What is the function of the nucleus in the cell?
a. It is the repository for most of the genetic material (chromatin) in the cell.
b. It controls all cellular activity.
c. It is responsible for packaging DNA fragments.
d. Both a and b above.
d
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Which of the following plants would likely be the first to colonize a newly formed volcanic island (an environment with very little soil and limited room for roots to grow)?
A. vascular plants B. lycophytes C. bryophytes D. gymnosperms
Which of the following is a heterotroph?
A) grass B) a tree C) a mushroom D) a geranium E) a cyanobacterium
What is being described? A polymer of nucleotides
What will be an ideal response?
Plasma
A. contains albumin and globulins. B. contains fibrinogen. C. is the liquid portion of blood in which blood cells are suspended. D. is mostly water. E. All of these choices are correct.