Why Are the Strands of DNA Said to Be Complementary

question 52

Multiple Choice

Why are the strands of DNA said to be complementary to each other?

• A)The sugar-phosphate chains are running in opposite directions.
• B)The sugar-phosphate chains of each strand are identical.
• C)Both strands can have any of four possible bases attached.
• D)All the bases of one strand are paired up with their complementary bases on the other strand.

Understand how to navigate the Windows operating system to access and manage files.

Understand the file management and navigation features in Windows.

Identify the properties and functionalities of different file formats and objects in Windows.

Recognize the methods and importance of organizing files and folders.

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Definitions:

Study Group

A collection of individuals brought together to participate in a research study or to collectively study a particular subject.

Null Hypothesis

A statement used in statistics that proposes there is no significant difference or relationship between specified populations, any observed difference being due to sampling or experimental error.

Scientific Hypothesis

A testable prediction about the relationship between two or more variables, forming the basis for an experiment or observational study.

Observations

The act of watching carefully with attention to details for the purpose of gathering data.