Multiple Choice
________ improved the original light microscope in the late 1600s,allowing the visualization of ________.
A) Theodor Schwann; the internal structures of cells,such as ribosomes,nuclei,and golgi bodies
B) Robert Hooke; bacteria and viruses
C) Antonie van Leeuwenhoek; sperm cells,bacteria,algae,and other protists
D) Robert Brown; cell structures using fluorescent antibodies
E) Rudolf Virchow; collagen and muscle cells
Correct Answer:
Verified
Correct Answer:
Verified
Q19: Scanning electron microscopy (SEM)is especially suited to<br>A)observing
Q20: The limit of resolution can best be
Q21: You have identified a new molecule associated
Q22: Which of the following is smallest?<br>A)ribosome<br>B)virus<br>C)protein<br>D)mitochondrion<br>E)prokaryote
Q23: Melvin Calvin used _,a specific _,to deduce
Q25: Scientists use various terms to describe conclusions
Q26: Cell biology emerged from which of the
Q27: Around 1914,_ determined that DNA was an
Q28: A scientific _ must be so thoroughly
Q29: Because of the low penetration power of