Intro, Biochem, Water, Transport, Energy Oh My

If a cell had the following organelles: nucleus, mitochondria, ribosome, and cell membrane. And DID NOT have a chloroplast and cell wall, what kind of organism is the cell found in? 

• Animals only
• Plants only
• Both plants and animals
• Bacteria

The sum of all the chemical reactions in your body?

• organization

• metabolism

• homeostasis

• evolution

Which of the following is an example of how living organisms regulate and maintain homeostasis?

• cells

• levels of organization

• breathing

• reproduction

When a group of organs work together to perform a particular function they create a/an

• organ system
• organism
• tissue
• organ

Attractions between the negative Oxygen atom of one water molecule and the positive Hydrogen atom of another water molecule are called

• Covalent bonds
• Ionic bonds
• Polar bonds
• Hydrogen bonds

A substance with a pH of 6 is called a....

• Strong Base

• Strong Acid

• Weak Acid

• Neutral

Capillary action is....

• adhesion

• cohesion

• change in matter (heat of fusion)

• both adhesion and cohesion

In the diagram which substance belongs in area Z?

• water
• oxygen
• nitrogen
• carbon

Which statement describes all enzymes?

• They control the transport of materials.
• They provide energy for chemical reactions.
• They affect the rate of chemical reactions.
• They absorb oxygen from the environment.

The distortion (change in shape) of enzyme molecules which occurs at high temperatures is known as

• synthesis
• specificity
• replication
• denaturation