In order to provide nutritional information about food, scientists must evaluate how many calories a given food has per serving Given what you know about chemical and thermal energy, which is the best procedure for a scientist to use to determine how many calories are in a certain food?

A Burn the food and determine the change in temperature from the beginning to the end.

B Dissolve the food in water and determine how it changes the boiling point of the water.

C Burn the food and determine how much it raises the temperature of a known amount of water.

D. Dissolve the food in water and determine if it changes the standing temperature of the water.​

Answers

Answer 1

Answer:

                 

Explanation:

I am the thing that goes bump in the night. The shadow-like figure all are too afraid to identify in their room. The silent stalker of your waking nightmares and lucid dreams. Do not worry, I can- but will not- hurt you. Your family, however, doesn't have such luck. Do not warn them that I will be following their every move, or it will lead to a grizzly fate for you and your bloodline. I hope that my message has given you closure for the events to come.

In the meantime, you can pray for your family. Maybe I'll have mercy.

Answer 2

The best procedure for a scientist to use in order to determine how many calories are in a certain food is burn the food and determine how much it raises the temperature of a known amount of water. Option C is correct.


When food is burned, it releases thermal energy in the form of heat. The amount of heat energy released can be measured by observing how much it raises the temperature of a known amount of water. This is because water has a specific heat capacity, which means it requires a certain amount of energy to raise its temperature.

By burning the food and using a calorimeter (a device used to measure heat), scientists can accurately measure the amount of thermal energy released. This energy can then be converted to calories, which is a unit of energy commonly used to measure the energy content of food.

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Related Questions

What happens during photosynthesis?

Answers

during the process of photosynthesis cells use carbon dioxide and energy from the sun to make sugar molecules and oxygen.

Explain what the title of this article and video, "The Albatross, Harbinger of Human Migrations" means. In what ways should humans and their governments act like the scientists working with albatrosses

Answers

Answer:

Albatross are the indicators for migration of humans.

Explanation:

The Albatross, Harbinger of Human Migrations" means that Albatross are the indicators for migration of humans from that location. Humans and their governments act like the scientists working with albatrosses by making environment suitable for them. The humans have to reduce interventions in the places where they are present in order to increase occur in their population. governments should made policy for them to secure their habitat and prevent them from extension.

The epithelial cells of the small intestine have large numbers of mitochondria.
Explain how this is an adaptation for the function of these cells.

Answers

Answer:

★ - Mitochondria is site of ATP production.

★ - High respiration rate if there are lots of them for active transport.

★ - Needed for the metabolic activity - absorption of digested foods

Explanation:

Hope you have a great day ;-)

Mitochondria is the power house of ATP production, The epithelial cells of the small intestine have large numbers of mitochondria as it is needed  for the metabolic activity  like absorption of digested foods.

What are the function of mitochondria ?

Mitochondria is the power house of  the cell which is made up of double membranes responsible for production of energy, contain proteins, lipids, and nucleic acids.

If mitochondria is destroyed, the cell dies and the outer membrane of mitochondria is very similar to the nuclear membranes the nucleus where the inner membrane is bigger and forms multiple folds called cristae.

The area present between two membranes is called the matrix, have circular DNA, multiple proteins and essential molecules, it take of sugars by cellular proteins,  enter Krebs cycle produces smaller molecules.

When electron moved a spike of energy is generated called as ATP.

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Help!
I'll give you a brainly

Answers

Answer:

bro i was really gonna try to help you out but i could not find the answer anywhere.. so sorry (you dont have to mark me I really did want to help lol)

Explanation:

NEED HELP ASAPP!!!! 1. Which of these is smaller: a cell or a protein?

Answers

Answer:

[tex]\boxed {\boxed {\sf Proteins}}[/tex]

Explanation:

Proteins are found inside the cell. There are proteins in the cell membrane and cytoskeleton, they act as enzymes inside the cell, and they are created inside the cell during protein synthesis at the ribosome.

Since proteins are part of the cell and are made inside the cell, the proteins must be smaller.

The size comparison between a cell and a protein depends on the specific cell and protein being considered. In general, cells are larger than proteins.



1. Cells: Cells are the basic building blocks of life and can vary in size depending on the organism and cell type. For example, a human red blood cell has a diameter of about 7-8 micrometers, while a typical animal cell can range from 10 to 30 micrometers in diameter.

2. Proteins: Proteins are biomolecules made up of amino acids and have a variety of functions in cells. Proteins can vary in size, with some being relatively small and others much larger. For example, insulin is a small protein consisting of two polypeptide chains, each about 21 amino acids long. In contrast, titin is the largest known protein and can contain over 38,000 amino acids.

Therefore, while cells are generally larger than proteins, it is important to consider specific examples to accurately compare their sizes.

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please help, give explanation please!

Answers

Answer:

1. 0 chance (0%)

2. 2 chances (50%)

3. 4 chances (100%)

Explanation:

the way a punnet square works is that you basically multiply two genes. for example:

    b   b

B Bb Bb  

b bb bb  

then, if it's uppercase, it is dominant. if it's dominant, it will take over the recessive gene. if it was Bo, B being brown and dominant, and o being recessive and orange, then brown would take over. there are also cases with codominant but that's not in the question. feel free to ask me anything about this.

Which will most likely cause a decrease in the predator population? an increase in prey populations 2. a decrease in prey populations 3. a decrease in decomposers 4. an increase in producers.​

Answers

Answer:

[tex]\huge\boxed{\sf A \ decrease \ in \ prey\ population}[/tex]

Explanation:

Predators are those animals which hunt prey. Prey is the animals which is "hunted".

When the prey population is less (a decrease in prey population), There will not be more animals for "predators" to hunt and so, the competition of living will become more. Decrease in preys population would lead to a decrease in predator's population because many predators will die of hunger.

[tex]\rule[225]{225}{2}[/tex]

Hope this helped!

~AnonymousHelper1807

Answer: B a decrease in prey populations

Explanation: Because if there is a decrease in the predator population decreased, then wouldn't the prey.

what is the "Cell (plasma) membrane"? Question 1 options:

the structure that forms the surface of a cell separating its contents from the outside world.

a type of cell without a membrane-bound nucleus and without membrane-bound organelles, considered by scientists to be a more primitive type of cell than the more complex eukaryotic cells.

a small organelle, made of RNA and protein and found in both prokaryotic and eukaryotic cells, that forms proteins from amino acids .

a cell organelle that is essential to cell functions including reproduction, contains the cell's chromosomes, and is enclosed by a membrane.

Answers

Answer:

The first option

Explanation:

The cell membrane is the structure that forms the surface of a cell separating it's contents from the outside world.

Answer:

i think it is a type of cell without a membrane

Explanation:

i'm not sure sorry hawk i will look more into it to help through

What would happen to an animal cell with an internal salt concentration of 10% if it were placed in a salt solution with a concentration of 30%?

O The water would move out of the cell and the cell would decrease in size.

O The water would move into the cell and the cell would increase in size.

O The salt would move into the cell and the cell would increase in size.

O The salt would move out of the cell and the cell would decrease in size..​

Answers

Answer:

The water would move out of the cell and the cell would decrease in size.

Explanation:

This question is depicting OSMOSIS, which is the movement of water from a region of high concentration (low solute concentration) to a region of low concentration (high solute concentration) across a semi-permeable membrane. This movement is caused when a concentration gradient forms between the two sides of the membrane.

In this case, an animal cell contains an internal salt concentration of 10% while the salt solution has a concentration of 30%. This means that the animal cell is hypotonic (contains high water concentration) to the salt solution, hence, water would move out of the cell and the cell would decrease in size

examples of bacteriophage​

Answers

Examples of bacteriophages are: 1) Temperate phages (mu and lambda) 2) Filamentous and spherical phages , both having ssDNA (single stranded DNA)

Describe how the diversity of an ecosystem can change over time. Give example of the disturbance in your response and whether the diversity increases or decreases due to the change in the ecosystem .

Answers

Invasive species is the easiest way to answer this, with invasive species the diversity will likely decrease

What is the definition of photosynthesis?

a) the process of converting the energy in carbohydrate molecules into ATP
b) the process of changing light into stored chemical energy in the form of lipids
c) the process of changing light into stored chemical energy in the form of sugars
d) the process of converting the energy in oxygen molecules into ATP

Answers

the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.

What it means to take care of the earth​

Answers

Answer:

Caring for the earth refers to the sustainable use of natural resources, minimize the environmental degradation and pollution and maintain the earth as the favorable shelter for all the living beings. The caring capacity is the capacity of things to tolerate the pressure over them.

what can be produced from agirculture and used to replace fossil fuels. ​

Answers

Answer:

Biofuels

Explanation:

Biofuel can be produce from old rotting food like corn, which is produced form the ag industry.

What type of potential energy do skiers take advantage of?

Answers

Answer: gravitational potential energy

The skier possesses gravitational potential energy at the top of a slope, which transforms into kinetic energy as he moves down the slope.

hope this helps.. stay safe and have a great day... :D

what energy is made when food is dissolving in your stomach acid?

Answers

Answer:

Your stomach's primary digestive juice, hydrochloric acid, can dissolve metal, but plastic toys that go down the hatch will come out the other end as good as new.

What might happen to a cell if its cell membrane fails to function properly?

Answers

Answer:

If cell membrane fails to function then the cell will not be able to perform its task properly. The organelles will stop working which means no more protein created, no more energy production in the mitochondria and no material comes in and out of the cell. Eventually the cell will die.

Your welcome

Answer:

If the cell membrane is unable to do its job properly, this can cause the cell to stop working properly. If many cells have bad cell membranes, the disease can affect an entire organ or even the whole body. In many of these cell membrane diseases, proteins within the cell membrane don't transport materials properly.

Explanation:

which type of solution is ideal for carrying out cell functions in the body

Answers

Answer:

Blood Cells

Explanation:

The isotonic solution allow the cells to move water and nutrients in and out of the cells. This is necessary for blood cells to perform their function of delivering oxygen and other nutrients to other parts of the body.

Answer: Blood cells

Explanation: The isotonic solution allow the cells to move water and nutrients in and out of the cells. This is necessary for blood cells to perform their function of delivering oxygen and other nutrients to other parts of the body.

WILL GIVE THE VERY FIRST CORRECT ANSWER BRAINLIEST!!!

Match each organelle with the correct function.

1. protein synthesis
2. store calcium ions
3. create lysosomes
4. create energy through respiration
5. break down cellular food and waste
6. controls cell activity

1. lysosome
2. Golgi body
3. mitochondria
4. nucleus
5. smooth endoplasmic reticulum
6. rough endoplasmic reticulum

Answers

Answer:

lysosome/5

Golgi body/3

mitochondria/4

nucleus/6

smooth endoplasmic reticulum/2

rough endoplasmic reticulum/1

Explanation:

Please help me it's due in an hour.

Answers

Answer:

cheese

Explanation:

did i stutter ?

2. Which of the following are REACTANTS in PHOTOSYNTHESIS? ​

Answers

Answer:

Carbon dioxide, sunlight and water

Explanation:

that is right

What is the ratio of surface area to volume for a sphere with the following measurements?

Answers

Answer:

I believe it would be 8.292

Explanation:

I think it’s C. Check to make sure tho

How is the principle of superposition helpful in determining the age of the earth? Justify your response in two or more complete sentences.


How is stratigraphy helpful in determining the age of the earth? Justify your response in two or more complete sentences.


please hurry and answer both of these questions, this is important and put your answer again in the comments, thank you and please hurry.

Answers

Explanation:

The principle of superposition states that "in an undisturbed sequence of strata, the oldest is usually at the bottom and the youngest on top of it".

Judging by this, we know that sedimentary rocks are arranged on top of one another. We can use this to determine relative age because we know for sure the oldest layers are at the base of the sequence and the youngest are on top.

ii. Stratigraphy deals with the relative way in which strata are deposited in sedimentary basins.

It is useful in determining age of rocks because, rocks in different localities can be correlated using stratigraphic principles.

HELPPPP HURY ILL MARK YOU AS BRAINLIEST

Answers

Answer:

its b

Explanation:

the answer is C, because photosynthesis converts carbon dioxide and water into oxygen and glucose. glucose is used as food by the plant and oxygen is a by-product. cellular respiration converts oxygen and glucose into water and carbon dioxide. water and carbon dioxide are by- products and ATP is energy that is transformed from the process.

what is the most likely source of the increase in carbon dioxide in the atmosphere shown in the graph above

Answers

Answer:

I'm pretty sure its burning fossil fuels and stuff like that

WILL MARK BRAINLIEST!!!! Can someone help me wit dis question?
Summarize in 2-3 sentences the process of cellular respiration.

Answers

Answer: Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from oxygen molecules or nutrients into adenosine triphosphate (ATP), and then release waste products.

Explanation:

A student is comparing two solutions. Solution A has a pH of 4 and solution B has a pH of 10. Which best describes the solutions?

Solution B is more acidic than solution A.
Solution A is more acidic than solution B.
Solution B has more hydrogen ions than solution A.
Solution A has more hydroxide ions than solution B.

Answers

Answer:

Solution A is more acidic than Solution B

Explanation:

Answer:

The answer is B

Explanation:

I took the test and got it right :)

PLEASE HURRY!!!

Examine the leaves of a palm tree.

Which statement most specifically describes a palm tree? Choose one answer.

Palm trees are dicots.

Palm trees are monocots.

Palm trees are angiosperms.

Palm trees are flowering plants.

Answers

Answer:

the correct answer is B

Explanation:

palm trees are monocots

Answer:

b

Explanation:easy

Please list 15 facts about Black Jaguars.
At least 10 facts will be helpful.
I will give brainliest to whoever lists 10-15 facts.

Answers

The jaguar is a big cat in the Panthera genus, the jaguar's scientific name is Panthera onca.

The jaguar is the 3rd largest of the big cats after the tiger and the lion and it is the largest of all the big cats in the Americas.

Jaguar's are only found in the Americas. Their range extends from Arizona in South-west United States, Mexico, through Central America, into most Amazon River Basin countries in South America and as far south as northern Argentina.

The jaguar's preferred habitat is dense rainforest, but they are also found across other forested areas and open plains.

With its spotted coat the jaguar most closely resembles the leopard which is found in Asia and Africa, however, the jaguar is larger and has a stockier build than the leopard, it also has less but bigger rosettes (spots) with small dots in the middle. While the jaguars behavioural habits more resemble that of a tiger.

Like the tiger, jaguars enjoy water and are good at swimming.

Jaguars roam, hunt and live alone, only coming together to mate. They leave a scent to mark their territory. Female territories may overlap and range in size from 25 - 40 km2. While males territories are double that size, a male will aggressively protect his area (and the resident females within it) from other males.

The jaguar stalks and ambushes its prey, often leaping into water or from a tree.

Jaguars are carnivores, they prey on over 80 species of animal of all sizes, such as deer, pigs, capybara, foxes, fish, frogs and even large anaconda snakes.

The jaguar has a very powerful jaw, its bite exerts more force than that of a lion.

Male jaguars are about 10-20% larger than females. On average jaguars weigh between 124 - 211 lbs (56–96 kg) and are 4 ft to 6.5 ft (1.2 to 1.95 m) in length.

Jaguars live in the wild for 11-15 years, in captivity they can live over 20 years.

Many ancient American cultures such as the Maya and Aztec, featured the jaguar in their mythologies, it was often regarded as a symbol of strength.

Argentina's national rugby team badge includes a jaguar. However, a historical error resulted in the team being nicknamed to this day, Los Pumas (the pumas).








This is the part of the cell that is responsible for digesting things.
A: lysosomes
B: mitochondria
C: ribosomes

Answers

Answer:

A i believe

Explanation:

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