BJU Biology Chapter 5

Semipermeable membranes allow particles in a solution to pass through in both directions.

If a cell is placed in hypotonic solution it will

This type of feedback causes the rate of a process to speed up.

Both eukaryotic and prokaryotic cells contain organelles.

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

Which theory supports: All living things are made of cells.

Which one of the following belongs in both plant and animal cells?

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

Which structure is labeled #9

Homeostasis is the process by which a cell maintains stable conditions in its external environment.

Rough endoplasmic reticulum is rough because it is studded with

Osmosis produces equal solution concentrations on both sides of a semipermeable membrane.

Which of the following are unicellular?

The inner portion of the lipid bilayer in a cell membrane is hydrophobic.

Organisms that consist of only once cell are called

A cellular organelle that "reads" RNA and assembles amino acids into proteins is the

Which of the following is not a factor that determines whether a substance can enter a cell by passive transport?

This type of feedback causes the rate of a process to slow down.

What cells lack organelles surrounded by membranes?

If bacteria grow best at a certain range of temperatures, this range is known as the bacteria's

What structure is #5

Central vacuoles are responsible for maintaining _______________, the force of which keeps a cell rigid.

Which of the following do not consist of eukaryotic cells?

The Golgi apparatus receives substances form the endoplasmic reticulum and packages those substances into

Which theory supports: cells come only from other cells.

Which type of transport across a cell membrane requires energy?

Which structure is labeled #6

Lysosomes are a type of vacuole that contain

Which theory is the current accepted model of biology?

Which theory supports: Life comes from things that aren't alive.

The genetic material of a bacterium is located within its

Nuclei are found only in

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

Photosynthesis happens in the grana of chloroplasts.

Which theory supports: Eggs and sperm contain miniature people that grow to adulthood.

Chloroplasts and leucoplasts are examples of a type of organelle known as a(n)

What structure is labeled #14

Diffusion and osmosis are different words that identify the same process.

If a cell is placed in hypertonic solution it will

An often slimy coating that surrounds the cell wall of a bacterium is known as the

A system of fibers within a bacterium that provides structure and serves as a track to move substances around the cell

If a cell is placed in an isotonic solution what will happen?

Which kind of substances generally do not enter cells through passive transport?

What structures are labeled #1 and #2 respectively?

Passive transport can move particles from regions of low concentration to regions of high concentration.

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

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