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kenny6666 [7]
2 years ago
13

7. (True Story) In Denmark, a husband and wife who had been unsuccessfully trying to have a

Biology
1 answer:
ratelena [41]2 years ago
4 0

Answer:a

a possible explanation for this occurrence is that a test tube or dropper was accidentally used repeatedly without being sterilized, causing sample cross-contamination. DNA in this test case did not confirm that the father of the second child was another client of the fertility clinic who had never met the mother...therefore this is a possibility.

Explanation:

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Explain phloem structure and function, using the following terms: sieve elements, sieve cells, companion cells, girdling, transl
madam [21]

Answer:

Explanation:

Phloem cells are conducting vessels that are found in vascular plant. They are used in the transport of photosynthate produce during photosynthesis from the source of production to other parts of the body.

It consist of sieve elements, which are the conducting vessel that aids transport of sugar round the body. They are very active before maturity at mature they are no longer in use.

Companion cells are used in replacement of sieve element at maturity, they function in metabolism together with the sieve tube Translocation is the transport or movement of sugar round the body.

Girdlings is the removal of the bark of a plant this can inhibit active transport of food.

Non-reducing sugar are monosacharrides such as glucose that are produce and transported round the body of the plant.

P-protein are found in the plants sap usually in large amount in the sieve elements.

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What is the structure used in reproduction in pteridophytes?
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Large floral are used in the reproduction in pteridophytes
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The number of protons represents the
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Answer:

atomic number

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atomic number = proton number = number of protons

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puede tener vacuolas pero no son muy grandes marca (A) si es reino Animal o marca (v) si es reino Vegetal​
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