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horrorfan [7]
3 years ago
11

Is DNA found in all living or once living cells

Biology
1 answer:
Mekhanik [1.2K]3 years ago
8 0
DNA is found in all living cells and in once living cells. 
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por un menos contagio de bacterias como lo dice su nombre

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A strand of DNA has the bases AGTAAC. Using letters, show the matching DNA strand.
kkurt [141]
The matching DNA strand would be A - T, G - C, A -T, A - T, C - G, or in other words TCTTG (because you had the strand AGTAAC). 

Always remember that A pairs with T, G pairs with C, T obviously pairs with A, and C obviously with G.
5 0
3 years ago
Do you think that all pollen germinates indiscriminately on all stigmas?
r-ruslan [8.4K]
Pollen tube growth is one of the most fascinating—and essential—phenomena in the life cycle of flowering plants. After a compatible interaction between pollen grains and the stigma surface, the pollen germinates and forms the pollen tube, which grows through the stigma, style, and transmitting tract to deliver the sperm cells to the ovule." 
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4 0
3 years ago
What processes are involved in getting a tan and then having it fade away?​
vesna_86 [32]

Answer:

To understand the tanning process one first needs to realize that the skin is comprised of several different types of cells. Each type of cell has a specific function. The cells involved primarily in the tanning process are called melanocytes. Melanocytes are located at the base of the epidermis between the epidermis and the dermis below. Melanocytes use the amino acid tyrosine to produce melanin. This melanin leaves the melanocytes and travels up through the epidermis where it reacts with the UVA and UVB radiation through a chemical reaction darkening the pigmentation of the skin. As we already know the skin consists of three layers of tissue: The epidermis or outer layer, the dermis or inner layer and the subcutaneous layer

Explanation:

To understand the tanning process one first needs to realize that the skin is comprised of several different types of cells. Each type of cell has a specific function. The cells involved primarily in the tanning process are called melanocytes. Melanocytes are located at the base of the epidermis between the epidermis and the dermis below. Melanocytes use the amino acid tyrosine to produce melanin. This melanin leaves the melanocytes and travels up through the epidermis where it reacts with the UVA and UVB radiation through a chemical reaction darkening the pigmentation of the skin. As we already know the skin consists of three layers of tissue: The epidermis or outer layer, the dermis or inner layer and the subcutaneous layer

4 0
3 years ago
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