What form of matter is made from only one type of atom?

1 answer:

4 0

SUBSTANCE: Material composed of only one kind of matter throughout (same atoms or same molecules) ELEMENT: A substance that cannot be decomposed (broken down) into simpler substances by ordinary chemical means. Examples: gold, iron, carbon, hydrogen, oxygen, nitrogen.

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What data will you collect each time you add each serum to a patient’s blood?

sattari [20]

The data you will collect is the blood phenotype.By adding serums that each contains a particular antibody such as anti-A, anti-B, or anti-D ... to see if there's an agglutination with erythrocytes' antigen and the antibodies, proving the presence of the appropriate antigen in the blood.

This will help to confirm the blood grouping if this technique is done in parallel with the plasma test ( of Simonin-Michon).

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3 years ago

What changes is pH occur during digestion of our food ?

mezya [45]

Parietal cells within the stomach lining secrete hydrochloric acid that lowers the pH of the stomach. A low pH (1.5 to 2) activates pepsin. Acetylcholine, gastrin, and histamine stimulate the proton pump in parietal cells to release hydrogen ions and decrease pH.

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3 years ago

DNA is often referred to as a genetic blueprint. In the same way that blueprints contain the instructions for construction of a

harina [27]

Answer:

Genetic code

Cadons

Explanation:

genetic code is the code that allows an organism read the information in it genes. The information provide instructions for building and operating a living organism.

The genetic code is a combination of sequential nitrogen base A, G, U, C formed in the mRNA chain. These four bases is what make of the letters of the genetic code which combine together to form the cadons

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3 years ago

A main difference between fungi and plants is what?.

egoroff_w [7]

Answer:

Fungi have chitin as a component of their cell walls rather than cellulose, which is one of the primary differences between plants and fungi. Chitin and cellulose are both made up of polysaccharide chains. Another difference between plants and fungi is that plants contain chlorophyll whereas fungi do not.

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2 years ago

Whats the difference between genotype and phenotype.

Olegator [25]

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The genotype is a set of genes in the DNA which are responsible for the unique trait or characteristics.
Whereas the phenotype is the physical appearance or characteristic of the organism.
Thus, we can find the human genetic code with the help of their genotype.
Organisms may look the same but still may not have the same genotype.
One can determine the genotype by the biological tests.
On the other hand, the phenotype is determined by an individual’s genotype and can be expressed as genes or by the visible traits.
Such traits are hair color or type, eye color body shape, and height, and many such more.
It will depend on the genotype but also influenced by the factors existing in the surrounding.

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2 years ago