Unit A 1.1 Question Preview (ID: 48392)
Cells.
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Which is an energy-free movement of materials through a cell membrane?
a) vacuole
b) active transport
c) passive transport
d) diffusion
What helps to make food in plant cells?
a) chloroplasts
b) cytoplasm
c) mitochondria
d) chromosome
This stores food, water, and waste materials for the cell.
a) nucleus
b) vacuole
c) chromosome
d) cell membrane
_______________________ can move an animal's skeleton by contracting and relaxing.
a) diffusion
b) nervous tissue
c) red blood cells
d) muscle tissue
What part of the cell holds parts of the cell together; and separates the cell from its surroundings?
a) cytoplasm
b) nucleus
c) cell membrane
d) chloroplast
This is the way that most materials move into and out of a cell.
a) diffusion
b) passive transport
c) osmosis
d) active transport
These are threadlike structures that contain information about the characteristics of an organism.
a) cytoplasm
b) osmosis
c) mitochondria
d) chromosomes
This carries electrical signals that affect muscle tissue.
a) cell membrane
b) nervous tissue
c) diffusion
d) active transport
The __________________ controls the cell's activities.
a) nucleus
b) cytoplasm
c) vacuole
d) chloroplasts
________________________ uses a carrier and energy from a cell to transport materials through the cell.
a) nervous tissue
b) diffusion
c) passive transport
d) active transport
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