Question 1

Short hair-like structures that protrude from the plasma membrane of some eukaryotic cells are called ____.

Accepted Answer

A) cilia 
B) flagella 
C) intermediate filaments 
D) microfilaments 
E) pili 
A) cilia 
B) flagella 
C) intermediate filaments 
D) microfilaments 
E) pili

Question 2

Lipids that are destined for cell membranes are synthesized in the ____.

Accepted Answer

A) Golgi bodies 
B) ribosomes 
C) rough endoplasmic reticulum 
D) lysosomes 
E) smooth endoplasmic reticulum 
A) Golgi bodies 
B) ribosomes 
C) rough endoplasmic reticulum 
D) lysosomes 
E) smooth endoplasmic reticulum

Question 3

In response to low blood glucose levels, the pancreas produces the hormone glucagon. Glucagon functions by binding to molecules on the surface of liver cells, causing changes in cellular activity that lead to the release of glucose into the blood. The proteins to which glucagon binds are ____.​

Accepted Answer

A) ​antibodies 
B) ​transport proteins 
C) ​receptor proteins 
D) ​enzymes 
E) ​adhesion proteins 
A) ​antibodies 
B) ​transport proteins 
C) ​receptor proteins 
D) ​enzymes 
E) ​adhesion proteins

Question 4

​Match the cytoskeletal structure with the best description.
-​cytoskeletal reinforcement under the plasma membrane

Accepted Answer

A) ​dynein 
B) ​cell cortex 
C) ​centriole 
D) ​microtubule 
E) ​microfilament
F)​intermediate filament 
A) ​dynein 
B) ​cell cortex 
C) ​centriole 
D) ​microtubule 
E) ​microfilament
F)​intermediate filament

Question 5

Match the organelle to the correct description. Each choice may be used more than once.
-aerobic respiration

Accepted Answer

A) ribosomes 
B) mitochondria 
C) lysosomes 
D) Golgi bodies 
E) endoplasmic reticulum 
A) ribosomes 
B) mitochondria 
C) lysosomes 
D) Golgi bodies 
E) endoplasmic reticulum

Question 6

Match the endomembrane system component with the best description.
-any small, membrane enclosed sac

Accepted Answer

A) vesicle 
B) lysosome 
C) peroxisome 
D) vacuole 
A) vesicle 
B) lysosome 
C) peroxisome 
D) vacuole

Question 7

​Match the cytoskeletal structure with the best description.
-​arranged in a 9+2 arrangement in cilia and flagella

Accepted Answer

A) ​dynein 
B) ​cell cortex 
C) ​centriole 
D) ​microtubule 
E) ​microfilament
F)​intermediate filament 
A) ​dynein 
B) ​cell cortex 
C) ​centriole 
D) ​microtubule 
E) ​microfilament
F)​intermediate filament

Question 8

Lipids and proteins are synthesized in the ____.

Accepted Answer

A) nucleus 
B) mitochondria 
C) endomembrane system 
D) cytoskeleton 
E) cell membrane 
A) nucleus 
B) mitochondria 
C) endomembrane system 
D) cytoskeleton 
E) cell membrane

Question 9

There are ____ microorganisms living in or on the human body as there are body cells.

Accepted Answer

A) one tenth as many 
B) exponentially more 
C) half as many 
D) twice as many 
E) about the same number of 
A) one tenth as many 
B) exponentially more 
C) half as many 
D) twice as many 
E) about the same number of

Question 10

Match the organelle to the correct description. Each choice may be used more than once.
-site of lipid and protein production

Accepted Answer

A) ribosomes 
B) mitochondria 
C) lysosomes 
D) Golgi bodies 
E) endoplasmic reticulum 
A) ribosomes 
B) mitochondria 
C) lysosomes 
D) Golgi bodies 
E) endoplasmic reticulum

Question 11

Match the organelle to the correct description. Each choice may be used more than once.
-lacks a membrane; protein synthesis

Accepted Answer

A) ribosomes 
B) mitochondria 
C) lysosomes 
D) Golgi bodies 
E) endoplasmic reticulum 
A) ribosomes 
B) mitochondria 
C) lysosomes 
D) Golgi bodies 
E) endoplasmic reticulum

Question 12

Which structure consists of two lipid bilayers folded together as a single membrane?

Accepted Answer

A) cell wall 
B) cell membrane 
C) nuclear envelope 
D) ribosome 
E) Golgi body 
A) cell wall 
B) cell membrane 
C) nuclear envelope 
D) ribosome 
E) Golgi body

Question 13

Match the organelle to the correct description. Each choice may be used more than once.
-the packaging of secretory proteins

Accepted Answer

A) ribosomes 
B) mitochondria 
C) lysosomes 
D) Golgi bodies 
E) endoplasmic reticulum 
A) ribosomes 
B) mitochondria 
C) lysosomes 
D) Golgi bodies 
E) endoplasmic reticulum

Question 14

​A cell membrane that is selectively permeable ____.

Accepted Answer

A) ​allows only certain molecules to cross 
B) ​shares cytoplasm with adjacent cells 
C) ​is joined to adjacent cells by tight junctions 
D) ​contains transport proteins made of peptidoglycan 
E) ​has properties similar to prokaryotic capsules 
A) ​allows only certain molecules to cross 
B) ​shares cytoplasm with adjacent cells 
C) ​is joined to adjacent cells by tight junctions 
D) ​contains transport proteins made of peptidoglycan 
E) ​has properties similar to prokaryotic capsules

Question 15

Phospholipid fatty acid tails spontaneously cluster together away from the aqueous cellular interior and exterior environment due to their ____ nature.

Accepted Answer

A) hydrophobic 
B) hydrophilic 
C) polar 
D) catalytic 
E) mosaic 
A) hydrophobic 
B) hydrophilic 
C) polar 
D) catalytic 
E) mosaic

Question 16

According to the cell theory, ____.

Accepted Answer

A) all cells have a nucleus 
B) cells are not alive unless they are part of a multicellular organism 
C) all living organisms are made up of one or more cells 
D) cells arise spontaneously from nonliving matter 
E) cells grow solely by an increase in volume 
A) all cells have a nucleus 
B) cells are not alive unless they are part of a multicellular organism 
C) all living organisms are made up of one or more cells 
D) cells arise spontaneously from nonliving matter 
E) cells grow solely by an increase in volume

Question 17

Match the organelle to the correct description. Each choice may be used more than once.
-modification of proteins and lipids

Accepted Answer

A) ribosomes 
B) mitochondria 
C) lysosomes 
D) Golgi bodies 
E) endoplasmic reticulum 
A) ribosomes 
B) mitochondria 
C) lysosomes 
D) Golgi bodies 
E) endoplasmic reticulum

Question 18

Which type of micrograph gives the most detailed image of the surface of a cell?

Accepted Answer

A) light micrograph 
B) transmission electron micrograph 
C) scanning electron micrograph 
D) colorized transmission electron micrograph 
E) fluorescence micrograph 
A) light micrograph 
B) transmission electron micrograph 
C) scanning electron micrograph 
D) colorized transmission electron micrograph 
E) fluorescence micrograph

Question 19

The extracellular matrix in animal cells that supports and organizes tissues and plays roles in cell signaling is known as the ____.

Accepted Answer

A) lignin 
B) primary cell wall 
C) secondary cell wall 
D) basement membrane 
E) lipid bilayer 
A) lignin 
B) primary cell wall 
C) secondary cell wall 
D) basement membrane 
E) lipid bilayer

Question 20

Different cell membranes can have different functions depending on the____.

Accepted Answer

A) content of cholesterol molecules in the membrane 
B) lengths of phospholipid fatty acids 
C) ratio of saturated to unsaturated fatty acids in the phospholipids 
D) proteins that are anchored to the membrane 
E) presence or absence of a cell cortex 
A) content of cholesterol molecules in the membrane 
B) lengths of phospholipid fatty acids 
C) ratio of saturated to unsaturated fatty acids in the phospholipids 
D) proteins that are anchored to the membrane 
E) presence or absence of a cell cortex

Exam 4: Cell Structure

Short hair-like structures that protrude from the plasma membrane of some eukaryotic cells are called ____.

Lipids that are destined for cell membranes are synthesized in the ____.

In response to low blood glucose levels, the pancreas produces the hormone glucagon. Glucagon functions by binding to molecules on the surface of liver cells, causing changes in cellular activity that lead to the release of glucose into the blood. The proteins to which glucagon binds are ____.​

​Match the cytoskeletal structure with the best description. -​cytoskeletal reinforcement under the plasma membrane

Match the organelle to the correct description. Each choice may be used more than once. -aerobic respiration

Match the endomembrane system component with the best description. -any small, membrane enclosed sac

​Match the cytoskeletal structure with the best description. -​arranged in a 9+2 arrangement in cilia and flagella

Lipids and proteins are synthesized in the ____.

There are ____ microorganisms living in or on the human body as there are body cells.

Match the organelle to the correct description. Each choice may be used more than once. -site of lipid and protein production

Match the organelle to the correct description. Each choice may be used more than once. -lacks a membrane; protein synthesis

Which structure consists of two lipid bilayers folded together as a single membrane?

Match the organelle to the correct description. Each choice may be used more than once. -the packaging of secretory proteins

​A cell membrane that is selectively permeable ____.

Phospholipid fatty acid tails spontaneously cluster together away from the aqueous cellular interior and exterior environment due to their ____ nature.

According to the cell theory, ____.

Match the organelle to the correct description. Each choice may be used more than once. -modification of proteins and lipids

Which type of micrograph gives the most detailed image of the surface of a cell?

The extracellular matrix in animal cells that supports and organizes tissues and plays roles in cell signaling is known as the ____.

Different cell membranes can have different functions depending on the____.

The Science of Biology

Lifes Chemical Basis

Molecules of Life

Ground Rules of Metabolism

Where It Starts-Photosynthesis

Releasing Chemical Energy

DNA Structure and Function

From DNA to Protein

Control of Gene Expression

How Cells Reproduce

Meiosis and Sexual Reproduction

Patterns in Inherited Traits

Human Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Lifes Origin and Early Evolution

Viruses, Bacteria, and Archaea

The Protists

Plant Evolution

Fungi

Animals I: Major Invertebrate Groups

Animals Ii: the Chordates

Plant Tissues

Plant Nutrition and Transport

Plant Reproduction and Development

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Human Nutrition

Maintaining the Internal Environment

Reproduction and Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Human Effects on the Biosphere

Filters

In response to low blood glucose levels, the pancreas produces the hormone glucagon. Glucagon functions by binding to molecules on the surface of liver cells, causing changes in cellular activity that lead to the release of glucose into the blood. The proteins to which glucagon binds are ____.

Match the cytoskeletal structure with the best description. -cytoskeletal reinforcement under the plasma membrane

Match the cytoskeletal structure with the best description. -arranged in a 9+2 arrangement in cilia and flagella

A cell membrane that is selectively permeable ____.