STAAR Biology

Cancer is defined as the

• uncontrolled division of mutated cells

• normal division of cells

• normal DNA replication

• abnormal ATP synthesis

Tags

NGSS.HS-LS1-4

NGSS.HS-LS3-2

Based off this punnett square, what fraction of the offspring will have wrinkled, green seeds?

• 9/16

• 3/16

• 1/16

• 16/16

Tags

NGSS.HS-LS3-2

Nitrogenous bases are joined by which type of bond?

• polar bonds

• ionic bonds

• covalent bonds

• hydrogen bonds

Tags

NGSS.HS-LS1-1

In what phase of the cell cycle does DNA replication take place?

• G1

• S

• G2

• M

What biomolecule do enzymes belong to? 

• Carbohydrate

• Lipid

• Nucleic Acid

• Protein

Tags

NGSS.HS-LS1-1

What is the function of a nucleic acid?

• Stores genetic information

• Stores energy

• Quick source of energy

• Builds structures

Tags

NGSS.HS-LS1-1

What happens to an enzyme when it is denatured?

• Activation energy is lowered.

• It becomes stronger.

• It loses its shape.

• Activation energy is raised.

Based on the graph, what temperature does this enzyme work best? 

• 15 C

• 40 C

• 30 C

• 47 C

An enzyme speeds up a reaction by

• lowering the activation energy.

• raising the activation energy.

• releasing energy.

• absorbing energy.

Tags

NGSS.HS-PS1-4

What are the REACTANTS for PHOTOSYNTHESIS?

• ATP

• Carbon dioxide

• Glucose

• Sunlight

• Water

Tags

NGSS.HS-LS1-5