Cell Questions

Use the figure above to match the letter with the organelle it is pointing to.The task is to match the lettered items with the correct numbered items. Appearing below is a list of lettered items. Following that is a list of numbered items. Each numbered item is followed by a drop-down. Select the letter in the drop down that best matches the numbered item with the lettered alternatives. a. Golgi b. cytoplasm c. mitochondrion d. nucleus e. endoplasmic reticulum

1. A - C 2. B - B 3. C - D 4. D - E 5. E - A

1. prokaryotic cells 2. eukaryotic cells

1. prokaryotic cells- 3.5 billion years ago 2. eukaryotic cells - 2 billion years ago

What is cytoplasm? a. It is the fluid interior of cells. b. It is the collection of organelles in a eukaryotic cell. c. It is the fluid interior of plant cells only. d. It is another name for the cell membrane.

It is the fluid interior of cells.

Which technology was essential for the development of the cell theory? a. antiseptics b. microscopes c. telescopes d. microwaves

Microscopes

Tiny structures that carry out cell functions are collectively called:

Organelles

Who was the first person to see cells under the microscope and give them a name?

Robert Hooke

Unlike eukaryotes, prokaryotes do not have: a. a membrane-bound nucleus b. DNA c. a cell wall d. cytoplasm

a membrane-bound nucleus

Some features of the nucleus include:

a. It contains the DNA b. It is surrounded by an envelope that regulates the passage of material in and out.

The Golgi apparatus:

a. receives proteins from the ER and directs them to their appropriate location.

Which of the following describes diffusion?

b. It describes the movement of molecules down their concentration gradient (from an area of high concentration to low concentration). d. It does not require energy. e. It can continue until equilibrium is reached.

What do the mitochondria do?

b. They make ATP to provide energy for the cell.

Proteins and phospholipids are built by this organelle.

c. endoplasmic reticulum

What does the cell theory state? a. That all cells have only one nucleus. b. That plants are not made of cells. c. That bacteria are not cellular. d. Living organisms are all multicellular. e. That all living things are made of cells.

e. That all living things are made of cells.

Cholesterol is a large lipid that must be transported into a cell. There is not much cholesterol inside the cell compared to the extracellular environment. Which mechanism do you think accomplishes this transport process?

endocytosis

Select the correct organization of items, from simplest and smallest (first) to largest and most complex (last).

molecule; organelle; cell; tissue; organ

You have more __________ cells living in you and on you than __________ cells.

more prokaryotic cells than eukaryotic cells

Oxygen is a small, nonpolar molecule that needs to be moved into cells. There is not much oxygen inside the cell compared to the extracellular environment.

simple diffusion (diffusion without assistance from protein transporters)