AP Bio Review

How many valence electrons are in the element Carbon?

• 2 electrons

• 6 electrons

• 4 electrons

• 8 electrons

Tags

NGSS.HS-PS1-1

What happens in a covalent bond?

• Atoms gain or lose electrons and bond through charge.

• Atoms share valence electrons.

• Atoms connect through similar affinities (e.g. both hydrophobic)

What happens in an ionic bond?

• Atoms gain or lose electrons and bond through charge.

• Atoms share valence electrons.

• Atoms connect through similar affinities (e.g. both hydrophobic)

Tags

NGSS.MS-PS1-5

What phase does the crossing over take place?

• Prophase I

• Prophase II

• Metaphase I

• Metaphase II

Tags

NGSS.HS-LS3-2

What phase of interphase does DNA replication occur?

• G₁

• G₂

• S

• It doesn’t occur in interphase

When does crossing over take place?

• Metaphase I

• Metaphase II

• Prophase I

• Prophase II

How many rounds of division in meiosis?

• 0

• 1

• 2

• 3

Tags

NGSS.HS-LS3-2

How many rounds of DNA replication?

• 0

• 1

• 2

• 3

What phase does independent assortment take place?

• Prophase I

• Prophase II

• Metaphase I

• Metaphase II

If parent cell is 2N, what is the ploidy of the daughter cell?

• 0N

• 1N

• 2N

• 3N

Tags

NGSS.HS-LS1-4