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iVinArrow [24]
3 years ago
7

Discuss the relationship between mitosis and cytokinesis. what would be the result if one happened without the other ?

Biology
1 answer:
DENIUS [597]3 years ago
4 0
If mitosis occurred without cytokinesis, the cell would contain two nuclei and twice the DNA. If cytokinesis occurred without mitosis , one of the new cells would lack DNA and a nucleus altogether. The cell cycle is regulated by signals both inside and outside of the cell.
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An ice fisherman has fallen through the ice. In response to the cold water, sensors in the man's skin send a "cold" signal to th
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Answer:

Hypothalamus

Explanation:

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Once the muscle cells of this man receive these signals, they produce heat through thermogenesis by shivering when the muscle cells begin to contract. This is one of the mechanisms by which thermoregulation is achieved as controlled by the hypothalamus in the brain of the man.

6 0
3 years ago
What is the ultimate source of heat in the process of global warming
nalin [4]
The sun. Greenhouse gases absorb heat better. So the more of these gases, the hotter it gets. However, the earth itself is naturally heating, but it goes too fast for live to adjust to the temperatures.
3 0
3 years ago
Organelles such as mitochondria and the endoplasmic reticulum have membranes that compartmentalize reactions and other metabolic
tino4ka555 [31]

Answer:

The correct answer is - they both have highly folded membranes.

Explanation:

Organelles such as the endoplasmic reticulum, Golgi apparatus, and mitochondria have highly folded double membranes. This highly folded membrane provides the increased surface area in the organelle.

As the inner membrane of these organelles is the site for many chemical reactions the highly folded or layered membranes get more space for such reactions to occur due to increased surface area.

8 0
3 years ago
Who was the first to recognize the role of the environment as a significant factor in evolutionary change?
faust18 [17]

Answer:

Option A, Jean-Baptiste Lamarck

Explanation:

Options

a. Jean-Baptiste Lamarck

b. Georges Cuvier

c. Thomas Malthus

d. Charles Darwin

e. Charles Lyell

Solution

The second law of Lamarck stated that all living organism eventually adapt to the environment in which they live. However, such adaptations are continuous thereby leading to evolution of species gradually over a long period of time. Lamarck published his theory of evolution in 1801, while Darwin published his book on “origin of species in 1859.  

The result predicted by Lamarck regarding impact of environment on evolution was further supported by Darwin, and future scientist.  

Hence, option A is correct

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Tanya [424]

Answer:

Explanation:

Since Mark's wife was a carrier, it means that she is heterozygous for the trait. And after Mark got tested, they decided to have children due to no increased risk if they do have children, it means the condition is not an autosomal dominant condition but a recessive condition because if the condition is dominant, only one copy of the affected allele is needed to increase risk.

Thus, with a no increased risk, it means Mark is normal i.e. carries no copy of the recessive allele.

8 0
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