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lana [24]
3 years ago
13

Natural Hazards Notes

Biology
1 answer:
Helga [31]3 years ago
3 0

Answer:

Natural hazards are extreme natural events that can cause loss of life, extreme damage to property and disrupt human activities. ... Other natural hazards, such as tornadoes, can only happen in specific areas. And some hazards need climatic or tectonic conditions to occur, for example tropical storms or volcanic eruptions. Example of natural hazard:weather, volcanic eruption, tsunami, thunderstorm, etc.

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Explain how molecules and compounds are different and use examples
Anastasy [175]
A molecule is a group of two or more atoms held together by chemical bonds. A compound is a substance which is formed by two or more different types of elements which are united chemically in a fixed proportion. All molecules are not compounds. All compounds are molecules.
4 0
3 years ago
Read 2 more answers
The ability of one person to produce over a million different antibody molecules does not require over a million different genes
Tema [17]

Answer:

DNA rearrangment.

Explanation:

Genetics can be defined as the scientific study of hereditary in living organisms such as humans, animals and plants.

The human somatic cell is made up of 46 chromosomes which are sub-divided into 22 pairs of autosomes and a pair of sex chromosomes (X and Y). An autosome is one of the numbered chromosome that is typically not a sex chromosome.

On the other hand, sex chromosomes (X and Y) are responsible for determining the gender or sex of living organisms such as humans.

Deoxyribonucleic acid (DNA) is an organic complex-molecular structure found in all living organisms. It comprises of genes and is essentially the foundation block of all living organisms such as humans, animals and plants.

DNA rearrangment can be defined as a process which typically involves re-writing the informations contained within a Deoxyribonucleic Acid (DNA) into a Ribonucleic Acid (RNA) by enzyme RNA polymerase.

Hence, the ability of an individual to produce over a million different antibody molecules doesn't require the use of over a million different genes; rather, this wide range of antibody production is due to deoxyribonucleic acid (DNA) rearrangment.

6 0
3 years ago
Andesite has large crystals surrounded by fine-grained minerals. Which term describes the texture of andesite?
Ivanshal [37]
D. Course-grainedI believe................................
3 0
3 years ago
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The binding of a compound to an enzyme is observed to slow down or stop the rate of the reaction catalyzed by the enzyme. Increa
Setler79 [48]

Answer:

The correct answer is A the compound is a competitive inhibitor

Explanation:

Competitive inhibitor competes with the substrate to bind to the active site of the target enzyme and after binding to the active site the inhibitor slow down or stop the reaction catalyzed by that enzyme.

          Competitive inhibitor basically effects the Km value of the enzyme thus decreasing the activity of the later.

           Increasing the substrate concentration displace the inhibitor from the enzyme"s active site thus reducing the inhibitory effects of the later thus increasing the activity of the enzyme.

8 0
3 years ago
Each position of a codon can be occupied by one of four nucleotides. What is the minimum number of nucleotides per codon necessa
USPshnik [31]

Answer:

The minimum number of nucleotides per codon necessary to specify all 20 amino acids that are found in proteins is <u>3</u>

Explanation:

There are four nucleic acids in the RNA, adenine uracil, guanine, cytosine. Each of them combines in groups of three to give the different amino acids. In total,  there are 64 different combinations of nucleic acids that codify the 20 amino acids that we need for our vital functions.

4 0
3 years ago
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