Could you help me with this question

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Answer 1

Answer:

Answer:A

Explanation:

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If you were looking at. Multi-cellular organism with a microscope, would you be looking at a prokaryotic o eukaryotic organism. How do you know ?

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If you were looking at a multicellular organism through a microscope, you would be looking at a eukaryotic organism, as all multicellular organisms are eukaryotes. Prokaryotes, such as bacteria, are unicellular organisms and do not have a true nucleus or membrane-bound organelles.

What is true about eukaryotic organisms ?

Eukaryotic organisms, on the other hand, have a true nucleus and other membrane-bound organelles such as mitochondria, endoplasmic reticulum, Golgi apparatus, and lysosomes. These organelles allow eukaryotic cells to carry out more complex functions and processes than prokaryotic cells.

To determine whether an organism is prokaryotic or eukaryotic, you can look for the presence or absence of certain features. For example, eukaryotic cells are typically larger and more complex than prokaryotic cells, and they often have a variety of organelles visible under a microscope. Eukaryotic cells also have a cytoskeleton that helps maintain their shape and allows for movement, whereas prokaryotic cells do not.

Additionally, eukaryotic cells have linear chromosomes that are enclosed within a nucleus, whereas prokaryotic cells have a single circular chromosome located in the cytoplasm.

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Mult-cellular organisms are eukaryotic organisms. When looking at a eukaryotic organism under a microscope, the cells will contain nuclei. A prokaryotic organism has no nucleus.

How many types of immunoglobulins are there in human body?

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Answer:

There are five immunoglobulin classes (isotypes) of antibody molecules found in serum: IgG, IgM, IgA, IgE and IgD. They are distinguished by the type of heavy chain they contain.

Where did the term cell come from

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The Origins Of The Word 'Cell' In the 1660s, Robert Hooke looked through a primitive microscope at a thinly cut piece of cork. He saw a series of walled boxes that reminded him of the tiny rooms, or cellula, occupied by monks. these chambers he used the word 'cell' to describe them, because they reminded him of the bare wall rooms where monks lived.

The origin of the word cell was invented by Robert Hooke in 1660s.

Nitrogen in the atmosphere must be "fixed" before it can be used by plants. Atmospheric nitrogen is "fixed" by

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Answer: nitrogen fixing bacteria

Explanation:

Nitrogen in the forms of nitrates, nitrites and ammonia are essential for the growth of the plants. Nitrogen present in the atmosphere is fixed in the soil by the nitrogen fixing bacteria. As plants cannot absorb nitrogen from the air. The bacteria convert atmospheric nitrogen into inorganic forms such as nitrates, nitrites and ammonia which are directly absorbed by the plants by their roots.

The enormous energy of lighting breaks nitrogen molecules and enables there atoms to combine with oxygen in the air forming nitrogen oxides. These dissolve in the rain, forming nitrates that are carried to Earth.

what is the difference between the greatest distance and the least distance ridden on one fifth of a mile to one mile

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the greatest distance is way higher than the least so you will be going way much more than the least .

Two methods of active transport

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One method of the active transport is the bulk transport - using the endocytosis or exocytosis for the process of moving bigparticles through the membrane.
Another example would be with the use of special transport proteins in plasma membrane. These proteins to change their shapes thanks to ATP (Adenosine triphosphate).This is how they manage transport materials from low to high concentration.

Active transport methods:
- symport - across one protein, two molecules are transported in the same time and direction
- antiport - across one protein, two molecules are transported in opposite directions, which one enters into protein and one leaves it.

I hope I helped :D

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