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Vadim26 [7]
3 years ago
11

How were humans formed?

Biology
2 answers:
balandron [24]3 years ago
6 0

Answer:

Explanation:

Some people, such as myself, believe it was through God placing Adam and Eve on the Earth.  Some people think it was evolution and that humans used to be monkeys.

liq [111]3 years ago
5 0

Answer:

Through the process of evolution

Explanation:

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Do you think it is possible for scientists to incorporate chloroplasts into the skin cells of humans? What would this mean for h
Alisiya [41]

Similarly to mitochondria on which the animals and fungi rely upon, the chloroplasts are the solar-power plants of the plant cell. With the advancement in the field of genetics and biotechnology, it may be feasible for scientists to incorporate chloroplasts into human skin cells. However, there may be few issues, which the human beings would have to encounter with, these are as follows:  

1. The immune system of the humans may attack the chloroplasts, but maybe they would be safe if they are present within the cell.  

2. As the skin of the humans would be undergoing the process of photosynthesis, then they would have to be in green color, thus, the melanocytes of the skin would have to be engineered in order to generate another pigment.  

3. The humans may get skin cancer and sunburns when they would be out feeding on sunlight, that is, the ultraviolet part of the sunlight would cause the destruction of the living cells.  

4. In order to undergo the reaction of photosynthesis, the humans would require more water than usually required by a normal human being, and this could be a disadvantage in a desert surrounding.  

5. The process would not help to generate much energy for an active species like humans, as the daily energy requirements for a human being would be attained by absorbing around 10000 kJ of energy, that is, around 150 hours in a day of sitting in the Sun, which is impossible.  


3 0
3 years ago
Read 2 more answers
The parent cell that enters meiosis is diploid, whereas the four daughter cells that result are haploid.
abruzzese [7]

Answer:

option d

Explanation:

Meiosis stage was formerly called the reduction stage involving two divisions; meiosis I and II. After the first stage of meiosis, the ploidy level of each of the daughter cell changes is in an haploid state, meaning here the DNA content has been reduced by half. In humans (2n = 46), who have 23 pairs of chromosomes, the number of chromosomes is reduced by half at the end of meiosis I (n = 23). This haploid state is still maintained by the meiosis II just undergoing the normal mitosis division.

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3 years ago
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Food webs diagram the complex relationships of energy flow in an ecosystem containing a variety of producers and consumers. A di
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Identify the process that transforms radiant energy to chemical energy which is stored in producers as glucose.
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C-photosynthesis . I think
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if a retrovirus could infect one of any of these kinds of cells, which would amplify it the most within the first 2 hours?
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Cancer cells are the best target to amplify the most within first 2 hours. Highly oncogenic retroviruses are recombinants of viral and host genes.

Retroviruses are viruses with RNA rather than DNA in their genomes that infect cancer cells. Reverse transcriptase is an enzyme that is used to integrate into the DNA of the host cells. It is enhanced to a greater extent the more cell replication takes place. More retroviruses are then produced by the cell, infecting further cells. Many diseases, including AIDS and various types of cancer, are linked to retroviruses.

Low-incidence cancer-causing retroviruses lack inserted host information. Instead, it seems that they alter the expression of potentially carcinogenic host genes, which in turn results in cancer. Retroviruses incorporate proviral DNA into the chromosomal DNA of their host during the course of their regular life cycle. Integrations take place across numerous locations. Although most integrations are benign, some can cause cancer. Many of these seem to encode tyrosine phosphorylating protein kinases.

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