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IrinaK [193]
3 years ago
7

Please help!

Biology
1 answer:
Natasha_Volkova [10]3 years ago
5 0

Answer:

1) The ecosystem would have the abiotic factors of low precipitation, dry winds, and low temperatures. The biotic factors would include the animals living with the penguins such as polar bears and yaks.

2) The population would suddenly increase if either the penguin's predators had a drop in numbers or if the penguin's food source became more readily available. This growth in population would result in food becoming harder to find and predators once again growing in numbers. This would eventually cause the penguin population to shrink once more.

3) Predators would die out. Whatever organism(s) were the penguin's food source would grow in size exponentially. Other animals may suffer a drop in numbers if the penguin's predators choose to prey on them.

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En coding the phrase " ruptured aneurysm of carotid artery, extracranial portion," the main term to reference in the index is __
gogolik [260]

The main term of reference in the index is  Aneurysm

Extra cranial carotid artery aneurysms ruptures when the blood clots are formed in them.  The term  aneurysms is a disease  that is happening due to the weakness in the wall of artery. The weakened arteries widens out or swells.

3 0
3 years ago
Disulfide bonds are important in determining and stabilizing protein structure. Which amino acid, if mutated, will affect the fo
elixir [45]

Answer:

c. cysteine

Explanation:

Cysteine is a non essential amino acid. It contains sulfur in form of thiol group. A disulfide bond or bridge is formed between two thiol groups. It is represented as S-S. It is formed by oxidation of two cysteine molecules. The resultant disulfide bond is called as cystine which connects two polypeptide chains.

Cysteine is the only amino acid capable of forming disulfide bridge. It stabilizes protein's globular structure and plays an important role in protein folding and stability. Cysteine is required for protein synthesis, metabolic processes and detoxification. It is the part of beta-keratin which is the main protein in nails, hair and skin. If cysteine is mutated, formation of disulfide bond will be affected.    

6 0
3 years ago
The first question please , I could really use the help , thank you :)
const2013 [10]
B- Mitosis of body cells
6 0
3 years ago
Read 2 more answers
Nitrogen gas reacts with hydrogen gas to form ammonia What are reactants in this chemical reaction?
krek1111 [17]

1 mol 2 mol  

84g of N2(g) = 84/28 = 3 mol of N2(g)  

From the above reaction 1 mol of N2(g) gives 2 mol 0f NH3(g). So 3 mol of N2(g) should give 6 mol or (6x17) 102 g of NH3(g). But we are getting only 85.0 g of NH3.  

Hence %yield of NH3 = 100x85.0/102 = 83.3%  

Answer D. is correct.  

2. 2HgO (s) --------------------- 2Hg (l) + O2 (g)  

2 mol 2 mol 1 mol  

4 mol 4 mol 2 mol  

As only 1.5 mol of O2 is obtained, so % yield = 1.5x100/2 = 75.0%  

Moreover 603 g of Hg = 603/200.59 = 3.00 molof Hg. Considering this also  

% yield = 3x100/4 = 75%

6 0
2 years ago
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What is believed to be the main cause of most mass extinctions throughout geological history?
Licemer1 [7]

Answer:

was caused by global warming that left ocean animals unable to breathe. The largest extinction in Earth's history marked the end of the Permian period, some 252 million years ago

Explanation:

3 0
2 years ago
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