Ch. 2 and Ch. 11 Review

Front

Nucleic acids

Back

Macromolecules that form when long chains of molecules called nucleotides join together

Front

Which of the following is a characteristic of prokaryotic cells?

• They have a nucleus
• They are multicellular organisms
• Genetic material floats freely in the cytoplasm
• They have specialized functions

Back

Genetic material floats freely in the cytoplasm

Front

What is the function of mitochondria?

Back

To release energy made during chemical reactions

Front

What is the role of ribosomes in a cell?

Back

To be involved in the production of proteins

Front

semipermeable

Back

A membrane that only allows certain substances to enter or leave a cell

Front

What is the function of the Golgi apparatus?

Back

To prepare proteins for their specific jobs or function

Front

What is the main difference between rough ER and smooth ER?

Back

Rough ER has ribosomes on its surface, smooth ER does not

Front

What is the function of lysosomes?

Back

To help break down and recycle cellular components

Front

What is the process called when water molecules diffuse through a membrane?

Back

Osmosis

Front

Which type of proteins form pores through the membrane to carry atomic particles?

Back

Channel proteins