Question

Which form of acid does a osteoclast not produce

1. Carbonic
2. Latic
3. Sulfuric
4. H+ ions which coupled with extracellular Cl- form hcl

The presence of numerous mitochondria in red (type 1) muscle fibers, is an adaptation for

1. Fast response
2. Aerobic metabolism
3. Rapid utilization of the high amount of glycogen stored in the cells
4. Anaerobic metabolism

The inward diffusion of Na+ due to a concentration gradient is used to power the active extrusion of Ca++ in which of the following processes?

1. Co-transport or secondary active transport
2. Simple diffusion
3. Active transport

Two components a and b separated are by a semi permeable membrane compartment A has 4 particles (2 K+, 1 NA+, 1 glucose) and compartment B has 5 particles (1 K+, 1 Na+, 3 glucose). Which way will the water move?

1. Water will move from chamber A to chamber B
2. Water cannot pass through a semi permeable membrane
3. Water will move from Chamber A to chamber A

Which of the following is a large and primarily nonprotein molecule that is associated with the extracellular matrix?

1. Collagen
2. Reticular fiber
3. Proteoglycan

Answer 1

C
B
A
A
C