Exam 3: Cells and How They Work

In what portion of the cell is the majority of DNA isolated? ​

The cell membrane mix of lipids and proteins is referred to as a(n)____. ​

What organelle inactivates toxins? ​

Glycolysis reactions involve ____. ​

Describe the structure of a mitochondria and relate to ATP production.

Endocytosis and exocytosis move large molecules or particles across the membrane using ____________________. ​

The diffusion of water across a membrane is known as ____. ​

What major factor limits cell size? ​

A nuclear envelope has four of the following characteristics. Which is the exception? ​

Which structure gives rise to microtubules? ​

Which cytoskeletal element anchors the proteins actin and myosin to strengthen the cytosol? ​

What portion of the cell contains microtubules and microfilaments? ​

The term eukaryotic means ____. ​

In places where the public sanitation is poor, people run the risk of getting ____. ​

A chromosome ____. ​

In the mitochondria pyruvate molecules are converted into ____________________ molecules, which can enter the Krebs cycle reactions. ​

A red blood cell is placed in a solution. After a period of time, the cells has shrunk to half its original size. Which of the following is true? ​

Two solutions A and B are separated by a membrane, which is permeable to water but not salts. Solution A is a 2% NaCl solution, while solution B is a 3% NaCl solution. Which of the following will occur? ​

During glycolysis a single glucose molecule is converted into two ____________________ molecules.

Scientists believe that mitochondria may have evolved from bacteria because ____. ​