V -A Scientist Finds Seeds of an Unknown Plant on Top

question 23

Multiple Choice

V
-A scientist finds seeds of an unknown plant on top of the soil in a desert. She measures the concentration of two hormones in these seeds. After it rains, she collects more of these seeds, and finds that the concentration of the two hormones has changed. A graph of her results is shown. If the scientist returns to the desert to collect more seeds, a few days later, what should she observe?

• A)The seeds that are still in the desert will be dormant.
• B)The seeds that are still in the desert will be germinating.
• C)The seeds that are still in the desert will be dead.
• D)The seeds that are still in the desert will have increased levels of hormones 1 and 2.

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Definitions:

Structure

The arrangement of atoms within a molecule that determines its shape and chemical properties.

Common Names

Vernacular or traditional names used for chemical compounds, as opposed to their systematic or IUPAC names.

1,4-butanediamine

A chemical compound, an organic diamine, with two amino groups attached to a four-carbon linear chain.

1,5-pentanediamine

An organic compound with the formula C5H14N2, consisting of a five-carbon chain with amino groups at both the first and fifth positions.