Exam 2 quiz

Which of the following proteins play a role in transport across the cell membrane?

• Enzymes
• Receptors
• Channel proteins

• Hormones

What molecule is recycled in the citric acid cycle?

• Acetyl-CoA
• Oxaloacetate
• Citrate
• Fumarate

Osmosis involves the movement of ______ from high to low concentrations

• water
• glucose
• salt
• carbon dioxide

The first Law of Thermodynamics?

• Energy cannot be created or destroyed

• Heat is a form of matter.
• Energy can be created or destroyed.
• Work is independent of energy changes.

Tags

NGSS.HS-PS3-1

How do you measure energy?

• Energy is measured in meters

• Energy is measured in calories

• Energy is measured in liters

• Energy is measured in grams

What method of living cells use to remove energy from highly energized electrons?

• Transpiration
• Fermentation
• electron transport chains (ETC)

• Photosynthesis

What do you call the energy needed to initiate a chemical reaction? (rxn)

• Activation energy
• Catalytic energy
• Potential energy
• Thermal energy

In a hypotonic solution, a cell should

• lose water

• gain water

• increase in density
• remain the same size

a phospholipid (s)

• has two tails

• has a hydrophilic head

• forms cell membranes

• all the above

the capacity or ability to do work is known as_____

• force
• power
• mass
• energy