Exam 5: Cell Structure and Internal Compartments

Microtubules are composed of tubulin monomers.

At the most basic level of life, organic compounds are organized into energy-dependent, self-replicating units known as _____.

Using an electron microscope, you notice an organelle that consists of stacks of membranes and appears to be producing vesicles. This organelle is most likely

The word fluid in the term fluid mosaic model refers to the fact that

All of the energy in the food we eat is produced when organelles in plants called ____________ convert the energy in sunlight to chemical energy.

When looking through a light microscope at a plant leaf, you notice small green organelles moving around in the cytoplasm of every cell. What organelle are you most likely seeing?

In eukaryotic cells both the nucleus and mitochondria have double membranes.

The smooth endoplasmic reticulum

The _________ found in eukaryotic cells have cristae.

The movements of wound-healing fibroblasts in your body depend on pseudopodia that can extend and retract, because the microfilaments in them can rapidly change their length.

Which of the following is not a function of the plant vacuole?

Which of the following would you find in the cells of your hand?

Ribosomes are tiny "machines" in the cell that produce

Mitochondria produce most of the energy used in a bacterial cell.

What components of the plasma membrane of an animal cell would you find at its innermost surface, directly exposed to the cytoplasm?

In the chloroplast, pancake-like membranes known as _____ are arranged into stacks of grana.

Which of the following cell types might contain notably more lysosomes than the other cell types described?

The plasma membrane of a cell and the membrane boundaries of organelles such as mitochondria and chloroplasts serve similar functions. What is one of the main functions of the membranes of both cells and organelles?

Which of the following would be the best analogy for the function of the Golgi apparatus?

Which of the following is correctly matched?