Answer:
Cleaning or disinfecting surfaces or objects to lower the risk of spreading infection
Explanation:
Sanitizing lowers the number of germs on surfaces or objects to a safe level, as judged by public health standards or requirements. This process works by either cleaning or disinfecting surfaces or objects to lower the risk of spreading infection.
Answer:
A lethal mutation, thereby the resulting phenotype is not observed
.
Explanation:
Lethal mutations are the result of genomic changes that may be lethal in certain conditions. In genetic research, this type of mutation has shown to be very useful in analyzing gene function (i.e., genes whose protein products are key for the survival of the organism in question), and they are perfect gene markers. In bacteriophages, for example, temperature-sensitive mutants of phage T4 that can not grow at temperatures higher 42°C have been identified (Edgar & Lielausis 1964).
Citation:
R. S. Edgar, & I. Lielausis (1964). Temperature-sensitive mutants of bacteriophage T4D: their isolation and genetic characterization. Genetics, 49(4), 649.
Answer:
0.25%
Explanation:
20 people start the new population. So there are 20 genes or 40 alleles for the recessive disorder phenylketonuria. 2 out of 40 alleles are recessive for the condition hence frequency of the allele = 2/40 = 0.05
Frequency of the allele does not change when the population increases so it is in Hardy-Weinberg equilibrium. According to it, if q is the frequency of recessive allele, q² = frequency of the recessive condition
Here, q = 0.05 So,
q² = (0.05)² = 0.0025
In percentage, it is 100 * 0.0025 = 0.25%
Hence, incidence of phenylketonuria in the new population is 0.25%
Answer:
C. to convert carbon dioxide into sugars (glucose)
Explanation:
The overall purpose of the light -independent reactions is to convert carbon dioxide into sugars (glucose).
The statements that are true concerning living organisms and how they acquire energy are;
Cells, the basic unit of life, cannot survive on their own. Instead, all living organisms must obtain and use energy to live.
The daily food consumption of an organism provides the energy to support all the metabolic processes required for the organism to live.
What are Living organisms?
Living organisms can be regarded as organisms that possess characteristics such as the ability to move and reproduce.
However, they acquire useful energy in different ways, and the daily food consumption of an organism provides the energy to support all the metabolic processes.
Learn more about Living organisms at:
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