Bio Midterm CH8 Review

Viruses are NOT made up of cells. Therefore, are NOT considered to be living things.

• T

• F

Prokaryotic and eukaryotic cells are surrounded by a thin, flexible barrier called a cell membrane.

• T

• F

The assembly of ribosomes begins in a small dense structure called the vacuole.

• T

• F

Answer explanation

It begins in the nucleolous!

Ribosomes that make proteins are found in the smooth endoplasmic reticulum

• T

• F

Plants do NOT have a mitochondria.

• T

• F

Answer explanation

PLANTS HAVE MITOCHONDRIA

ANIMALS HAVE MITOCHONDRIA

Water, carbon dioxide and some other substances can pass through the cell membrane.

• T

• F

Moving materials from an area of low concentration of an area of high concentration (against the concentration gradient) requires active transport.

• T

• F

What advance technology made the discovery of cells possible?

• the particle accelerator 

• the ultraviolet light 

• the microscope

Which of the following is NOT a principle of the cell theory?

• Cells are the basic units of life

• 
  Very few cells are able to reproduce

• All cells are produced from existing cells 

Answer explanation

All cells reproduce!

Mitosis and Meiosis

Which of the following enclose their DNA in a nucleus?

• prokaryotes

• bacteria

• eukaryotes