Mi 2.2

What is the purpose of Polymerase Chain Reaction (PCR) in the process of sequencing DNA?

• To separate DNA fragments by size

• To synthesize copies of template DNA

• To change the structure of template DNA

• To terminate the elongation of a DNA strand

Larger DNA fragments move through a gel _____________ smaller DNA fragments.

• faster than

• at the same rate as

• slower than

Place the steps of DNA Sequencing below into their correct order.

• A, B, C, D

• B, C, A, D

• B, A, C, D

• D, B, C, A

Write the correct sequence that matches this chromatogram.

Competition for food, light, and space is most severe in:

• closely related species growing in the same area or niche

• distantly related species growing in different habitats

• distantly related species growing in the same habitats

• closely related species growing in different habitats

Tags

NGSS.MS-LS2-1

Show all your work on your answer document. (Average speed = total distance / total time)

• 6.25 km/min

• 21 m/s

• 0.16 km/min

• 100 m/s

Show all your work on your answer document. (Average speed = total distance / total time)

• 5 km/min

• 5 m/s

• 0.2 km/min

• 0.2 m/s

Tags

NGSS.MS-PS3-1

Show all your work on your answer document. (Average speed = total distance / total time)

• 2 km/min

• 20 m/s

• 0.5 km/min

• 200 m/s

Tags

NGSS.MS-PS3-1

Show all your work on your answer document. (Average speed = total distance / total time)

• 1.6 km/min

• 1.6 m/s

• 0.625 km/min

• 0.625 m/s

Tags

NGSS.MS-PS3-1

Show all your work on your answer document.

• 4.5 m/s

• 0.22 m/s

• 175 m/s

• 11250 m/s