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expression of protein in cells
a)is regulated by genes
b)is regulated by nutrients
c)is regulated by histone modification
d)is regulated by a combination of factors
when a DNA mutation occurs in somatic cells of an adult and is not repaired,
a)the persona's children may inherit the mutation
b)the person may develop cancer
c)the persona's children will inherit the mutation
d)the persona's genes will be dysregulated in that cell
Vitamin A as a gene regulator
a)can cause birth defects when taken in excess before and during pregnancy
b)can cause birth defects when not absorbed enough before and during pregnancy
c)can cause a reduced immune reaction making infections worse when not absorbed enough by children and adults
d)all of the above
a single nucleotide substitution in the DNA code is most likely to
a)change one single amino acid in a protein
b)change a series of amino acids in a protein
c)lead to the addition of an amino acid to a protein
d)lead to different histone modifications at that site
4)when entire parts of chromosomes change location to another chromosome
a)disease can result only if this happens in germline cells
b)disease can result if this happens in white blood cells
c)the embryo will die before birth
d)the resulting child cannot have children
2)biological children of a person's with no genetic disease they know of
a)cannot have genetic diseases
b)can only have genetic diseases if they get new mutations
c)can have a genetic disease that their great-great grandmother had
How many moles of ammonia are in .4L of a 3.0 M aqueous ammonia solution? If this solution is diluted to 1.0 L, what will be the molarity of the new solution?
The following data represent a random sample of 15 marks out of 20) on a Statistics quiz. Assume that the marks are normally distributed 4 7 7 5 3 10 6 8 7 9 8 9 5 4 7 a. Determine the standard deviation of the marks. b. Estimate the population mean with 95% confidence.
The number of accidents in a production facility has a Poisson distribution with a mean of 2.8 per month. For a given month, what is the probability that there will be more than three (3) accidents?
A researcher is interested in estimating the average monthly salary of bank managers in NCR. He wants to be 90% confident that his estimate is correct. If the standard deviation is 8,500 pesos, how large a sample is needed te get the desired information and to be accurate within 1,150 pesos?
