0
Plant cells are protected from the harmful effects of oxygen radicals with?
Wiki User
∙ 11y ago
carotenoids.. NOT mitochondria
Wiki User
∙ 11y ago
Add your answer:
Earn +20 pts
What cell organelle possesses oxidise enzymes that function in neutralizing harmful free radicals?
The cell organelles that possess oxidase enzymes that function in neutralizing harmful free radicals are the peroxisomes. They are also known as microbodies and can be found in almost all eukaryotic cells.
Why is oxygen dangerous to microorganisms?
Oxygen releases free radicals, which are harmful to organisms. While aerobic organisms have the protective mechanisms in their structure to break down these free radicals, anaerobic organisms do not.
Why do living organisms eventually die?
All living organisms eventually die because cells are progressively worn down by free radicals. Free radicals, or reactive oxygen species, are produced as side products from the biochemical reactions of cell metabolism. They are unstable molecules that will react with, and thereby damage, almost anything they come into contact with, including DNA, cell membranes, and proteins. Through evolution, organisms have developed mechanims to cope with free radicals and dispel their harmful effects. However, the detrimental effects of free radicals on cells eventually overcomes these coping mechanisms as the organism ages, eventually resulting in death. You may ask why evolution hasn't taken a step further and developed a never ending mechanism to deal with the free radical problem. The answer lies in the properties of evolution itself. Selective pressures on species only acts on individuals at the reproductive stage of life. Natural selection of an individual that lives longer over an individual that doesn't live as long wouldn't take place as both are able to pass on their genes.
What are the effects of low biochemical oxygen demand?
good qualitywaater good quality water
Which organelle uses molecular oxygen to convert and detoxify harmful substances?
Peroxisomes are membranous sacs containing powerful oxidase enzymes that use molecular oxygen to detoxify a number of harmful or poisonous substances including alcohol and formaldehyde.(found in Essentials of Human Anatomy & Physiology, edition 9, Elaine Marieb p. 73)
Are there harmful effects to breathing in a bag?
lack of oxygen would be a harmful effect.
Which organelle in a cell uses molecular oxygen to convert and detoxify harmful substances such as alcohol and free radicals?
peroxisomes
What is eventually oxygen formed an layer that protected earth from harmful rays?
Ozone
What layer did oxygen eventually formed the protected earth from harmful rays?
The OZONE LAYER becuase is made of oxygen that why
What cell organelle possesses oxidise enzymes that function in neutralizing harmful free radicals?
The cell organelles that possess oxidase enzymes that function in neutralizing harmful free radicals are the peroxisomes. They are also known as microbodies and can be found in almost all eukaryotic cells.
What are the hazardous effects of CFC's including the length of time they can remain in the atmosphere?
CFCs can be broken by UV light to release chlorine radicals. These radicals are very reactive and catalyse the breakdown of ozone (O3) to oxygen (O2). Ozone absorbs radiation from the sun, so a decrease in the ozone level will lead to the Earth experiencing more of the Sun's radiation. A negative of this would be that some of the radiation is harmful and can lead to effects like skin cancer.
What are the effects of breathing too much oxygen?
The use of oxygen can sometimes have harmful side effects. Specifically, oxygen is very flammable, so it is best to never use it near fire. Additionally, some collectible items can fall apart when they are exposed to oxygen. This applies particularly to paper items.
Why is air essential for animals?
Oxygen (in air) is used to remove some of the harmful biproducts of energy consumption from a living animal. It's essentially an electron trashcan...it reduces free radicals.
What harmful effects does carbon monoxide have on the blood?
Carbon monoxide form carboxyhemoglobin and the transport of oxygen by blood is very limited.
Will large numbers of radicals within the body increase the risk of coronary heart disease?
Oxygen free radicals will :D
What are oxygen derivatives that cause body damage?
Free Radicals
What is oxygen Toxicity?
Toxic oxygen--.When oxygen is used by the body, most of it is converted to water. However, a small fraction of the oxygen breathed is converted to toxic oxygen. The body uses several different processes for preventing and repairing toxic-oxygen damage.
