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Svetradugi [14.3K]
3 years ago
8

Why is nitrogen essential to life

Biology
1 answer:
Mashcka [7]3 years ago
7 0

Nitrogen is a crucially important component for all life. It is an important part of many cells and processes such as amino acids, proteins and even our DNA. It is also needed to make chlorophyll in plants, which is used in photosynthesis to make their food.

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1.Paramecium was found to occupy 20% of the FOV of a microscope at 40X magnification power. How many paramecium can be accommoda
7nadin3 [17]

Answer:

Five (5)

Explanation:

A <u>total of five (5) paramecia </u>can be accommodated within the FOV.

The field of view of a microscope represents the area of the visible region under the ocular/eyepiece at a specific magnification. In other words, the diameter of the circular area visible through the ocular of the microscope at a specific magnification represents the field of view.

<em>If a paramecium was found to occupy 20% of the total field of view of a microscope at X40 magnification, then the total number of paramecia that can be accommodated within the field would be:</em>

     100/20 = 5 paramecia

6 0
3 years ago
Question 4 options:
alexandr1967 [171]

Answer:

Arctic sea

Hope it helps

8 0
3 years ago
What type of protein is often used to carry other molecules?
Angelina_Jolie [31]
The answer is b, globular
7 0
3 years ago
Read 2 more answers
What is manual muscle testing and what can it be used to determine
Nata [24]

Answer:

It is a method of isometric muscle testing.

Explanation:

The manual muscle testing is used to determine the extension and degree of muscular weakness as a consequence of a disease, injury or disuse.

The results obtained from tests and exams provide a data planning base, so that the physician can plan a therapeutic procedure and periodic retesting for the patient.

The manual muscle testing requires no equipment other than the examiner's hands, it is highly portable  and inexpensive, however this type of testing provides muscle strength data at only one point of ROM.

4 0
3 years ago
A piece of granite rock have a density of 2.57g/cm^3 and a mass of 0.304 kg. What is the volume ?
givi [52]

Answer:

1.183×10∧-4 m³

Explanation:

ρ=m/V

Here, m=0.304kg

ρ=2.57g/cm^3 =2570kg/m^3 [1g/cm^3=1000kg/m^3]

V=1.183×10∧-4 m³

Hope, this helps you.

7 0
3 years ago
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