Which organelle breaks down organelles that are no longer useful? A.Lysosome B.Endoplasmic reticulum...

Which organelle breaks down organelles that are no longer

useful?

A. Lysosome B. Endoplasmic reticulumC. MitochondrionD. Golgi apparatus

Which organelle would you expect to find in plant cells but not animal

cells?

A. ChloroplastB. MitochondrionC. RibosomeD. Smooth endoplasmic reticulum

Looking at a cell under a microscope you note that it is a prokaryote. How do you know?

A. The cell lacks genetic materialB. The cell lacks a cell membrane.C. The cell lacks a nucleusD. The cell lacks cytoplasm

Which structure in the cell stores materials, such as water, salts, proteins and carbohydrates?

A. Structure AB. Structure BC. Structure CD. Structure D

Which structure in the cell modifies, sorts and packages proteins and other materials

for storage or release from the cell?

A. Structure BB. Structure AC. Structure CD. Structure D

Which of the following conclusions could you draw about the cell

shown here?

A. The cell is eukaryotic because it does not have a nucleus.

B. The cell is eukaryotic because it has a nucleus.

C. The cell is prokarotic because it has a nucleus.

D. The cell is prokaryotic because it does not have a nucleus

Which structure makes proteins using coded instructions that come

from the nucleus?

A. Golgi apparatusB. MitochondrionC. VacuoleD. ribosome

Which of the following enclose their DNA in a nucleus?

A. ProkaryotesB. BacteriaC. EukaryotesD. viruses

Which structures are involved in cell movement?

A. Nucleolus and nucleusB. Cytoplasm and ribosomesC. ChromosomesD. Microtubules and microfilaments

Which of the following best describes the relationship between

the nucleus and the cytoplasm?

A. The cytoplasm is a fluid that fills the inside of the nucleus

B. The cytoplasm is an organelle that is usually found near the nucleus

C. The nucleus is an organelle that is surrounded by the cytoplasm

During diffusion, when the concentration of molecules on both sides of a

membrane is the same, the molecules will

A. Move across the membrane to the inside of the cell

B. Continue to move across the membrane in both directions

C. Stop moving across the membraneD. Move across the membrane to the outside of

the cell

What advance in technology made the discovery of cells possible?

A. The particle acceleratorB. The Ultraviolet lightC. The centrifugeD. The microscope

Which of the following organisms are prokaryotes?

A. Plants B. AnimalsC. BacteriaD. fungi

Which means of particle transport is shown here?

A. Active transportB. Facilitated diffusionC. OsmosisD. diffusion

Which of the following statements about the nucleus is NOT true?

A. The nucleus usually contains a nucleolus region which is where ribosome assembly begins

B. The nucleus is surrounded by a nuclear envelope that lets materials in and out.

C. The nucleus stores the coded instructions for making the cell’s proteins.

D. The nucleus is the site of protein assembly

Colors seen in images made from electron microscopes are

A. The colors of electronsB. Added so scientists can trace living cells

through the bodyC. Added to make certain structures easier to

seeD. True to life

You will NOT find a cell wall in which of these kinds of organisms?

A. Animals B. PlantsC. FungiD. bacteria

An animal cell that is surrounded by fresh water will burst because

the osmotic pressure causes

A. Solutes to move into the cellB. Water to move into the cellC. Water to move out of the cellD. Solutes to move out of the cell

Which of the following is a function of the cytoskeleton?

A. Contains DNAB. Helps make proteinsC. Surrounds the cellD. Helps a cell keep its shape

Which of the following structures serves as the cell’s boundary from

its environment?

A. Channel proteinB. MitochondrionC. ChloroplastD. Cell membrane

Diffusion occurs because…

A. Cellular energy forces molecules to collide with each other

B. Cellular energy pumps molecules across the cell membrane

C. Molecules are attracted to one anotherD. Molecules constantly move and collide with

each other

Unlike the cell membrane, the cell wall is

A. Selectively permeableB. Composed of a lipid bilayerC. A rigid structureD. Found in all organisms

Which of the following is an example of an organ?

A. Nerve cellB. Digestive systemC. HeartD. Epethilial tissue

Who used a compound microscope to see chambers within cork and

named them “cells”?

A. Anton van LeeuwenhoekB. Rudolf VirchowC. Robert HookeD. Matthias Schleiden

The primary function of the cell wall is to?

A. Support and protect the cellB. Direct the activities of the cellC. Help the cell moveD. Store DNA

Which of the following is NOT a principle of the cell theory?

A. All living things are made of cellsB. Cells are the basic units of lifeC. All cells are produced from existing cellsD. Very few cells are able to reproduce

Which organelle converts the chemical energy stored in food into compounds

that are move convenient for the cell to use?

A. Golgi apparatusB. Endoplasmic reticulumC. ChloroplastD. mitochondrion

Electron microscopes can reveal details

A. About the different colors of cell structuresB. Only specimens that are still aliveC. 1000 times smaller than those visible in light

microscopesD. Of cell structures only once they are stained

Which of these is NOT true of cells?

A. They were first discovered in the 1600sB. They are much like empty roomsC. They can be found in pond waterD. They contain a huge array of working parts

Which means of particle transport is shown here?

A. ExocytosisB. Protein pumpC. EndocytosisD. Facilitated diffusion

Which sequence correctly traces the path of a protein in the cell?

A. Ribosome, endoplasmic reticulum, golgi apparatus

B. Ribosome, golgi apparatus, endoplasmic reticulum

C. Ribosome, endoplasmic reticulum, chloroplastD. Endoplasmic reticulum, lysosome, golgi

apparatus

The cell membrane contains channels and pumps that help move materials from one side to the other. What are these channels

and pumps made of?

A. CarbohydratesB. ProteinsC. BilipidsD. lipids

Which of the following is a function of the cell membrane?

A. Regulates the movement of materials into and out of the cell

B. Stores water, salt, proteins, and carbohydrates

C. Breaks down lipids, carbohydrates, and proteins from foods

D. Keeps the cell wall in place

Which term describes the relatively constant physical conditions of an

organism?

A. Organ systemB. Cell specializationC. HomeostasisD. unicellularity

An organ system is a group of organs that

A. Are made up of similar tissues.B. Work together to perform a specific function.C. Are made up of similar cells.D. Work together to perform all the functions in

a multicellular organism.

The diffusion of water across a selectively permeable membrane is

called

A. Osmosis.B. Osmotic pressure.C. Active transport.D. Pinocytosis.

Not all cells are alike. Which of the following is NOT a true statement about differences between cells?

A. Some cells have a nucleus, but others do not.B. Different kinds of cells are different sizes.C. Cells come in many different shapes.D. Most cells have a membrane, but some do

not.

Which of the following activities is NOT a way that unicellular

organisms maintain homeostasis?

A. GrowthB. Response to environmentC. Cell specializationD. reproduction

Which of the following is a function of the nucleus?

A. Stores sugarsB. Builds proteinsC. Stores DNAD. Packages proteins

Which type of microscope can produce three-dimensional images

of a cell’s surface?

A. Transmission electron microscopeB. Scanning electron microscopeC. Simple light microscopeD. Compound light microscope

A group of similar cells that perform a particular function is

called

A. An organ systemB. A division of laborC. A tissueD. An organ

Which organelles are involved in energy conversion?

A. Mitochondria and chloroplastsB. Smooth and rough endoplasmic reticulumC. Golgi apparatus and chloroplastsD. Mitochondria and ribosomes

The cells of unicellular organisms are

A. Unable to respond to changes in their environment

B. Larger than those of multicellular organismsC. Specialized to perform different tasksD. Able to carry out all of the functions

necessary for life

Which list represents the levels of organization in a multicellular organism

from the simplest level to the most complex level?

A. Organ system, organ, tissue, cellB. Cell, tissue, organ system, organC. Cell, tissue, organ, organ systemD. Tissue, organ, organ system, cell

Which means of particle transport requires input of energy from the

cell?

A. DiffusionB. OsmosisC. Active transportD. Facilitated diffusion

True or False?

A cell in a multicellular organism must be able to carry out all of the functions necessary for life in order

for the organism to survive.

True or False?

Ribosomes that synthesize proteins are found on the smooth endoplasmic reticulum.

True or False?

Prokaryotic and eukaryotic cells are surrounded by a thin, flexible

barrier called a cell membrane.

True or False?

Plant cells have chloroplasts but do not have mitochondria

True or False?

Once equilibrium is reached, roughly equal numbers of molecules move in

either direction across a semipermeable membrane, and there is no further

change in concentration on either side of the membrane.

Why is the egg that is soaking in corn syrup shrinking?