Where is the general location of a Barr body?

A) stuck in a nuclear pore
B) adjacent to the Y chromosome
C) attached to the other X chromosome
D) attached to the nuclear envelope
E) in the nucleolus


Answer: D

Biology & Microbiology

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A common consequence of nutrient deficiencies in plants is chlorosis, which is ____

a. wilting due to a lack of chlorine in leaves b. death of the growing tips c. premature loss of leaves d. bursting of cells from excess water uptake due to an inability to clear chlorine from them e. yellowing of plant tissues due to a lack of chlorophyll

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Which of the following is NOT true about peat

bogs?

a. they are found throughout the world at high latitudes b. they are harvested and used in planting mixtures c. they are harvested and used as fuels d. they are anaerobic e. they are highly alkaline

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Which portion of the plasma membrane carries out most of the membrane’s specific functions?

a. proteins b. lipids c. carbohydrates d. glycolipids e. phospholipids

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If individuals in the same town continue to only mate with other individuals from the same town, one

would expect to see an increase in __________ within the population. a. genetic drift b. migration c. heterozygosity d. homozygosity e. assortative mating

Biology & Microbiology