Biology 131: Cells Exams 1 & 2

In an "ionic bond"

The origin of life on Earth required the presence of:

Energetics (energy) of living cells refers to:

Co-transport refers to the process where...

How many electrons can be in the first energy shell of a stable atom?

What was domesticated from Brassica oleracea, a species of wild mustard?

Active transport can also be termed...

The phospholipid bilayer of cell membranes can be described as:

What does the prefix "bio" mean in the word biology?

Which of the following structures are found in plant cells, but not animal cells?

Enzymes (organic catalysts) represent which of the following groups?

Evidence for the endosymbiotic theory is:

Which of the following is an example of unsaturated fat?

The atomic number of sodium is 11, sodium (Na) ions have a +1 charge. How many electrons are in a sodium ion?

Which of the following are part of the Endomembrane System of Cells?

Which type of bond is the most important in organic molecules?

Which macromolecules do living systems require?

What type of amino acid side chains would you expect to find on the surface of a protein embedded in the cell membrane?

The basic structural and physiological unit of all living organisms is the:

The interior of the lipid bilayer of cell membranes is:

Pasteur's experiment with the swan-necked flask rejected the spontaneous generation theory by demonstrating that:

Which of the following is known as the powerhouse of the cell?

A red blood cell, and a plant cell are both placed in distilled water. The blood cell will...while the plant cell will..

Compounds that can diffuse through a lipid bilayer are typically:

According to the endosymbiotic theory, mitochondria arose from

A dog breeder mates a male and female champion show dog in hopes of getting a puppy that will grow be same, an example:

The general chemical formula for carbohydrates includes the atoms:

Prisons are a result of what folding improperly?

The function of mRNA is to...

Which of the following organelles relies on the exocytosis to complete its function?

Which of the following doesn't have a cell?

The first step in the evolution of living cells was:

A red blood cell shrinks in size when placed in what kind of solution relative to the cell?

Molecules that are both attracted to water and repel water are called:

The Na+/K+ pump performs which of the following functions?

DNA molecules consists of:

What is a cell?

Which of the following is the best function of the ribosome?

The structure of the plasma membrane is best described by what model?

Most of the mass of an atom is in the:

DNA is stored in which of the following cell organelles?

A symbiont refers to two organisms that?

Oral rehydration salts rehydrate cells better than water because:

Which of the following organelles is responsible for transporting and packaging proteins and lipids?

All living organisms share similar:

Cells prevent internal conditions from reaching equilibrium, by utilizing what?

Which of the following is the best function of the mitochondria?

Which of the following is found in prokaryotes but not eukaryotes?

Which statement about enzymes is false?

Which of the following is the accepted sequence of early life on Earth?

A neutral atom with an atomic number of 6 has:

The shape of a folded protein is determined by:

In biological molecules, carbon always forms ... covalent bonds

Which of the following is true of lipids?

The "backbone" of a nucleic acid molecule is made of...

When ions move through a protein ion channel in a membrane, the resulting form of energy is what?

What is the first step in the scientific method?

The basic structure of the plasma membrane is...

The "Great Oxidation" refers to a period in Earth's history when:

Movement/mobility of proteins in the plasma membrane is affected by:

Your experimental results do not agree with your hypothesis; the scientific method requires you to:

Which of the following is the best function of the chloroplast?

Which characteristic is shared by prokaryotes and eukaryotes

The principal force driving movement in diffusion is the...

Cells are typically small because:

Amino acids can be classified by...

Maltose, which is composed of two glucose units can be classified as a:

Which of the following are characteristics of water?

We consider something to be living if it has the capacity for:

Oral rehydration salts can be easily made by dissolving what in boiling water?

Which of the following is found in eukaryotes but not prokaryotes?

Which of the following are involved in virtually every reaction that takes place in a cell?

The definition of hydrophilic is:

The number of protons in a neutral atom equals the number of:

The nucleus if most atoms is made up of:

In cellular metabolism, anabolic and catabolic reactions are linked with energy from...

Active transport can create a gradient across a cell membrane, resulting in what form of energy?

The "Cell Theory" states that:

Compounds moved across a membrane against the concentration gradient (active transport) require:

Diffusion of water is referred to as:

The monomers that makeup carbohydrate polymers (such as starch) are called:

Which element is not very abundant in the Earth's crust, but is the basis of organic molecules?

What is the structure of saturated fats?

Catabolic pathways result in what of the molecules?

Alpha helix , beta pleated sheet and random coils all describe a protein's...

Which of the following is the best function of the plasma membrane?

Which plasma membrane component can be found on its surface or embedded in the membrane structure?

Which of the following is not a difference between DNA and RNA?

Catalysts (such as enzymes) are substances that:

Ice does not sink to the bottom of a pond or lake because:

When water evaporates (liquid to gas) what type of bonds are broken?

Diffusion is a process where:

What is an ion?

Energy is stored long-term in what bonds to be used short-termed to perform work for a molecule?

A ... protein has become nonfunctional due to the loss of its three-dimensional structure.

Some amino acids face inwards forming the alpha helix of a protein because they are:

In cystic fibrosis, which of the following is true?

Compounds that cannot pass through a lipid bilayer typically require...

Before photosynthesis, what was very little in Earths atmosphere?

Aerobic bacteria took advantage of high levels of oxygen in the atmosphere to produce more what and better competitors?