Exam 2: Cell Physiology

In muscle cells, the sarcoplasmic reticulum is a storage site for ________.

Use the figure above to answer the corresponding questions. -Which number identifies a structure that utilizes hydrolases to perform its function?

Which of the following does not apply to lysosomes?

ATP synthase

____________________ RNA carries amino acids to the sites of protein synthesis in the cell.

Match the term to its description. a.plasma membrane b.nucleus c.cytoplasm d.cytosol e.organelles f.cytoskeleton -Separates contents of the cell from its surroundings

Oxygen molecules are used in the Krebs cycle and at the end of the ETS.

Which of the following does not occur in the cytosol?

____________________ are organelles that may possibly transport ribosomal subunits out of the nucleus.

Match the term to its description. a.microtubules b.microfilaments c.intermediate filaments -Largest of the cytoskeletal elements

____________________ serves as the final electron acceptor in the electron transport system.

Which of the following is most closely associated with cilia?

Match the term to its description. a.flagella b.cilia c.microvilli -Increase the surface area of the kidney tubules

The bending movements of cilia and flagella

The rough ER synthesizes proteins within their interconnected sacs.

During anaerobic conditions,

The ribosomes of the rough ER synthesize ____________________, whereas its membranous walls contain enzymes essential for the synthesis of ____________________.

__________ refers to programmed cell death, whereas _______ refers to uncontrolled cell death.

Which of the following is not contained within the cytoplasm?

____________________ are the dominant structural and functional components of cilia and flagella.