Which of these diagrams represents an age structure diagram of more-developed countries?
A. Diagram A
B. Diagram B
Answer: A
Biology & Microbiology
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Plants transport water to their leaves through the xylem when water evaporates from the leaves. The evaporating water pulls other water molecules up the xylem through ____
A. Hydrophobic interactions B. Ionic bonds C. Covalent bonds D. Hydrogen bonds
Biology & Microbiology
What type of thinking is required?
What will be an ideal response?
Biology & Microbiology
Which of these items associated with DNA packaging is the thickest?
a. a DNA double helix b. a solenoid c. a nucleosome d. an H2A histone protein e. an H1 histone protein
Biology & Microbiology
Amoebas move from place to place by means of their
A. pseudomonads. B. plasmodia. C. cysts. D. sporocarps. E. pseudopods.
Biology & Microbiology