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Olenka [21]
3 years ago
12

What is the basis of Gram staining results?

Biology
1 answer:
ladessa [460]3 years ago
8 0

Answer:

The structure of each cell type's wall.

Explanation:

The basis of Gram stain is differentiating cells in two different categories depending on the composition of the cell wall. Gram positives fixate a KI and Crystal Violeta complex in their peptidoglycan wall, but otherwise, gram negatives don't have a thick layer of this, and therefore, when the wash process happens it takes away all the pigments leaving the cells blank for the last pigment (pink).

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Explain the difference between plasma and the formed elements of the blood.
Pavel [41]

Answer:

Blood plasma:

55% composition of blood contains blood plasma. The plasma contains various proteins and coagulating factors. This mainly include the fluid portion of the blood. Plasma is a straw colored liquid that contains antibodies as well as serum.

Formed elements:

45% composition of blood contains formed element. The formed elements contain RBCs, WBCs and platelets. This mainly include the cells portion of the blood. Formed elements is red color or no color depending on the pigment present in the cells of formed element.

3 0
3 years ago
Many studies have indicated that there is some genetic influence on body weight and composition. Researchers have established a
sukhopar [10]

Answer:

A

Explanation:

The thrifty gene hypothesis postulates that due to dietary scarcity during human evolution, people are prone to obesity by storing energy as fat, an ability to take advantage of rare periods of abundance  and this is advantageous during times of food availability. individuals with greater adipose reserves would more likely survive famine. This tendency to store fat could lead to obesity.

FTO is an enzyme that is encoded in humans by FTO gene located on chromosome 16. Increase in this enzyme is associated with the regulation of energy intake but not feeding reward. Also, the set point theory indicates that bodies are meant to stay within a narrow weight range but it is susceptible to chnage overtime.

4 0
3 years ago
The researchers observed a random sample of mating pairs. The spiders had all been identified and measured before the mating occ
pentagon [3]

Answer:

Null hypothesis: male and female spiders organized in mating pairs don't differ significantly in respect to body length

Alternative hypothesis: male and female spiders organized in mating pairs exhibit significant differences in respect to body length

The application of one statistical test in order to obtain one p-value (probability value) may provide useful evidence to support the alternative hypothesis (or reject it).  

The inference procedure uses the information collected from the sample in order to obtain one conclusion.  Frequentism is a type of inference procedure that can be used to test a hypothetical test case, which is here represented by male and female spiders organized in mating pairs.

8 0
3 years ago
Which legs for a frog are used for jumping?
mario62 [17]
The hind legs, I believe. That's why they are longer and stronger.
7 0
3 years ago
True or False) Osmosis occurs when a solvent moves from an area of
tangare [24]

Answer:

False

Explanation:

In osmosis, water always moves from an area of higher water concentration to one of lower concentration.

4 0
3 years ago
Read 2 more answers
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