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dezoksy [38]
3 years ago
8

Why is a single-celled organism not classified as an animal?

Biology
1 answer:
Blababa [14]3 years ago
3 0

Answer:

Single-celled organism are not classified as an animal because animals are multicellular organisms i. e. made of more than one cell while single celled organisms are unicellular organisms i. e. made of one cell. In single celled organisms, one cell perform all activities while in animals special cells are responsible for particular function. There are some single celled organisms are autotrophic while animals are heterotrophic in nature.

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In which structure does extracellular chemical digestion of protein begin?
lilavasa [31]
<span>Stomach. Stomach which connects oesophagus to small intestine is the main part of digestive system where digestion occurs. Protein is a necessary food content for the healthy being of body. From the food proteins are liberated and its chemical digestion starts in the stomach.</span>
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Who was one of the first people to identify and observe cells from cork?
Aloiza [94]

Answer:

The first person to observe cells was Robert Hooke. Hooke was an English scientist. He used a compound microscope to look at thin slices of cork.

Explanation:

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Insulin is a protein hormone. How would insulin bind to its target cells?
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Atropine is sometimes used to dilate the pupil for an eye examination. which receptor would atropine block?
grigory [225]

Atropine would block the receptor called muscarinic acetylcholine receptors present in the eye.

Atropine is the Anticholinergic agent which is also known as parasympatholytics. The activity of neurotransmitters at the receptors leads to pupil constriction.

Atropine is used to block these receptors that allow the pupillary muscles to relax. This causes the dilation of the pupil.

Atropine is the mydriatics that is used for pupillary dilation to conduct a detailed examination of eye diseases.

without this medication, the pupil will only dilate in the darkness. However, doctors cannot examine the eye problems as there is darkness as they need light for checkups.

If you need to learn more about Atropine, click here:

brainly.com/question/14080697

#SPJ4

7 0
1 year ago
I keep filling it in but keep loosing points ! I need help !
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