Exam 4: Cell Structure and Function

Which cellular organelle is the most prominent?

Which is a true statement about ribosomes?

Most bacteria live in a solution that is hypotonic relative to the cytoplasm of the bacteria.This means that the bacterial cell is constantly taking in water.The cell wall of a bacterium is a peptidoglycan polymer that is tightly cross-linked.This would therefore function to

Which of the following features are found in a bacterial cell? Select all that apply.

What organelle would be found in increased quantities in the liver cells of a person who abuses alcohol and / or other drugs on a regular basis?

All cells have a cell wall that regulates the passage of molecules into and out of the cell.

Each time the water in a cell freezes slowly,long sharp crystals spear through the membrane structures of the cell.However,in the frozen state,virtually no chemical reactions occur.The most likely explanation for the bad taste of meat that has "freezer burn" from repeated freezing is the destruction of

All of the following are true statements about eukaryotic cells except:

Which of the following help direct the movement of materials or organelles throughout the cell?

If a researcher was interested in slowing down the movement of amoebas by disrupting their cell membranes,which protein filaments should she be studying?

According to the endosymbiosis theory ________ were engulfed by larger eukaryotic cells.

Which of the following gives rise to both lysosomes and vesicles?

What structures enable the vesicles from the Golgi apparatus to fuse with the cell membrane?

All cells have these two characteristics:

Mitochondria are thought to be derived from aerobic bacteria that became part of the eukaryotic cell through endosymbiosis.

During cellular movement which of the following filaments will be the ones that are responsible for attaching and pulling the other filaments along?

All of the following are associated with the mitochondria except:

________ are to ribosomes as lipids are to ________.

According to the endosymbiotic theory,mitochondria and chloroplasts evolved from aerobic and photosynthetic bacteria that were engulfed and "took up" residence in a host prokaryotic cell.Use your knowledge of how plant and animal cells differ to answer the following questions: A.Did the ancestral plant cell engulf both types of bacteria? Cite evidence to justify your answer. B.Did the ancestral animal cell engulf both types of bacteria? Cite evidence to justify your answer. C.If the answer to either A or B is yes,then which type of bacteria would have been engulfed first? Cite evidence to justify your answer.

Which of the following statements about bacterial anatomy are correct? Select all that apply. Which of the following are major functions of the plasma membrane? Select all that apply.