CHEM 3 Proteins

(1 min) To keep working correctly, each protein needs to keep its specific shape. The following conditions might break a protein EXCEPT?

• Heating

• Too much salt

• Room temperature

• Too little water

Answer explanation

(1 min) An important job that proteins do is providing structure in the body such as supports for the following EXCEPT:

• muscles

• bones

• skin

• gastric juices

(1 min) A disease also known as the brittle bone disease.

• Osteoporosis

• Osteomyelitis

• Osteonecrosis

• osteogenesis imperfecta

(30sec) A type of protein that helps move other molecules around your body.

• Structure Protein

• Transport Protein

• Enzymes

• Channels

(1 min) A protein found in your red blood cells that carries oxygen from your lungs to every cell in your body.

• Hemoglobin

• Leukocytes

• Thrombocytes

• Erythrocytes

(1 min) These are like little machines that build bigger molecules from smaller blocks, or break bigger molecules down into smaller parts.

• Structural proteins

• Transport proteins

• Enzymes

• Channels

(30sec) An enzyme made by your saliva glands to help break starch down into sugar.

• Sucrase

• Lactase

• Amylase

• Maltase

(30sec) When you put a cracker on your tongue, your mouth will water, and it will taste____.

• sweet

• salty

• neutral

• bitter

(30sec) These type of proteins act like a doorway with a security guard posted next to it.

• Structural proteins

• Transport proteins

• Enzymes

• Channels

(1 min) True or False: Some channel proteins are open all the time and some can be opened and closed depending on signals sent from the cell or received from the environment.

• True

• False