What kinds of waves do earthquakes produce?

• seismic waves
• longitudinal waves
• transverse waves
• heat waves

Answer:

D

Explanation: the bones can becomew brittle from not haveing calcium

It happens through 3 stages

In Meiosis one the cell produces diploid daughter cells by combining homogeneous and heterogeneous chromosomes.

In Meiosis two these diploids again tear apart to produce haploid daughter cells

Answer:

The correct answer is ''originate as closed-ended tubes associated with blood capillary networks.''

Explanation:

The lymphatic vessel system begins within the tissues in the form of tubes closed at one end called lymphatic capillaries (chyliferous in the intestine). These have an internal endothelial lining, similar to that of blood capillaries. These vessels are found in greater numbers in the skin, the digestive tract, and the respiratory system. The tissue fluid penetrates the lymphatic capillaries by diffusion, with the help of a small indirect pressure gradient, which gives it the arterial pressure. The walls of the lymphatic capillaries offer little resistance to the entry of substances; they are more permeable than capillaries in the blood system. The tiny capillaries form larger vessels, similar to the venules and veins of the blood vessel system. The walls are thinner than those of the veins of the blood system and its valves much more numerous.

The Steps in the production of influenza virus, using T7 promoter region and kozak sequence have been described below

The production of influenza virus using T7 promoter region and kozak sequence involves several steps:

Designing and synthesizing a DNA plasmid that contains the T7 promoter region, kozak sequence, and the influenza virus genes of interest.

Transfecting the DNA plasmid into host cells that can support influenza virus replication. Common host cells used for influenza virus production include MDCK, Vero, and HEK293T cells.

Allowing the host cells to express the T7 RNA polymerase enzyme, which will recognize the T7 promoter region on the DNA plasmid and transcribe the influenza virus genes into RNA molecules.

Transfecting the host cells with an RNA molecule that contains the influenza virus non-structural proteins (NS1 and NS2). These non-structural proteins are required for efficient replication of the influenza virus RNA.

Allowing the host cells to assemble and release influenza virus particles.

Collecting the influenza virus particles from the cell culture supernatant, and purifying them using techniques such as ultracentrifugation or column chromatography.

Performing quality control tests on the purified influenza virus particles, such as hemagglutination assays or plaque assays, to ensure that the virus is of high quality and purity.

Storing the purified influenza virus particles in a freezer at -80°C until ready to use for research or vaccine production.

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Answer:

1) Proteins consist of the elements carbon, hydrogen, oxygen, nitrogen, and sulfur. Whereas nucleic acids are Nitrogen (N), Oxygen (O), Carbon ( C), Phosphorous (P), and Hydrogen (H)

2) Nucleic acid monomers are called nucleotides; protein monomers are called amino acids.

Explanation: Proteins are one of the primary constituents of living matter. They consist of long chains of amino acids, which are bonded together by peptide linkages and are thus called polypeptides. There are about 20 amino acids, and the atoms most prevalent in these are carbon, hydrogen, oxygen, nitrogen, and sulfur.

Nucleic acids contain the same elements as proteins: carbon, hydrogen, oxygen, nitrogen; plus phosphorous (C, H, O, N, and P).  Carbon, hydrogen, oxygen, nitrogen, and phosphorous act as the building blocks for nucleic acids. and the five elements necessary to construct a nucleic acid chain are carbon, hydrogen, oxygen, nitrogen, and phosphorus.

YOU HAVE TO DO # 3 though I'm not doing it all for you

Answer:

B

Explanation:

I think it’s B

Answer:

B

Explanation:

There would be no oxygen, so the fish couldn't survive in that water.

An ability to produce maximal muscle force. Therefore option 5 is correct.

While cardiorespiratory fitness does contribute to overall physical fitness and can indirectly influence muscle strength and endurance, it is not the sole determinant of an individual's ability to produce maximal muscle force.

Factors such as muscle size, neuromuscular coordination, and specific resistance training play more significant roles in maximal muscle force production.

Exercise prescription: Cardiorespiratory fitness is a key consideration when designing an exercise prescription.

It helps determine the appropriate intensity, duration, and type of exercise that individuals should engage in to improve their cardiovascular and respiratory function.

The health of the vessels: Cardiorespiratory fitness is closely tied to the health of blood vessels. Regular aerobic exercise improves endothelial function, which is the ability of blood vessels to dilate and constrict properly.

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Answer:

They can convert research by Willie sending out the info that hey we need to be more careful with the themes that we use which we sat our universe. We can solve environmental problems by dissolving some of them over the times that we live on.

Explanation:

*Can I be the Brainliest please?*

Scientists observe and understand environmental problems and then find solutions for that problems.

Environmental problems are those issues that have an impact on the environment. Some of the environmental issues include temperature rise, deforestation, and global warming.

On the planet, issues including pollution, waste management, and biodiversity loss are on the rise. Scientists are working in several institutes to find a solution to this issue.

On the planet, issues including pollution, waste management, and biodiversity loss are on the rise. Scientists are working in several institutes to find a solution to this issue.

Environmental challenges are a continuing focus for Wyss Institute researchers. Other conventions have been put in place, such as the Montreal Protocol, which was put in place to protect the ozone layer.

Therefore, Scientists observe and understand environmental problems and then find solutions for that problems.

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The two similarities between chromosomes that you get from your parents are Genetic Material and Number of Chromosomes.

In terms of Number of chromosomes: Every Humans have 23 pairs of chromosomes, for a total of 46 chromosomes. Each parent contributes 23 chromosomes to their child, for a total of 46.

in tems of Genetic material: The chromosomes that you get from your parents contain the same genetic material. This is why you look like your parents and why you have inherited some of their traits.

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Answer:

high in protein i believe.

Explanation:

Genotype ; RR, Rr, rr

Phenotype ; Physical

An organism's genotype is made up of all of its genetic components. The alleles or variations that an individual carries in a specific gene or genetic region are also referred to as the genotype.

Blood Genotype: What is it? A blood genotype reveals the complete genetic composition of a person's blood. There are typically five (5) unique blood genotype types. These letters are AA, AS, AC, SS, and SC.

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The effects of cutting the potato sticks into eight pieces would increase the surface area of the potato, and having more surface area means more area for enzymes to interact with the potato so it can be cooked easily.

When the potato is cut into eight pieces, the surface area increases, and as the surface area increases, the cooking time decreases because the enzymes are exposed and can be deactivated when exposed to heat. So vegetables are cut before cooking.

Hence, effects of cutting the potato sticks into eight pieces would increase the surface area of the potato, and having more surface area means more area for enzymes to interact with the potato so it can be cooked easily.

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Answer:

Expired food and drugs; expired food and drinks that has stayed beyond the appropriate time

Impure water; impure water is dirty water that is not fit for the body system

Unripe fruits; fruits that is not yet due for...

Infested food

Poorly cooked food

Cigarette

Explanation:

Answer:

Social opinion can help pass laws regulating scientific practices.

Explanation:

It's true

The wing of a bald eagle is homologous to the wing of a penguin. Homologous structures are structures that are of similar evolutionary origin.

Homologous structures are  described as anatomical features found in different species that have a common evolutionary origin. These structures may have different functions in different organisms, but they share a similar underlying structure and can be traced back to a common ancestor.

The wing of a bald eagle and the wing of a penguin are considered homologous structures because they both evolved from a common ancestral structure, even though they serve different purposes  which is flight in the case of the bald eagle and swimming in the case of the penguin.

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Tar is a sticky-brown substance that collects in the lungs when you breath in cigarette smoke. Tar contains cancer-causing chemicals.

Smoking causes cancer, heart disease, stroke, lung diseases, diabetes, and chronic obstructive pulmonary disease, which includes emphysema and chronic bronchitis.

In general , 40% of lung cancer cases occurred in people who had quit smoking more than 15 years before their diagnosis. yes smoking speeds up the cancer spreading . Cigarette smoking is the number one risk factor for lung cancer. Studies suggests, cigarette smoking is linked to about 80% to 90% of lung cancer. While using other tobacco products such as cigars or pipes also increases the risk for lung cancer.

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The ancestor of all life on earth. According to scientific law, everything is drawn toward the centre of the globe.

Contrary to popular belief, Earth doesn't have a recognized international name. "Terra" is only a widespread misunderstanding of the planet's scientific name. Earth is the planet's commonly used name in English, including in science.

The sun, that is a star, is orbited by the Earth, an instance of a planet. Typically, a star is described as a mass of gas that is sufficiently massive and dense for nuclear fusion to occur at its core due to heat and pressure. This is a technical term for saying that something glows or burns, as our sun.

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Answer:

induction or repression of enzymes

Explanation:

Hormones are chemical messengers which are secreted by endocrine glands and regulate the rate of existing activities, usually through the induction or repression of enzymes within distant target cells via the endocrine system. They travel in the bloodstream, having slower, but longer lasting effect and are effective in small quantities.

hope it helps

The mechanism by which the secretion of a hormone is followed by travel to a distant target cell is primarily through the bloodstream. Once in the bloodstream, hormones are carried throughout the body, allowing them to reach their target cells or tissues.

Hormones are usually released in small amounts but have potent effects on target cells. The binding of a hormone to its specific receptor triggers signaling pathways within the target cell, leading to changes in cellular function or gene expression.

The travel of hormones through the bloodstream ensures their widespread distribution and enables them to reach distant target cells located in different organs or tissues.

This mechanism allows hormones to exert their regulatory effects on various physiological processes, including growth and development, metabolism, reproduction, and homeostasis.

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Answer:

about 5% of the ocean had been explored as of this video being filmed in 2007.

Explanation:

He said it in the video

The stages of bee development are egg, larva, pupa, and adult. Eggs hatch into larvae, which then transform into pupae. Finally, adult bees emerge and undergo further maturation.

The stages of bee development are:

1. Egg: The bee life cycle begins when the queen bee lays an egg in a honeycomb cell.

2. Larva: The egg hatches into a larva, which is a legless, grub-like creature. The larva is fed a special diet called royal jelly, which stimulates its growth.

3. Pupa: The larva undergoes metamorphosis and transforms into a pupa. Inside the sealed cell, the pupa undergoes various changes, developing into an adult bee.

4. Adult Bee: After completing the pupal stage, the fully developed adult bee emerges from the cell. The bee then undergoes further maturation, such as its exoskeleton hardening, wings expanding, and adult coloration appearing.

It's important to note that there are three castes of bees: queen, worker, and drone. The development process for each caste is similar, but the diet and size of the cells they are raised in differ, leading to their distinct roles within the colony.

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Answer:

true

Explanation:

By moving warm water and precipitation from the equator to the poles and cold water from the poles back to the tropics, ocean currents function much like a conveyer belt. As a result, currents control the climate globally, helping to balance out the unequal distribution of solar energy that reaches the surface of the Earth.

By moving warm water and precipitation from the equator to the poles and cold water from the poles back to the tropics, ocean currents function much like a conveyor belt. In order to balance out the unequal distribution of solar energy reaching Earth's surface, ocean currents govern the global climate.

Vertical shifts are referred to as upwellings or downwellings, while horizontal motions are known as currents. The transmission is made possible by this abiotic mechanism.

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Answer:

It starts with a bend in a river then the river erodes the bend until it goes through the bend and the old bend keeps its water and becomes a lake

Answer:

here you go

Explanation:

when you get a meander the lake slowly erodes from the inside, because water will always want to take the faster route( which would be straight ) the lake will slowly cute off the meander while dumping the rivers load forming an oxbow lake

Answer:

Due to the presence of larger vessels.

Explanation:

Due to the presence of larger vessels of hardwoods in the tree, water move faster in that tree as compared to other type of plants. in smaller plants, small vessels are present which able them to move less amount of water as compared to large trees which have large vessels. It tells us that the tree adopted the environmental changes so that's why to overcome the change, they use more water.

Answer:

One possible hypothesis that could be developed from this data is that the number of fish observed in the body of water is positively correlated with the amount of dissolved oxygen in the water sample. This hypothesis suggests that as the amount of dissolved oxygen in the water increases, the number of fish observed in the water also increases.

This hypothesis is based on the observation that the number of fish observed in the body of water increases from 0 to 13 as the amount of dissolved oxygen in the water sample increases from 0 to 10 ppm. However, the number of fish observed decreases slightly at 14 ppm and then increases again at 16 ppm. This could suggest a possible threshold effect, where a certain level of dissolved oxygen is necessary for fish survival and growth, but too much dissolved oxygen could also have negative impacts on fish populations.

Overall, this hypothesis could be further tested and refined through additional data collection and analysis, as well as consideration of other factors that could influence fish populations, such as water temperature, pH, and nutrient levels.

Hope this helps!

Answer: Site B

Explanation: I took the test。