A Flask Containing Photosynthetic Green Algae and a Control Flask

question 11

Multiple Choice

A flask containing photosynthetic green algae and a control flask containing only water are exposed to a cycle of 12 hours of light and 12 hours of darkness. Which of the following statements best describes how the relative dissolved oxygen concentration in the flask with algae will compare to the control flask?

• A) It will always be higher in the control.
• B) It will always be lower in the control.
• C) It will be lower in the control in the light, but the same in the dark.
• D) It will be lower in the control in the light, but higher in the control in the dark.

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Definitions:

Accounts Receivable

Outstanding dues from customers for goods or services a company has already delivered.

Cash Equivalents

Short-term, highly liquid investments that are readily convertible to known amounts of cash and are subject to an insignificant risk of changes in value.

Cash Ratio

A liquidity metric that measures a company's ability to pay off its short-term liabilities with its cash and cash equivalents.

PE Ratio

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