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Ksju [112]
2 years ago
15

10

Biology
1 answer:
lina2011 [118]2 years ago
5 0

Explanation:

The nucleus (plural, nuclei) houses the cell's genetic material, or DNA, and is also the site of synthesis for ribosomes, the cellular machines that assemble proteins. Inside the nucleus, chromatin (DNA wrapped around proteins, described further below) is stored in a gel-like substance called nucleoplasm.

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Explain Cellular Respiration clearly.
aleksley [76]
Cellular respiration is the chemical process that makes energy required for day-to-day metabolic functions of an organism. The resulting energy is in the form of a molecule called ATP (adenosine triphosphate). There are two types of cellular respiration: aerobic and anaerobic, but both types start with glycolysis. Glycolysis is the breakdown of glucose molecules which makes some ATP.

Aerobic respiration uses oxygen. It occurs in the mitochondria of cells. The overall chemical formula for this is
C6H12O6 + 6CO2 ---> 6CO2 + 6H20 + 38ATP
In this process, there are multiple stages: glycolysis, Krebs Cycle, and Electron Transport Chain (ETC). All of these stages are used to make ATP, but ETC makes the greatest amount of ATP. The other stages create reactants needed for ETC.

Anaerboic respiration does not use oxygen and is also called fermentation. It occurs after glycolysis. There are two types of this: lactic acid fermenation,which occurs in muscle cells and produces lactic acid, and alcoholic fermentation, which occurs in yeasts and can make bread and alcohol. The process produces some molecules that can produce more ATP in glycolysis.
5 0
3 years ago
What supports more life relative to their area- freshwater ecosystems or marine ecosystems? why?
igor_vitrenko [27]

well it is not exactly essentioal but salmon need it

7 0
3 years ago
Clostridium, Lactobacillus, and Propionibacterium all A. use sulfur compounds as terminal electron acceptors.B. oxidize inorgani
Ira Lisetskai [31]

Answer:

Oxidize organic compounds AND use organic compounds as terminal electron acceptors. (Ans. E)

Explanation:

Anaerobes are the organism that does not require oxygen for their growth. The anaerobes are subdivided into three main classes:

1) Obligate anaerobes: These organisms use anaerobic metabolism to grow and killed in the presence of oxygen. Obligate anaerobe examples are Clostridium and Propionibacterium.

2) Facultative anaerobes: These organisms prefer to grow using aerobic metabolism processes and switch to anaerobic metabolism in the absence of oxygen. An example of facultative anaerobic bacteria is Lactobacillus.

3) Aerotolerent anaerobes: These organisms use anaerobic metabolism to grow and can survive in both conditions (oxygen and oxygen-free environment).

Anaerobic bacteria, oxidize organic compounds rather than oxygen & use organic compounds as terminal electron acceptors. Anaerobic bacteria release hydrogen sulfide gas as they decompose algae in the water. This process is also known as Anaerobic Respiration, in which formation of ATP without oxygen.

3 0
3 years ago
The fossil record of birds is incomplete because bird skeletons are
Bogdan [553]
Bird skeletons are very delicate, and therefore, difficult to be preserved.  The bones of the birds are soft. The small animals are very prone to physicochemical as well as biological decay. This is why the fossil record of bird is incomplete and well-preserved fossils of birds are rare to find, except at a few unusual sites. 
7 0
3 years ago
The maltose molecule can be broken down into two individual glucose molecules with the help of an enzyme produced within a cell.
Naily [24]
Increasing its pH because then the enzyme wont be ablr to work properly
7 0
3 years ago
Read 2 more answers
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