Biology Bootcamp STAAR

What amino acid sequence is encoded in the partial DNA segment?

• Serine – Threonine – Tyrosine

• Serine – Serine – Tyrosine

• Serine – Threonine – Methionine

• Serine – Alanine – Methionine

Tags

B.6(C)

Which diagram demonstrates how crossing-over contributes to genetic variety during meiosis?

• 
• 
• 
• 

Tags

NGSS.HS-LS3-2

A sequence of DNA undergoes the following change:

TAC ACA CAA ACG GGG → TAC ACA GGA ACG GGG

This mutation will cause the amino acid​ (a)   to be replaced by .​ ​ (b)  

• Valine

• Proline

• Cysteine

• Threonine

• Glutamine

• Glycine

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-2

When a lion eats a zebra and then uses the energy from the zebra to run, the lion's body converts -

• chemical energy to mechanical energy

• electrical energy to chemical energy

• chemical energy to light energy

• mechanical energy to chemical energy

Answer explanation

When a lion eats a zebra, it converts the chemical energy stored in the zebra's body into mechanical energy to run. This process highlights the transformation of energy types, making 'chemical energy to mechanical energy' the correct choice.

Tags

NGSS.HS-LS1-7

• A

• B

• C

• D

• A

• B

• C

• D

• F

• G

• H

• J

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

• A

• B

• C

• D

Tags

NGSS.HS-LS1-1

• F

• G

• H

• J

• A

• B

• C

• D

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

NGSS.HS-LS3-2