Chapter 4 practice quiz

Which of the following statements about ribosomes is true?

Mucleic acids are not found in which of the following structures?

Some proteins contain carbohydrates. These proteins are synthesized by _ and the sugars added in _.

Which of the following organelles is NOT enclosed in two membranes?

The packaging of proteins to be used outside the cell occurs in the

The endomembrane system

Movement of cells in both prokaryotes and eukaryotes is accomplished by which of the following structures?

Which of the following structures occupies the largest volume in a mature plant cell?

where in the cells is the radioactively labeled enzyme lipase performing its intracellular functions?

The __ was the first unifying principle of biology.

Plastids are

Which of the following proteins powers the movement of both cilia and vesicles within a cell?

Though science fiction has produced stories like "The Blob," we do not see very many large single-celled organisms. Why?

Lysosomes are involved in

the extracellular matrix of animal cells

One of the cells reveals no evidence of membrane-enclosed organelles. This cell would be classified as a

Which of the following statements about the nucleus in animal cells is false?

Which of the following structures is directly involved eith the movement of organelles within a cell?

Which of the following organelles is involved in energy conversions?

The cell theory states all of the following except

Nuclear DNA exists as a complex of proteins called __ that condenses into _ during cell division.

DNA strands can be visualized using which of the following?

the presence of __ means that substances must pass through the epithelial cells, rather than in between

Electron microscopes use __ to resolve images, whereas light microscopes use __ to resolve images.

Which of the following statements about mitochondria and chloroplasts is true?

Rough endoplasmic reticulum and smooth endoplasmic reticulum differ

Photosynthesis occurs in the

the proteins that make up the cytoskeleton of bacteria are similar to __ in eukaryotic cells.

Which of the following would be found at top of a centrifugation gradient?

Bathing this pellet that yields metabolic activity, including the production of ATP. One of the contents of this pellet:

The cellular function of the RER is

Prokaryotes

Amoeba proteus- injected with a drug that inhibits the formation of microtubules. What effect does this have on movement

Which of the following organelles are found only in plants?

Cilia and flagella