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Marizza181 [45]
2 years ago
8

In the Gram-stain procedure, Gram-negative, but not Gram-positive, cell wall structures are decolorized because

Biology
1 answer:
Elan Coil [88]2 years ago
5 0

Answer: because the structure of their cell wall is unable to retain the crystal violet stain

Explanation:

Due to differences in the thickness of a peptidoglycan layer in the cell membrane between Gram-positive and Gram-negative bacteria, Gram-positive bacteria (with a thicker peptidoglycan layer) retain crystal violet stain during the decolorization process, while Gram-negative bacteria lose the crystal violet stain

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The Hadza and the Datog are both groups of tribes in Africa. Which of these has the traditionally higher-starch diet?
Hoochie [10]

Answer:

The Datog has the traditionally higher-starch diet.

Explanation:

The Datog has traditionally consume higher-starch diet than the Hadza. The people of Hadza tribe take their food from the forest including berries, fiber-rich tubers, honey and meat etc. They search the forest in order to obtain food for themselves and their families while the Datog people obtain food by planting starch rich crops such as maize, beans and millet. so we can say that the Datog people consume higher-starch diet.

6 0
3 years ago
The hot expanding gases generated by the combustion reaction in the engines are:
saul85 [17]
Carbon (ii) oxide(carbon monoxide)
carbon (iv) oxide ( carbon dioxide)
oxide of sulfur and nitrogen
 water vapor soot.
Gases expand<span> as heat is put into a </span>gas<span> the molecules gain energy and move faster and faster.</span>
4 0
3 years ago
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How does using iodize salt help in preventing thyroid problem?
lawyer [7]
The body doesnt make iodine so its a essential part of your diet
7 0
3 years ago
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What is the extracellular matrix changes and symptoms of scurvy and connective tissue?
blondinia [14]

Answer:

composed of ground substance and fibers

Explanation:

The extracellular matrix of connective tissue is composed of ground substance and fibers. In ordinary connective tissue, the ground substance consists mainly of water. The principal fiber type is collagen (the most abundant protein in the body), with elastic fibers as a minor element.

7 0
3 years ago
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How do the properties of water contribute to transpiration
muminat

Answer:

Cohesion and adhesion of water molecules

Explanation:

Cohesion has to do with the ability of water to adhere together .

The cohesive properties of water which is occasioned by hydrogen bonding between adjacent water molecules allow the column of water to move up through the plant irrespective of the force of gravity as water molecules are evaporating at the leaf surface.

The adhesive properties of water, which means, the attraction between the water molecule and the xylem wall also ensure continuity in the movement of the water column in the xylem.

Hence the cohesive and adhesive properties of water molecules are important for transpiration to occur.

6 0
3 years ago
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