7th Grade Ch 2 Question Preview (ID: 39630)


Cell.

Robert Hooke named cells cells because
a) cellula is Latin for juicy little compartments
b) they reminded him of monk's rooms
c) he thought the pictures he drew of them would cell
d) they reminded him of jail cells

Which scientist proposed that new cells come from preexisting cells?
a) Theodor Schwann
b) Matthias Schleiden
c) Rudolf Virchow
d) Robert Hooke

What is the main ingredient in cells?
a) cytoplasm
b) proteins
c) nitrogen
d) water

Which macromolecule stores genetic information?
a) nucleic acids
b) proteins
c) lipids
d) carbs

The size and shape of a cell is related to
a) the part of the body it is located in
b) its function
c) how much water is in it
d) none of the above

The cell appendage that is long and tail-like and moves the cell is the
a) flagella
b) cilia
c) cytoskeleton
d) cytoplasm

Fermentation is used to make energy molecules when ___ is low.
a) glucose
b) oxygen
c) water
d) carbon

Which is NOT something that is required for photosynthesis?
a) carbon dioxide
b) water
c) light energy
d) oxygen

Which of the following does photosynthesis produce?
a) water and energy
b) glucose and energy
c) glucose and oxygen
d) energy and oxygen

Which organelle prepares proteins for their specific jobs or functions, then packages them into vesicles?
a) cell membrane
b) Golgi apparatus
c) ribosomes
d) rough ER

Which organelle helps remove harmful substances from the cell?
a) smooth ER
b) mitochondria
c) rough ER
d) chloroplast

The stiff outer layer of a cell
a) cell membrane
b) cell wall
c) nucleus
d) chloroplast

How would you know that a cell is prokaryotic?
a) It doesn't have a nucleus
b) It has a nucleus
c) It has ribosomes
d) It has DNA

To move things from an area of low concentration to an area of high concentration, the cell uses
a) passive transport
b) facilitated diffusion
c) active transport
d) Greyhound

The process during which a cell's vesicles release their contents outside the cell
a) endocytosis
b) exocytosis
c) facilitated diffusion
d) osmosis

The diffusion of water only through the cell membrane
a) active transport
b) endocytosis
c) exocytosis
d) osmosis

A process by which glucose, a sugar, is broken down into smaller molecules.
a) glycolysis
b) diffusion
c) osmosis
d) endocytosis

A network of threadlike proteins that are joined together
a) cell membrane
b) cell wall
c) cytoskeleton
d) cytoplasm

Substances that form by joining many small molecules together
a) cytoskeleton
b) macromolecules
c) nucleus
d) organelle

Which is NOT part of the cell theory?
a) all new cells come from preexisting cells
b) all living things are made of one or more cells
c) the cell is the smallest unit of life
d) all new cells come from spontaneous generation

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