Which statement about microarrays is false?
A) Microarrays enable scientists to determine the activity of thousands of genes at once.
B) Microarrays use tiny portions of double-stranded RNA fragments from a large number of genes.
C) Microarrays are used to determine which genes are active in different tissues or in tissues of different states of health.
D) Microarrays use fluorescently labeled cDNA molecules to identify particular genes expressed at a particular time.
Answer: B
You might also like to view...
Substances that induce an immune response are known as
A) immunogens. B) antigens. C) immunoglobins. D) antigen-presenting cells.
Which statement about the cytoskeleton is correct?
a. Microfilaments are narrower than both intermediate filaments and microtubules. b. Microfilaments resist compressive forces on the cell and help it to retain its shape. c. Intermediate filaments provide pathways for organelles to follow during cell division. d. Microtubules are involved in movement external to the cell but not internally.
Select all correct descriptions of changes that occur to the circulatory system of a pregnant woman.
e. increased renin-angiotensin-aldosterone activity d. relaxation of the smooth muscle in arteries c. increased blood volume d. All of the above
The cones of gymnosperms play the same role as ____ in angiosperms.
A. flowers B. seeds C. leaves D. fruit E. roots