1. Nutrient Reference Values (NRVs)
1.1. Give the full title (name) and definition of each of the following NRVs: EAR,
RDI and AI
1.2. Give the full title (name) and definition of each of the two additional sets of
reference values: AMRD and SDT
1.3. Briefly explain the primary issue that the NRVs (EAR, RDI and AI) address
compared with the issue addressed by both the AMDR and SDT.

Humans have specialized cells in the body. Each cell type performs a unique function. Humans have different type of cells with different structures and functions.

All the cells in a human's body contain the same DNA. However, the human body is composed of many different types of cells. Because of gene regulation, each cell type possess a different set of active genes although all the cells of the body contain the same DNA.

Answer - different cell types all have the same genes but have different genes active.

Answer:

Explanation:

THIS IS MY ANSWER IS PERFECT

Answer:

starch is the surplus unit for the glucose made in photosynthesis

cellulose is found in plant walls

then glycogen is the surplus unit used by animals to store glucose

Explanation:

DNA analysis can be used to distinguish different species by comparing specific regions of their DNA sequences.

To distinguish different species by their DNA, scientists primarily focus on comparing specific regions of the DNA sequences that are highly variable among species. One commonly used region is the mitochondrial DNA (mtDNA), which is inherited maternally and has a higher mutation rate compared to nuclear DNA. Another region is the ribosomal RNA genes (rRNA), which exhibit variations among species.

The process typically involves extracting DNA samples from different organisms, isolating the target region of interest, and sequencing the DNA to determine the nucleotide sequence. The sequences obtained from different species are then compared to identify differences and similarities.

These differences can be used to create DNA profiles or genetic markers specific to each species. Advanced techniques such as DNA barcoding or whole-genome sequencing can provide more comprehensive information and aid in species identification.

By comparing DNA sequences, scientists can uncover genetic variations unique to different species, allowing them to distinguish and classify organisms accurately. This information is valuable in various fields, including taxonomy, conservation biology, forensic science, and evolutionary research.

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Answer:

Complete tetanus

Very low-density lipoproteins (VLDLs) are lipoproteins that contain mostly triglycerides and some cholesterol, which are synthesized and secreted by the liver.

The primary function of VLDLs is to transport endogenous triglycerides from the liver to the peripheral tissues, including muscle and adipose tissue, where they are stored or used as an energy source. VLDLs are considered to be the precursor to low-density lipoproteins (LDLs) and are converted to LDLs in the bloodstream.

Hence, the primary function of very low-density lipoproteins (VLDLs) is to transport endogenous triglycerides from the liver to the peripheral tissues.

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Answer:

Airplanes have wings, just like birds. They also have a light skeleton (or framework) to decrease their weight, and they have a streamlined shape to decrease drag. The big difference is that airplanes do not flap their wings.

Answer:

The answer is ....C....                                               The fruit that they produse does ripen and and the growth of the plant starts speeding up. Also in winter the buds are inactive around a plant with hormones           I hope this helps :D

Answer:

Because of human-driven increased levels of carbon dioxide in the atmosphere, there is more CO2 dissolving into the ocean. The ocean's average pH is now around 8.1 , which is basic (or alkaline), but as the ocean continues to absorb more CO2, the pH decreases and the ocean becomes more acidic.

The mutations in the bithorax gene that affect the development of the reduced wing-like t3 appendage, known as the haltere, occur in regulatory regions or control elements of the gene rather than in the coding sequence itself.

These mutations alter the expression and regulation of the bithorax gene, leading to changes in its activity during development.

The bithorax gene is a homeotic gene that controls the formation of body segments and appendages in fruit flies. It contains regulatory regions called enhancers that determine where and when the gene is expressed.

Mutations in these enhancer regions can disrupt the normal pattern of bithorax expression, resulting in abnormal development of the haltere.

For example, some mutations may cause the enhancers to be non-functional, leading to a loss or reduction in bithorax expression in the developing haltere. This can result in a complete or partial transformation of the haltere into a wing-like structure.

Other mutations may alter the timing or spatial pattern of bithorax expression, leading to changes in the size, shape, or identity of the haltere.

These mutations can affect the interactions between the bithorax gene and other genes involved in appendage development, causing developmental abnormalities.

Overall, the mutations in the regulatory regions of the bithorax gene disrupt the normal control of gene expression, leading to diverse effects on the development of the haltere in fruit flies.

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Answer:

Respiration.

Explanation:

Respiration is the process which occurs in the test tube because the snails is a living organism that releases carbondioxide gas that mix with the solution and change the colour. The student says that the solution will change color from blue to yellow if the carbon dioxide level increases. So due to presence of living organisms in the test tube, the living organism provides carbondioxide in large amount through the process of respiration.

Option C: Understanding the innervation to each muscle is particularly valuable in diagnosing nerve, spinal cord, and brain stem injuries.

Understanding the innervation of muscles involves knowledge of the specific nerves that supply them. When there is damage to nerves, spinal cord, or brain stem, it can lead to a variety of motor impairments, muscle weakness, or loss of function. By assessing muscle strength and function in relation to their specific innervation, clinicians can identify patterns of muscle involvement and determine the location and extent of nerve-related injuries.

Diagnosing osteoarthritis usually involves evaluating joint pain, stiffness, range of motion, and imaging studies. Broken bones can be diagnosed through physical examination, imaging, and clinical history, focusing on signs of bone fracture, etc. While muscle involvement may be secondary to broken bones, the primary focus is on identifying the bone injury itself.

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Arteries are blood vessels that carry oxygen-rich blood away from the heart, while veins return oxygen-depleted blood back to the heart. Both arteries and veins often travel together and share the same name.

In more detail, arteries and veins have distinct structural differences. Arteries have thicker walls to withstand the higher pressure of blood flow, while veins have thinner walls and contain valves to prevent blood from flowing backward. The colors light red and light blue indicate that a blood vessel is traveling deep or posterior to bone. This means the vessel is located behind or beneath the bone, allowing for more efficient blood circulation. Overall, understanding the differences and relationships between arteries and veins is essential for studying the circulatory system. **Arteries** and **veins** are crucial components, and their shared names indicate their close anatomical relationships.

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A higher ratio of oxygen-18 to oxygen-16 in ocean sediment core data generally indicates the occurrence of a water cycle or about the past climate condition.

A sediment core is a sort of sample that preserves the depositional sequence while capturing the stratigraphic strata in depth (younger sediments are at the top and older sediments are at the bottom).

oxygen 18 and oxygen 16 are the naturally occurring stable isotopes of the oxygen. all of them have equal no of protons and neutrons in the nucleus but have different no. of electrons in their outer shell.

Hence, A higher ratio of oxygen-18 to oxygen-16 in ocean sediment core data generally indicates the occurrence of a water cycle or about the past climate condition.

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Answer:

1 Both processes occur during asexual reproduction.

Explanation:

It's the answer that makes the most sense.

Answer:

The correct answer is ''outer cells of the blastocyst'' The placenta and umbilical cord will derive from the trophoblast and from the internal cell mass all the tissues that will form the embryo.

Explanation:

The umbilical cord and the placenta are two fundamental organs for the development of the fetus, both come from the same initial cell as the fetus and for this reason they share a lot of genetic information with it. The placenta joins the wall of the uterus which is where the umbilical cord arises. As a general rule, it is attached to the upper, lateral, anterior or posterior part of the uterus. In some rare cases, the placenta can join the lower uterus, causing what is called placenta previa. The placenta begins to form at the same time that the fertilized ovum implants in the wall of the uterus and is essential for the correct development of the embryo, since it is through it and the umbilical cord to which it is subject that the fetus maintains the connection with the mother and receives all the nutrients it needs, in addition to the blood and oxygen it needs to breathe. The outer part of the placenta comes from the transformation of the uterus mucosa, while the inner part, called trophoblast, is configured from the embryo's own blasts, establishing a complex network of blood vessels, through which the fetus you will receive the nutrients you need. Also from the trophoblast, the chorionic plate is formed, in which the chorionic villi are located, which allow the embryo to attach to the wall of the uterus.

Answer:

outer cells of the blastocyst

Explanation:

on edg:)

Answer: All of them but option 2

Explanation:

Answer:

Regulation / Homeostasis  you get too hot or too cold:

  If you get either too hot or too cold, sensors in the periphery and the brain tell the temperature regulation center of your brain—in a region called the hypothalamus—that your temperature has strayed from its set point.

Your diaphragm expands and contracts so you can breathe:

  When you breathe in, or inhale, your diaphragm contracts and moves downward. This increases the space in your chest cavity, and your lungs expand into it. The muscles between your ribs also help enlarge the chest cavity. They contract to pull your rib cage both upward and outward when you inhale.

Nutrient Absorption

The reactants needed for cellular respiration are taken in and transported to your cells:

cellular respiration requires oxygen and releases carbon dioxide. It is the released oxygen that is used by us and most other organisms for cellular respiration. We breathe in that oxygen, which is carried through our blood to all our cells.

Defense from Illness

A pathogen enters your body through a cut:

The skin and mucous membranes act as a physical barrier preventing penetration by microbes. If the skin is cut then the blood produces a clot which seals the wound and prevents microbes from entering.

Defense from Injury

A bunny is running away from a wolf:

Rabbits have keen senses of smell, sight and hearing, which help them defend themselves from danger. When they sense a nearby predator, they innately freeze in place to camouflage with the landscape.

Your hand gets too close to a flame:

Skin is difficult to ignite, and usually chars in the presence of heat. It takes up to 10 minutes of direct flame for skin to crack open and start leaking out rendered fat. Even if a horse's body started to leak fat, it would be unlikely to go up in flames on its own.

Reproduction

A woman’s body prepares for a pregnancy:

Every month, usually one egg grows within a structure called the egg follicle (a fluid filled sac that nourishes the egg). The follicle produces estrogen, which helps a woman's body prepare for pregnancy by growing a new lining for the uterus.

A woman’s body prepares for a birth:

As your body prepares for birth, your cervix — the muscular ring between your uterus and vagina — begins to soften, dislodging the mucous plug.

The only preaustralopithecine found outside the East African Rift Valley is Sahelanthropus tchadensis.

Pre-Australopithecines is the informal term that is used to describe a group of extinct hominids that existed before the Australopithecines. They are considered the earliest species of human-like primates. They lived around 5.5 to 7 million years ago and are known to have lived in forested areas of Africa, which is different from the later hominids that lived in savannah-like environments. This group includes the following species: Sahelanthropus tchadensis,Orrorin tugenensis, Ardipithecus kadabba, Ardipithecus ramidus. The only preaustralopithecine found outside the East African Rift Valley is Sahelanthropus tchadensis.

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Answer:

Position 1 as the magnetic potential energy is waiting to be released when the hand moves.

Explanation:

Explanation:

The overall reaction occurs in a series of biochemical steps, some of which are redox reactions. Although cellular respiration is technically a combustion reaction, it clearly does not resemble one when it occurs in a living cell because of the slow, controlled release of energy from the series of reactions.

Answer:

Combustion

Explanation:

For the second question the correct answer is It has carbon dioxide and water as products.

Answer:

Explanation:

That was one of the takeaways from a new report on pizza trends from Technomic, the Chicago-based foodservice research arm of Winsight Media’s Restaurant Business and CSP magazines.

The study shows that patrons’ options depend greatly on where they’re buying the pizza.

For instance, the researcher found that chicken perceived as being more healthful is an increasingly common topping in limited-service places, while prosciutto is becoming a familiar customer-pleaser in full-service places.

Pizza is becoming as familiar in the fast-casual market as signature options like burgers and sandwiches. The rapidly growing sector is offering “notably more” pizza options, with 15% of establis

Based on the given data, the positions associated with black and vestigial would be 47 and 63 map units, respectively.

a. Based on the given map distances, the order of the three genes can be determined as follows:

black - vestigial - dumpy

b. The position of black and vestigial genes can be determined by comparing their distances to the known position of the dumpy. Since dumpy is found at position 13 on the standard map, we can calculate the positions associated with black and vestigial as follows:

Black: The distance between black and dumpy is 34 map units. Therefore, the position of black would be 13 + 34 = 47 map units.

vestigial: The distance between vestigial and dumpy is 50 map units. Therefore, the position of vestigial would be 13 + 50 = 63 map units.

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Social influence can bring problems to family interactions.

Social influence is the act of getting a person or a group of people to do something that, at first, they were unaware of and/or did not have in mind.

In both

Social influence is one of the foundations that define our behaviors dialectically, that is, shaping our behaviors and being shaped by our responses in return.

With this information, we can conclude that social influence can be harmful to the individual if used incorrectly.

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Answer:

Here are the three types of contaminants: Biological: Examples include bacteria, viruses, parasites, fungi, and toxins from plants, mushrooms, and seafood. Physical: Examples include foreign objects such as dirt, broken glass, metal staples, and bones. Chemical: Examples include cleaners, sanitizers, and polishes.

Explanation:

The principle of independent assortment states that the inheritance pattern of one trait does not affect the inheritance pattern of another trait.

During the process of meiosis, independent sorting takes place. The chromosome is cut in half and is called haploid. To understand the law of independent assortment, it is very important to understand the law of separability. Two different genes are classified in different gametic cells.

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The structures of the eye that refract light include Cornea and Lens.

The cornea is the transparent front part of the eye that acts as the primary refractive surface. It helps focus incoming light onto the lens.

The lens, located behind the iris, further refracts light and fine-tunes its focus onto the retina.

The other structures mentioned do not directly contribute to the refraction of light:

Therefore, the structures that refract light are the cornea and the lens.

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Answer:

Internal srtucture adaption