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bonufazy [111]
3 years ago
13

Which one of the following pollutants is responsible for the increase in skin cancer?

Biology
2 answers:
amm18123 years ago
7 0
A. Chlorofluorocarbons would be the right answer hope this helps! 
NNADVOKAT [17]3 years ago
6 0
The answer is Chlorofluorocarbons. Exposure to extremely high levels of chlorofluorocarbons can result in death. Chlorofluorocarbons are organic compounds composed of carbon, fluorine, and chlorine. Chlorofluorocarbons are involved in the destruction of the stratosphere ozone layer resulting in increased exposure to UV radiation which is known to cause skin cancer. 
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Hmg-coa reductase is a highly regulated enzyme. identify three distinct mechanisms by which this enzyme is regulated. for each,
Rufina [12.5K]
Regulation of HMG-CoA reductase is termed as the rate of controlling enzyme of the mevalonate pathway which produces other isoprenoid and cholesterol.
The regulation of cholesterol is done by regulating the rate which determines step catalyzed by HGM -CoA reductase.
There is long-term and short-term regulation where HGM-CoA is inhibited by phosphorylation and catalyzed of proteins. There is regulated proteolysis of HGM-CoA reductase where degradation of HMG-CoA reductase by oxidized derivatives of cholesterol.
5 0
3 years ago
Two geological features that make the state of Florida very fragile to environmental problems are:
Anastasy [175]

2 geological features of Florida state making it fragile is the Everglades and its bio-diverse nature.

Explanation:

The Florida state is one of three Everglades in the world to be marked as such due to its tendency of being in drought condition all the time due its draining capacity and location in its southernmost parts.

The other environmental condition which the state faces, is the bio-diverse nature of the state. It has endangered species population of cougar. It has been marked as the protected area for the panther species. Alligators too have been listed in the state for the endangered kind. Rest fills up the circuity of the state.

3 0
3 years ago
A - DNA as the inheritance materials B - RNA as the inheritance materials C - The formation of organic molecules, e.g. nucleic a
Stels [109]

EXPLANATION:

There are 2 types of nucleic acids: DNA(deoxyribonucleic acid) and RNA(ribonucleic acid).

Living organisms have their genetic material in their DNA. Viruses use RNA as their genetic material but are usually called non-living things( because they can't reproduce without help from a host).

The function of nucleic acids has a progression from DNA to RNA to proteins. This is called the central dogma of molecular biology.

Nucleic acids are formed by a linkage of polynucleotide chains with phosphodiester bonds. These polynucleotide chains are formed from monomers called NUCLEOTIDES.

A nucleotide is made up of 3 parts:

i) a nitrogenous base

ii) a five-carbon sugar

iii) at least one phosphate group.

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3 years ago
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Which cells in the seminiferous tubules regularly undergo mitosis?
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Which cells in the seminiferous tubules regularly undergo mitosis?

Spermatogonia

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3 years ago
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