Which statement about the plasma membrane is true?

Which substance forms the bulk of the plasma membrane?

Which of the following is one of the roles served by proteins in the plasma membrane?

Threadlike structures composed of DNA and protein that fill a cell's nucleus are called:

What important task occurs in the nucleolus?

What is the network of membranous canals and curving sacs that extend throughout the cytoplasm called?

How does the structure of the endoplasmic reticulum serve its purpose?

Which cellular structure helps sweep particles along a path?

Based on their function, where would you expect microvilli to be located in the body?

Water pressure that develops in a solution as a result of osmosis is called

Based on your understanding of osmolarity and tonicity, which type of intravenous fluid would you expect most patients to receive?

What force drives the process of filtration in the body’s capillaries?

Which body process makes use of the sodium-potassium pump?

Which statement most accurately describes the action of the sodium-potassium pump?

Facilitated diffusion depends on which structure?

Nucleotides consist of one of four types of:

What determines genetic code?

RNA differs from DNA in that it:

Chromosomes form during which phase of mitosis?

The chromosomes of a cell divide during which phase of mitosis?

A cell’s shape is determined by its ____________________.

The gel-like substance that surrounds the nucleus of the cell and contains organelles is called ____________________.

The ____________________ is the cell’s control center.

The cell’s protein-producing structures are called ____________________.

The difference in concentration of a substance from one point to another is called a ____________________.

Filtration occurs because of differences in ____________________ on either side of a membrane.

The ____________________ molecule stores all of a cell’s genetic information.

The building blocks of DNA are millions of pairs of ____________________.

The process whereby RNA makes a copy of a strand of DNA is called ____________________.

The process whereby a cell splits into two identical daughter cells is called ____________________.

The shell closest to the nucleus can hold ___ electrons.

Each energy shell after the first can hold up to ______ electrons.

"Ionic" refers to a type of chemical ______ that results in charged particles.

Which four elements make up more than 96% of the human body?

What differentiates one element from another?

What distinguishes elements from compounds?

Where are protons located?

These are found moving around the nucleus in concentric clouds.

NH3 molecule

Positively charged atomic particle

Substance that enhances the rate of chemical reaction.

Stored form of sugar in the human body

Primary source of energy used by most of the body's cells

Having oppositely-charged ends

Atom with a negative charge

COOH molecule

Substances that donate or remove H+ ions.

Atom with a positive charge.

This kind of energy travels in waves:

Electrons moving around a nucleus is an example of this type of energy:

This is the term for stored energy:

This is the creation of a complex substance from simpler substances:

This is the term for the movement of charged particles:

Regulate the passage of molecules into and out of the nucleus.

The supporting framework of the cell.

Threadlike structures composed of DNA and protein.

Known as cellular garbage disposals.

Processes proteins and packages them for export to other parts of the cell.

The center of the cell.

Cell's "powerhouses."

Double-layered membrane around the nucleus.

Play a role in cell division.