Exam 3: Cell Structure and Function

The plasma membrane is

The period of interphase when the proteins are made that will be needed for cell division is the

The chromosomes attach to spindle fibers by their

Tightly-coiled,rod-like structures of DNA and proteins are called

The three-base sequence on mRNA that matches the triplet of DNA is a(n)

What happens to the chromosome number as a result of mitosis?

Which of the following types of RNA are NOT matched correctly with their function?

Each strand of a replicated double helix of DNA is called a

Small structures that compartmentalize the cell for the various cellular activities are

The process of meiosis produces

The re-forming of the nuclear membrane around chromosomes occurs during

Which process does not require a concentration gradient?

The inner folds of membrane in mitochondria,where many of the reactions of aerobic cellular respiration occur,are called

When mRNA molecules are formed,they are complementary to DNA with the exception that

The process of "cell drinking" is known as phagocytosis.

Which organelle is involved in processing,packaging,and secretion of proteins and lipids?

__________ help keep the lungs clean.

A cell that has crenated has

A disease involving a missing or inactive lysosomal enzyme in nerve cells is called

Secretion of substances made by a cell would occur by the process of