A student compares the four distinct cells that could form from the stem cell after differentiation. Which statement accurately
compares and contrasts the red blood cell and the white blood cell?
es 0)
The cells both have nuclei, but the red and white blood cells have different
amounts of DNA
The cells both have the same copy of DNA, but different genes are
expressed in the two cell types.
The cells have the same proteins expressed, but the red and white blood
cells have different functions.
The cells both have the same number of chromosomes, but the red and
white blood cells have different mutations in their DNA
Answers: 3
Biology, 22.06.2019 01:50
Select the correct answer. a chestnut-colored horse mates with a white-colored horse to produce a brown and white spotted offspring. what is the type of inheritance pattern?
Answers: 3
Biology, 22.06.2019 11:20
Archeologists have discovered three sites showing conclusive evidence for the mastery of fire in tanzania, from a period slightly after the time that homo habilis was present in africa. these sites clearly were founded by homo erectus, the descendent species of homo habilis that migrated north, out of africa and into asia. homo erectus was known to have mastered fire, from ample evidence at sites in asia. there is no reason to attribute mastery of fire to homo ergaster, the descendent species of homo habilis that remained in africa.which of the following is an assumption on which the argument depends? (a) before their migration, homo erectus occupied african territory as far south as tanzania.(b) the strain of migration provided the selective pressure motivating homo erectus‘ mastery of fire.(c) homo ergaster would not have derived as much benefit from the mastery of fire as did homo erectus.(d) homo ergaster inherited all cultural knowledge from homo habilis, a species that did not have mastery of fire.(e) homo ergaster did not occupy regions as far south as tanzania until well after the time of these three sites.
Answers: 2
A student compares the four distinct cells that could form from the stem cell after differentiation....
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