HSA Review Lessons 6-9

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A scientist measured the pH of four fluids in an organism. Which fluid is a strong acid?

Sodium ions are found at a lower concentration inside a cell than outside a cell. These ions move from areas of low concentration to areas of high concentration. This process is called

Clostridium tenani is a type of bacteria that produces a poisonous substance that causes tetanus in the human body. The most common form of the condition is characterized by a locked jaw, stiff neck, and stiff muscles. The poisonous substance is ca

A cell is placed in a new solution. There is an 8% concentration of substances inside the cell, and a 12% concentration of substances outside the cell. The cell membrane is not permeable to these substances. Which of these best describes what will

Which of the following processes is required for sexual reproduction?

The cell membrane of red blood cells contain channels through which glucose molecules can pass without the expense of energy. The glucose moves from an area of high concentration to an area of low concentration. This is an example of

The ability to maintain a relatively constant internal temperature is an example of

What is the role of a cell's flagellum?