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alexandr402 [8]

1 year ago

11

Cells in a plant root are non-photosynthetic, but they still depend on the light energy harvested during photosynthesis in leave

s. In what form is the light energy transferred to the root cells?.

1 answer:

Studentka2010 [4]1 year ago

3 0

Explanation:

the light energy is converted to heat energy in order to break the covalent bonds in the water molecules that are combined with CO2 to create glucose

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Humans have 46 chromosomes in each somatic cell. a. How many chromosomes does a child receive from its father? b. How many autos

GarryVolchara [31]

Answer:

Explanation:

<u>a. How many chromosomes does a child receive from its father?</u>

Every person receives half of their chromosomes from their father and half from their mother. For that reason, if humans have 46 chromosomes in each somatic cell, 23 of them come from the father.

<u> b. How many autosomes and how many sex chromosomes are present in each somatic cell? </u>

Each somatic cell has 46 chromosomes in total; of which 22 pairs are autosomes and 1 pair are sex chromosomes. Therefore, 44 chromosomes are autosomes and 2 chromosomes are sex chromosomes (the X and/or Y chromosomes).

<u>c. How many chromosomes are present in a human ovum? </u>

The human gametes (ovum in women and sperm cell in men) have half of a somatic cell's genetic material, so that when they combine in a zygote to create their child, they form an initial cell with 46 chromosomes in total. The ovum therefore has 23 chromosomes: 22 autosomes and 1 sex chromosome.

<u>d. How many sex chromosomes are present in a human ovum?</u>

As I mentioned in the previous question, a human ovum has 1 sex chromosome. That way, when it combines with a sperm cell, which also has 1 sex chromosome, they form a zygote with <u>a pair</u> of sex chromosomes (one that comes from the mother and one from the father).

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The usefulness of technology in science .

Kruka [31]

technology is the application of science for the betterment of man

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therefore what is discovered on science is practiced in an applicable way which is technology

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