Midterm Review

What are the products (outputs) of cell respiration?

• water, carbon dioxide, & ATP

• glucose and water

• water, oxygen, & ATP

• carbon dioxide & oxygen

What are the reactants (inputs) of cell respiration?

• water & carbon dioxide

• glucose and water

• glucose & oxygen

• carbon dioxide & oxygen

What organelle does aerobic cellular respiration?

• mitochondria

• chloroplast

• nucleus

• vacuole

_______ regulates what enters and leaves a cell.  

• Cell Membrane
• Nucleus
• Mitochondria
• Cytoplasm

Which type of passive transport uses proteins to help molecules pass through the membrane?

• Diffusion
• Facilitated diffusion
• Osmosis
• All of the above

 An animal cell placed in a hypertonic (salty) solution will

• Stay the same
• Shrink- get smaller
• Swell- get bigger

The human body maintains a temperature of around 98.6 degrees at all times. Enzymes are involved in almost every chemical reaction in the body. Which of the following describes the connection between these two statements? 

• Enzymes function best at a specific temperature.
• The body needs to be warm to prevent hypothermia.
  
• The body is kept relatively warm to prevent too much enzyme action. 
• There is no connection between the two statements. 

Which of the following contains the genetic code for protein synthesis?

• carbohydrate
• lipid
• protein
• nucleic acid

Which of the following decreases the activation energy necessary to initiate the chemical change within the body?

• nucleotides
• enzymes
• amino acids
• fatty acids

A species form that supports an entire ecosystem.

• Keystone Species

• Herbivores

• Umbrella Species

• Predators