Biology - Units 3 and 4 Review

Multiple Choice

__________ energy from the sun is changed into __________ energy during photosynthesis

• Chemical energy to Solar energy

• Solar energy to Chemical energy

• Thermal energy to Solar energy

• Electrical energy to Chemical energy

Multiple Choice

Another name for the Ingredients of a reaction, or what enters into a reaction is:

• Equations

• Products

• Reactants

• Jawn

Multiple Select

Which TWO of the following are reactants for the process of photosynthesis?

• Water

• Oxygen

• Starch

• Carbon dioxide

• Air

Multiple Choice

In which organelle does Cellular Respiration occur in?

• Chloroplast

• E.R.

• Nucleus

• Mitochondria

Multiple Choice

What is the main purpose of Cellular Respiration?

• to use up Oxygen in the cell

• to make CO2

• to convert energy from sugar into ATP

• so the Mitochondria feels important in the cell

Multiple Select

(may be more than one answer)

Select ALL true statements about Cellular Respiration

• ..uses energy in glucose (C₆H₁₂O₆) to make ATP

• ..produces (makes)Carbon Dioxide (CO₂)

• ..produces (makes) Oxygen (O₂)

• ..produces (makes) water (H₂O)

Multiple Choice

Negative Feedback Loops:

• amplify the stimulus

• reverse/cancel the stimulus

• are initiated during childbirth

• are found only in plants

Multiple Choice

When you get cut, your skin cells release hormones that signal platelets to come and stop the bleeding. Platelets then release more hormones that signal even more platelets to help stop bleeding. The hormone signals continue until the cut is closed.

• Positive Feedback Response
• Negative Feedback Loop 

Multiple Choice

Failure to maintain homeostasis could result in:

• Lack of internal balance

• Eventual death

• Difficulty carrying on metabolism 

• All of the above

Multiple Choice

The function of the plasma membrane is....

• to regulate what enters and leaves the cell.
• fight bacteria and viruses that enter the cell.
• provide rigid support and protection to the cell.
• make sure each cell can move

Multiple Choice

Hydrophilic means...

• water-loving
• water-fearing
• nonpolar
• lipid soluble

Multiple Choice

Most of the cell membrane is made of...

• Lipids
• Carbohydrates
• Proteins
• Nucleic acids

Multiple Choice

What is the difference between active and passive transport?

• Active does not need energy and passive uses ATP (energy)
• Active uses ATP (energy) and passive does not need energy
• Active stores transport proteins and passive releases 
• Active uses hormones and passive does not 

Multiple Choice

Osmosis is the movement of _____ across a membrane.

• food
• energy
• oxygen
• water

Multiple Choice

What type of transport is illustrated?

• facilitated diffusion
• active transport
• diffusion
• osmosis