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Elis [28]
3 years ago
14

Trace elements are those required by an organism in only minute quantities. Which of the following is a trace element that is re

quired by humans and other vertebrates, but not by other organisms such as bacteria or plants?
A) calciumB) iodineC) sodiumD) phosphorus
Biology
1 answer:
asambeis [7]3 years ago
5 0

Answer: B) iodine

Explanation:

Iodine is a trace element. It is an inorganic mineral. It is essential component in the human diet. It is useful for the production of the thyroid hormone. Iodine salt and seafood are the major sources of iodine.  It is also the major component of human blood that is the hemoglobin. In bacteria or plants the iodine is not required. Iodine is not an essential nutrient for plant growth. Iodine can kill the bacteria.

 

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luda_lava [24]

The right matches are:

1. nuclear envelope  is matched with b.

2.centriole  is matched with  a.

3.interphase is matched with j.

4.furrowing  is matched with h.  

5.anaphase  is matched with g.

6.spindle apparatus is matched with f.

7.chromatin is matched with i.

8.haploid is matched with c.

9.meiosis is matched with e.  

10.homologous chromosomes is matched with d.


Cell division consists of the formation of two or more cells from a single cell, which ensures their numerical growth. During mitosis of a cell, each daughter cell is identical to the mother cell. During meiosis, the mother cell gives two haploid daughter cells with n chromosomes, then each of these daughter cells give two n chromatid cells.

May be some word in this exercise are not very common like:

The mitotic spindle, allows chromatid migration during cell division.

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kenny6666 [7]
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4 0
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Is my answer correct?
Andre45 [30]

Answer:

Yes, I think you're correct!

Explanation:

7 0
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olya-2409 [2.1K]

Answer:

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hope this helps...

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