12. Which area of deep ocean research provides the most economic
benefit?

a sea-floor spreading

b. oil resource

C.new habitats

d hydropower

Answer:

Explanation:

I got it right on edj :)

Answer:

Sympathetic nevous system

Explanation:

I got it right on a edge (2021)  bio quiz

The main advantage that allowed gymnosperms (the conifers) to evolve from filicinophyta (the ferns) is shedding snow in hilly regions.

How did gymnosperm get evolve?

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Explanation:

A gene is the basic physical and functional unit of heredity. Genes are made up of DNA. Some genes act as instructions to make molecules called proteins.

C is the Answer

Explanation:

The answer should be the different types of tissues working together to carry out a function

A likely ecological impact of crop rotation is that it ensures the presence of a single type of nutrient in the soil. (option D)

If I were a marine biologist who wanted to study organisms that are capable of chemosynthesis, I would collect organisms for my research from a variety of deep ocean environments. These environments include hydrothermal vents, methane seeps, cold seeps, and whale falls.

Hydrothermal vents are located near tectonic boundaries in the deep ocean, and are characterized by high concentrations of hydrogen sulfide, a compound that serves as a source of energy for many organisms. These vents are home to a variety of chemosynthetic bacteria, including species of bacteria that can directly use hydrogen sulfide for chemosynthesis. I would collect organisms from hydrothermal vents by using submersible vehicles that can reach the depths at which these vents are found.

Methane seeps are another environment where chemosynthetic organisms are found. Methane is released from seeps, and this methane serves as a source of energy for chemosynthetic bacteria. I would collect organisms from methane seeps using submersible vehicles equipped with sampling devices, such as coring devices or sediment traps.

Cold seeps are another environment where chemosynthetic organisms are found. These seeps are characterized by the presence of methane, which is produced by bacteria. I would collect organisms from cold seeps using submersible vehicles equipped with sampling devices, such as coring devices or sediment traps.

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Answer:

Enzymes break down the food that you eat. They break down the fats, carbohydrates, and protein in the food we eat.

Explanation:

I hope this helped a bit! Stay safe!

Answer:

Amylase breaks down starches and carbohydrates into sugar. Mainly it break

down the fats, carbohydrates and proteins we

eat.

Answer:

B

Explanation:

I looked it up

Some chemical compounds can pass via the mobile membrane, but others cannot. not all chemical substances can skip through a cell membrane with identical ease the cell membrane determines which chemical substances can diffuse into or out of a cell. this is called a cell membrane as it does now not allow all chemical compounds to freely pass.

The cell membrane's predominant trait is its selective permeability, because of this that it lets in some materials to pass it without problems, but now not others. Small molecules that are nonpolar (don't have any fee) can go through the membrane without problems through diffusion, but ions (charged molecules) and large molecules generally can't.

Cell membranes are an example of semi-permeable membranes. cellular membranes allow small molecules which include oxygen, water carbon dioxide, and oxygen to pass via however do not permit large molecules like glucose, sucrose, proteins, and starch to go into the cell immediately.

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Answer:

true.

Explanation:

1(kilometer/hour) = 1000(meters) / 3600(seconds) can also be expressed as 1(kilometer/hour) = 5/18 (meters/second), which is its simplified form.

The correct order of statements about GAL gene regulation, starting from conditions with an absence of galactose through conditions with abundant galactose are:

Thus, the correct order is 9-2-7-1-5-4-6-8-3.

When galactose is absent, GAL80p is bound to DNA, preventing Gal4p from activating the transcription of the GAL genes. As galactose is present, it binds to Gal3p, which associates with Gal80p. This association causes the inhibition of Gal80p to be relieved by Gal3p, which then binds to the promoter as an activator. Gal3p also interacts with Gal4p, further relieving inhibition.Gal4p is released from the inhibition of Gal80p, which is abated by galactose binding to it, and is free to function as an activator at GAL promoters.

Thus, the correct order of statements is 9-2-7-1-5-4-6-8-3.

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Answer:

true

Explanation:

i did the question :)

yw

Answer:

Advantage: altering a component in the cell walls, causing the contents of the fungal cells to flow out and the cells to perish. inhibiting fungal cells from multiplying and expanding.
Disadvantage: An allergic response may cause swelling of your face, neck, or tongue, as well as breathing difficulties. a severe skin reaction, such as blistering or peeling. Loss of appetite, vomiting, nausea, jaundice, dark urine or pale feces, weariness, or weakness are all symptoms of liver impairment.

Antifungal medicines are used to treat fungal infections, which most commonly affect your skin, hair and nails.

You can get some antifungal medicines from a pharmacy without needing a GP prescription.

Some fungal infections can grow inside the body and need to be treated in hospital.

Antifungal medicines work by either:

killing the fungus

preventing the fungus from growing

Before taking antifungal medicines, speak to a pharmacist or GP about:

any existing conditions or allergies that may affect your treatment for fungal infection

the possible side effects of antifungal medicines

whether the antifungal medicine may interact with other medicines you may already be taking

whether your antifungal medicine is suitable to take during pregnancy or while breastfeeding – many are not suitable

You can also check the patient information leaflet that comes with your antifungal medicine for more information.

LemonLex,

Answer:

Use magnet

Explanation:

Since iron filling is ferromagnetic material it will align is self with the magnet

a. ​Mitochondria  cell organelle is the power house of the cell where nutrients are digested and energy is created for the cell

The traditional function of the mitochondria is called oxidative phosphorylation, which produces ATP by using the energy generated through the oxidation of the food we ingest. The majority of biochemical and physiological functions, including growth, mobility, and equilibrium, all require ATP as their main energy source.

Plants' energy centres are called chloroplasts. They are where photosynthesis occurs, a chemical reaction that turns carbon dioxide and sunlight into the energy that sustains life on Earth.

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Stem cells share with cancer cells the ability to divide and differentiate rapidly, which requires further investigation to understand how to safely use them in therapies.

Stem cells are undifferentiated cells that have the potential to differentiate into various types of cells in the body. They play a crucial role in tissue regeneration and repair, and have the potential to be used in a wide range of therapeutic applications. However, there are some concerns regarding the use of stem cells in therapies, including the potential for uncontrolled growth and differentiation.

One of the similarities between stem cells and cancer cells is their ability to divide and differentiate rapidly. Cancer cells divide uncontrollably and have the ability to differentiate into various types of cells, just like stem cells. This similarity raises concerns about the potential for stem cells to form tumors or other abnormal growths when used in therapies.

Therefore, further investigation is needed to better understand the mechanisms that control the growth and differentiation of stem cells and to identify any potential risks associated with their use in therapies. By gaining a better understanding of how stem cells and cancer cells behave, researchers can develop safer and more effective therapies using stem cells.

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The characteristic of neurons that is not true is that they are mitotic. Unlike other cells in the body, neurons cannot undergo mitosis or cell division. This means that when neurons are damaged or destroyed, they cannot be replaced through cell division like other cells in the body.

Instead, the body relies on other mechanisms such as neuroplasticity to compensate for the loss of neurons. Neuroplasticity is the ability of the brain to reorganize and form new neural connections in response to changes in the environment or to compensate for damage.  Neurons do have extreme longevity, and can last a lifetime if they are not damaged or destroyed. They also have an exceptionally high metabolic rate, which is necessary for the production and transmission of neurotransmitters and other signaling molecules. Finally, neurons conduct impulses, which allows for communication between different parts of the body and the brain.

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Neurons are not mitotic, meaning they do not possess the ability to divide and reproduce like other cells. They do exhibit extreme longevity, a high metabolic rate, and the ability to conduct impulses, essential for their primary role in the nervous system.

Among the provided options, the characteristic that neurons do not possess is that they are mitotic. In other words, neurons do not divide and reproduce in the same way that many other cells do. The other options are indeed properties of neurons. They have extreme longevity, meaning they can live and function for a person's entire lifetime. They do possess an exceptionally high metabolic rate since they are extremely active cells, requiring a consistent and rich supply of oxygen and glucose. Finally, neurons do conduct impulses, as this is their primary function in the nervous system. They transmit information throughout the body, allowing for mentally and physically coordinated activity.

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Answer/Explanation:

There are three alleles associated with the human ABO blood types. The A allele produces A antigens, the B allele produces B antigens, the O allele doesn't produce any antigens.

A is dominant to O, which is recessive. B is also dominant to O. This is simple dominance

However, A and B are co-dominant, meaning neither is dominant over the other. They are both expressed equally.

If an individual inherited two A alleles (AA) they are blood group A.

If an individual inherited an A allele and an O allele (AO) they are also blood group A.

If an individual inherited two B alleles (BB) they are blood group B.

If an individual inherited a B allele and an O allele (BO) they are also blood group B.

If an individual inherited an A allele and a B allele (AB), they are blood group AB.

The study of blood is called hematology.

The correct answer to the question is mentioned below.

According to the question,  There are three alleles associated with the human ABO blood types. The A allele produces A antigens, the B allele produces B antigens, the O allele doesn't produce any antigens.

A is dominant to O, which is recessive. B is also dominant to O. This is simple dominance. However, A and B are co-dominant, meaning neither is dominant over the other. They are both expressed equally.

If an individual inherited two A alleles (AA) they are blood group A.

If an individual inherited an A allele and an O allele (AO) they are also blood group A.

If an individual inherited two B alleles (BB) they are blood group B. If an individual inherited a B allele and an O allele (BO) they are also blood group B. If an individual inherited an A allele and a B allele (AB), they are blood group AB.

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Answer:

plants, particularly in terrestrial ecosystems, and algae in aquatic ecosystems. If the plants or other producers of an ecosystem were removed, there would be no way for energy to enter the food web, and the ecological community would collapse.

Answer:

The last one  and the first one.

hope I could help you pls give this answer a hart thx

Explanation:

Once a mammalian zygote has become a blastocyst and implants itself into the uterine wall, it will develop into B. Embryoblast.

After implantation, the blastocyst undergoes further differentiation and begins to form the three primary germ layers: the ectoderm, mesoderm, and endoderm. This process is known as gastrulation and is a critical step in the development of the embryo.

The embryonic cells that will give rise to the embryo itself are called the embryoblast or inner cell mass. The outer layer of cells that will form the placenta and other supporting tissues is called the trophoblast.

Overall, the process of embryonic development is complex and involves a series of coordinated cellular and molecular events that give rise to the many different tissues and organs that make up a mature mammal.

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Answer:

Demand and cost of a product is inversely proportional to each other. The environmental and health costs will also inversly proportioanl to the production of uses of goods and services in their marketplace.

It means, if there will be more production or uses of goods and services in the market, the cost of the environmental and health costs will decrease.

For example: if there are 4 to 5 general hospitals in an small area and people infected with partcular disease are more then the health cost in this area will be less or limited.

Acid secretion during the gastric phase is a. directly proportional to the amount of protein in a meal.

In other words, as the protein content of a meal increases, the amount of acid secretion by the stomach also increases. This is because the presence of proteins in the stomach stimulates the release of gastrin, a hormone that promotes the secretion of gastric acid by the parietal cells in the stomach lining.

The increased acid secretion aids in the digestion and breakdown of proteins, making them more readily available for absorption in the small intestine. In summary, the relationship between acid secretion and protein content in a meal is directly proportional, with higher protein meals resulting in greater acid secretion. So therefore the correct answer is a. directly proportional to.

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Northern blotting is a method that allows researchers to study the expression of a specific gene by measuring the amount of RNA produced by the gene.

To perform northern blotting, RNA is extracted from embryonic tissue at different stages of development, and the RNA is then separated by gel electrophoresis. The RNA is then transferred to a membrane and hybridized with a labeled probe that is specific to the gene of interest.

RT-PCR is a technique that allows researchers to measure the amount of mRNA produced by a specific gene. To perform RT-PCR, RNA is extracted from embryonic tissue at different stages of development, and the RNA is then reverse transcribed into cDNA using a reverse transcriptase enzyme.

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A soil horizon is a layer that is parallel to the soil surface and has different properties from the layers above and below in terms of its physical, chemical, and biological makeup.

Horizons are frequently defined by visible physical characteristics, primarily color and texture.

(i) Name one abiotic element that makes up the A horizon.

(II) The A horizon is home to a large number of macro- or decompressing invertebrates, including millipedes, earthworms, and pillbugs.

Abiotic factors, or everything that is not alive, such as minerals, water, and air, are included in the second category.

he most prevalent minerals that stimulate plant growth in soil are phosphorus, potassium, and nitrogen gas. Other, less common minerals include calcium, magnesium, and sulfur.

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Answer:

Features: Rough leaves in a long spiral pattern, Native to America

behaviors: heliotropism

Explanation:

Answer:

D. the size of the stomata

Explanation:

Guard cells regulate the opening of stomata by integrating different signals, both endogenous and exogenous (environmental). The ability of plants to control stomatal opening allows them to respond quickly to changes in the environment.