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2 years ago

What two factors account for this natural demise of the epidermal cells.

Biology

1 answer:

Bond [772]2 years ago

3 0

Answer:

1st factor is:Cornified layers:loss of water in the cell in the layer of dying cells

2nd factor is infusion of keratin its a dense protein that hardens the skin cell to aid in producing a barrier against the outside world

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Describe the different examples of active and passive transport

andrew11 [14]

Hi there!

Active Transport - Through the use of ATP, active transport pumps molecules against a particular concentration gradient. Active transport occurs from a low concentration solute and moves to a high concentration of solute. Two examples of active transport would be endocytosis and exocytosis.

Passive Transport - Active transport is the movement of molecules down a gradient. Unlike passive transport, it goes from high to low concentration and does not require energy (such as cellular energy). Some examples would be osmosis and diffusion.

I hope this helped!

6 0

3 years ago

Can somebody give me the answer for these...

labwork [276]

Answer:

1. Life cycle of a cell starts from

G1 phase - S phase (synthesise phase) - G2 phase - mitosis.

2. By mitosis bcoz it restore nucleo cytoplasmic ratio means ploidy of cell remain same.

3. Bcoz of transformation of normal cells into cancerous cells by Carcinogens present in tobacco.,drugs .etc

4 mitosis occurs in plants animals

Binary fission occurs in bacteria and other single celled organism.

Both give rise to two daughter cells.

5.sex cells (n) are produced by meiosis from gamete mother cells(2n).

6.in meiosis ploidy of cell become half

Means diploid cell form haploid cells

And 4 haploid daughters cells are formed.

In mitosis, ploidy of cell remain same

Means haploid form haploid and diploid form diploid.

1 cell form 2 daughter cells.

Hope this helps you.. Frnd ❤️

4 0

3 years ago

How does studying science help you be a better member of society? 1 point

WITCHER [35]

It makes you a better member of society because you will be more knowledgeable

7 0

3 years ago

Help me on the last one

Jet001 [13]

OmposingFossils in the museums are coated with chemicals to prevent the bones from decomposing.

8 0

3 years ago

We would like to belong to the plant kingdom but we do not contain chloroplast. Who are we? A.bacteria B.Protista C.fungi D.Plan

irga5000 [103]

Answer:

Explanation:

because fungi don't grow on animal

4 0

2 years ago