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stellarik [79]
3 years ago
14

Which type of pacemaker discharges impulses at a single, steady rate, regardless of the heart's own electrical activity?

Biology
1 answer:
svlad2 [7]3 years ago
8 0
<span>Fixed rate peacemaker discharges electrical impulses at a single and steady rate regardless of the underlying electrical activity of the heart. Different peacemakers are stimulated in different areas of the heart. This peacemaker impulse is implanted next to the collarbone, the surgery is done under local anesthesia.</span>
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What is the chemical formula of the first carbohydrate molecule
ddd [48]

Answer:

C6H12O6!

Explanation:

  • Molar mass: 180.156 g/mol
  • the linkage in the glucose molecule is the glycosidic bond
  • it is the most abundant monosacharride found in nature
  • it is made by plants during the process of photosynthesis
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3 years ago
Amino acid catabolism involves the breakdown of 20 amino acids all of which contain nitrogen but have different carbon skeletons
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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
For co-dominant traits, heterozygous alleles have the phenotype of what
Ymorist [56]

Answer:

im using random letters but A^B  A^C

Explanation:

3 0
2 years ago
A stone is thrown upward with velocity 72 km/hr. if air resistance is neglected, find the maximum height travelled by it and the
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Answer:

s= 20.04m,   t=2.022s

Explanation:

4 0
3 years ago
What is the botanical name of pawpaw​
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hope this answer helps you...

5 0
3 years ago
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