Exam 3: Cell Structure

Which cell components are found in BOTH plant and animal cells?  

Which organelle has enzymes that break down fatty acids,amino acids,and toxins?  

Which cellular component is considered an organelle?  

Plasmodesmata are most similar to ____.

The organelle that pinches off portions of its membrane to form a vesicle used for storage or transport is the ____.

The double membrane of mitochondria contains the ATP-making machinery; therefore,this is where ____ would be found.

Match the following cytoskeletal filaments and their associated motor proteins with the appropriate description. -motor protein that associates with microfilaments to generate muscle contraction

The endoplasmic reticulum is an extension of ____.

Although some bacteria have membranes around their DNA,we do not call these structures nuclei because they lack ____.

Because the smooth ER does not contain ____,it cannot produce proteins.

Which organelle is enclosed by a double membrane?  

Examine the following figure.Match each letter of the figure with the appropriate cell structure. -DNA

The following are organelles found in animal cells.Match the organelle with the appropriate description.An answer may be used more than once. -The cellular digestion and disposal of biological molecules occurs inside this organelle.

Cardiac muscle undergoes fast,synchronous contractions stimulated by ion flow.Which type of cellular junction is essential for achieving this action in cardiac muscle?  

A molecular analysis of plasma or nuclear membranes would reveal the presence of _____.

Match the following cytoskeletal filaments and their associated motor proteins with the appropriate description. -motor protein that interacts with microtubules to create movement in flagella and cilia

If the size of a cell doubles,what will be its surface area to volume ratio?  

If a protein or molecule is taken up by the cell and must be digested,to which cellular structure is it sent?  

Ribosomes are ____.

Most of the active functions of plasma membranes are carried out by ____.