Biology Quiz 7-3/4 Part 2 (Multiple Choice): Question Preview (ID: 32574)

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Which of the following is a function of the cell membrane?
a) keeps the cell wall in place
b) breaks down organic substances
c) regulates what enters and leaves the cell
d) stores water and other organic compounds

The diffusion of water across a selectively permeable membrane is
a) facilitated diffusion
b) active transport
c) osmotic pressure
d) osmosis

When the concentration of molecules on both sides of a membrane is the same, the molecules will
a) move across the membrane in both directions
b) move across the membrane into the cell
c) stop moving across the membrane
d) move across the membrane outside of the cell

Diffusion occurs because
a) molecules constantly move and collide with each other
b) molecules never move or collide
c) the concentration of a solution is never the same throughout the solution
d) the concentration of a solution is always the same throughout the solution

An animal cell surrounded by fresh water will burst because
a) water will move out of the cell
b) water will move into the cell
c) solutes will move out of the cell
d) solutes will move into the cell

Which means of particle transport requires energy?
a) osmosis
b) passive transport
c) diffusion
d) active transport

The cell membrane contains channels and pumps that help move materials from one side to the other. What are these channels and pumps made from?
a) lipids
b) carbohydrates
c) proteins
d) nucleic acids

Which organelles help provide cells with energy?
a) smooth and rough ER
b) chloroplasts and ribosomes
c) mitochondria and chloroplasts
d) mitochondria and ribosomes

The movement of any type of molecule from an area of high concentration to low concentration is
a) osmosis
b) diffusion
c) transport
d) none of these

Which of the following structures serves as the cell's boundary from its environment?
a) chloroplast
b) channel proteins
c) cell membrane
d) mitochondria

An organ system is a group of cells that
a) are made up of similar cells
b) are made up of similar tissues
c) made up of organs that work together for a multicellular organism
d) none of these

Which of the following is an example of an organ
a) heart
b) lungs
c) skin
d) all of these

Which of the following is a function of the nucleus?
a) contains the information to make proteins
b) controls the cells processes
c) stores DNA
d) all of these

Which list represents the levels of organization in a multicellular organism from the simplest to most complex?
a) organ system, organ, tissue, cell
b) tissue, organ, cell, organ system
c) cell, tissue, organ, organ system
d) cell, tissue, organ system, organ

A group of cells that perform similar functions is a(n)
a) organ
b) tissue
c) organ sytem
d) specialization

The cells of multicellular organisms are
a) smaller than those of unicellular organisms
b) not dependent on each other
c) simpler than those of unicellular organisms
d) specialized to perform a particular function

ALL of the following are examples of cell specialization EXCEPT
a) a pancreatic cell that produces digestive enzymes
b) a red blood cell that carries oxygen
c) a prokaryotic cell that carries out photosynthesis
d) a nerve cell that carries messages around the body

Which term refers to cell having different jobs in an organism?
a) multicellular
b) unicellular
c) cell specialization
d) levels of organization

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