Explanation:
Instruments are designed and calibrated to take measurement of certain properties in the environment.
Most scientific instruments measures quantitatively, a wide range of physical and chemical properties.
- Thermometers are used in measuring temperature
- Hydrometer is used in measuring density
- Triple balance measures mass
- A weight scale records weight
- Hydrometer measures relative humidity
- Rulers are for measuring lengths
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An animal cell lacking carbohydrates on the external surface of its plasma membrane would likely be impaired in CELL TO CELL RECOGNITION.
Carbohydrates have diverse functions, one of their functions is that they serve as a recognition signal at the surface of cells.
Carbohydrates located on the surface of cells enable cells to recognize and communicate with one another.
Answer:
Nitrogen is essential for all living things because it is a major part of amino acids, which are the building blocks of proteins and of nucleic acids such as DNA, which transfers genetic information to subsequent generations of organisms.
I do not understand your question fully because there might be some context missing to it:
Having more nuclei is not something caused by the lack of a process or stage. Some muscle cells usually fuse together, which means they become one. But before they became one, each had their own nuclei. And when they fused, each one kept their nuclei, making one cell with more than one nuclei.
Those cells are called multinucleated cells.
Hope it helped,
BioTeacher101