Question 1
Tendons are strong, rope-like structures that connect skeletal muscle to bone. Which of the following proteins would provide strength to a tendon?
◦ molecular chaperone
◦ albumin
◦ actin
◦ collagen
Question 2
Phospholipids make up most of the lipid part of the cell membrane. Since water exists on both the outside and inside of a cell, which of the following phospholipid arrangements makes the most sense?
◦ two back-to-back phospholipid layers with the polar heads facing out on both sides
◦ a single layer of phospholipids with the polar heads facing outside the cell
◦ a single layer of phospholipids with the polar heads facing inside the cell
◦ two back-to-back phospholipid layers with the non-polar tails facing out on both sides
Cell Energy
Participation of water in biological reactions
Stem cell division and differentiation
Tympanic membrane.
cell line selection
The Distribution of Water on Earth