Exam 3: Cells

DNA and RNA differ in the number of strands they have, the type of sugar they have, and the types of nitrogen bases they have.

Which organelle has a subunit made of RNA?

Both phospholipids and cholesterol are important parts of the cell membrane.

If the messenger RNA code is adenine-uracil-cytosine, the transfer RNA bringing the amino acid would have which code?

If one side of a DNA molecule is adenine-thymine-guanine, what would the messenger RNA nucleotides be if this piece of DNA were transcribed?

The only cells in humans that have flagella are sperm cells.

Which organelle consists of tiny flattened sacs that help process and package chemicals in the cell?

Which structure makes new membranes for the cell?

The cleavage furrow begins to appear during telophase.

Pinocytosis comes from the Greek word meaning "cell eating."

Define or explain pinocytosis and phagocytosis.

Which of the following is not part of the cell?

Diffusion of a substance across a cell membrane is an example of active transport.

Both chromatin and chromosomes are made up of DNA.

The term complementary base pairing refers to the ability of the DNA nucleotide adenine to pair only with the nucleotide cytosine.

The sodium-potassium pump is an example of an active transport mechanism.

Tissue typing uses information

Which organelles can be called the "digestive bags" of the cell?

Match each phase of the cell life cycle to its corresponding description. -The spindle fibers form

Microvilli are small hairlike structures on the outer surface of the cells.