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lukranit [14]
2 years ago
6

A metamorphic rock contains large crystals of quartz, feldspar, and hornblende.

Biology
1 answer:
Musya8 [376]2 years ago
3 0
Where is the question? Also this is geology not biology.
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The atmosphere is 80% nitrogen: why do you think plants and animals can't use nitrogen as it is found in the atmosphere?
Setler [38]

Answer: Atmospheric Nitrogen is unreactive

Explanation:

The atmosphere is made up of about 80% Nitrogen, 16% oxygen, about 4% carbon dioxide, rare gases etc.

However, the 80% Nitrogen is highly unreactive, and needs to be trapped by competent micro organisms known as nitrogen-fixing bacteria in the root nodules of legumes.

Then, it is converted to several forms like nitrites, nitrates (easily absorbed by plants), ammonia and finally escape to the atmosphere again.

This brief illustration explains the NITROGEN CYCLE, and it is the only means by which plants and animals can use the highly unreactive nitrogen

3 0
3 years ago
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In the metabolism of amino acids for energy, what is the effect of the amino acid group
julia-pushkina [17]
For use in (aerobic) respiration, polypeptides would first be hydrolysed to their amino acid monomers. These are each deaminated, i.e. have their amino groups removed, producing an organic acid, which can be fed into the Kreb's Cycle, and a waste product, ammonia (NH₃), which is moved to the liver and removed from the blood.
6 0
3 years ago
Hey guys! Can you help with two questions? 1. How did I get a trait that neither of my parents had? 2. What is the probability t
astraxan [27]
1.The trait is recessive. This means both your parents were carries, but did not show the trait. For example, B represents the allele, you're parents would have to both be Bb. This means that they are carriers, and you could have inherited either BB/Bb/bb - you actually inherited bb, which means because its a recessive trait you will show the trait. 

2. For your children, it depends on who you have them with. Because you're bb, you will definitely pass on the b allele, so any child you have would be a carrier and could potentially have the trait. If you have a child with someone BB, all your offspring will be Bb (carriers- as the kid gets one allele form each parent). If you have a child with someone who is bb, all your kids would definitely have the trait. However, if you have a child with someone who as Bb, then the four outcomes are Bb Bb bb bb, so there would be a 50% chance of your kid having the trait.



Hope this helps!! :)


8 0
3 years ago
The blood type A,B,AB,and O are results of ____ inheritance.
Vanyuwa [196]
The answer is simple dominant
7 0
3 years ago
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The genetic information of a cell is duplicated and split to form two daughter cells during which of the following processes? A.
katrin [286]

Answer:

B. Cell division

Explanation:

Cell division is a process where a mother cell splits into two daughter cells.

7 0
3 years ago
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