Where is DNA found in a eukaryotic?

Answer:

Incomplete dominance

Explanation:

Explanation: Natural groundwater recharge occurs as precipitation falls on the land surface, infiltrates into soils, and moves through pore spaces down to the water table. Natural recharge also can occur as surface-water leakage from rivers, streams, lakes, and wetlands.

Answer:

Groundwater is recharged naturally by rain and snow melt and to a smaller extent by surface water (rivers and lakes). Recharge may be impeded somewhat by human activities including paving, development, or logging.

Explanation:

Answer:

eukaryotes

Explanation:

All organisms in the kingdoms Protista, Plantae, Fungi, and Animalia are eukaryotes

Answer:

Volcanic eruptions

Explanation:

Most penicillin resistant bacteria produce enzymes called penicillinases that hydrolyze the β-lactam ring of penicillin, rendering it inactive.

This allows the bacteria to survive in the presence of penicillin and continue to reproduce.

In order to combat penicillin-resistant bacteria, alternative antibiotics that are not susceptible to β-lactamase hydrolysis must be used.

These include cephalosporins, carbapenems, and monobactams.

Additionally, efforts are being made to develop new antibiotics that can target and kill penicillin-resistant bacteria.

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Penicillin-resistant bacteria produce enzymes called penicillinases, which function to hydrolyze the β-lactam ring in penicillin. This process inactivates the antibiotic, allowing the bacteria to survive and continue to grow despite the presence of penicillin.

Most penicillin resistant bacteria produce enzymes called penicillinases that hydrolyze the β-lactam ring of penicillin, rendering it inactive. These enzymes are also known as beta-lactamases and can break down other beta-lactam antibiotics as well, such as cephalosporins and carbapenems. In order to combat this resistance, researchers have developed beta-lactamase inhibitors that can be used in combination with these antibiotics to increase their effectiveness. Additionally, new classes of antibiotics are being developed that are not susceptible to beta-lactamases.

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The example of genetic modification is adding a gene to the DNA of a cow to produce more milk. Thus, option C is correct.

Genetically modified organism are those organisms in which the technology of genetic engineering is used to change their genetic makeup. Due to this change in genetic makeup allow the organisms to resist against disease causing microorganisms, pesticides and also increased the productivity of crops. In animals, genes are change to increase milk or meat production.

I would not be willing to eat the genetically altered crops. This is majorly because extensive research has not been carried out on these crops to ascertain if there are any future possible side effects of eating these foods. It is very essential that long term study be carried out on these crops to determine their full effects on humans.

Therefore, The example of genetic modification is adding a gene to the DNA of a cow to produce more milk. Thus, option C is correct.

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Answer:

A gene l

Explanation:

Despite having the same DNA, distinct cells produce and accumulate unique sets of rna and protein molecules due differentiation.

It is known that cells specialise through a process called cell differentiation. Pluripotency, which can be shown in stem or progenitor cells at the start of the differentiation process, refers to the capacity to develop into any form of cell. Even though all the cells in a multicellular organism have the same DNA, they may express quite diverse gene sets. A cell's distinctive characteristics are determined by the set of proteins and functional RNAs that are expressed from its set of expressed genes.

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True, the structure of DNA is essential for providing variety since the order of nucleotides is responsible for the unique qualities of each organism.

DNA, which stands for deoxyribonucleic acid, is a molecule present in all living organisms. DNA molecules contain genetic instructions that determine the growth and function of all living things, including humans, animals, and plants. DNA molecules are composed of four types of nucleotides, adenine (A), cytosine (C), guanine (G), and thymine (T). The order of these nucleotides in DNA is what determines the unique qualities of each organism. The sequence of DNA is what determines everything about an organism, including its physical features, its behavior, and its susceptibility to disease and other disorders.

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Answer:

repitition shows the central meaning and message of a song and creates emphasis on the reader. the reader is more likely to remember it.

Explanation:

Answer: b

Explanation:

The repeated words put the focus on the main idea of the stanza

The pressure indicated by the question mark is the systolic pressure, systolic pressure mean arterial pressure and there is also diastolic pressure.

Systolic blood pressure is basically used to  indicates how much pressure your blood is exerting against your artery walls when the heart beats. Diastolic blood pressure is mainly used to indicates how much pressure your blood is exerting against your artery walls while the heart is resting between beats.

Mean Arterial Pressure (MAP) = Diastolic Pressure + 1/3 Pulse Pressure ~93 mm Hg = ~80 mm Hg + ~ 40 mm Hg 3

Blood pressure is taken using two measurements: systolic (measured when the heart beats, when blood pressure is at its highest) and diastolic (measured between heart beats, when blood pressure is at its lowest).Diastole represents ventricular filling, and systole represents ventricular contraction/ejection. Systole and diastole occur in both the right and left heart, though with very different pressures (see hemodynamics below).

The pressure indicated by the question mark is the systolic pressure, systolic pressure mean arterial pressure and there is also diastolic pressure.

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The task is to determine the value of pressure, given as 2000 N/m², in pounds per square inch (lb/in²).

To convert the pressure from N/m² to lb/in², we need to use the appropriate conversion factors. The first step is to convert the given pressure of 2000 N/m² to pounds-force per square inch (lb/in²). The conversion factor can be obtained by considering the relationship between Newtons and pounds-force, as well as the conversion between square meters and square inches. By multiplying the given pressure by the conversion factor, we can calculate the equivalent value in lb/in². The second paragraph of the response will provide a detailed explanation of the conversion process, highlighting the unique keywords from the summary, such as "pressure," "N/m²," "lb/in²," and the conversion factors used.

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Gene therapy is a promising field of medicine that can bring hope to millions of people suffering from genetic diseases. However, it should be approached with caution and ethical considerations to minimize the risks and maximize the benefits.

Gene therapy is a medical treatment that aims to repair or replace the defective genes that cause genetic disorders. It's a complex and sensitive procedure that requires a deep understanding of human genetics and advanced technology. Although gene therapy has the potential to treat and cure many genetic diseases, it's not without risks and ethical considerations.

Therefore, it's essential to weigh the benefits against the risks before deciding to use gene therapy. So, the answer to the question is Yes, there is a possibility that gene therapy can go extremely wrong and cause unexpected side effects, even if it fixes the primary problem.

Gene therapy can be harmful in several ways, such as:

Off-target effects: Gene therapy can accidentally target the wrong cells or genes, leading to unpredictable and potentially harmful outcomes.

Immunological reactions: The immune system may see the modified cells as foreign and attack them, leading to inflammation and tissue damage.

Tumorigenesis: Gene therapy may activate oncogenes or inactivate tumor suppressor genes, leading to the formation of cancerous cells in the treated area.

Moreover, there's always the risk of transmitting the modified genes to future generations, raising ethical concerns about the safety and implications of gene therapy.

Therefore, scientists and regulators should conduct extensive preclinical and clinical studies to ensure the safety and efficacy of gene therapy before it's used in humans.

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Answer:

The activation energy required for an exploding firework is less than the activation energy required for a burning candle.

Explanation:

I did this in class. The height of the activation is lower for the firework than the  burning candle.

Normal urine from a healthy person can be expected to contain all of the following except: Glucose.

Human urine is mostly made of water (95%). The remaining ions and molecules are urea (2%), creatinine (0.1%), uric acid (0.03%), chloride, sodium, potassium, sulphate, ammonium, phosphate, and other ions and molecules in smaller concentrations.

The color of normal urine ranges from clear to light yellow. However, some factors might cause the hue to shift. Foods like beets, blackberries, and fava beans, for example, can colour urine pink or crimson. Furthermore, some medications might cause urine to have vibrant colors, such as orange or greenish-blue.

Urine is often a clear solution varying in color from colorless to amber, but is frequently a pale yellow. Urination color is usually caused by the presence of urobilin. Urobilin is a byproduct of the breakdown of heme from hemoglobin during the elimination of old blood cells.

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Preganglionic fibers, a subdivision of the autonomic nervous system, are comparatively small and highly specialized.

The sympathetic and parasympathetic limbs of the autonomic nervous system are its two divisions. The parasympathetic system is referred to as the "rest and digest" phase, and the sympathetic system is connected to the "fight-or-flight" response. The harmony between the two systems is called homeostasis.

Sympathetic nervous system: In times of stress or danger, this system activates bodily functions that support you.

Your autonomic nervous system has a parasympathetic nervous system, which functions in opposition to your sympathetic nervous system.

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Answer:

A RNA polymerase separates the hydrogen bases of a gene to produce a strand of messenger RNA, which leaves to nucleus. When a ribosome attaches itself to the messenger RNA, it reads the RNA 3 bases at a time to build amino acids which are then folded into proteins.

More explained process:

Note: The description below will explain the process of “protein synthesis”, in which the mRNA (messenger RNA) takes part of.

In the process of protein synthesis, the first step is called “transcription”. In transcription, the mRNA (messenger RNA) unwinds DNA base pairs, and pairs it with the single strand of RNA (A,U,C,&G) . Then the mRNA moves out of the nucleus and into the cytoplasm to ribosome. That process is called “translation”. In translation, there is a molecule called tRNA (transfer RNA). There is an amino acid which corresponds to the base pairs of RNA in top, which will create a chain of amino acids. [ For example, the bases are AUC, the corresponding amino acid will be isoleucine (Ile). Next, the tRNA molecules carry the amino acids to mRNA, reads the RNA 3 bases at a time to build an amino acid chain which are then folded into proteins.

Nerve cell  has one axon and no dendrites, The type of neuron must it be is UNIPOLAR NEURON.

When there is only one extension (also known as a process) from the soma or body of the nerve cell, it is said to be a unipolar neuron. The extension, known as a neurite, continues to grow to generate the axon fibers and dendritic branches.

Invertebrates are known to be home to unipolar neurons. However, they are also present in the brains of several invertebrate species. Axonal processes have larger lengths, and dendritic branches have different lengths.

In insects, unipolar cells are electrically dormant and situated near the brain's outer edge. It appears in the cerebellum of vertebrates as unipolar brush cells.

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Answer: floor

Explanation:

Fossils are structures which provided information about animal adaptations

to climate change.

Fossils refers to remains of living organisms which have been replaced in the form of rock particles due to its presence in the soil for a long period of time.

The fossils contain an understanding of the structures and characteristics

the animals had which is then compared to its present structures. This helps

to explain how the animals adapted to climate change through changes in

the structure, shape of parts of the body.

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The following does NOT equal one cup from the fruits group (D) 1 cup sliced avocado.

Although avocado is technically a fruit, it is considered a unique fruit due to its high fat content and is often categorized with fats and oils instead of fruits.

The other options listed are all equivalent to one cup from the fruits group:

a. ⅓ cup dried fruit can be considered equivalent to one cup of fresh fruit.

b. 1 cup canned fruit (in 100% fruit juice or light syrup) is equivalent to one cup of fresh fruit.

c. 1 cup banana slices is equivalent to one cup of fresh fruit.

e. ½ cup dried fruit is equivalent to one cup of fresh fruit.

The fruits group is an important part of a healthy diet as it provides essential nutrients, such as vitamins, minerals, and fiber. The daily recommendation for fruit intake varies depending on age, sex, and physical activity level, but generally ranges from 1-2 cups per day.

It is important to choose a variety of fruits to ensure a well-rounded intake of nutrients. The correct answer is D.

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Answer:

The mitochondria are semi-autonomous cell organelles which are evolved from prokaryotic cells.

Explanation:

The mitochondria is surrounded by lipid bilayer membrane.They possess their own self replicating DNA ,also 70s ribosomes for protine synthesis,so they are believed to have evolved from prokaryotic cells

Answer :

A. True ✓

Explanation :

The solar energy drives the cycle by evaporating water from the oceans, lakes, rivers, and even the soil.

Answer:

Which best explains how and why scientific knowledge is continually expanded and improved? The scientific process flows in one direction and finds only facts that support a scientist's original idea. The scientific process is cyclical so that new facts inspire questions that lead to new studies.

Explanation:

Brainlist???

1. Culling of animal species for population management can create a conflict between wildlife conservation and animal ethics or welfare.

2. Urban spaces have value as conservation areas for biodiversity, providing habitats for adaptable species. However, challenges like habitat fragmentation and pollution need to be addressed.

1. The practice of culling involves selectively killing animals to manage populations or prevent ecological damage. While it is a conservation approach, it conflicts with animal ethics and welfare concerns. The debate revolves around balancing the need for population control with compassion for individual animals.

2. Urban spaces can support biodiversity by offering habitats for various species. However, these spaces come with challenges such as habitat fragmentation, pollution, and competition with human activities. Efforts should focus on minimizing these challenges and creating suitable urban environments for species to thrive.

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Answer:

2

Explanation:

took the test

Answer:

2

Explanation:

Just took the test

Amniotes have waterproof skin.

Amniotes are a group of tetrapod vertebrates that include reptiles, birds, and mammals.

They are characterized by having an amniotic egg, which allows them to reproduce on land. A key feature of amniotes is their waterproof skin.

Amniotes' waterproof skin helps them adapt to life on land by preventing water loss, which is essential for maintaining proper hydration levels and homeostasis.

This skin is made up of keratinized cells, which form a tough and resistant outer layer, effectively acting as a barrier against water loss and the entry of harmful substances.

The waterproofing ability of their skin enables amniotes to inhabit a wide range of terrestrial environments, from arid deserts to temperate forests and beyond.

In summary, amniotes have waterproof skin that plays a crucial role in their adaptation to life on land, allowing them to conserve water and survive in various terrestrial habitats.

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Answer:

See explanation

Explanation:

I will try to explain each point mentioned to the best of my ability.

The dissolution of calcium chloride in water is endothermic hence more solute dissolves as the temperature increases. When the solution cools, the solubility of the solid also decreases with decreasing temperature hence the solid reappears.

When soda is heated, carbon dioxide gas is evolved thereby decreasing the amount of dissolved carbon dioxide.

Let me state that increase in volume of solvent increases the amount of solute that can dissolve in it. This is why 250ml volume of solvent can dissolve more solute than 100ml of solvent.

Also, temperature is an important factor when discussing the solubility of a solute. This is why the temperature at which a certain value of solubility is quoted must be indicated. For solids, solubility increases with increase in temperature.

Lastly, the solubility of sodium chloride is independent of temperature. This is clearly seen by plotting a solubility curve.

Answer:

Use Fertilizers Wisely.

Apply Pesticides Wisely.

Use Landscaping Practices that Prevent Erosion.

Wash Your Vehicle Wisely.

Dispose of Pet Waste.

Use and Dispose of Household Chemicals Safely.

Evaluate Existing Roads