I think the correct answer would be A. The yolk sac becomes the placenta. It is membranous sac that is attached to the embryo. It provides all the nutrition and the blood cells needed by the embryo. It is also called the umbilical vesicle.
Answer:
Dexamethasone drug in an individual lowers the level of plasma cortisol by lowering the release of Adrenocorticotropic hormone from the anterior lobe of pituitary gland.But in case of people suffering from Cushing syndrome dose of dexamethasone does not lowers the plasma cortisol level.
Explanation:
Dexamethasone is a synthetic Glucocorticoid.As a result it"s functions will be analogous to that of Glucocorticoid.Dexamethasone generally stimulate the rate of Gluconeogenesis thus increasing the production of glucose.As a result the plasma glucose level is elevated.
The genotype for the possible children is 'AATt, AAtt, Aatt, AaTt'. Woman has normal pigment which means she must have at-least one' 'A. her father is albino and albino allele is recessive , so his genotype is 'aa'. Then 'Aa' genotype is present in skin.
Woman cannot taste PTC because the ability ti taste PTC is dominant .So 'tt' genotype is present for tasting trait. Putting both the trait the woman's genotype is 'Aatt'.
(PTC) Phenylthiocarbamide tasting is a trait governed by pair of alleles , 'T' is for tasting dominant and recessive 't' is for non- tasting.The genotype of parents perform a punnett square to determine the F1 offspring. And the genotype of possible children can be determine.
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Answer:
Where does the light dependent reaction of photosynthesis occur? what is produced?
it is a reaction that happens during the presence of sunlight and it occurs in the day where energy is transferred from the sun to green plants and it results into carbon dioxide and oxygen when the glucose has been broken down with the help of ATP
Explanation:
The answer is convulsions. This occurs when there are continuous involuntary contraction and relaxation of muscle of the body as a result of a continuous unchecked transmission of impulse by neurons to the muscles. This can only occur if the ion channels of the neurons are continually kept open, such as by the toxin in this case.
