1 / 1 point
A scientist wants to determine whether a new chemical she isolated can cure a certain disease. To test her
hypothesis that the new chemical cures the disease more effectively than current treatments, she infects
mice with the disease and gi
1 / 1 point
Water molecules have one oxygen atom that is more electronegative than the two hydrogen atoms bound to
it. As a result, which type of bonding holds water molecules together?
non-polar covalent bonding
polar covalent bonding
1 / 1 point
Where is most of the DNA found in the cell?
Inside which organelle are secreted proteins usually synthesized?
Which if the followi
4 / 4 points
What sort of fluids can be found in the pores of rock?
all of the above
none of the above
In high velocity water, there is a multidirectional swirling movement called _ flow:
Proteins are the chief building blocks of life
Structure- hair fingernails feathers horns cartilage tendons
Protection- help fight invading microorganisms, coagulate blood
Regulation- control cell activity, constitute some hormones
The most basic unit of any organism is the cell- the smallest unit of life that can function independently
and perform all the necessary functions of life
The term cell was first used in the mid- 1600s by Robert Hooke, and English scientist known
Study Guide for Bio Test
Definition of a Cell- The most basic unit of any organism is the cell, the smallest unit of life that can
function independently and perform all necessary functions of life
Cell Theory- The facts that 1. All living organisms are m
Nucleic Acids store information on how to build and run the body
The two types of nucleic acids include DNA Deoxyribonucleic Acid and RNA Ribonucleic Acid
Play central roles in direction production of proteins in living organisms
Cells are connected and communicate with each other
Connections between cells hold them in place and enable them to communicate with each other
Cells adhere to other cells in a variety of ways, involving numerous types of protein and glycoprotein
A paradigm shift- change in the dominant view
Biology Notes- Atoms
It is an atoms electrons that determine whether and how it bonds with other atoms
Electron shell: the area that an electron stays within outside of the nucleus- not so random
The first ele
1. An experiment
a. Is an activity designed to
test the validity of a
b. Often involves
c. Should be repeated
d. Can involve collection of
e. All of the above
2. Relative to protons, electrons
Crossing the Membrane- Molecules move across membranes in several ways
Passive transport is the spontaneous diffusion of molecules across a membrane
To function properly cells must take in food and/ or other necessary materials and must move out both
Every Cell is bordered by a plasma membrane- a two layered membrane that holds the contents of a cell
in place and regulates what enters and leaves the cell
Plasma membranes are thin and flexible, with its surface filled with pores, outcrop
Chapter 21 Study Guide Quiz
Biology: Concepts and Connections, 6e (Campbell) Chapter 21
Nutrition and Digestion Multiple-Choice Questions
1) Humpback whales A) use a bubble net system to capture krill
for food. B) catch and eat salmon and seals throughout
Biology: Concepts and Connections, 6e (Campbell) Chapter 22
Gas Exchange Multiple-Choice Questions
1) High-flying birds are able to obtain enough oxygen even
when the air is very thin because A) they have more efficient
lungs than other vertebrates. B) th
1) Humpback whales A) use a bubble net system to capture krill for food. B) catch and
eat salmon and seals throughout the year. C) use baleen to blow bubbles for capturing
krill. D) eat nothing but kelp. E) use baleen to catch salmon. Answer: A
2) Which o
Chapters 7-12, 37
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers
The creation of offspring carrying genetic information by just a single parent is called
PRACTICE EXAM 3
1. The creation of offspring carrying genetic information from a single parent is
A) asexual reproduction.
B) sexual reproduction.
C) a life cycle.
E) spontaneous generation.
2. Which of the following s
1. The creation of genetically identical offspring by a single parent, without the participation of sperm and egg, is
a. asexual reproduction.
b. sexual reproduction.
d. spontaneous generation.
2. The need for