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Elena L [17]
3 years ago
6

Chromatin​ ​condenses​ ​into​ ​chromosomes

Biology
1 answer:
Aleks04 [339]3 years ago
7 0

Answer: During prophase, the complex of DNA and proteins contained in the nucleus, known as chromatin, condenses. The chromatin coils and becomes increasingly compact, resulting in the formation of visible chromosomes. Chromosomes are made of a single piece of DNA that is highly organized.

Explanation:

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Which of the following are contributions of deforestation to global climate change? Select all that apply.
Eva8 [605]

Answer:

Conversion of forest to cropland or pasture decreases the rate at which carbon is taken up by plants.

Cut trees are often burned, and this releases carbon into the atmosphere.

Explanation:

First of all, <u>deforestation is the conversion of forests to non-forest uses.  Non-forest uses include agriculture, industrial development, infrastructural development, etc. </u>

Forests are sinks for carbon and their removal or conversion to non-forest uses means that less carbon would be fixed through photosynthesis. Slash and burn agricultural practice also leads to the emission of carbon dioxide into the atmosphere.

Thus, more carbon dioxide would be present in the atmosphere as a result of deforestation and burning. This carbon dioxide is a greenhouse gas that causes the warming of the planet, a phenomenon that results in the change of climate of the planet.

<em>Hence, the conversion of forest to cropland leading to a decrease in the rate of carbon fixation and the emission associated with burning both contribute immensely to global climate change.</em>

6 0
3 years ago
How do highly toxic elements like Na and Cl change when in compound form?
Helga [31]

Answer:

When a sodium atom transfers an electron to a chlorine atom, forming a sodium cation (Na+) and a chloride anion (Cl-), both ions have complete valence shells, and are energetically more stable. ... The reaction is extremely exothermic, producing a bright yellow light and a great deal of heat energy.

4 0
2 years ago
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An amoeba eats some food which organelles will help store or digest it
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<span> The vacuoles, lysosomes, mitochondria, ribosome, endoplasmic reticulum, and the Golgi apparatus</span>
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What are the characteristics of bacteria
Hitman42 [59]

Answer:

like Eukaryota cells in that they have cytoplasm, ribosomes, and a plasma membrane.

Explanation:

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