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Makovka662 [10]
3 years ago
7

What is the perihelion?

Biology
2 answers:
noname [10]3 years ago
6 0

Answer:

noun ASTRONOMY

noun: perihelion; plural noun: perihelia; plural noun: perihelions

the point in the orbit of a planet, asteroid, or comet at which it is closest to the sun.

"today Mercury is at perihelion"

Origin

Explanation:

zvonat [6]3 years ago
4 0

Answer:

the point in the orbit of a planet, asteroid, or comet at which it is closest to the sun.

Explanation:

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Under physiological conditions, peptide bond formation and degradation both require enzymes, but only formation requires couplin
posledela

Answer:

thermodynamically unstable but kinetically stable.

Explanation:

The complete question is as follows:

Under physiological conditions, peptide bond formation and degradation both require enzymes, but only formation requires coupling to GTP hydrolysis. Based on this information, peptide bonds under physiological conditions are:

A. both thermodynamically and kinetically stable.

B.thermodynamically unstable but kinetically stable.

C.thermodynamically stable but kinetically unstable.

D. both thermodynamically and kinetically unstable.

  • The term thermodynamically unstable refers to the fact that the peptide bonds are prone to breakage under physiological conditions.
  • The reason why one can conclude the thermodynamic instability of the peptide bonds under physiological condition is that there is a need for a source of energy i.e. GTP hydrolysis for the formation of the peptide bond.
  • The fact that the breakage of peptide does not require any input of energy but the only formation does confirms the fact that under physiological conditions they are thermodynamically unstable.
  • Even though they are thermodynamically unstable, they are kinetically stable because both the formation and degradation require enzymes.
  • The function of enzymes is to decrease the activation energy and hence, increase the rate of reaction. This means that if the enzymes are absent the rate of breakage of peptide bonds would be really slow this points out to the fact that they are kinetically stable under physiological conditions.
8 0
3 years ago
This is the structure in the cell nucleus that houses a cell's genetic information. Example: Humans have 46 of these.
MArishka [77]
The structure that is in the cell's nucleus that contains the genetic information if it is condensed and becomes wrapped and folded with many histone and other proteins, it is called chromosomes.

Humans do have 46 chromosomes, 44 autosomal ones and 2 sex chromosomes.
4 0
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Fill in the blank: <br><br> The 5’ end of DNA has the ______ sticking out towards the bone
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Is this the structure of DNA?
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Explain what happens to the ecosystem and environment of an area if the suns raid iron is reduced
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I think the organisms in that ecosystem would most likely have an problem in there ecosystem because if any animal adapted to that environment they would most likely be already adapted to that environment
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The mediastinum is the cartilage that forms the lower portion of the breast bone.
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The answer is False. The mediastinum is not a cartilage that forms the lower portion of the breast bone, the mediastinum is the middle part of the chest cavity, which is located between the lungs of an individual. The Mediastinum is the area located between the lungs, it contains organs such as the heart and its large arteries and veins. It may also include the trachea, the esophagus, the bronchi and last but not the least the lymph nodes.

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3 years ago
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