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Ksju [112]
3 years ago
9

In the presence of lidocaine, the action potential was not affected at r1 because _______.

Biology
1 answer:
kap26 [50]3 years ago
4 0
Lidiocain is your answer
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An organism occupying the 3rd trophic level is best described as a ________. tertiary consumer secondary consumer top carnivore
Len [333]
The answer is: Carnivores
Organisms at the third trophic level are secondary consumers. These secondary consumers prey on the primary consumers which are animals that eat plants or herbivores. Secondary consumers are best described as carnivores because they don't eat plants. They only eat animals that consume plants like cows and chicken.
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3 years ago
A group of students is reviewing information about cast composition in preparation for a discussion on the advantages and disadv
san4es73 [151]

Answer:

Plaster cast is made up from dry muslin containing starch or dextrose and calcium sulfate.

Explanation:

It is applied to protect and  is immobilize an injured bone or joint because it provides rigidity.

It is also used to help the bone and joint from reduce pain that is created during movement.

When plaster becomes wet,it reacts (Between water and calcium sulfate) and produces heat that eventually sets the plaster.It becomes hard when it dries.

The color of plaster casts are smooth and white.

4 0
3 years ago
Using evidence from the text describe, the purpose of Golgi complex
Talja [164]
The job of the Golgi apparatus is to process and bundle macromolecules like proteins and lipids as they are synthesized within the cell.
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To efficiently provide the ideal amount of nitrogen fertilizer, some farmers make use of a "chlorophyll meter" that measures the
NikAS [45]

Answer:

Chlorophyll is a green pigment found in chloroplast in plants. It absorbs sunlight during the process of photosynthesis. It is a chelate molecule. In a chelate molecule a central metal ion forms bonds with a large organic molecule made of carbon, hydrogen and other elements like nitrogen or oxygen.

In chlorophyll, magnesium is the central metal ion and it is bonded to a large organic molecule called as porphyrin. Porphyrin constitutes four nitrogen atoms to which the central magnesium is bonded in square planar arrangement. Since chlorophyll is responsible for the green color of the leaves, more the green color more the chlorophyll content and more is the nitrogen content. Hence, chlorophyll meter measures this green light and finds out if the plant needs more or less nitrogen.

8 0
3 years ago
Describe the conditions of Earth billions of years ago<br><br> please help, its over due : /
Mashcka [7]

Answer:

Earth was barren, flat and almost entirely under water 4.4 billion years ago

Explanation:

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