AP Bio Chapter 4 Test

Which cellular organelle is required for photosynthesis in eukaryotic cells?

Chloroplast

What is the most likely pathway taken by a newly synthesized protein that will be secreted by a cell?

ER-Golgi-vesicles that fuse with plasma membrane

Which one of the following structures is directly involved in the passage of electrical signals between cells as, for example, in the vertebrate heart?

Gap junctions

The maximum size of a cell is limited by _____.

Its need for enough surface area to make exchanges with its environment

The rough endoplasmic reticulum can be considered to be in which general category of organelle?

Manufacturing

Which structure-function pair is mismatched?

Microtubule; muscle contraction

When elongated, tube-shaped cells from the lining of the intestine are treated with a certain chemical, the cells sag and become rounded. The internal structures disrupted by this chemical are probably _____.

Microtubulues

Cyanide binds to at least one molecule involved in producing ATP. If a cell is exposed to cyanide, most of the cyanide will be found within the

Mitochondria

Which structure is common to plant and animal cells?

Mitochondrion

The general function of ________ is the breakdown of substances.

Peroxisomes

Dye injected into a plant cell might be able to enter an adjacent cell through __________.

Plasmodesma

Large numbers of ribosomes are present in cells that specialize in producing which of the following molecules?

Proteins

A magnified picture of the detailed architecture of cell surfaces can best be obtained from a

Scanning electron microscope

Lysosomes are derived from _____ and function in _____.

The Golgi apparatus and rough endoplasmic reticulum.... digestion of worn-out organelles

Your intestine is lined with individual cells. No fluids leak between these cells from the gut into your body. Why?

The intestinal cells are bound together by tight junctions

What is the function of the nucleolus?

To manufacture ribosomes