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Increase the rate of gene mutations
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A researcher investigating mutagenic agents would most likely study the effects of?
4.light on reproductive cycles of birds Actually its 2 .x-rays on fruit flies
What is spontaneous and induced mutations?
Mutations which are artifically induced with the help of mutagenic agents are called induced mutations
Agent that induces change in chromosome?
mutagen: ionizing radiation or chemicals, can also be called a mutagenic agent.
What is an example of a genetically engineered organism?
1. Recombinant DNA - takes bacteria away to make insulin 2. Use of Mutagenic agents (things that cause changes) - radiation, ultra violet light, chemicals 3. Selective Breeding (choose organism you are mating) - hybridization
A chemical that kills bacteria or slows their growth is called?
Antibiotics, is a generalized answer, however there are different types of antibiotics. There are Bacteriostatic Agents which answer your question in that they inhibit the growth of bacteria which is a microorganism Then there are bactericidal agents (bacteriocide) and they kill bacteria which is a microorganism Agents having the suffix -cidal kill organisms, agents having the suffix -static merely inhibit their growth and reproduction.
Can mutagenic agents cause cancer?
Yes. Mutagenic agents cause mutations in DNA. If those mutations occur in cell growth genes, this can lead to a cancerous cell that can grow and spread out of control. I work in a lab and many of the chemicals I work with are described as Carcinogens, chemicals that are known to directly cause cancer. many mutagenic agents are also carcinogens.
Chemical changes in the structure shown are most likely to happen during?
Exposure to mutagenic agents
8 What are two genetic characteristics that cause Ames test strains to be particularly sensitive to mutagenic agents?
All strains are also deleted for the uvrB gene. so 1. uvrB is necessary for DNA repair; 2. its lack results in greater sensitivity to mutagenic agents.
What is an effective mutagenic agent that could have affected the course of animal domestication among the Natufians?
There are several mutagenic agents that could have affected animal domestication in Natufians. These include gold, silver and other heavy metals.
Substances that cause the oxidation of other substances are?
oxidizing agents
What can cause mutations in DNA?
these are all mutagenic agents:-ultraviolet radiation from sunlight -free radicals that are formed as by-products of aerobic respiration -aflatoxins that are found in moldy grains
What chemical agents produce temporary disabling conditions that can be physical or mental?
These substances are pharmacodynamic agents.
Hygroscopic substances used as drying agents?
A dessicant
A researcher investigating mutagenic agents would most likely study the effects of?
4.light on reproductive cycles of birds Actually its 2 .x-rays on fruit flies
What has the author Christine J Best written?
Christine J. Best has written: 'Effects of thymidine kinase deficiency on sensitivity to mutagenic agents in the human lymphoblastoid cell line Raji'
What is spontaneous and induced mutations?
Mutations which are artifically induced with the help of mutagenic agents are called induced mutations
What causes of genetic mutation?
Mutations are changes in the nucleotide sequences in a genome. Most often, these minor mistaks are corrected by in-built repair mechanisms and many mutations go unnoticed an are not harmful. Harmful mutations cause diseases in many cases. There are several factors that promote the formation of mutations. These factors are called mutagenic agents. Mutagenic agents are divided into: chemical and physical mutagens. UV radiation is an example of a physical mutagen and Nitrous acid is an expample of a chemical mutagen
