1st Semester Exam Corrections (2020)

Which of the following units are repeatedly joined together to form a strand of DNA?

• amino acids
• nucleotides
• fatty acids
• polysaccharides

What is the purpose of DNA replication?

• Cut the DNA 
• Make more cells
• Apoptosis
• Duplicate the DNA

order of replication

• 3, 4, 2, 1
• 3, 1, 4, 2
• 2, 1, 4, 3
• 3, 4, 1, 2

Tags

NGSS.HS-LS3-2

What are the nucleotides made of?

• Sugar, Phosphate, nitrogen base
• Phosphate, Adenine, nitrogen base
• Thymine, Adenine, Cytomine
• Phosphate, Nitrogen, Adenine

What determines the code, or information, of a DNA molecule?

• the shape (structure) of the nitrogenous bases

• the order (sequence) of the nitrogenous bases

• the color of the nitrogenous bases

• the frequency (number) of nitrogenous bases

Tags

NGSS.HS-LS1-1

Which is Metaphase?

• A
• E
• C
• F

Tags

NGSS.HS-LS1-4

What substances can cause changes in the DNA sequence that can ultimately result in cancer?

• dangerous

• unfortunate

• interferon

• mutagens

Uncontrolled cell division is stopped and regulated by...

• checkpoints in the cell cycle

• oncogenes

• white blood cells

• regulation enzymes

Which phase comes NEXT?

• prophase
• metaphase
• anaphase
• telophase

Tags

NGSS.HS-LS1-4

Which step needs to happen next for this cell to complete cell division

• Cytokinesis

• Anaphase

• Telophase

• Prophase