Chapter 5

Which type of transport across a cell membrane requires energy?

active transport

Which of the following are unicellular?

bacteria

Which of the following do not consist of eukaryotic cells?

bacteria

What is the protective coating outside the cell wall of some bacteria?

capsule

Where is the site for photosynthesis to take place?

chloroplast

The genetic material within the nucleus of a cell, consisting of DNA, RNA, and associated proteins, is collectively known as?

chromatin

What did Robert Hooke study under a microscope to come up with the word "cell?"

cork

What is the thick fluid inside cells that contains organelles?

cytoplasm

A system of fibers within a bacterium that provides structures and serves as a track to move substances around the cell is the *blank*?

cytoskeleton

Cells in a colony work together, but cannot live independently from one another.

false

What is it known as when a solution is more concentrated than the cytoplasm of a cell?

hypertonic

What is it known as when a solution is less concentrated than the cytoplasm of a cell?

hypotonic

When cells and the solution surrounding them contain equal amounts of solute, the solution is said to be *blank*.

isotonic

This is an organelle containing digestive enzymes.

lysosome

What is the powerhouse of the cell?

mitochondria

The genetic material of a bacterium is located within its *blank*?

nucleoid

Where are ribosomes manufactured?

nucleolus

A medical lab finds that a particular species of bacteria grows best at temperatures from 16-20 degrees Celsius. This range of temperatures is known as that bacteria's *blank*?

optimal range

Which type of transport does not involve chemical energy?

passive transport

Who named the central part of the cell the nucleus?

Robert Brown

A cellular organelle that "reads" RNA and assembles amino acids into protein is called the *blank*?

ribosome

What happens to a cell if it is exposed to a temperature outside of its range of tolerance?

the cell quickly dies

Both eukaryotic and prokaryotic cells contain organelles.

true

Cell theory is a model that explains the way cells work.

true

Cells are always in some sort of solution.

true