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LenKa [72]
3 years ago
8

Can someone help me i am failing in this class plz help btw its in Science class

Biology
1 answer:
Sedbober [7]3 years ago
6 0
11. Is B. Ways scientists communicate results 
12. Is B. A globe
13. Is A. True 

 Hope they're all correct!
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Amino acid catabolism involves the breakdown of 20 amino acids all of which contain nitrogen but have different carbon skeletons
Alex Ar [27]

Answer:

The overall strategy employed in the catabolism of the carbon skeletons of the 20 amino acids is conversion to citric acid intermediates such as acetyl-CoA

Explanation:

The breakdown of the  different carbon skeletons of the 20 amino acids is strategically channelled  towards the citric acid cycle. Six major products are obtained in the catabolism of the carbon chain of amino acids and these products all enter the citrc acid cycle. The six major products are acetyl-CoA, α-ketoglutarate, succinyl-CoA, fumarate, oxaloacetate and pyruvate.

The amino acids that are broken down completely into acetoacetyl-CoA and/or acetyl-CoA are said to be ketogenic since they yield ketone bodies in the liver.

The amino acids that are broken down into α-ketoglutarate, succinyl-CoA, fumarate, oxaloacetate and pyruvate can be converted to glucose and glycogen and are said to be glucogenic. Pyruvate can further be converted to either acetyl-CoA or oxaloacetate. Some amino acids though are both ketogenic and glucogenic, e.g. tryptophan, threonine.

6 0
3 years ago
Which statement is true of the climate of a desert
aalyn [17]
Where are the statements?
7 0
3 years ago
Read 2 more answers
Describe the plate motions along the Himalayan Mountains. Do you think these mountains are getting larger, smaller, or staying t
artcher [175]
<h2>Himalayas </h2>

Explanation:

  • Once, all the world’s landmass was connected, forming one super-continent known as Pangea
  • About 200 million years ago, tectonic forces broke apart this giant continent into pieces, eventually forming the continents that are known today
  • As convection currents worked independently on the plates associated with these new continental pieces, the plates and their respective continents began to drift across the globe to their present-day geographical locations
  • Eighty million years ago, India was approximately 6400 km south of the Eurasian plate, separating the two was the Tethys Sea
  • The Indo-Australian tectonic plate – containing the continent of Australia, the Indian subcontinent, and surrounding ocean – was pushed northward by the convection currents generated in the inner mantle
  • For millions of years, India made its way across the sea toward the Eurasian plate
  • As India approached Asia, around 40 million years ago, the Tethys Sea began to shrink and its seabed slowly pushed upwards
  • The Tethys Sea disappeared completely around 20 million years ago and sediments rising from its seabed formed a mountain range
  • When India and Tibet collided, instead of descending with the plate, the relatively light sedimentary and metamorphic rock that makes up the subcontinent of India pushed against Tibet, forcing it upwards, and created a massive mountain fold, The Himalayas
  • This process hasn’t stopped, the Indo-Australian plate is still moving toward Eurasia, still pushing Tibet upwards
  • The Himalayas continue to rise by an average of 2 cm each year and the highest mountains are only getting higher

3 0
4 years ago
Salt concentration would be an example of what type of factor in an ecosystem? A. food production B. abiotic C. biotic
stira [4]
Hello,

Here is your answer:

The proper answer to this question is option C "<span>biotic".

Here is how:

Salt is consider a biotic factor because of it concentration which makes it a factor of the ecosystem.

Your answer is C.

If you need anymore help feel free to ask me!

Hope this helps!</span>
7 0
3 years ago
What happens when a chlorine atom gains an electron in its outer energy shell?
emmainna [20.7K]

Answer: A.

Explanation: When a chlorine atom gains an electron, its outermost principal energy level achieves an octet. In this case, the ion has the same outermost shell as the original atom, but now that shell has eight electrons in it.

4 0
3 years ago
Read 2 more answers
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