply to the roots and prevents carbon dioxide from diffusing away. Root function is reduced or stops and the roots start to die off, allowing the invasion of rots and decay organisms.

Waterlogging limits oxygen supply to the roots and prevents carbon dioxide from diffusing away. Root function is reduced or stops and the roots start to die off, allowing the invasion of rots and decay organisms.

Answer: False

Explanation:

False. The author's purpose in this excerpt is to provide information and describe the formation and characteristics of tornadoes. There is no persuasive language or intent evident in the passage.

Answer: True

Explanation:

A mating experiment between two organisms that are equally hybrid for two traits is referred to as a dihybrid cross.

When two heterozygotes are crossed, the anticipated genotype ratio is 1 (homozygous dominant): 2 (heterozygous): 1. (homozygous recessive). When a phenotypic ratio of 2:1 is seen, a deadly allele is presumably present.

             H - Height in inches

              short height, h

             Heterozygous for H

           Heterozygotes would be involved in the cross Hh x Hh.

           Hh x Hh

           I pronounce: HH Hh Hh hh

           Considering that H trumps h;

           Both HH and Hh would produce normal-height phenotypes.

          A short height will arise from the hh trait.

Thus;

          3/4 or 75% of the time, a cross will result in a genotype with              normal height.

        25% or 1/4 of the time, the cross will result in a short height characteristic.

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Answer:

The answer to your question is B.

DNA is important in identifying genetic relationships within a group, but it alone is not sufficient to determine complex social constructs like race, whiteness, or property; the inclusion of social, cultural, and historical factors is crucial in understanding these concepts.

Biological anthropologists and genome scientists should consider the relationship between Europeans and Indigenous people in their research to provide a more comprehensive understanding of human genetic diversity and population history.

DNA analysis can provide valuable insights into genetic relationships within a group, such as determining genetic ancestry or identifying related individuals. However, race, whiteness, and property are social constructs that go beyond genetic factors and are shaped by historical, cultural, and socioeconomic factors. These concepts are complex and cannot be solely explained by genetic data. Therefore, it is important for researchers, including biological anthropologists and genome scientists, to recognize the limitations of genetic data and consider the broader social context when studying race, whiteness, and property.

In the context of researching Europeans and Indigenous people, it is crucial for researchers to acknowledge and incorporate the historical and ongoing relationships between these groups. This includes understanding colonization, displacement, and the impact of power dynamics on genetic diversity and health outcomes. By including this relationship in their research, scientists can contribute to a more accurate and nuanced understanding of human genetics and promote social and scientific equity.

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Answer:

divergent,mid ocean ridges

Explanation:

the seafloor diverge from each other causing the land to go thinner and thinner and thinner and make an opening between the floors and continue to move away from each other until they touch a more firm land to be able to stop, then the mid ocean ridges come between the floors where inside there is water and on the side there are the ridges

Answer: I believe 99% it is D

Explanation:

Cryptococcosis is a fungal infection linked to AIDS that affects the skin, lungs, brain, and meninges.

A fungal infection called Cryptococcosis neoformans is present in the environment all around the planet. Even though most individuals fungal infection who are exposed to the tiny fungal infection never become sick from it, people can contract C. neoformans after breathing it in. Cryptococcosis neoformans is the cause of the uncommon lung illness known as cryptococcosis. In immunocompromised people, particularly those who have HIV infection, this fungal infection often causes severe pneumonia and can result in

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Answer:

circulatory

Explanation:

contains the heart, lungs and blood vessels

The incubation of Staphylococcus aureus which produces the highest cell mass within two hours is: (1) flask with aeration and shaking at 37°C.

Staphylococcus aureus is a gram positive bacteria. It is spherical in shape and is found in the microbiota of the body like upper respiratory tract or on the skin. It is a facultative anaerobe which means it generally performs aerobic respiration but can switch to fermentation if required, and hence is better grown in flask with aeration and shaking.

Incubation is the process of maintaining the ideal conditions like the natural habitats of the cells or bacteria, for them to grow and multiply in the external laboratory conditions.

Therefore the correct answer is option 1.

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Answer:  

ningún núcleo, primera célula en la tierra, ADN lineal, tiene ribosomas, tiene una membrana.

Explanation:

Answer: Single cell, Absent Organelles, Plasma Membrane, Cell Wall, DNA

Explanation:

Single-Celled

Perhaps the most straightforward characteristic of bacteria is their existence as single-celled organisms. While most bacteria, archaeans and eubacteria alike, spend their entire microscopic life cycle as independent single cells, some such as the soil-dwelling myxobacteria will form multicellular fruiting bodies as part of their life cycle.

Absent Organelles

Eukaryotic cells, such as those of plants, animals and fungi, possess a membrane-bound nucleus that compartmentalizes the cell's DNA from the rest of the cell. Other functions within these cells are also sequestered into specialized membrane-bound organelles, such as mitochondria for cellular respiration and chloroplasts for photosynthesis. Bacteria lack a nucleus and complex organelles within their cells. This is not to say that bacteria do not possess internal organization, as their DNA is often sequestered into a region of the bacterial cell known as the nucleoid. However, it is important to note that the nucleoid is not physically separated from the rest of the cell by a membrane.

Plasma Membrane

While plasma membranes are common throughout other living cells, these membranes are not a feature of bacteria. The absence of internal organelles relegates many functions that occur within eukaryotic cells to occur on the plasma membrane of bacteria. For example, special infoldings of the plasma membrane allow photosynthetic bacteria to perform the light-dependent reactions of photosynthesis that photosynthetic eukaryotes conduct on the thykaloid membranes within the chloroplast.

Cell Walls

A peptidoglycan cell wall is a common feature among eubacteria. This cell wall envelops the bacteria cell, providing strength and preventing rupture in changing environments. One of the fundamental tests performed in identifying bacteria is the Gram stain, which categorizes eubacteria as Gram positive or Gram negative based on the ability of the cell wall to retain crystal violet dye. The cell wall is the target of the antibiotic penicillin and its derivatives. Penicillin inhibits cell wall formation and can destroy the walls, especially in rapidly growing and multiplying bacteria. Again underscoring the diversity within this group, not all eubacteria possess a peptidoglycan cell wall. The cell wall of chlamydia lacks peptidoglycan. Mycoplasma lack any cell wall. Archaeans also possess a cell wall but use substances other than peptidoglycan.

DNA

The multiple, linear chromosomes often represented graphically in biology textbooks are specific to eukaryotes. Conversely, both archaeans and eubacteria possess a single-circular chromosome and a DNA sequence much shorter than that found in eukaryotes. The shorter DNA sequence may partially be explained by the comparatively reduced complexity of bacterial cells but also results from the reduced presence of introns -- segments of a gene that are removed during translation of the DNA into protein. The bacterial genome is augmented by smaller fragments of DNA known as plasmids, though these are not unique to bacteria and are also be found in eukaryotes. Plasmids are replicated within the bacterial cell independent of the bacterial chromosome and may be exchanged between different bacterial organisms. Plasmids may impart attributes to the host cell such as antibiotic resistance.

Answer:

\(\huge\boxed{\sf Endocytosis}\)

Explanation:

B-cells engulf an antigen by endocytosis.

Endocytosis:

The process by which cell takes up external materials by fusing them with plasma membrane is called endocytosis.

After engulfing the antigen, B-cells become sensitive to the pathogen.

\(\rule[225]{225}{2}\)

Hope this helped!

Answer: D

Explanation:

Answer/Explanation:

There is a 50% chance of producing a boy. The is a 50% chance of producing a girl. To find percentage divide the desired factor by the possible outcomes. In this case, it 1 divided by 2 which is 0.5. Multiply the decimal by 100 to find the percentage.

1/2 = 0.5

0.5 x 100 = 50%

Answer:

The development of an organism, including a frog, is controlled by the expression of certain genes which code for specific proteins. Malformations in frogs can occur when there is a disruption in the normal expression of these genes or proteins.

For example, exposure to environmental factors such as pollutants or UV radiation can interfere with the normal expression of genes and proteins during frog development, leading to malformations such as extra limbs, missing eyes, or deformed organs.

Additionally, mutations in certain genes can also result in malformations. For instance, mutations in the genes responsible for regulating limb development can cause abnormalities in the number or shape of a frog's limbs.

Therefore, the relationship between genes and proteins is crucial in understanding how malformations occur in frogs, as disruptions in their normal expression can have profound effects on the development of the organism.

Answer:

d is the corect answere.

Explanation:

Many medicinal drugs work by inhibiting the activity of enzymes, which are proteins that catalyze biochemical reactions in the body.

Biochemical reactions are the chemical reactions that occur within living organisms to maintain life. These reactions involve the conversion of one molecule to another through a series of complex steps. Biochemical reactions are essential for a range of cellular functions, including metabolism, growth, repair, and reproduction.

Enzymes are protein molecules that act as catalysts to accelerate these reactions. They lower the activation energy required for a reaction to occur, allowing it to happen more quickly and efficiently. Enzymes are highly specific, with each enzyme catalyzing a particular biochemical reaction. There are many different types of biochemical reactions, including oxidation-reduction reactions, synthesis reactions, and hydrolysis reactions.

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If you have been diagnosed with lung cancer caused by exposure to the railroad industry, you may be eligible for a settlement.

To begin the process, it's important to seek legal representation from a lawyer who specializes in railroad injury cases.

They can help you file a claim against the railroad company and work towards a settlement for your medical expenses, lost wages, and pain and suffering.

It's important to act quickly and gather any evidence or documentation that can support your case.

Your lawyer can guide you through the process and help you get the compensation you deserve.

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Answer:

The distinction major between soil and dirt, however, is that soil has a variety of organic components, ranging from dead leaves to living earthworms, whereas dirt is completely devoid of life and contains no organic components.

The data made above suggest that resource partitioning is an ecological mechanism that the two insect species most likely exhibit. Option b is Correct.

Species that dwell in the same community might develop to use distinct resources, which lessens competition. This process is known as resource partitioning. When present in a region where the other beetle species is absent, the two-spot and three-spot avenger beetles hunt for food at night. They are closely related predatory bug species.

The two species have evolved to hunt at opposite times of the day where their ranges overlap, with the three-spot avenger beetle hunting in the morning and the two-spot avenger beetle hunting at night. As they are no longer directly fighting for the same resources, this lessens conflict between the two species for prey. Option b is Correct.

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Emerging diseases are new to a population or rapidly increasing in incidence or geographic range and are of particular concern to health care workers today.

Emerging diseases refer to illnesses that have recently appeared in a population or are experiencing a surge in cases, posing a significant challenge to healthcare professionals. These diseases can arise due to various factors, including the spread of new pathogens, changes in existing pathogens, or shifts in environmental conditions. Examples of emerging diseases include Ebola, Zika virus, and COVID-19. The rapid emergence or increased incidence of these diseases demands vigilant monitoring, swift response, and effective control measures to mitigate their impact on public health. Health care workers play a crucial role in detecting, treating, and preventing the spread of emerging diseases, as their knowledge and expertise are essential in safeguarding communities and minimizing the potential risks associated with these evolving health threats.

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Long term goals are goals which are set to be achieved over a long period of time such as paying off the mortgage on a house.

Long-term goals are goals which are set to be achieved over a long period of time.

Long term goals require planning and dedication in order to achieve them.

Some examples of long term goals include:

Therefore, long term goals are goals which are set to be achieved over a long period of time.

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 If a slide is broken you can throw the pieces in the regular trash as long as they are small.This statement is FALSE


When a slide is broken, it should not be thrown in the regular trash even if the pieces are small. Slides are typically made of materials such as plastic, metal, or fiberglass that may not be accepted by regular waste management facilities. Additionally, broken slides may pose a safety hazard to waste collectors or other individuals who come into contact with them. It is recommended to contact your local waste management facility or a professional disposal service to properly dispose of broken slides.


It is false that you can throw broken slide pieces in the regular trash. It is not safe and may not be accepted by waste management facilities. Slides are made of materials such as plastic, metal, or fiberglass that can cause harm to waste collectors or other people. It is best to contact your local waste management facility or a professional disposal service to dispose of broken slides. This ensures that the materials are disposed of safely and properly.


It is important to be mindful of the materials that make up broken items like slides to ensure they are disposed of in the right way. Taking the extra step to contact waste management facilities or disposal services can prevent potential harm to individuals and the environment.

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