Exam 3: Cells: the Living Units

Peroxisomes ________.

A red blood cell would swell if its surrounding solution were ________.

Aerobic cellular respiration occurs in the ________.

Which of the following is NOT a function of lysosomes?

Water may move through membrane pores constructed by transmembrane proteins called ________.

Match the following: -Allows ions and small molecules to pass through from one cell to another.

Cancerous cells can divide so rapidly that they will often produce a glycocalyx that is different than the other cells in the body.This may result in ________.

What are nucleolar organizer regions?

Introns represent a genome scrap yard that provides DNA segments for genome evolution and a variety of small RNA molecules.

Dividing cells must pass through the phases of mitosis the following order: Prophase,Metaphase,Anaphase,and Telophase.

The lungs deliver a regular supply of oxygen to the blood,which is in turn circulated to most all the cells of the body.At the same time oxygen is consumed during aerobic cellular respiration within these cells.This implies that ________.

Enzymes and proteins needed for cell division are synthesizes and put into place during G₂ phase.

Match the following: -Dense spherical bodies in the nucleus that are the synthesis site for ribosomal RNA.

What are lipid rafts? What are their functions?

Compare a gap junction to a channel protein,how are they alike and how are the different?

If a tRNA had an AGC anticodon,it could attach to a(n)________ mRNA codon.

Follow the pathway that a typical protein,destined for exocytosis will make as it passes from the ribosome,into the rough endoplasmic reticulum.In your answer be sure to describe role that ribosomes play,and the events that take place in the Rough Endoplasmic reticulum.

Match the following: -Abundant in tissues subjected to great mechanical stress.

________ is the division of the cytoplasmic mass into two parts.

Beta cells in the pancreas produce and secrete the protein hormone insulin.You would expect to see a relatively large amount of which organelles in these cells?