Biology Chapter 6 (P1) Question Preview (ID: 3133)


More Detailed Assessment Of Chapter 6 (Holt, Rinehart And Winston). TEACHERS: click here for quick copy question ID numbers.

Which process requires energy (ATP) to oppose the diffusion flow and move molecules across the membrane?
a) Passive transport
b) Exocytosis
c) Osmosis
d) Active transport

In osmosis, which would result in a healthy plant cell?
a) Hypertonic solution (more solute than solvent)
b) Hypotonic solution (more solvent than solute)
c) Isotonic (equal amount of solute and solvent)
d) None of the above

Which of the processes below is a passive transport of water?
a) Passive transport
b) Exocytosis
c) Osmosis
d) Active transport

Membrane proteins have the role of --
a)
b) Send chemical signals
c) Transport proteins (faciliated diffusion)
d) All of the above

Which process diffuses molecules across the membrane purely through the molecules' movement?
a) Passive transport
b) Osmosis
c) Active transport
d) Exocytosis

Which process is described: large particles in cell -- vesicles -- fuse with membrane -- spill contents outside
a) Passive transport
b) Osmosis
c) Active transport
d) Exocytosis

Which of the below is false of the phospholipid bilayer?
a) They're made of glycerol and 2 fatty acids (not 3, or it would be (Fat)
b) Allows some molecules to cross (nonpolar) but not others (ions)
c) Made of a phosphate and hydrophilic head while its tail is hydrophobic and points inwards
d) None of the above

What is the main difference between prokaryotes and eukaryotes?
a) Eukaryotes have nuclei and other main organelles, but prokaryotes don't
b) Eukaryotes are 10-100 nm, but prokaryotes are 1-10 nm
c) Eukaryotes'
d) Eukaryotes include fungi, plants, and animals, while prokaryotes include bacteria and archaea

Cytoplasm: the region between the nucleus, membrane, and other organelles in fluid
a) Plasma membrane: a thin outer covering that acts as a boundary and regulates traffic
b) Nucleus: houses DNA
c) Cell wall: protects plants and maintains shape
d) Cytoplasm: the region between the nucleus, membrane, and other organelles in fluid

Which of the below is not part of the cell theory?
a) All living things are made of cells
b) Cells make up the basic unit structure and function in all living things
c) Cells are tiny compartments first discovered by Robert Hooke
d) All cells are from pre-existing cells

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