Choose all that apply. A concentration gradient is exhibited when
_____ the room temperature is 34 degree Celsius and the outside air is 34 degrees Celsius.
_____ intracellular fluid has 5% solute and extracellular fluid has 0.8% solute concentration.
_____ during rest, muscle and liver cells contain high glycogen concentration and blood contains lower concentrations.
_____ the pCO2 changes from 45 to 35 mmHg in the alveoli of lungs.
_____ the room temperature is 34 degree Celsius and the outside air is 34 degrees Celsius.
__X__ intracellular fluid has 5% solute and extracellular fluid has 0.8% solute concentration.
__X__ during rest, muscle and liver cells contain high glycogen concentration and blood contains lower concentrations.
__X__ the pCO2 changes from 45 to 35 mmHg in the alveoli of lungs.
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If the frequency of marker D8S1179/10 is 1.0099 X 10-1, what would the odds be that a random person was homozygous for this marker?
a. 1.01 x 10-1 b. 1.02 x 10-2 c. 1.03 x 10-2 d. 1.01 x 10-3
Which statement is NOT generally true of
monocot stems? a. They do not undergo secondary growth. b. They are not tapered along their length. c. Their vascular bundles are distributed throughout the ground tissue. d. Monocot stems have a single, central vascular cylinder. e. All of these are not true.
If an X-linked disorder is lethal to the affected individual prior to the age at which one reaches reproductive maturation, the lethality will be expressed only in males. Why is this so?
What will be an ideal response?
Consider a gene in mice that is normally maternally imprinted. If a deletion occurred in the gene, rendering it nonfunctional, what would be the expected phenotypic result?
A. If the mutation occurred in the maternal copy of the gene, the mouse would be mutant, but if the mutation occurred in the paternal copy of the gene, the mouse would be wild type. B. If the gene behaves in a dominant manner, the mouse would be mutant, but if the gene behaves in a recessive manner, the mouse would be wild type. C. If the mutation occurred in the maternal copy of the gene, the mouse would be wild-type, but if the mutation occurred in the paternal copy of the gene, the mouse would be mutant. D. Because the gene is maternally imprinted, all female mice would be mutant, but all male mice would be wild type. E. Because the gene is maternally imprinted, all female mice would be wild type, but all male mice would be mutant.