Unit 3 Review

___gated ion channels only open in response to a chemical that bonds to the channel protein.

A cellular junction between neighboring plant cells is called ___________.

The Na-K pump transports _____ their concentration gradients in a process called_______

The cell membrane

Which of the following is supporting evidence for the endosymbiotic theory?

A cell with numerous mitochondria would do which of the following?

___gated ion channel opens when there is a change in charge across the plasma membrane

Which of the following organelles is found only in animal cells?

White blood cells (macrophages) can engulfing bacteria by a process called______________.

The major components of the cell membrane are

What do facilitated diffusion and active transport have in common?

The cell theory of biology holds that

Which of the following is not an organelle?

In eukaroyes nuclear DNA is found in __________ fragments.

Which of the following structures is the most inclusive?

Which of the following statements is true about prokaryotic and eukaryotic cells?

Organelle sorts, cuts, splices and packages newly formed protiens into membrane-bound vesicles?

The simplest cells are the:

Plant cells placed in a hypotonic environment

The current theory of the structure of the plasma membrane is best described by the

Which statement is true of facilitated diffusion?

A protien that is bound to a carbohydrate is a called a ____________.

A protien made by the rough ER, which organelle would the protein be transported to next?

__ allow eukaryotes to have compartmentalized function, leading to higher levels of structural.

Which is the best definition of diffusion?

A peroxisome and a lysosome are simliar in that

Which molecules is the primary component of the plasma membrane that causes semipermeablity?

Which of the following is a characteristic of chloroplast but not mitochondria?

What structure is found within bacterial cells?

The smooth endoplasmic reticulum has ribosomes and rough endoplasmic reticulum does not.

You see a cell wall, cell membrane, nucleus, chloroplast, and mitochondria. Which type of cell?

Freshwater protozoans react to a/an ___________ environment by removing water through ________.

Which of the following gives rise to both lysosomes and vesicles

What characteristics do simple diffusion and facilitated diffusion share?

When the cell membrane engulfs fluid droplets it is called

Both the nucleus and mitochondria are surrounded by a two layer membrane.

Which of the following is not involved in protein synthesis (production)?

A cellular junction that would allow animal cells to coordinate function is

Which of the following correctly describes the structural organization of the cell membrane?

Which of the following examples is a specific case of active transport?

Prokaryotic DNA is circular and called a ______________.

Cell products are secreted from the cell through

Sperm cells have _____________that allows movement.

In the cell membrane, glycolipids and glycoproteins face inward, proteins always face outward.

As cells increase in size, cell ______________ increases more rapidly than cell surface area.

All organisms possess a genetic system that is based on

What characteristics distinguishes eukaryotic cells from other cell types?

Ribosomes are used in the process of _______________.

All cells have

The cells that line our respiratory tract can have short hair-like projections called