Cell Concept

Question 1

As an organizational until, calls must

Answer 1

1. Obtain energy from environment.
2. Select what gets in and out
3. Sense and respond to changes in environment
4. Organize biochemistry
5. Decide and use information from DNA
6. Most send and receive messages from other cells
7. Most cells replicate

Question 2

What are the parts of cell theory?

Answer 2

1. All known life is made of cells
2. The cell is the structural and functional unit of life
3. All cells come from pre-existing cells by cell division
4. Cells contain heredity information passed on by cell division
5. All cells have basically the same chemical composition
6. All energy flow occurs within the cell

Question 3

Who are he important players in creating cell concept?

Answer 3

1. Jansen brothers
2. Antoine Von Leuvenhook
3. Robert Hook
4. Schlieden and Schwaan
5. Virchow and Pasteur
6. Brown

Question 4

T or F. The Jansen brothers developed the microscope

Answer 4

False. They developed the magnifying glass

Question 5

T or F. Leevunhook created the microscope

Answer 5

True.

Question 6

Schliedan and Schwaan said all cells gave a nucleus

Answer 6

False. They created the first two parts of the cell theory.

Question 7

Who names a cell “cell”?

Answer 7

Robert Hooke

Question 8

Virchow and Pasteur came up with all of the cell theory.

Answer 8

False. They only developed the third part stating that there is no spontaneous generation

Question 9

Who developed he idea of cells and their nucleus?

Answer 9

Brown

Question 10

What are the three organizational plans of life?

Answer 10

Prokaryote, eukaryotes and namobes

Question 11

What is the difference between a gram positive prokaryote and a gram negative prokaryote?

Answer 11

In the extra cellular make up, the gram negative had a thin lining vs the thick cell wall of gram positive.

Question 12

What are the 7 characteristics of a prokaryote?

Answer 12

1. No true nucleus
2. No independent internal membranes
3. Circular DNA
4. 70 small ribosomes
5. No mitosis
6. No cytoskeleton
7. No hi stones bound to DNA

Question 13

What are the two major body plans of eukaryotes?

Answer 13

Those with a flexible ECM and this me with a less flexible ECM

Question 14

Eukaryotes with a flexible ECM are ________, those with a less flexible ECM are _______

Answer 14

Animal like, plant/fungal

Question 15

What is the organization of the cytosol?

Answer 15

Microtubule, actin filaments and intermediate filament which is the cytoskeleton