Bios 1300 Exam with complete solution
stratum basale
In which layer of the epidermis does cell division occur?
stratum corner
in which layer of the epidermis would you find dead keratinocytes filled with keratin
papillary dermis
the superficial layer of the dermis is called
subpapillary pl...
Bios 1300 Exam with complete solution
stratum basale
In which layer of the epidermis does cell division occur?
stratum corner
in which layer of the epidermis would you find dead keratinocytes filled with keratin
papillary dermis
the superficial layer of the dermis is called
subpapillary plexus
What makes the boundary between the papillary dermis and the reticular dermis
cutaneous plexus
network of blood vessels between reticular layer and hypodermis
stratum basale
In the epidermis, where are the bodies of melanocytes found?
cytosol
What is the name for the aqueous solution inside the cell?
glucose
Which of the following is NOT amphipathic?
Phospholipids
Cholesterol
Glucose
Glycolipids
yes
are phospholipids amphipathic?
not strongly
is cholesterol amphipathic?
yeah
are glycolipids amphipathic?
no
is glucose amphipathic?
to allow the passage of ions through the membrane
What is the job of the channel protein
To relay an external message into the interior of the cell.
What is the job of a receptor protein?
To transport small, polar molecules like glucose.
To link proteins outside the cell to the cytoskeleton
To relay an external message into the interior of the cell.
to mark the identity of the cell
tha action of the Na/K pump
an electrochemical gradient results from
the ability of the membrane to absorb ions
the action of carrier proteins
tha action of the Na/K pump
Simple diffusion of ions through the membrane
Facilitated diffusion
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