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svlad2 [7]
3 years ago
7

Why are DRIs a preferred value for nutritional intake

Biology
1 answer:
Sunny_sXe [5.5K]3 years ago
3 0
Because with a DRI we know the average or ballpark estimate on hwo much of a certain nutrient we should take in/consume per day. This goes for all the macronutrients as well as the micronutrients. Knowing this information, we can guarantee a healthy and balanced diet. 
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If a dam is built to stop the flow of a bog, what is the likely effect of this change
Blababa [14]
The water level in the bog would rise during heavy or prolonged rain.
Hope this helps (:

-Payshence xoxo
8 0
3 years ago
Using two specific examples, explain how land use may change as technology changes
swat32
Okay we are gonna use A iPhone to a old telephone  so the telephone can only receive  calls and call other people that it but say with the iPhone you can call the person and receive calls you can text you can video chat you can get emails you can have apps to entertain you you can have pictures and music you can have a ringtone and and text tones 
8 0
3 years ago
Read 2 more answers
What would be the best negative control to use when testing for any organic compounds
ra1l [238]

Explanation:

A similar question was asked online, here is the answer it gave:

'“Negative control” is a treatment that by definition is expected not to have any effect (neither positive effect, nor negative effect). “Positive control” is treatment with a well-known chemical that is known to produce the expected effect with the assay that you are studying. Application of an antagonist is not a negative control in your case. “Negative control” is condition that should be treated with the same solutions or buffers as your “treatment” condition, with the only difference that instead of the chemical that you investigate you should add just the solvent that was used to dissolve you chemical in the respective final concentration that you have in the “experimental treatment” condition. For example if your chemical is dissolved in DMSO – than the correct negative control will be to add to the medium/buffer just DMSO in the same final concentration that you reach with your “treatment” condition. One of the reasons of using such negative control is to verify that the solvent is having no effect in your assay. Note that among all treatment conditions (“negative control”, “positive control”, “experimental treatment you are investigating”) the volumes and the composition of the treatments that you are doing should be uniform: always treat with the same volume of medium or buffer, always containing the same concentration of the used solvent (e.g., DMSO). The only difference should be the presence or absence of the defined compound-treatments (agonist, antagonist, the chemical for the experimental investigation etc.).'

My best advice is to use the textbook you have, or use examples of a negative control when testing organic compounds because you have to find something that you can assign, like a worm in a box of dirt, the worm could have enough food to survive, so that is your negative control, but when it comes to finding the best, that would have to rely on something within the parameters of being self sufficient like a plant getting its energy from photosynthesis, etc.

Atanasov, Atanas. (2013). Re: Positive control and negative control. Retrieved from: https://www.researchgate.net/post/Positive_control_and_negative_control/515968f2d039b1fe50000025/citation/download.

7 0
3 years ago
What is a common chemical reaction mechanism by which cells make polymers from monomers?
Ray Of Light [21]

Answer:

Hydrolysis reactions

Explanation:

trust

6 0
3 years ago
Bone can be classified as a connective tissue because it contains an extracellular matrix that surrounds widely spaced cells. Tr
kotykmax [81]

Answer:

False. Bone can be classified as a connective tissue because it provides support and structure to the body.

Explanation:

Connective tissue is those tissues that fill spaces between organs and other tissues, and also provide support to the organism. It is characterized by the presence of different types of cells separated by intercellular material synthesized by them.

The bony tissue is the principal structural and supportive connective tissue that differs from the other connective tissues because its extracellular matrix is mineralized, which makes it possible to accomplish its support and protection function due to its rigidity and hardness. The mineral that deposits in the osteoid matrix is the calcium phosphate, composing hydroxyapatite crystals. The bony tissue is a storage site of calcium and phosphate, which are available for maintaining constant the calcium blood levels according to the individual physiological needs.

6 0
3 years ago
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