Where are the tornado watches and warnings released from?


A) National Weather Service Norman Oklahoma

B) National Hurricane Center, Miami, FL

C) National Weather Service Miami Florida

D) National hurricane center Norman Oklahoma

“The virus cannot reproduce itself outside the host because it lacks the complicated machinery that a [host] cell possesses.” The host's cellular machinery allows viruses to produce RNA from their DNA (a process calledtranscription) and to build proteins based on the instructions encoded in their RNA.

The listed plants are all poisonous and contain chemicals that can be harmful to humans.

Conium maculatum, also known as poison hemlock, contains a neurotoxin that can cause respiratory failure and death. Sanguinaria canadensis, or bloodroot, contains toxic alkaloids that can damage cells and cause vomiting, stomach pain, and even coma. Atropa belladonna, or belladonna, contains tropane alkaloids that can cause hallucinations, blurred vision, and even death. Digitalis purpurea, or foxglove, contains cardiac glycosides that can affect the heart and cause arrhythmias or heart failure. Hyoscyamus niger, or henbane, contains alkaloids that can cause hallucinations, agitation, and even seizures. Mandragora officinalis, or mandrake, contains hallucinogenic compounds that can cause delirium and other mental disturbances. Ruta graveolens, or rue, contains psoralens that can cause skin irritation and blistering.

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Answer:

Scary music may be scary because of the soundtrack. Maybe Halloween music can be frightening because it is mostly quiet and spooky. An element to make music frightening is probably quietness. Sometimes, if it sounds like a quiet rollercoaster, it is scary music.

Explanation:

Answer:

Cytosine: 32%

Adenine: 32%

Thymine: 18%

Explanation:

% purines= % pyrimidines

Therefore, the percent of guanine and adenine should add up to 50%, where the percent of cytosine and thymine should also add up to 50%

The amount of matter in the system is constant, and the cycle has a clearly defined beginning and end.

A substance called matter is made up of several kinds of particles, occupies space, and has inertia. The many sorts of particle each have a unique mass and size according to the principles of current physics.

The fundamental building block of the cosmos is the atom. Atoms are referred to be the basic matter units and have a nucleus made up of protons and neutrons with electrons revolving around it. Every component in the periodic table is made up of a unique arrangement of protons, neutrons, and electrons.

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The correct statement about Australia is ; It experiences the first day of summer at Position 1 and first day of winter at Position 3.

The southern and northern hemisphere experiences winter and summer at different times of the year because the Earth's axis remains fixed ( almost ) when it orbits around the sun. therefore during the different orbit phases either the northern hemisphere or southern hemisphere faces/leans towards the sun.  

The part of the earth ( hemisphere)  that faces the sun will experience its first day of Summer while the hemisphere that leans away from the sun will experience its first day of winter.

Hence from the diagram we conclude that Australia been in the southern hemisphere will experiences the first day of summer at Position 1 and first day of winter at Position 3.

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Gibberellic acid (GA) plays a crucial role in a-amylase production and germination. GA stimulates the synthesis and release of a-amylase enzymes, which hydrolyze starch into sugars during germination. Experimental studies have demonstrated that the application of GA accelerates a-amylase production and enhances germination in various plant species

In terms of a-amylase production, GA stimulates the synthesis and release of this enzyme. a-amylase is responsible for breaking down starch into simpler sugars, which are then utilized by the plant for growth and development.

Studies have shown that applying GA to plant tissues or seeds results in an increased production of a-amylase, facilitating the conversion of stored starch into energy-rich sugars.

Regarding germination, GA is involved in breaking seed dormancy and promoting the growth of the embryonic plant.

It stimulates the production of hydrolytic enzymes like a-amylase, which enable the hydrolysis of starch reserves in the endosperm, providing the energy needed for germination and seedling establishment.

Additionally, GA helps in cell elongation and division, promoting the growth of the embryo and the emergence of the radicle.

Evidence for GA's role in both processes includes studies where the exogenous application of GA to seeds or plant tissues has been shown to enhance a-amylase production and promote germination.

Conversely, inhibiting GA synthesis or action results in reduced a-amylase activity and impaired germination. These findings support the critical involvement of GA in both a-amylase production and germination processes in plants.

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The Solute of dissolved molecules that make the cell and cell organelles.

Cell- The primordial, membrane-bound cell that houses the building blocks of life and is the basis of all living things. Like a bacterium or yeast, a single cell is frequently a fully functional organism in and of itself. As they mature, other cells develop specific roles.

Cell Organelles- Inside cells, organelles have specialized structures that carry out a variety of tasks. Literally, the phrase refers to "tiny organs." Organelles provide specialized duties to keep a cell alive, just like organs like the heart, liver, stomach, and kidneys serve specific roles to keep an individual alive.

Solute- A material that has been dissolved in another substance, typically in smaller amounts. A solution is something that has been dissolved, as sugar in water.

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Inquiry-based pedagogy involves fostering curiosity and active learning. For example, students investigating real-world environmental issues and proposing solutions.

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FALSE. X-rays and gamma rays are examples of ionizing radiation, but they do not cause the formation of thymine dimers.

Thymine dimers are a type of DNA damage that occurs when two adjacent thymine bases in DNA become covalently linked to each other, forming a dimer. This can occur when DNA is exposed to ultraviolet (UV) radiation from the sun or other sources. The formation of thymine dimers distorts the normal structure of DNA, causing errors during DNA replication and transcription, which can lead to mutations, cell death, or cancer. Thymine dimers are one of the most common types of DNA damage caused by UV radiation, and they play a significant role in the development of skin cancer.

UV radiation has a shorter wavelength than X-rays and gamma rays and is non-ionizing, meaning it does not directly ionize molecules. Instead, UV radiation causes chemical reactions in molecules, including the formation of thymine dimers in DNA.

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Breathing through your mouth instead of your nose while walking on a cold winter day would result in several differences in the air entering your lungs.

When compared to breathing via your nose, air entering your lungs through your mouth is probably colder. By guiding the incoming air over the warm tissues in the nasal cavity, the nasal passages warm the air as you inhale through your nose.

However, when you breathe through your mouth, this warming process is skipped, allowing cooler air to enter your lungs.

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Advantages of using bananas as a vaccine against diseases: Oral Delivery, Cost-Effective Production.

Reasons why people might be against the use of genetically modified bananas: Safety Concerns, Moral Considerations.

1. Oral Delivery: Bananas can be consumed orally, making them an ideal vehicle for delivering vaccines. This eliminates the need for injections, which can be uncomfortable and require medical professionals to administer.

2. Cost-Effective Production: Bananas are relatively inexpensive to produce and are widely available in many parts of the world.

This makes them a cost-effective option for vaccine production and distribution, particularly in resource-limited settings.

Reasons against the use of genetically modified bananas as vaccines:

1. Safety Concerns: Some individuals may have concerns about the safety of genetically modified organisms (GMOs), including genetically modified bananas.

There may be uncertainties about the long-term effects of consuming GMOs, and fears of potential risks to human health and the environment.

2. Ethical and Moral Considerations: Opposition to genetically modified bananas may stem from ethical and moral concerns regarding the alteration of natural organisms.

Some people may view genetic modification as interfering with nature or raising questions about the boundaries of manipulating living organisms.

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Answer:

It's because an organism's phenotype, or physical traits, are what truly decide whether it can reproduce and pass on its genotype to the following generation.

Because the phenotype of an organism represents the alleles that are actually expressed in that organism, natural selection affects that phenotype.

Explanation:

A testable hypothesis is one that can be tested through empirical research, meaning that it is possible to gather evidence to support or refute it.

A hypothesis is a possible explanation that is proposed for a phenomenon that occurs in nature. In the scientific method, hypotheses are tested by collecting and analyzing data to either support or reject them.

A testable hypothesis could be formed from a question by using the following steps:

Identify the phenomenon that you want to study: Start by identifying the phenomenon that you want to study. This could be a relationship between two variables or a question about how something works. Develop a research question: Based on the phenomenon you want to study, develop a research question that can be answered through empirical research. This question should be specific and should be able to be tested using scientific methods. Formulate a hypothesis: Using your research question, formulate a hypothesis that can be tested through empirical research. This hypothesis should be a statement that proposes a possible explanation for the phenomenon you are studying. It should be clear, concise, and testable.

Test the hypothesis: Once you have developed a testable hypothesis, you can design and conduct experiments to gather data that will either support or refute the hypothesis. If the hypothesis is supported by the data, you can consider it to be a valid explanation for the phenomenon you are studying. If the data refute the hypothesis, you may need to revise it or develop a new hypothesis.

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Answer:

C

Explanation:

of the answers provided, Exocytosis is the only one which actively pushes molecules out of the cell. B and D are passive, which is not possible because it is a very large molecule. A means to take inside the cell. Therefore C is the only correct answer.

Answer:

c

Explanation:

just took the test on edge.

A pot of water boiled on a gas stove describes a nonrenewable resource being used for energy.

A non-renewable resource is a natural resource that is finite in quantity and cannot be replenished once it is used up, such as fossil fuels.

The gas used in the stove is a nonrenewable resource, such as natural gas or propane, which is a finite resource that cannot be replenished on a human timescale. In contrast, the other scenarios involve the use of renewable resources or energy sources that are not fossil fuels. The sun provides renewable energy to heat the tea, a charcoal fire is made from organic matter, and a clothesline uses no external energy source to dry clothes.

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Answer:

If the molecule of an element contains 1 atom it's called a monoatomic molecule. E.g. Na, He, etc. If the molecule of an element contains 2 atoms it's called a diatomic molecule.

Answer:

D. the law of crosscutting relationships

Explanation:

The law of cross-cutting relationships can help explain the age of the rock as it relates to the surrounding rock.

This law is one of the premise of relative dating. The relationship between the intrusion and rock body or country rock is used to discern their age.

If we took a linear piece of DNA and cut it with the restriction enzyme EcoRI which had three restriction sites for EcoRI, then the resulting number of fragments that it would produce is five (5) fragments in a linear sequence and four (4) fragments in a circular piece.

A restriction enzyme is a protein that has a defined catalytic activity that can be used to cut a given sequence of nucleic acids.

In this case, the EcoRI restriction enzyme can be used to cut in a specific nucleotide sequence that contains a given linear order of nucleotides in the cutting site.

Therefore, with this data, we can see that the restriction enzymes are able to cut the nucleic acids in specific sequences such as the EcoRI restriction enzyme that cut at particular nucleotide regions (this enzyme cuts at AATT positions).

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Answer:

The first bar increases in length as compared to the second bar.

Explanation:

The length of the bar of control cages in graph increases because the number of bees per colony increases while on the other hand, the length of the bar of the cage that is exposed to fungicides decreases because the bees are negatively affected from the application of fungicides. They act abnormal in behaviour and adversely affected the reproduction of bees that greatly affected its population.

Answer:

The answer of the question is

Option D

Both B And C

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Answer:

I think they are both as bad.

Explanation:

I say this because air pollution can cause water pollution but the same goes the other way around.

Answer:

No, air pollution is worse.

Explanation:

Whilst water pollution would kill s over time from dehydration, the air pollution would kill us first. Air is how we breathe and that would kill us before the water did. Over all, air pollution would kill us first.

Answer:

The term pathogen came into use in the 1880s. Typically, the term is used to describe an infectious microorganism or agent, such as a virus, bacterium, protozoan, prion, viroid, or fungus. Small animals, such as certain kinds of worms and insect larvae, can also produce disease.

A pathogen is one of the terms used to describe an organism that causes diseases.

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Explanation: Succession is a series of progressive changes in the composition of an ecological community over time. In primary succession, newly exposed or newly formed rock is colonized by living things for the first time.

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