Exam 3: The Cellular Level of Organization

Figure 3-1 The Anatomy of a Representative Cell Use Figure 3-1 to answer the following questions: -Which structure organizes the mitotic spindle during cell division?

Figure 3-1 The Anatomy of a Representative Cell Use Figure 3-1 to answer the following questions: -The structure labeled "1" permits the cell to

Recognition keeps the immune response from attacking ________,while still enabling it to recognize and destroy invading pathogens.

Generally,cells with a very brief interphase and lacking a G₀ phase

The control center for cellular operations is the

Microtubules have which of the following functions?

A cell duplicates its chromosomes during the ________ phase.

A patient suffers blood loss and is given IV fluids that contain an impermeable carbohydrate called dextran which serves to

Cell membranes are said to be ________ because they allow some substances to pass but not others.

Figure 3-2 The Plasmalemma Use Figure 3-2 to answer the following questions: -Which structure has a "gate" to control transport?

Cilia and flagella contain 9 pairs of ________ surrounding a central pair.

Which organelle is most prominent in cells that make large amounts of protein?

"Spikes" form on a blood cell when it is placed in a(n)________ solution.

Match the organelle (1-4)with the correct description (5-8): 1. mitochondrion 5. intracellular transport 2) centriole 6. liquid in cell 3) endoplasmic reticulum 7. manufactures cell energy 4) cytosol 8. separates chromosomes during mitosis

The smallest living unit within the human body is

Microfilaments

The plasma membrane is composed of

During kidney dialysis,a person's blood is passed through a bath that contains several ions and molecules.The blood is separated from the dialysis fluid by a membrane that allows water,small ions,and small molecules to pass,but does not allow large proteins or blood cells to pass.What should the composition of dialysis fluid be for it to remove urea (a small molecule)without changing the blood volume (removing water from the blood)?

Which of the following consists of a network of intracellular membranes with attached ribosomes?

The anticodon for the triplet UCA is