The new nutritional graphic, MyPlate, is designed like a table setting to provide a relatable and easy-to-understand guide for creating a balanced meal with appropriate proportions of food groups. It aligns with the USDA's recommended dietary guidelines and works in conjunction with nutrition facts labels to aid in healthy food selection.
Explanation:It is helpful that the new nutritional graphic is shaped like a table setting because it offers a simple and intuitive guide to healthy eating at each meal. The tool in question, MyPlate, developed by the United States Department of Agriculture (USDA), replaces the former MyPyramid and is a visual guide detailing the proportions of the five food groups: vegetables, fruits, grains, protein, and dairy. This format mimics an actual place setting, which makes it easier for individuals to relate the guidelines to their everyday meals. The design encourages the incorporation of healthy eating patterns by illustrating a balanced plate that contains a variety of food groups at appropriate proportions.
In practice, MyPlate communicates that half of the plate should be filled with fruits and vegetables, the other half should be grains and proteins—with a higher proportion of grains—and dairy products are represented by a drink but can include other dairy forms. Additionally, nutrition facts labels provide specific information about the nutrient content and ingredients of packaged foods, aiding individuals in making informed choices that align with nutritional guidelines. Together, MyPlate and nutrition facts labels are tools that support the public in understanding nutrient and energy density which is key to making healthier food choices.
what are two ways that a cell can move a substance against its concentration gradient
Final answer:
Cells can move substances against their concentration gradient primarily through active transport and the use of carrier proteins or pumps, both of which require energy from ATP.
Explanation:
The question asks about two ways that a cell can move a substance against its concentration gradient. One primary way is through active transport, where the cell utilizes energy in the form of adenosine triphosphate (ATP) to move substances from an area of lower concentration to an area of higher concentration. The most common example of active transport is the sodium-potassium pump, which moves sodium out of cells and potassium into cells against their respective concentration gradients.
Another method involves the use of carrier proteins or pumps that also require energy from ATP to function. These proteins bind to the substance to be transported, undergo a change in shape that allows them to carry the substance across the cell membrane against the gradient. This mechanism is critical for maintaining the necessary concentrations of ions and other substances within the cell, despite passive movements that may tend to equalize concentrations across the membrane.
what does a kangaroo lack that a mammal such as a dog and cat have
The answer should be:
Placenta
If you'd like to know why:
The gestational period of kangaroos and other marsupials is not very long. Although they do give birth to live young, they give birth early. The off-spring is essentially just an embryo when the mother gives birth and it just latches on the nipples and develops for weeks to months.
Note: Its not really that they do not have a placenta, but theirs are just very different. Placentas in other mammals provides nutrients and blood supply to the fetus internally, but in marsupials, the nutrients provided in the womb comes from the yolk of the ovum, which serves as the placenta.
the answer is placenta.
What is the medium of the sound of sound waves from a speaker
is the Nucleolus in plant cells or in animal cells or both?
The nucleolus is present in both plant and animal cells. It is responsible for assembling ribosomes and is located within the nucleus.
Explanation:The nucleolus is a distinct structure found in the nucleus of eukaryotic cells. It is present in both plant and animal cells.
The main function of the nucleolus is to assemble ribosomes, which are involved in protein synthesis. It is composed of proteins and ribosomal RNA (rRNA).
In plant cells, the nucleolus is usually located within the nucleus and may have multiple nucleoli, while in animal cells, it is typically a single nucleolus.
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A white cat and a brown cat are as follows: WW + bb. Can the first generation yield a brown cat?
the protein in the cell membrane
A)remain in fixed positions
B)allow small molecules that can dissolve in liquid to pass into the cell
C)transport certain molecules into or out of the cell
D)prevent osmosis from taking place
To r
Describe the relationship among temperature heat and thermal energy
Which organism has ganglia?
Select one:
a. flatworm
b. fish
c. sponge
d. hydra
If the earth's mantle were completely solid, _________plates could not move around
If the earth's mantle were completely solid, tectonic plates could not move around.
What are tectonic plates?Tectonic plates are defined as a scientific theory that describes how the Earth's underground movements result in the formation of significant landforms. The fundamental landforms are thought to be the result of the Earth's subsurface motions, according to the scientific theory of plate tectonics. By explaining a wide range of phenomena, including as mountain-building events, volcanoes, and earthquakes, the theory, which became firmly established in the 1960s, revolutionized the earth sciences.
The heat generated by nuclear reactions taking place inside the planet's center causes the plates to move periodically toward and occasionally away from one another. Tectonic shift is another name for this movement.
Thus, if the earth's mantle were completely solid, tectonic plates could not move around.
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Why are atoms of lithium, sodium, and potassium almost never found alone in nature
Answer:
The elements are exist in nature in the combined and the free state. The metals and non metals may combine with the other elements in the nature.
Lithium, potassium and sodium are the highest reactive element. If they present in the free state, they can explode in the air catches fire easily. This is the main reason that they never found in the free state in the nature.
How is geologic time organized on the geologic time scale?
A. Millennia and then smaller periods based on geologic and biologic events that occurred.
B. Eras and then smaller millennia based on geologic and biologic events that occurred.
C. Periods and then smaller eras based on geologic and biologic events that occurred.
D. Eras and then smaller periods based on geologic and biologic events that occurred.
Answer:
D. Eras and then smaller periods based on geologic and biologic events that occurred.
Explanation:
Geologic time corresponds to a chronological scale that encompasses the billions of years of planet Earth, from its origin to the present day. Geologic time is represented on the geological time scale and is divided into four units, namely: eons, ages, minor periods and epochs. This division is based on geological and biological events that have occurred since the formation of the earth to the present day.
We need to distinguish between the geological timescale and the historical timescale. Geologic time refers to the process of the emergence, formation and transformation of planet Earth. Historical time, in turn, refers to the emergence of human civilizations and their capacity for written communication.
Geologic time is organized into eons, which are divided into eras, then periods, epochs, and ages, marking major events in Earth's history, including changes in geology, climate, and evolution of life.
Geologic time is organized on the geologic time scale by dividing Earth's history into divisions based on major changes in geology, climate, and the evolution of life. This classification starts with the largest unit, eons, which are divided into eras. Each era is further subdivided into periods, and then periods may be further split into epochs and ages. An example of these divisions is the Phanerozoic Eon, which includes the Mesozoic Era, within which is the Cretaceous Period. This system of organization helps geologists and other scientists to understand and communicate information about the Earth's vast history with greater precision and context.
This system relates to the structure and support of an organism. It is made of salts and proteins and found in vertebrate animals.
Answer: Skeletal System
Explanation:
The skeletal system of the body helps the body in their movement and support. The skeletal system of the body is made of salts and proteins.
The skeletal system is the basic structure which provides the body its structure. The main function of this system is to help in movement of the body like bending, walking, sitting, et cetera.
The main constituents of bone is salts of calcium and phosphate. This makes the bones so strong that it can handle weight of the whole body.
what force causes all types of mass movement
Earth's sysems can interact quickly or over long periods of time. Give two examples of how Earth can change quickly and two examples of how it changes ovr long periods of time.
What is scientific inquiry?
What are conductors like this flannel shirt,iron skillet, copper pipe, and oven mitt
Iron skillet and copper pipe are conductors, while flannel shirt and an oven mitt are insulators.
Thermal conductors are materials that transfer heat well due to the movement of free electrons or atomic vibrations. Metals such as iron (in the skillet) and copper (in the pipe) are excellent thermal conductors, explaining why they're also good electrical conductors. This is linked to the high density of free electrons in these metals, which allows them to transport thermal energy efficiently. Examples of thermal conductors include silver, copper, gold, and aluminum, which are all noted for their ability to conduct electricity as well.
Conversely, materials like the flannel shirt and oven mitt are thermal insulators. Thermal insulators are materials that do not conduct heat effectively, which can be due to their lack of free electrons or their structure that obstructs heat transfer. These are often used to prevent the transfer of heat, keeping us warm or protecting us from heat, as with an oven mitt. The handles of cooking utensils are typically made from poor thermal conductors to prevent burns when handling hot cookware.
Len was alone, in a strange place, in a new situation, feeling afraid. His body reacted by producing the hormone adrenalin. How did the adrenalin make Len feel?
He began to feel happy and cheerful.
or he felt calm and at ease.
Or He became shaky and his heart thumped.
Or He didn’t feel any different.
Thunderstorms moving into an area may cause what?
If scientists wanted to learn more about evolutionary history, they would study all but one of these molecules. Which biological molecule would NOT offer much information about the history of life?
Phospholipids
Explanation;Nucleic acids are among the four major Biomolecules, others being proteins, lipids and carbohydrates. Nucleic acids are divided into two; RNA and DNA.By studying information about nucleic acids between organisms scientists are able to establish the evolutionary origin among organisms. DNA molecules are fundamental molecules in organisms since they carry genetic information in living organisms. DNA sequences similarity among various organisms may be used to establish evolutionary relationship among living organisms.Many organisms have distinct DNA sequences, however, animals may share some specific types of genes which are similar genetically in the sequences of DNA.Proteins on the other hand are formed as a result of gene expression, therefore, proteins may be used to establish information about the gene sequences and more so the DNA. thus proteins may be used to establish evolutionary history among various organisms.Answer:
the answer is D.
phospholipids
Explanation:
what happens during respiratory failure? A oxygen and waste carbon dioxide are not effectively exchanged B waste is not removed from the body C the blood is not effectively pumped through the body D food is not properly digested
I am pretty sure it is A) oxygen and waste carbon dioxide are not effectively exchanged.
how is a punnett square used to show both the phenotype and genotype of both parents and offspring
I just need to know whether this is a conductor or insulator flannel shirt, iron skillet,copper pipe,oven mitt
Which structures that distinguish a eukaryotic cell from a prokaryotic cell are part of the internal membrane system?
chromatin, mitochondrion, nucleus, plasma membrane
nuclear membrane, endoplasmic reticulum, Golgi apparatus, and vesicle
Golgi apparatus, chromatin, vesicle, plasma membrane
nucleus, nuclear membrane, mitochondrion, endoplasmic reticulum
Answer:B: Nuclear membrane, endoplasmic reticulum, Golgi apparatus, and vesicle
Explanation:
Seasons are caused by differences in daylight,temperature,and weather patterns due to _____
How do I defuse this until I reach equilibrium across the membrane?? Picture below
Final answer:
To reach equilibrium across a membrane via osmosis, water moves through a semipermeable membrane from high to low concentration until the concentrations are equal, and equilibrium is achieved when net movement stops.
Explanation:
To defuse across the membrane until equilibrium is reached, you need to understand the process of osmosis. Osmosis is the movement of water molecules through a semipermeable membrane from an area of higher water concentration to an area of lower concentration. This movement continues until the concentration of water is equal on both sides, and at that point, equilibrium is achieved. In the provided U-tube scenario, with pure water in one arm and a glucose solution in the other, osmosis causes water to flow towards the glucose solution. To prevent the net flow of water, pressure can be applied on the glucose solution side equal to the osmotic pressure of the solution. Equilibrium is reached when no net movement of water occurs across the membrane and the levels in the arms stop changing.
can you help me with this Extinction link?
what determines the chemical properties of minerals
What is the primary determining factor that will or will not allow solute diffusion?
What are two secondary factors that affect solute diffusion?
The primary factor that determines whether solute diffusion will or will not occur is the concentration gradient, with molecules moving from higher to lower concentrations. Secondary factors include temperature and medium's molecule size, both of which can impact the speed of diffusion.
Explanation:The primary determining factor that will or will not allow solute diffusion is the concentration gradient. Diffusion is driven by a process of elimination where molecules move from an area of higher concentration to a lower concentration area, attempting to equalize the concentration throughout.
Two secondary factors that affect solute diffusion are temperature and medium's molecular size. The higher the temperature, the more kinetic energy the molecules have, which results in faster diffusion. On the other hand, the size of the medium's molecules can impact diffusion as well; larger molecules move slower than smaller ones, hence, they diffuse slower.
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True or false the respiratory system gets rid of carbon dioxide from the body
The cell membrane _____
Answer:
"controls which substances enter and exit the cell"
Explanation:
I had this question on study island and got it right!