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raketka [301]
3 years ago
9

What vitamin does the skin play a role in manufacture?

Biology
1 answer:
tatuchka [14]3 years ago
7 0
The skin plays a role in the production of vitamin D because when dehydrocholesterol reaches the skin by means of the blood and is exposed to ultraviolet light from the sun, it changes to vitamin D in an inactive form.

hope this helps!

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A female has a brother who is color blind and a mother who is not.
Illusion [34]
I’m pretty sure it’s a 50% chance since the colorblind mother has two kids and one of them has the trait.
7 0
3 years ago
What tragedy led to the formation of the Andrew "Red" Harris Foundation?
strojnjashka [21]

Answer:

Tragically, Andrew died after being struck by a boat while snorkeling on June 8, 2014. Andrew's family and friends formed the Andrew “Red” Harris Foundation to make sure he would not be forgotten and to build his legacy.

Explanation:

Hope this helps:)

4 0
3 years ago
Drag each tile to the correct location.
Ivahew [28]

Answer:

Mitosis and meiosis are similar at the level of writing, and possess a very close mechanism; however, they do not achieve the same result!

Mitosis corresponds to a single "asexual" cell division of somatic cells (almost all cells in the body), and clones two daughter cells from a mother cell, which will be identical, and inherit exactly the same heritage genetic, indeed these two daughter cells will each have an identical karyotype (same chromosomes) and an identical genotype (same alleles) to that of the mother cell.

Meiosis corresponds to two successive "sexual" cell divisions affecting only germ cells; starting from a diploid cell (chromosomes present in pairs), meiosis leads to the formation of four gametes (haploid sexual cells, spermatozoa or oocytes) (a single copy of the chromosomes). Then, during fertilization, two gametes (each from meiosis, in the male and female) come together to form a zygote, in which diploidy will be restored.

The right answers are:

create two identical cells ==> mitosis

create four non-identical cells ==> meiosis

create haploid cells ==> meiosis

creates diploid cells ==> mitosis

occurs in all cels other tha gametes ==> mitosis

occurs in all cells related to sexual reproduction ==> meiosis

Read more on Brainly.com - brainly.com/question/10606970#readmore

Explanation:

5 0
4 years ago
If a cross for widow’s peak was conducted between a homozygous dominant and a heterozygote, it is expected that all organisms of
ehidna [41]

Answer:

be genotypically different

Explanation:

  • Widow's peak is an example of a dominantly inherited trait, this means that any individual who receives even a single copy of the dominant allele would have a widow's peak present in the phenotype.
  • In the given question, the cross is made between a homozygous dominant individual (let the genotype be WW) and a heterozygote (Genotype Ww).
  • The cross can be represented as follows :

WW X Ww ----> WW Ww Ww WW

From the cross it can be seen that the<em> offsprings will have the genotype of either WW or Ww</em>, however, since W is dominant over w, the phenotype will always be the presence of widow's peak.

6 0
4 years ago
Which substance has the lowest specific heat?
skelet666 [1.2K]

Answer:

Metals such as iron have low specific heat. It doesn't take much energy to raise their temperature. That's why a metal spoon heats up quickly when placed in a cup of hot coffee. Sand also has a relatively low specific heat.

Explanation:

4 0
3 years ago
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