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r-ruslan [8.4K]
3 years ago
8

__________ reduces the oxygen content and increases the carbon monoxide of the mother's blood. This quickly reduces the oxygen a

vailable for the fetus. Further, the respiration rate slows and speeds up its heart. Nicotine and toxins appear in the blood.
Biology
2 answers:
kenny6666 [7]3 years ago
8 0

Answer:

smoking cigarettes .

Explanation:

Ivenika [448]3 years ago
4 0

Answer:

Smoking nicotine based product such as cigarette

Explanation:

When a pregnant mother smoke, she intakes various harmful chemicals such as lead, arsenic, nicotine, carbon monoxide etc. These harmful toxic substances directly mix with the blood and are carried to the fetus in the womb of the mother. The oxygen content in the blood reduces due to which the heart beat rate of the baby increases and there are high chances of baby developing some kind of respiratory disorder.

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The name given to the mass of living material in an organism or population is... what?
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Biomass

Explanation:

It is the right answer according to biology.

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3 years ago
The arrangement of homeotic genes along chromosomes of vertebrate and invertebrate animals corresponds to the expression pattern
Keith_Richards [23]

The arrangement of homeotic genes along chromosomes of vertebrate and invertebrate animals corresponds to the expression pattern of the genes along the anterior-posterior axis of the developing embryo.

<h3>What are homeotic genes?</h3>
  • Homeotic genes are a group of body pattern forming genes which control the development along the anterior- posterior axis of the developing embryo.
  • These encode transcription factors which control and specify the genes involved in body patterning. These provide identity to the segments during embryo formation.
  • Genes located in the 5’ end act on posterior side whereas the genes on 3’ end act on anterior region.
  • Homeotic genes are evolutionary conserved and control body specification, patterning and differentiation.
  • The loss of function of any of the gene changes the body pattern and affects the development.

Learn more about homeotic genes here:

brainly.com/question/23669464

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7 0
1 year ago
The breakdown down of polymers
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Hydrolysis is a process in which polymers are brokendown into monomers

Explanation:

Macromolecules such as carbohydrates,proteins,lipids and nucleic acids are important components of the body cells. These components are important for an organism to survive and grow.Most macromolecules are polymers.  A molecule of polymer is formed by binding of many smaller molecule called the monomers. These simple monomers linked together to form a complex polymer. The polymers and monomers are typically found the sugar. The monomers are bind together  into long chain called polymers.But lipids are not polymers because they built by different monomers which resemble each other in their composition.

Download docx
8 0
3 years ago
During prophase I, the pairing of homologous chromosomes results in the formation of a​
pychu [463]

Answer:

Explanation:

During prophase I, the homologous chromosomes condense and become visible as the x shape we know, pair up to form a tetrad, and exchange genetic material by crossing over.

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