Why do different types of cells have different structures/ shapes

Biology

2 answers:

Anni [7]3 years ago

7 0

Answer:

Cells have different shapes because they do different things. The shapes of cells have evolved to help them carry out their specific function in the body, so looking at a cell's shape can give clues about what it does. Neurons are cells in the brain and nervous system.

Explanation: Brainlest plz?

Kamila [148]3 years ago

6 0

Explanation:

Cells have different shapes because they do different things. ... The shapes of cells have evolved to help them carry out their specific function in the body, so looking at a cell's shape can give clues about what it does. Neurons are cells in the brain and nervous system.

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Identify the mechanism for isolation described using the drop-down menus.

muminat

The correct answer is option D, Temporal isolation

Temporal isolation is the mechanism which prevents the mating of closely related species living in the same ecosystem. Basically the reproductive barriers prevent these species from interbreeding. Temporal isolation is a prezygotic barrier that causes “time isolation” between the breeding period of two closely related species. The difference in time could be “difference in time of day”, “ difference in season of mating”, “difference in months” and in some cases “ difference in years”.

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4 years ago

What isPlasma membrane

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answer:

plasma membrane a microscopic membrane of lipids and proteins which forms the external boundary of the cytoplasm of a cell or in closes a vacuole, and regulates the passage of molecules in and out of the cytoplasm

answer number 2

the plasma membrane or cell membrane, is the phospholipid layer that surrounds the cell and protects it from outside environment.

you can use either answer if you have to type or write an answer

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3 years ago

Where do the axons that enter the cortico-spinal tract originate? (The complete answer should include more than one of Brodmann’

torisob [31]

Answer:

From the main motor cortex, Brodmann region 4 premotor areas and the primary somatosensory cortex .

Explanation:

The corticospinal tract originates in many regions of the brain, including

the motor regions,
main somatosensory cortex
pre-motor regions

The corticospinal tract allows for voluntary control of motor functions.

30% of the neurons in the corticospinal regions are found in the primary motor cortex. 40% are split up in several regions; the parietal lobe, somatosensory cortex and the cingulate gyrus.

The axon is a tube enclosed in and insulated by the myelin sheath. It serves as a link to impulses for certain neurons that often comprise axon hillocks that are junctions between the axon and the cell body.