If there are 32 sister chromatids in a normal somatic cell, how many chromosomes are there?
A. 32
B. 64
C. 16
D. 8
Answer: C
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Plants and algae most recently shared a common ancestor 480 million years ago, and plants colonized land shortly after that. In sexual reproduction, an alga simply releases gametes into the water, and the current carries the sex cells to another individual. What adaptation did plants have to make in reproduction when they moved to dry land?
a. Development of stomata b. Development of vascular tissue c. Production of a cuticle d. Production of pollen e. Production of lignin
Why is the total biomass of secondary consumers normally less than that of primary consumers?
What will be an ideal response?
Small, membrane-bound sac that stores substances within a cell.
What will be an ideal response?
Use the following dataset to answer the following question.StateYearSalesCapital ExpendituresWagesWestern2016$750,000$130,000$330,000Eastern2016$645,000$225,000$430,000Western2017$770,050$145,000$230,000Eastern2017$925,000$125,000$530,000Using a spreadsheet software, such as Excel, to preview different views of this dataset, such as Sales in the Eastern part of the country, would be aided by what?
A. Linear regression B. Scorecard C. Pivot table D. Cluster analysis