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Anna [14]
3 years ago
14

The selective permeability of the plasma membrane allows all substances to pass through the membrane, ensuring that the inside o

f the cell is in constant interaction with its external environment. true
Biology
1 answer:
marshall27 [118]3 years ago
3 0
Is this a true or false question? If so it is true.
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Which form of energy do all moving object have
alexgriva [62]

Potential and kinetic energy. Most object have kinetic energy. If an object is moving it is a kinectic energy. Potential energy is an energy stored in the position or arrangement of the object.

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4 years ago
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the graph below shows the change in the rabbit population over several months what is the most likely cause of the population ch
Alenkinab [10]

Answer:

It should be C

Explanation:

I hope this helps

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A nearby coworker using a torch to free up a stuck bolt accidentally ignites his shirtsleeve. as a trained first aid provider, y
LenaWriter [7]

The first thing to do is activate EMS. Use cool or cold water to cool the burn for 10 minutes as soon as possible. ( Do not use ice or frozen compress.) Early cooling will minimize the depth of injury and decrease pain. Remove jewelry near the affected area. Cover the injury with dry,  clean pad loosely to protect it. Do not give food or drink to injured person. Keep him comfortable until EMS arrives and takes over.

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3 years ago
Explain how specific membrane-bound organelles of the keratinocytes are used to produce, transport, and modify aquaporin polypep
bonufazy [111]

Answer:

Epidermis.

It is composed of keratinized, stratified squamous epithelium and is made up of 4 layers of epithelial cells depending on its location in the body. From deeper to superficial these layers are stratum Basale, stratum spinosum, stratum granulosum, and stratum corneum. The cells in all the layers except for stratum besele are called keratinocytes which is a cell that manufactures and stores the protein keratin.

Stratum Basale.

It is a cuboid-shaped stem cell that is a precursor of the keratinocytes of the epidermis. Two other cell types found in this basal cell are Merkel cells which function as a receptor and are responsible for stimulating sensory nerves that the brain perceives as touch. The second is melanocyte that produces melanin pigment which gives the skin its color.

Stratum spinosum.

It is spiny in appearance due to the protruding cell processes that join the cells via a structure called desmosome. The desmosome cell interlock with each other to strengthen the bond between the cell. Keratinocytes in the stratum spinosum stats synthesizing keratin and release water-repelling glycolipid that helps to prevent water losses from the body.

Stratum granulosum.

They are grainy in appearance due to further change in keratinocytes as they are pushes from the stratum spinosum. The cells become flat as their membrane thickens to allow the production of protein keratin which accolades as lamellar granules within the cells.

Stratum Lucidum.

It is a smooth and translucent layer of the epidermis situated above the stratum granulosum. Keratinocytes containing these cells are dead and flat. Stratum lucidum cells are packs with eleiden derived from keratohyalin which give these cells their transparency and provide a barrier to water.

Stratum corneum.

This is the most superficial layer in the epidermis and it prevents penetration of microbes and dehydration of underlying tissues.

Dermis.-This is the inner layer of the skin and has the following functions.

Reticular layer

Just below the papillary layer, we have a much thicker layer called the reticular layer composing of dense connective tissue. It contains elastin fibers providing elasticity to the skin enabling movement.

Hypodermis

Explanation:

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3 years ago
Although she and her roommate have the same exact ringtone, lakisa can always tell when the ringing phone is coming from her sid
frutty [35]
Louder, because the sound would have a stronger pitch for the ear it is closer to
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