Exam 3: Cells

The movement of molecules from an area of lesser concentration to an area of greater concentration is called ____________________.

The cell organelle that synthesizes carbohydrates and secretes cell products is the:

The time between mitotic divisions,when the cell's chromosomes duplicate themselves,is called ____________________.

The process of meiosis in the ovaries is called ____________________.

The small intestine absorbs water by the process of:

Lipid-soluble materials may diffuse through a cell membrane because of the presence of ____________________.

The cell-division process that with two divisions produces four cells is ____________________.

The movement of molecules from an area of greater concentration to an area of lesser concentration is called:

Some human cells have motile cilia,which:

In mitosis,the pairs of chromatids line up on the equator of the cell during ____________________.

The cell organelles that sweep materials across a surface are the:

The cells of the small intestine absorb amino acids by the process of ____________________.

Which statement is NOT true of mitosis and meiosis?

Tissue fluid is formed by the process of:

The transport of materials through a membrane with the help of carrier enzymes is called:

In mitosis,the spindle fibers contract and pull the sets of chromosomes during ____________________.

The sodium pumps of nerve cells rely on the process of:

Which statement is NOT true of protein synthesis?

The organic molecule in cell membranes that provides stability is:

Which of the following statements are true of the nucleus of a cell? (Read carefully and select all of the correct statements.)