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kompoz [17]
2 years ago
5

Help, i’m behind and need answers!!!

Biology
1 answer:
madreJ [45]2 years ago
3 0
The michochrindria is the power house of the cell
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explain the difference between identical twins and fraternal twins include and your answer your how they form and their genetic
MissTica
Identical twins are formed through the process of meiosis where a fertilised egg separates to form two identical cells with a common genetic information.
Fraternal twins on the other hand are developed from the fertilisation of two different eggs and two sperm cells. This type of twins possess unique genetic information.
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Desacribe an experiment to prove that carbon dioxide is essential for photosynthesis ?
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Take two healthy potted plants. Keep them in a dark room for 2-3 days. Now place each plant in a separate glass. Get a cup containing potassium hydroxide by the side of the plants (the potassium hydroxide is used to absorb carbon dioxide). COver both plants with separate jars. Seal the jars so that the set-up-is-air-tight. Keep the plants in sunlight for two hours. Gently pluck a leaf from each plant. remove the chlorophyll from the leaves by boiling them in alcohol. Wash the leaves with water and then pour iodine solution over them.

We can conclude that the photosynthesis cannot be carried out without carbon dioxide. the leaf from the plant (which was the jar containing potassium hydroxide, which absorbed the carbon dioxide) turns blue black on iodine solution showing that starch is presented in this lead.

so this shows that carbon dioxide is necessary for the processs of photosynthesis to take place
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2 years ago
What is the difference between immune deficiency and opportunistic infection?
RoseWind [281]

Answer:

Immunodeficiency disorders prevent your body from fighting infections and diseases. This type of disorder makes it easier for you to catch viruses and bacterial infections. Immunodeficiency disorders are either congenital or acquired. A congenital, or primary, disorder is one you were born with.  whereas Opportunistic infections (OIs) are infections that occur more frequently and are more severe in people with weakened immune systems, including people with HIV. Many OIs are considered AIDS-defining conditions.

hope it helps please mark me br-

well you know what i mean : )

Explanation:

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Researchers can manipulate the genes of a mouse so that a single gene in a single tissue either produces an inactive protein (a
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1) The genetic changes can lead to a reduction in the capacity of the mice to move glycogen at its branches points and lowers blood glucose levels between meals.

2) Genetic changed can lead to a decrease in the capacity to lower blood glucose due to the knock out of the hexokinase gene leading to elevated levels in the bloodstream.

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(d) An active FBPase-2 will now favor gluconeogenesis and this inhibits glycolysis. I.e. a decrease in PFK-1 activity while increasing FBPase-1 activity simultaneously.

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