Microorganisms placed in high concentrations of salts and sugars undergo lysis
Indicate whether the statement is true or false
FALSE
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An individual is constipated. They take magnesium salts to help loosen the stool. Why does this work? A. Water moves from the intestines to the blood because the blood is hypertonic B. Water moves from the intestines to the blood because the blood is hypotonic
C. Water moves from the blood to the intestines because the blood is hypertonic D. Water moves from the blood to the intestines because the blood is hypotonic.
When comparing the genomes of prokaryotes verse eukaryotes, it can be accurately stated that
A. eukaryotic genomes are larger than prokaryotic genomes. B. eukaryotic genomes are smaller than prokaryotic genomes. C. the size of the organism determines the size of the genome. D. larger and more complex organisms have more genes than smaller, less complex organisms.
R is the dominant allele for round pea texture; r is the recessive allele for wrinkled pea texture. If you cross plants
having round peas with plants having wrinkled peas, ____.
a. all progeny will be homozygous for pea texture b. you are conducting a dihybrid cross c. you are conducting a reciprocal cross d. all progeny will have wrinkled peas e. you will be able to determine if the plant with round peas is homozygous or heterozygous for this trait
Mouse pigmentation is subject to epistasis of the B alleles by the d alleles. B (black) is dominant over
b (brown). D is dominant over d. Homozygous d is epistatic to the black and brown genes. Given this information, what genotypes give you a white mouse?
a. BBdd b. Bbdd c. bbDD d. bbDd e. BBdd and Bbdd