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Cell Metabolism

We all use energy to survive. Metabolism is the total of all the chemical reactions an organism needs to survive, either plant or animal. Photosynthesis and glycolysis are necessary to life. These are intertwined with each other. There are a number of cycles involved, the basic one is the carbon cycle. There are also smaller cycles within the larger cycle.

212 Questions

What are the organelles that digest and dispose of worn out mitochondria and other organelles by a process called autophagy?

Autophagy, being the degradation of cytoplasmic components as well as other organelles, is generally done with the lysosomes. The lysosomes, contain enzymes (hydrolase and others)to digest these worn out, damaged, or infected parts, which keeps the cell healthy and clean. mTOR regulates this process (mammalian target of rapamycin). I don't know of any other organelles that are involved in this process but lysosomes do carry out a similar procedure to autophagy. It's called autolysis, and that is basically when the lysosome, excretes all of its digestive juices into the cell. It's like a self destruct and the entire cell is condemned to a digestive end. Don't worry, it only applies to damaged cells.

What is the primary energy molecule in living things?

ATP also called adenosine triphosphate.

It is based around the same nitrogenous base as the DNA and RNA adenine nucleotide is, except it is not attached to a sugar and has three phosphate groups instead of the one phosphate group that the adenine nucleotide has.

Why those the heart have more mitochondria?

Energy is released in the Mitochondria through a process called respiration.Heart muscle requires a lot of energy to keep its muscles contracting and working all the time , so it's cells have a lot of mitochondria.

Mitochondria are also present in cells which carry out Active transport (like cells in the gut wall) as active transport also require energy from respiration.

What are the activities that are common to all cellular life?

Common cellular activity includes cells taking in and using energy. Cells respond to the environment and regulate their internal environment.

How is the mitochondria of a cell like a engine?

bc the mitochrondia is also known as the power house of the cell and the power plant powers everything

What is energy and phosphate metabolism?

ENERGY AND METABOLISMenergy means power to do work.and metabolism means breakdown or synthesis of food so energy and metabolism means sum ofall chemical reaction in the body is called energy metabolism.

Why do nerve and mucle cells contain more mitochondria than other cells?

Because nerves performe much more activity than skin cells. Where skin cells are dividing. nerves send electric impulses throught the body all the time. The impulses involve use of ATP which is produced in mitochondria.

How do you make a model of mitochondria with thermocol?

You use the thermacol to cast the part. Then you use the resulting mold to reproduce the item.

Is mitochondria bigger than a virus?

Lysosomes are smaller. The mitochondria vary from 0.5-10 micrometers in diameter. The size of lysosomes vary from 0.1-1.2 micrometers.

What best describes mitochondria?

AnswerThink of them as if they are "garbage processors" which turns junk into treasure. Mitochondria only live only within the cytoplasm of animal cells: your's, mine, cats, snakes, etc. Their function is to burn the hydrogen in your food and to use the energy to supply fuel for your cells (ADP to ATP).

Does lack of oxygen kill cells?

O2 is required for aerobic respiration to take place. Aerobic respiration is required to make ATP. ATP is required in a very large number of biological processes. If there is no ATP, then these processes cannot take place (almost every biological process uses ATP at some point).

What is crista in mitochondria?

Provide a large surface area for the electron transport chain and the ATP synthase which are all located in these folds of the inner membrane.

Why is ATP better than glucose as an immediate energy source for cell metabolism?

Creatine phosphate is a better source of quick energy than glucose because in thermodynamic scale of energy potential Creatine phosphate is a super high energy phosphate compounds which has higher standard free energy of hydrolysis than that of ATP and can give its high energy phosphoryl group to ADP to generate ATP which is used to biosynthesis Glucose. so creatine phosphate stored in muscle is quick enery source to produce ATP than glucoe.

How oxygen passes from the blood to mitochondria?

Mitochondria are sometimes called the "powerhouses" of the cell. The energy is released by combining food with oxygen, in a process called aerobic respiration. The oxygen from the food is needed to help the cell move and grow.

What reaction takes pace in the mitochondria and what are the reactants and products?

Mitochondria, is the part of the cell which converts oxygen into energy. It is the site of respiration in the cell and it produces energy so that the cell can carry out its basic functions. The end product it forms is ATP or Adenosine Tri-phosphate.

The red blood cells in our body do not have a mitochondria which ensures that the energy is transferred to the particular body part and is not absorbed by the RBC itself.

Which group of protist lack mitochondria?

  • Microsporidia Giardia lamblia Entamoeba histolytica. Trichomonas vaginalis.

Is there ammonia in your friend's body?

Yes there is ammonia in human body. Most of the ammonia in body is obtained during digestion in the intestine. The bacteria break down proteins in food to form ammonia. Liver converts ammonia into urea which you urinate out.

Why water is expelled during glycolsis?

If you write this as a balanced chemical equation, water will form as a result. You must account, in other words, for all the elements.

Does a cell require mitochondria for active transport?

Active transportation needs energy.(ATP). ATP is produced by mitochondria

Why there more mitochondria in muscle cell than in most other cells in the body?

There are more mitochondria in muscle cell than in most other cells in the body because the muscles do more movement. This means that the muscles need more energy.