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arsen [322]
3 years ago
11

___________ is found in the nucleus and is made of DNA, RNA, and protein.

Biology
2 answers:
Tatiana [17]3 years ago
7 0

Explanation:

Chromosomes contain nucleus that make up DND, RNA, and protein ( histone)

Gnoma [55]3 years ago
7 0

Explanation:

it's chromatin which is found in the nucleus and is made up of DNA, RNA and protein

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What makes a water molecule polar? *
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it has partial charges

The hydrogen gives a positive partial charge

The oxygen gives a negative partial charge

Oxygen is way more electronegative than hydrogen therefore the molecule will be polar.

6 0
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What are the two main ways a star can live based on it mass?
Andrej [43]

Answer:

Main sequence stars fuse hydrogen atoms to form helium atoms in their cores. About 90 percent of the stars in the universe, including the sun, are main sequence stars. These stars can range from about a tenth of the mass of the sun to up to 200 times as massive.

Stars start their lives as clouds of dust and gas. Gravity draws these clouds together. A small protostar forms, powered by the collapsing material. Protostars often form in densely packed clouds of gas and can be challenging to detect.

"Nature doesn't form stars in isolation," Mark Morris, of the University of California at Los Angeles (UCLS), said in a statement. "It forms them in clusters, out of natal clouds that collapse under their own gravity."

Smaller bodies — with less than 0.08 the sun's mass — cannot reach the stage of nuclear fusion at their core. Instead, they become brown dwarfs, stars that never ignite. But if the body has sufficient mass, the collapsing gas and dust burns hotter, eventually reaching temperatures sufficient to fuse hydrogen into helium. The star turns on and becomes a main sequence star, powered by hydrogen fusion. Fusion produces an outward pressure that balances with the inward pressure caused by gravity, stabilizing the star.

How long a main sequence star lives depends on how massive it is. A higher-mass star may have more material, but it burns through it faster due to higher core temperatures caused by greater gravitational forces. While the sun will spend about 10 billion years on the main sequence, a star 10 times as massive will stick around for only 20 million years. A red dwarf, which is half as massive as the sun, can last 80 to 100 billion years, which is far longer than the universe's age of 13.8 billion years. (This long lifetime is one reason red dwarfs are considered to be good sources for planets hosting life, because they are stable for such a long time.)

Explanation:

I hope this helped!

3 0
3 years ago
Read 2 more answers
Howard decides to study the impact that ice cream
Sindrei [870]

Answer:

C. -independent, dependent, intervening

Explanation:

Independent variable is defined as the variable that can be changed during the experiment, dependent variable is the variable which is being tested and whose value depends on independent variable and intervening variable impacts the relationship between a dependent variable and an independent.

So, in the given study, ice cream was an independent variable as it can be changed during study and Howard wants to study its impact, fighting was a dependent variable as it is being tested and the temperature was the intervening variable as it is a cause of independent variable and also impacts the relationship between a dependent variable and an independent.

Hence, the correct option is C. independent, dependent, intervening.

4 0
3 years ago
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