What was the most important invention to marine science?

Answers

Answer 1
The invention of the marine chronometer by John Harrison in the middle of the 18th century made true ocean navigation possible.

Related Questions

write one sentence using both words in the pair.
Taiga, swamp

Answers

Answer:

I went to visit a Taiga, which can sometimes be like a swamp.

it is very cold in taiga biomes unlike in hot and humid swamps

Which of the following does geothermal energy use to convert water to a source of energy?
O sun
O wind
O turbine/generator
coal

Answers

Geothermal energy uses a turbine/generator to convert water into a source of energy.

The correct option is C.

What is geothermal energy?

Geothermal energy is the thermal energy found in the crust of the Earth and is a byproduct of both planetary formation and radioactive material decay. Some rocks melt under the intense pressure and heat of the Earth's interior.

Geothermal energy can produce power, heat, and cool: Depending on the resource and technology chosen, geothermal energy can be used in a variety of ways, including generating electricity through geothermal power plants and heating and cooling buildings with geothermal heat pumps.

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about 40 percent of the energy content of nutrients is captured as atp. the remainder is lost as __________.

Answers

Answer:

Heat

Hope that helps :)

How triglycerides are modified and used in the krebs cycle to generate energy in the form of electron carriers (like nadh and atp)?

Answers

Triglycerides can break down acetyl CoA to enter the Krebs cycle.

Fats, known more formally as triglycerides. A triglyceride is made up of a three-carbon molecule called glycerol, and of three fatty acid tails attached to the glycerol.

In beta-oxidation, the fatty acid tails are broken down into a series of two-carbon units that combine with coenzyme A, forming acetyl CoA. This acetyl CoA can enter the Krebs cycle at different stages.

Glycerol can also be converted to glyceraldehyde-3-phosphate, an intermediate of glycolysis, and continue through the remainder of the cellular respiration breakdown pathway and further enter into the Krebs cycle.

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URGENT:

Energy exists in many forms: chemical, electric, kinetic, gravitational, etc. Nearly every function of the body requires energy in some form. Select a body system and in at least 3 paragraphs describe how it manages and transforms energy. Make sure to include specifics. Identify in what form the energy starts and to what it is converted. Explain the mechanism of its conversion.


if anyone could please help me it would mean so much to me

Answers

The muscular system relies on ATP and calcium ions as sources of energy for muscle contraction. The hydrolysis of ATP drives the sliding of myosin and actin filaments, while the release of calcium ions initiates muscle contraction by regulating the interaction between the filaments.

One of the body systems that heavily relies on energy is the muscular system, which is responsible for generating movement and maintaining posture. The energy required for muscle contraction comes from adenosine triphosphate (ATP), a molecule that stores energy in its high-energy phosphate bonds. The process of breaking down ATP to release energy is called hydrolysis, and it is catalyzed by an enzyme called ATPase.

During muscle contraction, ATP is broken down into ADP (adenosine diphosphate) and inorganic phosphate (Pi), releasing energy that drives the sliding of myosin and actin filaments in the muscle fibers. This sliding generates force, resulting in muscle shortening and movement. Once ATP is used up, the muscle must replenish its energy supply. This can be done through various mechanisms, including the phosphorylation of ADP back to ATP using stored creatine phosphate, glycolysis to convert glucose into ATP, and oxidative phosphorylation in the mitochondria to produce ATP from oxygen and nutrients.

In addition to ATP, the muscular system also relies on the storage and release of calcium ions (\(Ca_2^+\)) as a source of energy. \(Ca_2^+\) plays a critical role in initiating muscle contraction by binding to troponin, a protein that regulates the interaction between myosin and actin filaments. The release of \(Ca_2^+\) from the sarcoplasmic reticulum (SR), a specialized organelle in muscle cells, is triggered by an action potential that travels down the nerve fibers and reaches the muscle fiber. The binding of \(Ca_2^+\) to troponin leads to a conformational change that exposes the binding sites on actin, allowing myosin to bind and generate force. After contraction, \(Ca_2^+\) is pumped back into the SR to prepare for the next cycle of contraction.

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What is disruptive selection?

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In nature, not all individuals in a biological population has the same reproductive success. Additionally, the reproductive succes of an individual may be related to a heritable trait. Disruptive (natural) selection is operating when indivuals with extreme values for an heritable trait have a greater reproductive succes that the ones with intermediate values for the same trait.

what do you think would be a real-world application of being able to quantify glucose concentrations in samples of unknown concentration?

Answers

Being able to quantify glucose concentrations in samples of unknown concentration can have various real-world applications. One of the most significant applications is in the field of medicine, specifically in diabetes management.

Diabetes is a chronic metabolic disorder characterized by high blood glucose levels, and the ability to measure glucose concentrations accurately can aid in diagnosing and managing the disease.

Additionally, glucose quantification can be used in food and beverage industries to monitor glucose levels in products. For example, glucose is a vital component in the production of beer and wine, and quantifying glucose concentrations can help ensure the quality and consistency of the final product.

Moreover, glucose quantification can be useful in environmental monitoring. Glucose is commonly used as a carbon source in microbial growth media, and monitoring glucose levels in environmental samples can provide valuable insights into the microbial activity and metabolism of the ecosystem.

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which nutrients often limit the distribution and abundance of photosynthetic organisms? select all that apply.

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For nutrients like nitrogen or phosphorus are frequently a source of restriction for photosynthetic organisms (like kelp or phytoplankton).

While phosphorus (P) limitation typically occurs in tropical locations, nitrogen (N) is generally regarded as the primary limiting component in temperate regions. However, nutrient limitation in subtropical regions is little known.

Nitrogen (N), phosphorus (P), and potassium are the three main limiting nutrients in crop yield (K). These three nutrients are frequently added as parts of commercial fertiliser or manure to agricultural areas. You need to understand that the three limiting parameters for photosynthesis are light intensity, CO2 concentration, and temperature. Although a scarcity of water can slow down photosynthesis, other plant functions are typically affected before photosynthesis

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Which organism makes its home in taiga forests? parrots, snow, leopards, zebras, cactus​

Answers

Answer: leopards

Explanation:

a weather model applies mathematical equations to
each place on earth weather data have been collected.
the temperature in a location every 30 minutes.
each grid on a three-dimensional grid.
the average weather conditions in an area.

Answers

Answer:

c

Explanation: took test

Please help with this biology diagram

Please help with this biology diagram

Answers

Answer:

for the second drawing

it is an animal cellA is vacuoleB is mitochondriaC is Golgi apparatusD is rough endoplasmic reticulumE is ribosomesF is the nucleusH is the smooth endoplasmic reticulumI is cell membrane

The first one is plant cell because it has large vacoule and cell wall
B-Ribosomes
C-Cell wall
A-Vacoule
G-Endoplasmic Reticulum
F-Chloroplast
E-Mitochondria
D-Cell Membrane
J-Golgi apparatus
H-Nucleus
I-Cytoplasm

help plants
2 Which statement best summarizes the central idea and important
details of paragraph 3?
A
A forest food chain that includes leaves, caterpillars, sparrows,
snakes, eagles, hawks, vultures, and bacteria is one of the
longest in that ecosystem.
B
One forest food chain begins with caterpillars eating leaves.
Then birds, snakes, and larger birds eat each other. Finally,
bacteria in the soil decompose the remains.
CA forest food chain starts with trees, leaves, and caterpillars.
Birds eat the caterpillars and are eaten by snakes. The chain
continues until a vulture eats a dead hawk.
D One ecosystem may have many different food chains. One
example of a food chain in a forest involves leaves, caterpillars,
sparrows, snakes, eagles, hawks, vultures, and bacteria.

Answers

The best summary of paragraph 3 is:

D One ecosystem may have many different food chains. One example of a food chain in a forest involves leaves, caterpillars, sparrows, snakes, eagles, hawks, vultures, and bacteria.

What does a central idea portray?

Paragraph 3 provides an example of a food chain in a forest ecosystem, but it also emphasizes that there can be many different food chains in an ecosystem. Option A is incorrect because it only mentions the length of the food chain without providing additional details.

Option B is incorrect because it presents a simplistic view of a food chain that doesn't include all the organisms mentioned in paragraph 3. Option C is also incorrect because it leaves out important organisms in the food chain and doesn't mention the fact that there can be many different food chains in an ecosystem.

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When storm clouds produce lightning and thunder,

electric potential

energy changes to

energy and

energy.

Answers

Answer: light & sound energies (thermal too, not sure why they didn’t ask for that).

Insulin is an important hormone that allows the body to use glucose from food. After an individual eats a meal, glucose travels through the blood stream and reaches beta cells in the pancreas. The glucose causes the beta cells to release insulin. Insulin then travels through the blood stream and attaches to insulin receptors on other cells, which allows them to take in glucose and use it for energy.

Answers

Insulin allows cells in the muscles, liver and adipose tissue to take up this glucose and use it as a source of energy so that they can function properly.

What is Insulin?

Insulin is defined as a peptide hormone produced by the beta cells of the pancreatic islets in humans encoded by the INS gene, which is considered the body's main anabolic hormone.

Insulin is the essential hormone which allows the body to use glucose from food. After a person eats a meal, glucose travels through the bloodstream and reaches beta cells in the pancreas where glucose causes the beta cells to release insulin.

Thus, Insulin allows cells in the muscles, liver and adipose tissue to take up this glucose and use it as a source of energy so that they can function properly.

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a) Name the type of cell division that produces cell D from cell B.

(ii) Which organ in the male body produces cell C from cell A? ​

a) Name the type of cell division that produces cell D from cell B.(ii) Which organ in the male body

Answers

Answer:

It would be Meiosis, since diploid cells gets cut which turns into haploid cells. Even though sperm and egg production is differ. They still follow the same process. -maclittleseed

Explanation:

The type of cell division is Meiosis and the male gamete produces cell C from cell A.

What are the different stages of meiosis ?

The meiosis is a type of cell division which is up  two types such as Meiosis I and Meiosis II, subdivided into sub phases. In prophase I disintegration in nuclear envelope, chromosomes condensed and Spindle fibres formation occur.

In Prometaphase II, Spindle fibres bind at the centromere to the chromosome where as in Metaphase I, homologous chromosomes align at the equatorial plate.

Anaphase I in which chromosomes passes towards the opposite poles and In Telophase I, Spindle fibres disappear, reformation of Nuclear envelope occur followed by Cytokinesis.

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WILL GIVE BRAINLYEST
Introducing substances into
the air that may be harmful to living organisms or the environment is called
A) photolysis
B) eutrophication
C) air pollution
D) the chimney effect
E) entropy

Answers

Answer: C

Explanation:

Answer:

C

Explanation:

Explaination explaned

What is a gene? Describe the function, structure, and location of genes within the cell.

Answers

Answer:

Genes are a section of DNA that are in charge of different functions like making proteins. Long strands of DNA with lots of genes make up chromosomes. DNA molecules are found in chromosomes. Chromosomes are located inside of the nucleus of cells.

Hope this helps....

Have a nice day!!!!

A gene is the basic physical and functional untit of hereditary. Genes are made up of DNA. Some genes act as instructions to make molecules called proteins. But many genes do not code for proteins.

What is a mineral?
Think what is the opposite of shiny?
What do you think a property is?
Describe each property of minerals:Luster
Texture
Color
Streak
Hardness
Help plz it all have to be from the text

What is a mineral?Think what is the opposite of shiny?What do you think a property is?Describe each property

Answers

Answer:

A mineral is a naturally occurring inorganic element or compound having an orderly internal structure and characteristic chemical composition, crystal form, and physical properties.

matte, dull, unpolished, dark.

Standard names for luster include metallic, glassy, pearly, silky, greasy, and dull. It is often useful to first determine if a mineral has a metallic luster. A metallic luster means shiny like polished metal. OR.

Image result for Describe each property of minerals:Luster Texture Color Streak Hardness. Color and luster describe the mineral's outer appearance. Streak is the color of the powder. Mohs Hardness Scale is used to compare the hardness of minerals. Cleavage or the characteristic way a mineral breaks depends on the crystal structure of the mineral.

Explanation:

What is a controlled experiment? Describe an example you could perform to determine whether ants are more attracted to Kool-Aid® or to honey.

Answers

Answer:

A scientific control is an experiment or observation designed to minimize the effects of variables other than the independent variable. This increases the reliability of the results, often through a comparison between control measurements and the other measurements.

Hope this helped a bit c;

I feel like you are able to answer the rest of this question.

The family camelidae includes camels and llamas. Do all the living members of the family form a clade? explain.

Answers

No, not all living members of the family Camelidae form a clade. A clade is a group of organisms that includes a common ancestor and all of its descendants.

In the case of the family Camelidae, the living members include camels (genus Camelus) and llamas (genus Lama), as well as their domesticated varieties and related species such as alpacas.

However, the family Camelidae also includes extinct species of camelids that are not part of the clade formed by camels and llamas. These extinct species, such as the giant camelids (genus Aepycamelus) and the extinct South American camelids (genus Hemiauchenia), branched off from the evolutionary lineage at different points and do not share a recent common ancestor with camels and llamas.

Therefore, while camels and llamas form a clade within the family Camelidae, the inclusion of extinct species within the family means that not all living members of the family Camelidae belong to the same clade.

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Which would have more humus a desert or a forest

Answers

Answer:

a forest

Explanation:

thinks don't really grow in the desert

Which drug would interfere with the sterol synthesis in fungi? Micafungin Clotrimazole Naftifine Polyene

Answers

Polyene is a drug that interferes with the sterol synthesis in fungi. This drug has a long answer. Want to know more about the drug Polyene and its impact on sterol synthesis in fungi.

Let's take a look.What is Polyene?Polyene is an antifungal medication that functions by binding to ergosterol in fungal cell membranes. The Polyene medication forms a complex with the fungal cell membrane's ergosterol, causing the cell membrane to lose its integrity. Polyene prevents fungal cells from growing and dividing as a result of this binding. It's used to treat a variety of fungal infections

.Polyene has a significant effect on the sterol synthesis in fungi. Ergosterol is a fundamental component of the fungal cell membrane. Polyene binds to ergosterol, which disrupts the cell membrane's composition, causing the cell to die. As a result, Polyene medications can treat a variety of fungal infections caused by Candida, Aspergillus, Cryptococcus, and other fungi. Thus, the correct answer to the question is Polyene as it interferes with the sterol synthesis in fungi.

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the test in which a catheter is used to fill the bladder with carbon dioxide gas to measure urinary bladder capacity is known as

Answers

The test you are referring to is called the cystometrogram (CMG) or urodynamic study.

During a CMG, a catheter is inserted into the bladder through the urethra, and carbon dioxide gas is used to fill the bladder to measure its capacity. The pressure inside the bladder is also measured during the filling process to assess the bladder's ability to expand and contract. This test is commonly used to diagnose conditions such as overactive bladder, urinary incontinence, and neurogenic bladder. It can also be used to monitor the effectiveness of treatment for these conditions. While the test may cause some discomfort or pressure, it is generally considered safe and well-tolerated. In conclusion, the cystometrogram or urodynamic study is a valuable diagnostic tool that can help healthcare providers evaluate urinary bladder function.

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Which type of problem requires human intuition as the basis for finding a solution. a. Structured b. Unstructured c. Semistructured d. none of the above.

Answers

Human intuition is required as the basis for finding a solution in unstructured problems.

What type of problem relies on human intuition?

Unstructured problems require human intuition as the basis for finding a solution. These problems do not have a clear and well-defined structure or set of steps to follow. Instead, they often involve complex, ambiguous, and open-ended situations that require creativity, critical thinking, and deep understanding. Human intuition plays a crucial role in navigating through the uncertainty and making decisions based on personal experiences, insights, and gut feelings. It involves tapping into one's tacit knowledge, pattern recognition abilities, and the ability to make connections between seemingly unrelated information. Unstructured problems can be found in various domains, such as business strategy, innovation, design, and complex decision-making scenarios.

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how will an increase in number of malaria infection would affect the south african economy​

Answers

Malaria is one of the world's most serious tropical diseases and imposes very significant economic costs on some of the poorest nations on earth. This study estimates the direct and indirect costs of malaria to South Africa and examines the issues surrounding the use of DDT as an anti-malaria insecticide.

Early records of malaria cases by Europeans in the late 19th and early 20th centuries show that malaria was a severe inhibitor of economic development and caused large economic costs. The current malarial areas in South Africa today are about one fifth of the size they were at the beginning of the 20th century. The historical success in controlling malaria is due in very large part to the use of DDT in malaria vector control.

In recent years, however, there has been a sharp rise in the number of malaria cases in South Africa, and indeed throughout Southern Africa. This rise is due to a number of factors, such as high rainfall in recent years, increased migration and a reduction in the use of DDT in vector control. The rise in malaria cases imposes heavy costs on the local and national economies. The economic cost (direct costs include the costs of care and control of malaria, and indirect costs include the losses in productivity and lost future earnings from death) of malaria in South Africa is conservatively estimated to be around R124 million (US$20 million) in 1997/98. Malaria in selected Southern African countries could cost as much as US$1,000 million, or 4% of GDP in 1998. In South Africa, malaria usually occurs in rural areas with agricultural and labour intensive industries. The incidence of malaria in these areas has severe economic impacts and as in the past, continues to hamper economic development

For a number of reasons, DDT is being phased out of the malaria control programmes in South Africa. Numerous environmentalist organisations have lobbied strongly for the banning of DDT, despite the success of the insecticide in saving lives and preventing disease in developing countries. While DDT is not an ideal insecticide, it does have numerous advantages over the alternative insecticides and has a proven track record. Although DDT is currently used by a number of Southern African countries in malaria control programmes, the UNEP Governing Council is pressing for the banning of DDT and eleven other persistent organic pollutants (POPs).

The potential banning of DDT highlights a trend whereby environmental pressure from mostly developed countries imposes standards on developing countries where they are neither accepted nor appropriate. While there are alternatives to DDT, these are all more expensive and frequently more complicated to use than DDT. The banning of DDT would not only remove an important anti-malaria weapon, but will result in countless deaths and very significant economic costs (perhaps as much as US$480 million) on countries that can ill afford it. Hope this helps! Mark brainly!

In the body, the major storage sites for glycogen are the muscles and.

Answers

Answer:

Muscles and Liver

Explanation:

The two storage sites are muscles and liver

I NEED HELP IM SO CLOSE TO PASSING!​

I NEED HELP IM SO CLOSE TO PASSING!

Answers

Part one is a semi-permeable membrane that separates the two solutions and allows bi-directional transport

Answer:

That is the cell membrane

Explanation:

The cell membrane is semipermiable so it can allow certain molecules to move between the membrane. That way the cell gets the necessary nutrients.

I need help for the 9th one pleaseeee phtt AIltosie below: Lplss mpl s Me 2pkos Telokace Complete the table by checking: the correct Dutement lumo for Gachstatement. Interphase Mitosi: Cell Erowth occurs Nuclear division occurs Chromosomes are finishing moving into separate daughter cells Chromosomes are dupllcated DNA synthesis occurs Where cells spend most of their life Mitochondria and other organelles are made Use the following illustrations for questions 23 - 32 23. In cell A, what is the structure labeled X? 24, In cell F, what is the structure labeled Y? 25 Which cell is not in a phase of mitosis? New nuclear membranes are forming in B. What is this phase called? Ekrsi 26. 4hb 27. Sequence the six diagrams chronological order from first to last: move to the middle of the cell during? Me: Chromosomes Qhase 28. 29, When do the sister chromatids separate? LnlL Zhase 30. During which phase do chromosomes first become visible? Dhosphise 13 has 46 chromosomes, how many chromosomes will each daughter cell have after mitosis? 31. If a cell Lbei'

Answers

Interphase mitosis happened when Cell growth occurs, Nuclear division does not occur, Chromosomes are not duplicated, DNA synthesis does not occur, Cells spend most of their life in Interphase, Mitochondria and other organelles are made.



In Cell A, structure X is a centriole, in Cell F, structure Y is a centromere, Cell B is not in a phase of mitosis, the new nuclear membranes forming in Cell B is a prophase.

Sequence the six diagrams in chronological order from first to last: Prophase, Metaphase, Anaphase, Telophase, Cytokinesis. During metaphase, chromosomes move to the middle of the cell.

Sister chromatids separate during Anaphase, chromosomes first become visible during Prophase, if a cell has 46 chromosomes, each daughter cell will have 46 chromosomes after mitosis.

The interphase is the cell's preparing phase before entering the division phase (M phase). The G1 phase, also known as the first growth phase, is the first phase, during which the cell enlarges. The cell next moves into the synthesis phase, also known as the S phase, where DNA, the cell's genetic material, is reproduced.

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Saw grass takes in energy during photosynthesis. What happens to most of this energy?.

Answers

It holds the energy im pretty sure

a protein produced by the mutated sequence will differ in what?

Answers

By changing a gene's instructions for making a protein, a variant(mutated protiens) can cause a protein to malfunction or to not be produced at all. When a variant alters a protein that plays a critical role in the body, it can disrupt normal development or cause a health condition.

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