Question

​Which of the following techniques are followed when preparing a culture?

a.
​The plate is stored in an incubator to allow optimal growth.

b.
​The plate is stored bottom up to prevent condensation from dripping into the colonies.

c.
​Any mixed cultures must be separated into subcultures until only one species is present.

d.
​The sample is spread on the media in a specific pattern that divides the plate into four quadrants.​

Answer 1

Explanation:

A graph shows time (minutes), numbered 15 to 135 on the horizontal axis, and distance from home (miles) labeled 1 to 10 on the vertical axis. The line shows an increase to 8 miles at 45 minutes, constant, and decrease at 90 minutes.

Consider the graph of Miriam's bike ride to answer the questions.

How many hours did Miriam stop to rest?

How many hours did it take Miriam to bike the initial 8 miles?