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Serhud [2]
3 years ago
12

What are 3 examples of dna

Biology
2 answers:
masha68 [24]3 years ago
8 0

Explanation:

An example of DNA is the chain of basic materials in the chromosomes of the human cell.

xeze [42]3 years ago
4 0

just check the photo dont worry that is correct

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PLEASE HELP!!!!<br> How does the FDA regulate the animals?
Gnoma [55]

Whenever a new drug, device, or food, is developed for use in animals, It has to be approved by the FDA before it can be sold and marketed to the public.

Don't use the exact words, I copied it from an FDA website so change the wording first before you submit. Good luck Lol.


3 0
3 years ago
Where does petroleum come from
lyudmila [28]

Answer:

Coal, natural gas, and petroleum are all fossil fuels that formed under similar conditions. Today, petroleum is found in vast underground reservoirs where ancient seas were located. Petroleum reservoirs can be found beneath land or the ocean floor. Their crude oil is extracted with giant drilling machines.

Explanation:

comment how it helps

5 0
3 years ago
1 )Which of the following is a possible formula unit? PbO Li2B Al2Pb3 ClO
Nataly_w [17]
1. PbO is a possible formula units, since O has charge of 2- and Pb can have a charge of 2+ or 4+, if it uses the 2+ ion, the charges will balance out to form PbO. Li+ and B(3-) would have Li3B, Al(3+) and Pb(2+) are both positive charges and would not balance out, Cl- and O(2-) are both negative charges and would not balance out.

2. Iodine is a halogen, so it has a charge of -1. Calcium is an alkaline earth metal in Group 2, so it has a charge of 2+. Therefore, if they were to form a formula unit, the resultant would be CaI2 (2 iodine atoms of 1- charge are needed to balance out the 2+ charge on the calcium atom).

3. Strontium is an alkaline earth metal with a charge of 2+, while phosphorus has a charge of 3-. Therefore, to balance the charges out, we would need 3 atoms of strontium and 2 atoms of phosphorus. This would give the formula unit of Sr3P2.
4 0
4 years ago
all plants give out oxygen during day and carbon dioxide during 9 to you agree with this statement give reason​
ankoles [38]

Answer:

Yes, I agree with the given statement.

Explanation:

Plants undergo the process of photosynthesis for the production of their food. In this process, they require the presence of sunlight, carbon dioxide, water, minerals, and chlorophyll. The process of photosynthesis is possible only during the day because sunlight is one of the major components. Carbon dioxide is taken in by the plant through the stomata from the environment. The oxygen is formed as a product of the process and is released in the environment. This process becomes impossible during the night because of the absence of sunlight. The entire process sums up to that the plants give out oxygen during the day and give out carbon dioxide during the night.

7 0
4 years ago
Name 3 parts found in a plant cell that are also found in an animal cell.
nirvana33 [79]

Answer:Plant cells have plasmodesmata, a cell wall, a large central vacuole, chloroplasts, and plastids. Animal cells have lysosomes and centrosomes.

Explanation:The best answer

3 0
3 years ago
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