Biology Quiz

What do protein channels do in a cell?

• Transport substances across the cell membrane

• Store genetic information

• Produce energy for the cell

• Synthesize proteins

Plants are unable to move, for this reason, they have a large _______ to help maintain osmotic homeostasis.

• Central vacuole

• Chloroplast

• Mitochondria

• Nucleus

Diffusion stops when:

• When equilibrium is reached

• When the temperature is too high

• When there is no concentration gradient

• When the particles are too large

Cells in liver or heart muscles have a lot of which type of organelle?

• Mitochondria

• Ribosomes

• Lysosomes

• Golgi apparatus

Tags

NGSS.HS-LS1-7

Plants moving water from their roots to their leaves is an example of which water property?

• Capillary action

• Evaporation

• Condensation

• Precipitation

Tags

NGSS.HS-ESS2-5

Based on the bonds, which molecule is pictured?

• Saturated fat

• Unsaturated fat

• Trans fat

• Polyunsaturated fat

Based on the bonds, which molecule is pictured?

• Saturated fat

• Unsaturated fat

• Trans fat

• Polyunsaturated fat

Why are certain enzymes able to catalyze specific reactions?

• Because they are proteins

• Due to their specific active sites

• They are not specific

• They require cofactors

Cell membranes allow certain things into the cell and keep certain things out. For this reason we say cell membranes are ______________________.

• Semi permeable

• Impermeable

• Rigid

• Non-selective

Tags

NGSS.HS-LS2-3

Which cell organelle is responsible for constructing proteins?

• ribosomes

• mitochondria

• nucleus

• golgi apparatus

Tags

NGSS.HS-LS1-1