7.2 Biology Test
You will NOT find a cell wall in which of these kinda of organisms?
animals
The cell membrane contains channels and pumps that help move materials from one side to the other. What are these channels and pumps made of?
proteins
Which of the following is a function of the cell membrane?
regulates the movement of materials into and out of the cell
Which structure makes proteins using coded instructions that come from the nucleus?
ribosome
Which of the following is a function of the nucleus?
stores DNA
the primary function of the cell wall is to
support and protect the cell
Which of the following is a function of the cytoskeleton?
helps a cell keep its shape
Which sequence correctly traces the path of a protein in the cell?
Ribosome, endoplasmic, reticulum, Golgi apparatus
Which of the following statements about the nucleus in NOT true?
The nucleus is the site of protein assembly
Unlike the cell membrane, the cell wall is
a rigid structure
Which of the following structures serves as the cell's boundary from its environment?
cell membrane
Which organelle would you expect to find in plant cells but not animal cells?
chloroplast
Which organelle breaks down organelles that are no longer useful?
lysosome
Which structures are involved in cell movement?
microtubules and microfilaments
Which of the following is NOT found in the nucleus?
mitochondria
Which organelles are involved in energy conversion?
mitochondria and chloroplasts
Which organelle converts the chemical energy stored in food into compounds that are more convenient for the cell to use?
mitochondrion
