Beckers World of the Cell Study Set 1

In which of the following organelles would you expect to first find a protein destined to be secreted from a cell?

The endoplasmic reticulum is a site for

Comparing cells synthesizing secretory proteins and cells secreting steroid hormones,the cells synthesizing the steroid hormones have

Which of the following molecules forms the coat during receptor-mediated endocytosis-coated pit formation?

The continuous release of mucus by the epithelial cells lining the respiratory tract is an example of

When a membrane protein is radioactively labeled during synthesis and followed through the various organelles in the secretory pathway,all the radioactivity is concentrated in the cis-Golgi apparatus six hours after the protein synthesis.This suggests that the protein

The vesicles that are anchored to the plasma membrane at a nerve cell presynaptic site are specialized for

Which of the following statements is false regarding phagocytosis?

In receptor-mediated endocytosis,each of the following is a fate for the receptors and/or vesicle contents except

Each of the following is a lysosomal storage disease caused by a deficiency in lysosomal enzymes except

Each of the following is part of the core oligosaccharide side chain in the ER except

Peroxisomes

Which of the following organelles has the ability to catabolize alkanes found in oil and petroleum products?

A protein that is N-glycosylated is expected to be

Each of the following is an endoplasmic reticulum function except

Total internal reflection (TIRF)microscopy is best used to visualize fluorescently labeled protein activity

Which of the following is associated with extracellular digestion caused by release of the lysosomes enzymes into the environment?

Each of the following organelles is part of the endomembrane system except

Each of the following is true about botulinum toxin (Botox)except

You have isolated two fractions containing similar-sized vesicles by centrifugation.You suspect one fraction contains lysosomes and the other contains peroxisomes.To confirm that a fraction contains peroxisomes,you would assay for which of the following enzymes?