If a cell contains large amounts of rough ER, then

large amounts of protein hormones could be exported by the cell

digestive enzymes cannot be manufactured by that cell

few, if any, enzymes for biomedical processes are manufactured by that cell

membrane lipids could be produced by that cell

How does a cell rid itself of defective or malfunctioning organelles?

Lysosomes assist in the removal of defective organelles by digesting them.

Defective organelles accumulate until the cell itself dies.

Ribosomes remove malfunctioning organelles by degrading the parts.

The organelles are engulfed by plastids and stored.

Which statement most accurately describes the interactions among ER, ribosomes, and Golgi bodies in exporting protein from the cell?

Ribosomes manufacture proteins, which travel through the ER and are packaged by the Golgi bodies for export

Ribosomes make proteins that travel through the Golgi bodies to the ER, which exports them.

ER manufactures proteins, which are carried by the Golgi bodies to the ribosomes for export

ER manufactures proteins, which are carried by ribosomes to the Golgi bodies for export.

All of the following are characteristics of mitochondria and chloroplasts EXCEPT:

both can capture energy of sunlight

both are surrounded by a double membrane

both likely evolved from prokaryotic bacteria

If you removed the sex pili from a bacterial cell, then the

bacterium could no longer exchange DNA with other cells

shape of the bacterium would change

bacterium could no longer regulate the movement of molecules into and out of the cell

Phospholipids spontaneously form a bi-layer in an aqueous solution. Why do the heads of the phospholipids point out and the tails point toward one another?

The tails are repelled by the aqueous environment.

The heads are repelled by the water inside and outside the cell.

The tails are non-polar and form hydrogen bonds.

Which of the following accounts for the fluid aspect of the fluid mosaic model of plasma membranes?

The individual phosholipid molecules are not bonded to one another, so the movement of certain proteins and lipids is possible within the bilayer.

The plasma membrane is "fluid" because of the movement of substances across the membrane.

One of the components of the membrane is water.

Imagine that you fill a shadow tray with water and place a drop of red ink in one end of the tray and a drop of green ink in the other end. Which of the following is true at equilibrium?

The red and green inks are both uniformly distributed throughout the tray.

No predictions can be made without knowing the size of the ink molecules.

The red ink is uniformly distributed in one half of the tray, and the green ink is uniformly distributed in the other half of the tray.

Each ink is moving down its concentration gradient.

To say that a cell if "selectively permeable" means

only certain molecules can pass through

its permeable to different substances than other cells

it has different-sized perforations in the membrane

permeability depends on gradient differences

If red blood cells are taken from the body and placed in a hypertonic solution, what happens to the cells?

The cells shrivel up because water leaves them.

The cells remain unchanged due to equal solute concentrations inside and outside the cells.

They become white blooded cells.

The cells swell and burst because water moves into them.

Two aqueous solutions are separated by a selectively permeable membrane that allows water to pass through but does not allow starch to pass through. Solution A is 10% starch and solution B is 5% starch. What will occur?

Water will diffuse from solution B to solution A.

Water will diffuse from solution A to solution B.

Starch will diffuse from solution A to solution B.

Starch will diffuse from solution B to solution A.

Which of the following is part of the first law of thermodynamics?

Kinetic energy is stored energy.

Energy cannot be carried or destroyed.

Exergonic reactions are coupled with endergonic reactions.

Potential energy equal kinetic energy in a reaction.

When solid sodium hydroxide is added to water, the solution gets hot. This is an example of a(n)

conversion of kinetic energy to potential energy

When a high energy bond of ATP is broken, what primarily happens to the released energy?

It converts inorganic phosphates to energy carrier molecules.

It drives endergonic reactions in the cell.

Most reactions in the body occur too slowly to sustain life. This is because

most biological catalysts are not active at body temperature (37 degrees celcius)

all reactions in the body are endergonic

many reactions require large imputs of activation energy

there is not enough ATP in body cells

All of the following statements pertaining to catalysts are true EXCEPT:

catalysts increase activation energy requirements

biological catalysts are specific enzymes

catalysts can be used over and over again

catalysts increase the reaction rate

Enzymes are important because they

allow reactions to occur at body temperature

bind irreversibly to substrates

increase the body temperature of organisms

can enable organisms to evade the laws of thermodynamics

Animals have enzymes that break apart starch molecules but not cellulose, despite the fact that both are made up of glucose subunits. Which enzyme characteristic best explains this?

ezymes usually speed up chemical reactions

to say that an enzyme has been denatured means that

its three-dimensional structure has changed and the enzyme can no longer function properly

the enzyme is working at its maximal rate

the enzyme is working at optimal temperature

an inhibitor has bound the enzyme at the active site

Imagine that you are conducting an experiment on an enzyme known as sucrase. This enzyme is synthesized and used by yeast cells to break down the dissachride sucrose (table sugar) into the monosacchrides glucose and fructose. You decide to conduct an experiment to test whether the sucrase enzyme can break down the artificial sweetener sucralose. Sucralose (a "chlorinated" carbohydrate) has some chemical similarity to sucrose, but is different in that three of its hydroxyl groups are missing and replaced with chlorine atoms instead. Based on the details provided in this scenario, do you think the sucrase enzyme will be able to interact with sucralose?

No; all enzymes are highly specific and can react with only a specific substrate.

No; sucralose is an ion and not a true carbohydrate.

Yes; enzymes such as sucrase are not specific for their substrate.

Yes; the enzymes in human cells can interact with artificial sweeteners as if they were sugars.

BIO 101 Exam 2

Authored by Dejah Brown

Biology

11th Grade - University

NGSS covered

Used 131+ times

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This comprehensive exam covers cell biology, specifically focusing on cell structure and function, membrane biology, and bioenergetics. The content is appropriate for 11th-grade high school biology or introductory college biology courses. Students must demonstrate mastery of fundamental cellular concepts including microscopy principles, cell theory, organelle structure and function, membrane composition and transport mechanisms, and enzyme kinetics. The questions require students to apply knowledge of prokaryotic versus eukaryotic cell characteristics, understand the relationship between cellular structure and specialized function, analyze membrane permeability and transport processes, and evaluate enzymatic reactions and thermodynamic principles. Success on this assessment demands both factual recall and the ability to analyze biological scenarios, particularly in understanding how molecular structure determines cellular function and how energy flows through biological systems. Created by Dejah Brown, a Biology teacher in the US who teaches grades 11 and 13. This examination serves as a comprehensive assessment tool for students studying foundational cell biology concepts, providing an excellent benchmark for measuring student understanding of cellular structure and function. The quiz can be effectively utilized for summative assessment following completion of cell biology units, as review material before advanced placement examinations, or as a diagnostic tool to identify areas requiring additional instruction. The breadth of topics covered makes it particularly valuable for formative assessment, allowing educators to gauge student comprehension across multiple learning objectives. This assessment aligns with NGSS standards HS-LS1-1 (construct models of cell components), HS-LS1-2 (develop models of cellular processes), and HS-LS1-3 (plan investigations of cellular transport), while supporting Common Core scientific literacy standards through its emphasis on analyzing biological data and applying scientific reasoning.

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46 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of microscope has the best resolution?

an electron microscope

Leeuwenhoek's microscope

Hooke's microscope

a modern light microscope

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following components is NOT part of the modern cell theory?

the smallest living organisms are single cells

all cells arise from preexisting cells

all living organisms are made up of one or more cells

bacterial cells are eukaryotic

cells are the functional units of multi-cellular organisms

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

All cells possess all of the following components EXCEPT:

a plasma cell membrane

ribosomes

genetic material

a nuclear membrane

cytoplasm

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The cytoplasm of eukaryotic cells contains all of the following EXCEPT:

chromosomes

organelles

water

enzymes

dissolved nutrients

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The phospholipids that make up the plasma membrane have heads and tails.

eukaryotic; prokaryotic

hydrophilic; hydrophobic

prokaryotic; eukaryotic

cytoplasmic; phagocytic

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Membrane proteins are synthesized on ribosomes that are found

on the smooth endoplasmic reticulum

on the rough endoplasmic reticulum

in the nucleus

on the Golgi apparatus

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A mutant plant cell with no chloroplasts would

still be able to use carbohydrates as an energy source

appear green in color

still be able to capture energy as sunlight

synthesize new chloroplasts in the nucleus

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BIO 101 Exam 2

Which type of microscope has the best resolution?

Which of the following components is NOT part of the modern cell theory?

All cells possess all of the following components EXCEPT:

The cytoplasm of eukaryotic cells contains all of the following EXCEPT:

The phospholipids that make up the plasma membrane have heads and tails.

Membrane proteins are synthesized on ribosomes that are found

A mutant plant cell with no chloroplasts would

What primarily determines the shape of animal cells, which lack cell walls?

Which of the following does NOT possess a double membrane?

Which organelle is most abundant in cardiac muscle cells?

Access all questions and much more by creating a free account

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BIO 101 Exam 2

Which type of microscope has the best resolution?

Which of the following components is NOT part of the modern cell theory?

All cells possess all of the following components EXCEPT:

The cytoplasm of eukaryotic cells contains all of the following EXCEPT:

The phospholipids that make up the plasma membrane have ____ heads and ____ tails.

Membrane proteins are synthesized on ribosomes that are found

A mutant plant cell with no chloroplasts would

What primarily determines the shape of animal cells, which lack cell walls?

Which of the following does NOT possess a double membrane?

Which organelle is most abundant in cardiac muscle cells?

Access all questions and much more by creating a free account

Similar Resources on Wayground

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Discover more resources for Biology

The phospholipids that make up the plasma membrane have heads and tails.