What is the five part definition for an object to be considered a mineral

1 answer:

4 0

In order for an object to be considered a mineral

1. It must be inorganic.
2. Must have a crystalline structure.
3. Must be definite chemical composition.
4. Must be naturally created.
5. Must be solid.

A mineral is components in the earth that combine to form rocks. Minerals in nature they are inorganic occurring substances.

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A sequence of three nitrogenous bases in a messenger-rna molecule is known as a.

sergejj [24]

Answer:

A sequence of three nitrogenous bases in a messenger-rna molecule is known as Codon

Explanation:

Codon is a triplet of three nitrogenous bases present in mRNA. It can be any three from uracil, adenine, guanine or cytosine. They are arranged in specific order and code for specific amino acids.

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2 years ago

Where do DAG and IP3 originate?

cupoosta [38]

Answer:

Option (4).

Explanation:

Phosphatidylinositol4,5-bisphosphate (PIP2) is the phospholipid present in plasma membrane. This lipid is important for the cell communication and cell signalling process.

The PIP2 can cleave and give two main products are DAG (diacylglycerol) and IP3 ( inositol 1,4,5-trisphosphate). These two molecules are important for the cell signalling.

Thus, the correct answer is option (4).

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3 years ago

Part B: Research (11 points) In part B you will be doing some research on desertification.

Goryan [66]

Okay so northern Africa and the Sahara desert is the best example of desertification.
2 ways humans have contributed to that is: 1) pastoral nomadism 2) little to no settlements to increase water supply

how it impacted the environment: so now the environment there is sandy, only organisms adapted for those extreme environment can live there ex. camel, cactus, etc.,

how it impacted quality of life: quality of life diminished, not enough water to sufficiently feed the populations, people live in extreme poverty, people are moving away, and the climate is very dry and hot, pretty much not a place anyone would want to live

http://eden-foundation.org/project/desertif.html

https://www.sciencedaily.com/releases/2017/03/170314111320.htm

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3 years ago

Based on the model presented, which of the following statements expresses the proper relationship between osmolarity, ADH releas

inn [45]

Question: Based on the model presented, which of the following statements expresses the proper relationship between osmolarity, ADH release, and urine production?

(A) As tissue osmolarity rises, more ADH is released, causing less water to be excreted as urine.

(B) As tissue osmolarity rises, less ADH is released, causing less water to be excreted as urine.

(D) As tissue osmolarity rises, less ADH is released, causing more water to be excreted as urine.

Answer:

As tissue osmolarity rises, more ADH is released, causing less water to be excreted as urine.

Explanation:

ADH is the hormone that triggers the formation of concentrated urine by stimulating the absorption of water from the filtrate in the kidneys. As the solute concentration (osmolarity) in the blood raises, the more of the ADH is released into the blood. ADH triggers reabsorption of water in collecting duct and distal tubules and thereby, reduces the water loss in urine. Increased reabsorption of water restores the osmolarity, blood volume, and blood pressure.

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4 years ago

Alleles for the same trait are separated from each

Oksana_A [137]

Answer:

B. Meiosis I

Explanation:

In meiosis I, it starts with a diploid cell with a homologous chromosome pair. The crossing of genetic material between chromosome pairs also occurs in this stage. The alleles containing the same trait would get separated so a new combination of alleles can be produced.

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3 years ago