In this case, kim's mother's burn formed blisters. these blisters are often closed and fluid filled. recall that a first-degree burn is characterized by redness, not blisters. why do you think a first-degree burn does not blister?

The blisters occur in the second degree burn. The first degree burn only cause the damage to the outer layer of the skin. The blisters are a result of the accumulation of the fluid between the epidermis (outer layer of the skin) and the layers below it. So, for blisters to occur, at least damage to two layers of skin is necessary.

In first degree burn, due to the damage to epidermis only, the redness occur and the blisters does not occur.

the right side of the picture going down is:

polymerase

protein

transport vesicle

modified protein

the left side of the picture going down is:

dna helix

single-stranded rna

endoplasmic reticulum

ribosome

golgi apparatus

protein released from vesicle

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